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main ... 4418786b75

Author SHA1 Message Date
Christian Nieves
4418786b75 stuff 2022-10-12 22:09:57 +00:00
416 changed files with 32250 additions and 42688 deletions
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2
.gitignore vendored
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packer_compiled.lua
tmux/.tmux/resurrect/

49
alacritty/.alacritty.toml
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[font]
size = 14
normal = { family = "CommitMono Nerd Font" }
[window]
option_as_alt = "OnlyLeft"
decorations = "None"
# moonfly theme for Alacritty
#
# Upstream: github.com/bluz71/vim-moonfly-colors
[colors]
draw_bold_text_with_bright_colors = true
# Default colors
[colors.primary]
background = '#1e2024'
foreground = '#a1a3a8'
# Normal colors
[colors.normal]
black = '#27272a'
blue = '#5e7fdd'
cyan = '#97c3fa'
green = '#90b99f'
magenta = '#e29eca'
red = '#d45d9e'
white = '#c9c7cd'
yellow = '#f0ea2d'
# Bright colors
[colors.bright]
black = '#353539'
blue = '#a7b3dd'
cyan = '#6de6fc'
green = '#a8fc8d'
magenta = '#eb4cce'
red = '#ca72de'
white = '#c9c7cd'
yellow = '#f7f48d'
[colors.cursor]
cursor = "#8e8e8e"
text = "#080808"
[colors.selection]
background = "#b2ceee"
text = "#080808"

1
config/.config/.gitignore vendored
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StardewValley

9
config/.config/.mono/keypairs/[1][98f3a7e3-0d6e-f432-8a18-e1144b53633f][-1].xml
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<KeyPair>
<Properties>
<Provider Type="1" />
<Container Name="98f3a7e3-0d6e-f432-8a18-e1144b53633f" />
</Properties>
<KeyValue>
<RSAKeyValue><Modulus>l97jvAiPd88/KZ5NjMGFg+EaAC9rk50nPVJPlX+cGX6irHt+haXvMJ+b/Lh8JFtSw01cf+TJJwNmO0Hzdv0tF35CmXuOkeJAXVa0JNoGLaXxtdqO2ZxD8Lt8OYj/ueAX/zKiWmet3DP4gT1qTXn/mON+hFB6sZ2f2MLwadm7joCTPPsxZxAluxjk+XGajBFKRp3/u8CYRu5C98K7QUU0RwSBiccFUrUytqBz4Dsn8a1YakwcApmCl+sJF7RW6obf</Modulus><Exponent>AQAB</Exponent><P>sJS6yQDEMEdlmtWW8mPx7ZEEu/Zn8ahkJoAas7AToNNUaunZv+PpDS9K0dQO6sPOG/Dvwgm9AtHYrswUIRI0ts84PNvvt4yJfDXVUOFgnCuv6v71yhbxlRkbWGdBeyB3</P><Q>3C0NJwOEZ1yE8piwHm1n3fEaB5tRBYFyEZ309OjBPmbUiaq1Cx/lV2LzEFrQ0RSNpWhijBk8nObwzoBDi1gkFmen9i5STX5nHQiwUnuCZfhShxOvL/yMD7R8qZ/fRo7Z</Q><DP>hciZX7KR8ZYWV+HdVFX+tKP7t0Dv7bpL7pN+J4eOx3l1au80B9tv9YpQIHuOtbWWEbtQm21vY5SDm6OI2KmHgL2s+QcVLrZub8oFjRrEbG35AY0bwXnynKkB+893YAbv</DP><DQ>ctw5yUmHcBiO7rQC5My0a88UgjVfbhzaciBSItWtwi0I4Yyhh90q2oyvOq/10a0EO+8ZwfaEbWH46/FzyyS/JsUKlV4S54RyrG3U9iKioymJfBgjw0fflW3VvvO9GeT5</DQ><InverseQ>U0UtjaLfCsBcJcSLlZWX9Ziovt9iFjF8JnpN+lk2C8Uz4I4y62xMZmazEf5G/liEsL1SKNFdSWfRyZdzS7e6/tcNhc72bfSCldXRB2mrwfl2YRw3bVdSMoKUBqdpWVs6</InverseQ><D>KttNLLzFr6ueSWJQxA3AXaziJ3c6RleswRM/PhLavB8OTNo0pAZlbzU7UZ/F+ISE4HQuTDEFyqqc6M/9onBjjyOkK6fAXc6ZFz3mbBfScoNHqGfas/HzAjYGIj5U2+EutHDAUhFmfGiiZ1DmwrFcyI5X9Q5foPwXw+uDOUXVU1TtnSzJanvZEaPB90Bvc179gEIXJr26Dbl7ZGGQTGtOUBsFEnMGMh5/tcby8d5PWcFJr1iYDKG1N93xEYrlo7Th</D></RSAKeyValue>
</KeyValue>
</KeyPair>

17564
config/.config/Microsoft\VisualStudio Services/8.0/Cache/00000000-0000-0000-0000-000000000000/LocationServiceData.config
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config/.config/Microsoft\VisualStudio Services/8.0/Cache/2dba3f49-86e9-f22a-b81f-b604f401cfbe/00000038-0000-8888-8000-000000000000/LocationServiceData.config
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4
config/.config/Microsoft\VisualStudio Services/8.0/Cache/LocationServerMap.xml
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<LocationServerMappings>
<ServerMapping location="https://app.vssps.visualstudio.com/" guid="a5ca35eb-148e-4ccd-bbb3-d31576d75958" owner="951917ac-a960-4999-8464-e3f0aa25b381" />
<ServerMapping location="https://api.vstsusers.visualstudio.com/" guid="2dba3f49-86e9-f22a-b81f-b604f401cfbe" owner="00000038-0000-8888-8000-000000000000" />
</LocationServerMappings>

17564
config/.config/Microsoft\VisualStudio Services/8.0/Cache/a5ca35eb-148e-4ccd-bbb3-d31576d75958/951917ac-a960-4999-8464-e3f0aa25b381/LocationServiceData.config
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6
config/.config/NuGet/NuGet.Config
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<?xml version="1.0" encoding="utf-8"?>
<configuration>
<packageSources>
<add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
</packageSources>
</configuration>

11
config/.config/gtk-2.0/gtkfilechooser.ini
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[Filechooser Settings]
LocationMode=path-bar
ShowHidden=false
ShowSizeColumn=true
GeometryX=540
GeometryY=351
GeometryWidth=720
GeometryHeight=540
SortColumn=name
SortOrder=ascending
StartupMode=recent

1
config/.config/iterm2/AppSupport
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/Users/cnieves/Library/Application Support/iTerm2

4
config/.config/nvim/after/ftplugin/bzl.vim
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set expandtab
set tabstop=4
set softtabstop=4
set shiftwidth=4

6
config/.config/nvim/after/ftplugin/gdscript.vim
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set autoindent
set nowrap
set tabstop=4
set softtabstop=4
set shiftwidth=4
set expandtab

7
config/.config/nvim/after/ftplugin/go.vim
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set tabstop=2
set shiftwidth=2
set softtabstop=2
set expandtab
set textwidth=80
set colorcolumn=80

3
config/.config/nvim/after/ftplugin/lua.vim
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set tabstop=2
set softtabstop=2
set shiftwidth=2

30
config/.config/nvim/init.lua
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vim.cmd("source " .. vim.env.HOME .. "/.vimrc")
vim.g.maplocalleader = ","
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
if not vim.loop.fs_stat(lazypath) then
vim.fn.system({
"git",
"clone",
"--filter=blob:none",
"https://github.com/folke/lazy.nvim.git",
lazypath,
})
end
vim.opt.rtp:prepend(lazypath)
vim.opt.rtp:prepend(vim.env.HOME .. "/.vim")
local luahome = vim.env.HOME .. "/.vim/lua"
vim.opt.rtp:prepend(luahome)
package.path = package.path .. ";" .. vim.env.HOME .. "/.vim/lua/?.lua"
for _, file in ipairs(vim.fn.readdir(luahome .. "/config", [[v:val =~ '\.lua$']])) do
require("config" .. "." .. file:gsub("%.lua$", ""))
end
require("lazy").setup({
-- this entry tells lazy.nvim to load the list of of *.lua files from plugins/
import = "plugins",
})
vim.opt.undodir = vim.fn.expand("$HOME") .. "/.undo/"

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config/.config/nvim/init.vim Normal file
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source ~/.vimrc

3
config/.config/nvim/lazy-lock.json
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{
"lazy.nvim": { "branch": "main", "commit": "6c3bda4aca61a13a9c63f1c1d1b16b9d3be90d7a" }
}

14
config/.config/nvim/lua/code_action_utils.lua Normal file
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local M = {}
local lsp_util = vim.lsp.util
function M.code_action_listener()
local context = { diagnostics = vim.lsp.diagnostic.get_line_diagnostics() }
local params = lsp_util.make_range_params()
params.context = context
vim.lsp.buf_request(0, 'textDocument/codeAction', params, function(err, _, result)
-- do something with result - e.g. check if empty and show some indication such as a sign
end)
end
return M

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config/.config/nvim/lua/diagnostics.lua Normal file
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-- Diagnostics
require("trouble").setup({
position = "bottom", -- position of the list can be: bottom, top, left, right
height = 10, -- height of the trouble list when position is top or bottom
width = 50, -- width of the list when position is left or right
icons = true, -- use devicons for filenames
mode = "workspace_diagnostics", -- "workspace_diagnostics", "document_diagnostics", "quickfix", "lsp_references", "loclist"
fold_open = "", -- icon used for open folds
fold_closed = "", -- icon used for closed folds
group = true, -- group results by file
padding = true, -- add an extra new line on top of the list
action_keys = { -- key mappings for actions in the trouble list
-- map to {} to remove a mapping, for example:
-- close = {},
close = "q", -- close the list
cancel = "<esc>", -- cancel the preview and get back to your last window / buffer / cursor
refresh = "r", -- manually refresh
jump = { "<cr>", "<tab>" }, -- jump to the diagnostic or open / close folds
open_split = { "<c-x>" }, -- open buffer in new split
open_vsplit = { "<c-v>" }, -- open buffer in new vsplit
open_tab = { "<c-t>" }, -- open buffer in new tab
jump_close = { "o" }, -- jump to the diagnostic and close the list
toggle_mode = "m", -- toggle between "workspace" and "document" diagnostics mode
toggle_preview = "P", -- toggle auto_preview
hover = "L", -- opens a small popup with the full multiline message
preview = "p", -- preview the diagnostic location
close_folds = { "zM", "zm" }, -- close all folds
open_folds = { "zR", "zr" }, -- open all folds
toggle_fold = { "zA", "za" }, -- toggle fold of current file
previous = "k", -- preview item
next = "j", -- next item
},
indent_lines = true, -- add an indent guide below the fold icons
auto_open = false, -- automatically open the list when you have diagnostics
auto_close = true, -- automatically close the list when you have no diagnostics
auto_preview = true, -- automatically preview the location of the diagnostic. <esc> to close preview and go back to last window
auto_fold = false, -- automatically fold a file trouble list at creation
auto_jump = { "lsp_definitions" }, -- for the given modes, automatically jump if there is only a single result
signs = {
-- icons / text used for a diagnostic
error = "",
warning = "",
hint = "",
information = "",
other = "﫠",
},
use_diagnostic_signs = false, -- enabling this will use the signs defined in your lsp client
})
-- Mappings
local opts = { noremap = true, silent = true }
vim.api.nvim_set_keymap("n", "gr", "<Cmd>Trouble lsp_references<CR>", opts)
vim.api.nvim_set_keymap("n", "<Leader>xx", "<Cmd>Trouble<CR>", opts)
vim.api.nvim_set_keymap("n", "<Leader>xw", "<Cmd>Trouble workspace_diagnostics<CR>", opts)
vim.api.nvim_set_keymap("n", "<Leader>xd", "<Cmd>Trouble document_diagnostics<CR>", opts)
vim.api.nvim_set_keymap("n", "<Leader>xl", "<Cmd>Trouble loclist<CR>", opts)
vim.api.nvim_set_keymap("n", "<Leader>xq", "<Cmd>Trouble quickfix<CR>", opts)
vim.api.nvim_set_keymap("n", "[g", "<cmd>lua vim.diagnostic.goto_prev()<CR>", opts)
vim.api.nvim_set_keymap("n", "]g", "<cmd>lua vim.diagnostic.goto_next()<CR>", opts)

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config/.config/nvim/lua/lsp.lua Normal file
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-- 1. Configure CiderLSP
local nvim_lsp = require("lspconfig")
local configs = require("lspconfig.configs")
configs.ciderlsp = {
default_config = {
cmd = { "/google/bin/releases/cider/ciderlsp/ciderlsp", "--tooltag=nvim-lsp", "--noforward_sync_responses", "--enable_semantic_tokens", "--relay_mode=true", "--hub_addr=blade:languageservices-staging" ,"--enable_document_highlight"},
-- cmd = {'/google/bin/releases/cider/ciderlsp/ciderlsp', '--forward_sync_responses', '--enable_document_highlight'};
filetypes = { "c", "cpp", "java", "kotlin", "proto", "textproto", "go", "python", "bzl" },
root_dir = nvim_lsp.util.root_pattern("BUILD"),
settings = {},
},
}
local has_words_before = function()
local line, col = unpack(vim.api.nvim_win_get_cursor(0))
return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
end
-- 2. Configure CMP
vim.opt.completeopt = { "menu", "menuone", "noselect" }
-- Don't show the dumb matching stuff
vim.opt.shortmess:append("c")
local lspkind = require("lspkind")
lspkind.init()
local cmp = require("cmp")
cmp.setup({
mapping = {
["<C-d>"] = cmp.mapping.scroll_docs(-4),
["<C-u>"] = cmp.mapping.scroll_docs(4),
["<C-e>"] = cmp.mapping.close(),
["<C-Space>"] = cmp.mapping(cmp.mapping.complete(), { "i", "c" }),
["<C-m>"] = cmp.mapping.confirm({ select = true }),
["<CR>"] = cmp.mapping.confirm({ select = true }),
["<Tab>"] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_next_item()
elseif vim.fn["vsnip#available"](1) == 1 then
feedkey("<Plug>(vsnip-expand-or-jump)", "")
elseif has_words_before() then
cmp.complete()
else
fallback() -- The fallback function sends a already mapped key. In this case, it's probably `<Tab>`.
end
end, { "i", "s" }),
["<S-Tab>"] = cmp.mapping(function()
if cmp.visible() then
cmp.select_prev_item()
elseif vim.fn["vsnip#jumpable"](-1) == 1 then
feedkey("<Plug>(vsnip-jump-prev)", "")
end
end, { "i", "s" }),
["<Up>"] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_prev_item()
elseif vim.fn["vsnip#available"](1) == 1 then
feedkey("<Plug>(vsnip-jump-prev)", "")
else
fallback() -- The fallback function sends a already mapped key. In this case, it's probably `<Tab>`.
end
end),
["<Down>"] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_next_item()
elseif vim.fn["vsnip#available"](1) == 1 then
feedkey("<Plug>(vsnip-expand-or-jump)", "")
else
fallback() -- The fallback function sends a already mapped key. In this case, it's probably `<Tab>`.
end
end),
},
sources = {
{ name = "nvim_lua" },
{ name = "nvim_lsp" },
{ name = "path" },
{ name = "vim_vsnip" },
{ name = 'nvim_ciderlsp', priority = 9 },
{ name = "buffer", keyword_length = 5 },
},
sorting = {
comparators = {
cmp.config.compare.offset,
cmp.config.compare.exact,
cmp.config.compare.score,
function(entry1, entry2)
local _, entry1_under = entry1.completion_item.label:find("^_+")
local _, entry2_under = entry2.completion_item.label:find("^_+")
entry1_under = entry1_under or 0
entry2_under = entry2_under or 0
if entry1_under > entry2_under then
return false
elseif entry1_under < entry2_under then
return true
end
end,
cmp.config.compare.kind,
cmp.config.compare.sort_text,
cmp.config.compare.length,
cmp.config.compare.order,
},
},
snippet = {
expand = function(args)
vim.fn["vsnip#anonymous"](args.body)
end,
},
formatting = {
format = lspkind.cmp_format({
with_text = true,
maxwidth = 40, -- half max width
menu = {
nvim_ciderlsp = "[🤖]",
buffer = "[buffer]",
nvim_lsp = "[CiderLSP]",
nvim_lua = "[API]",
path = "[path]",
vim_vsnip = "[snip]",
},
}),
},
experimental = {
native_menu = false,
ghost_text = true,
},
})
vim.cmd([[
augroup CmpZsh
au!
autocmd Filetype zsh lua require'cmp'.setup.buffer { sources = { { name = "zsh" }, } }
augroup END
]])
-- 3. Set up CiderLSP
local on_attach = function(client, bufnr)
vim.api.nvim_buf_set_option(bufnr, "omnifunc", "v:lua.vim.lsp.omnifunc")
if vim.lsp.formatexpr then -- Neovim v0.6.0+ only.
vim.api.nvim_buf_set_option(bufnr, "formatexpr", "v:lua.vim.lsp.formatexpr")
end
if vim.lsp.tagfunc then
vim.api.nvim_buf_set_option(bufnr, "tagfunc", "v:lua.vim.lsp.tagfunc")
end
local opts = { noremap = true, silent = true }
vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>rn", "<cmd>lua vim.lsp.buf.rename()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>ca", "<cmd>lua vim.lsp.buf.code_action()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "L", "<cmd>lua vim.lsp.buf.hover()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "g0", "<cmd>lua vim.lsp.buf.document_symbol()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "gW", "<cmd>lua vim.lsp.buf.workspace_symbol()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "gd", "<cmd>lua vim.lsp.buf.definition()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "gD", "<cmd>tab split | lua vim.lsp.buf.definition()<CR>", opts)
-- vim.api.nvim_buf_set_keymap(bufnr, "n", "gD", "<cmd>lua vim.lsp.buf.declaration()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "gi", "<cmd>lua vim.lsp.buf.implementation()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "grf", "<cmd>lua vim.lsp.buf.references()<CR>", opts) -- diagnostics controls references
vim.api.nvim_buf_set_keymap(bufnr, "n", "<C-g>", "<cmd>lua vim.lsp.buf.signature_help()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "i", "<C-g>", "<cmd>lua vim.lsp.buf.signature_help()<CR>", opts)
vim.api.nvim_buf_set_keymap(bufnr, "n", "gt", "<cmd>lua vim.lsp.buf.type_definition()<CR>", opts)
vim.api.nvim_command("augroup LSP")
vim.api.nvim_command("autocmd!")
if client.resolved_capabilities.document_highlight then
vim.api.nvim_command("autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()")
vim.api.nvim_command("autocmd CursorHoldI <buffer> lua vim.lsp.buf.document_highlight()")
vim.api.nvim_command("autocmd CursorMoved <buffer> lua vim.lsp.util.buf_clear_references()")
end
vim.api.nvim_command("augroup END")
end
local capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
capabilities = require('cmp_nvim_ciderlsp').update_capabilities(capabilities)
nvim_lsp.ciderlsp.setup({
capabilities = capabilities,
on_attach = on_attach,
})

93
config/.config/nvim/lua/telescope_config.lua Normal file
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require('telescope').setup {
defaults = {
-- The vertical layout strategy is good to handle long paths like those in
-- google3 repos because you have nearly the full screen to display a file path.
-- The caveat is that the preview area is smaller.
layout_strategy = 'vertical',
-- Common paths in google3 repos are collapsed following the example of Cider
-- It is nice to keep this as a user config rather than part of
-- telescope-codesearch because it can be reused by other telescope pickers.
path_display = function(opts, path)
-- Do common substitutions
path = path:gsub("^/google/src/cloud/[^/]+/[^/]+/google3/", "google3/", 1)
path = path:gsub("^google3/java/com/google/", "g3/j/c/g/", 1)
path = path:gsub("^google3/javatests/com/google/", "g3/jt/c/g/", 1)
path = path:gsub("^google3/third_party/", "g3/3rdp/", 1)
path = path:gsub("^google3/", "g3/", 1)
-- Do truncation. This allows us to combine our custom display formatter
-- with the built-in truncation.
-- `truncate` handler in transform_path memoizes computed truncation length in opts.__length.
-- Here we are manually propagating this value between new_opts and opts.
-- We can make this cleaner and more complicated using metatables :)
local new_opts = {
path_display = {
truncate = true,
},
__length = opts.__length,
}
path = require('telescope.utils').transform_path(new_opts, path)
opts.__length = new_opts.__length
return path
end,
},
extensions = { -- this block is optional, and if omitted, defaults will be used
codesearch = {
experimental = true -- enable results from google3/experimental
}
}
}
-- These custom mappings let you open telescope-codesearch quickly:
vim.api.nvim_set_keymap('n', '<C-P>',
[[<cmd>lua require('telescope').extensions.codesearch.find_files{}<CR>]],
{ noremap = true, silent=true }
)
-- Search using codesearch queries.
vim.api.nvim_set_keymap(
"n",
"<leader>cs",
[[<cmd>lua require('telescope').extensions.codesearch.find_query{}<CR>]],
{ noremap = true, silent = true }
)
--
-- Search for files using codesearch queries.
vim.api.nvim_set_keymap(
"n",
"<leader>cf",
[[<cmd>lua require('telescope').extensions.codesearch.find_files{}<CR>]],
{ noremap = true, silent = true }
)
-- Search for the word under cursor.
vim.api.nvim_set_keymap(
"n",
"<leader>CS",
[[<cmd>lua require('telescope').extensions.codesearch.find_query{default_text_expand='<cword>'}<CR>]],
{ noremap = true, silent = true }
)
-- Search for a file having word under cursor in its name.
vim.api.nvim_set_keymap(
"n",
"<leader>CF",
[[<cmd>lua require('telescope').extensions.codesearch.find_files{default_text_expand='<cword>'}<CR>]],
{ noremap = true, silent = true }
)
-- Search for text selected in Visual mode.
vim.api.nvim_set_keymap(
"v",
"<leader>cs",
[[<cmd>lua require('telescope').extensions.codesearch.find_query{}<CR>]],
{ noremap = true, silent = true }
)
-- Search for file having text selected in Visual mode.
vim.api.nvim_set_keymap(
"v",
"<leader>cf",
[[<cmd>lua require('telescope').extensions.codesearch.find_files{}<CR>]],
{ noremap = true, silent = true }
)

21
config/.config/nvim/lua/treesitter.lua Normal file
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@ -0,0 +1,21 @@
require('nvim-treesitter.configs').setup {
-- A list of parser names, or "all"
-- ensure_installed = { "c", "lua", "vim", "java", "kotlin"},
ensure_installed = "all",
-- Install parsers synchronously (only applied to `ensure_installed`)
sync_install = false,
highlight = {
-- `false` will disable the whole extension
enable = true,
disable = {"java"},
-- Setting this to true will run `:h syntax` and tree-sitter at the same time.
-- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
-- Using this option may slow down your editor, and you may see some duplicate highlights.
-- Instead of true it can also be a list of languages
additional_vim_regex_highlighting = false,
},
}

11
config/.config/nvim/spell/en.utf-8.add
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@ -1,11 +0,0 @@
private
handlePackageIntent
for/!
tooling/!
createApkDescriptor
setInstance
collsion_body
shake_decay
index
func/!
lookup_app_pointer_handle/!

BIN
config/.config/nvim/spell/en.utf-8.add.spl
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83
config/.config/nvim/syntax/gotmpl.vim
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@ -1,83 +0,0 @@
" Copyright 2011 The Go Authors. All rights reserved.
" Use of this source code is governed by a BSD-style
" license that can be found in the LICENSE file.
"
" gotpl.vim: Vim syntax file for Go templates.
" Quit when a (custom) syntax file was already loaded
if exists("b:current_syntax")
finish
endif
syn case match
" Go escapes
syn match goEscapeOctal display contained "\\[0-7]\{3}"
syn match goEscapeC display contained +\\[abfnrtv\\'"]+
syn match goEscapeX display contained "\\x\x\{2}"
syn match goEscapeU display contained "\\u\x\{4}"
syn match goEscapeBigU display contained "\\U\x\{8}"
syn match goEscapeError display contained +\\[^0-7xuUabfnrtv\\'"]+
hi def link goEscapeOctal goSpecialString
hi def link goEscapeC goSpecialString
hi def link goEscapeX goSpecialString
hi def link goEscapeU goSpecialString
hi def link goEscapeBigU goSpecialString
hi def link goSpecialString Special
hi def link goEscapeError Error
" Strings and their contents
syn cluster goStringGroup contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU,goEscapeError
syn region goString contained start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@goStringGroup
syn region goRawString contained start=+`+ end=+`+
hi def link goString String
hi def link goRawString String
" Characters; their contents
syn cluster goCharacterGroup contains=goEscapeOctal,goEscapeC,goEscapeX,goEscapeU,goEscapeBigU
syn region goCharacter start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=@goCharacterGroup
hi def link goCharacter Character
" Integers
syn match goDecimalInt contained "\<\d\+\([Ee]\d\+\)\?\>"
syn match goHexadecimalInt contained "\<0x\x\+\>"
syn match goOctalInt contained "\<0\o\+\>"
syn match goOctalError contained "\<0\o*[89]\d*\>"
syn cluster goInt contains=goDecimalInt,goHexadecimalInt,goOctalInt
" Floating point
syn match goFloat contained "\<\d\+\.\d*\([Ee][-+]\d\+\)\?\>"
syn match goFloat contained "\<\.\d\+\([Ee][-+]\d\+\)\?\>"
syn match goFloat contained "\<\d\+[Ee][-+]\d\+\>"
" Imaginary literals
syn match goImaginary contained "\<\d\+i\>"
syn match goImaginary contained "\<\d\+\.\d*\([Ee][-+]\d\+\)\?i\>"
syn match goImaginary contained "\<\.\d\+\([Ee][-+]\d\+\)\?i\>"
syn match goImaginary contained "\<\d\+[Ee][-+]\d\+i\>"
hi def link goInt Number
hi def link goFloat Number
hi def link goImaginary Number
" Token groups
syn cluster gotplLiteral contains=goString,goRawString,goCharacter,@goInt,goFloat,goImaginary
syn keyword gotplControl contained if else end range with template
syn keyword gotplFunctions contained and html index js len not or print printf println urlquery eq ne lt le gt ge
syn match gotplVariable contained /\$[^ ]*\>/
syn match goTplIdentifier contained /\.[^ ]*\>/
hi def link gotplControl Keyword
hi def link gotplFunctions Function
hi def link goTplVariable Special
syn region gotplAction start="{{" end="}}" contains=@gotplLiteral,gotplControl,gotplFunctions,gotplVariable,goTplIdentifier display
syn region gotplAction start="\[\[" end="\]\]" contains=@gotplLiteral,gotplControl,gotplFunctions,gotplVariable display
syn region goTplComment start="{{/\*" end="\*/}}" display
syn region goTplComment start="\[\[/\*" end="\*/\]\]" display
hi def link gotplAction PreProc
hi def link goTplComment Comment
let b:current_syntax = "gotmpl"

11
config/.config/nvim/syntax/markdown.vim
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@ -1,11 +0,0 @@
" rainbow markdown
highlight h1 guifg=#50fa7b gui=bold
highlight _h1 guifg=#50fa7b gui=nocombine
highlight h2 guifg=#ff79c6 gui=bold
highlight _h2 guifg=#ff79c6 gui=nocombine
highlight h3 guifg=#ffb86c gui=bold
highlight _h3 guifg=#ffb86c gui=nocombine
highlight h4 guifg=#8be9fd gui=bold
highlight _h4 guifg=#8be9fd gui=nocombine
highlight h5 guifg=#f1fa8c gui=bold
highlight _h5 guifg=#f1fa8c gui=nocombine

166
config/.config/rizin/cutter.ini
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112
config/.config/xbuild/pkgconfig-cache-2.xml
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@ -1,112 +0,0 @@
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<Assembly name="Mono.WebServer2" version="0.4.0.0" culture="neutral" publicKeyToken="0738eb9f132ed756" file="/Library/Frameworks/Mono.framework/Versions/6.12.0/lib/mono/4.5/Mono.WebServer2.dll" />
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</PcFileCache>

9
config/.config/zsh-abbr/user-abbreviations
View File

@ -1,9 +0,0 @@
abbr "allpaths"="blaze query \"allpaths(%, %)\" --output graph | /google/data/ro/projects/graphviz-server/graphviz"
abbr "bb"="blaze build"
abbr "bq"="blaze query"
abbr "br"="blaze run"
abbr "bt"="blaze test"
abbr "ds_clean"="find ./ -name \".DS_Store\" -depth -exec rm {} \;"
abbr "gdvim"="nvim --listen /tmp/godot.pipe"
abbr "mux"="tmuxinator"
abbr "replace_string"="replace_string --disable_p4 \"%\" \"%\""

9
config/.ripgreprc
View File

@ -1,9 +0,0 @@
# add gdscript type
--type-add
gd:*.{gd,gdscript}*
# Search hidden files / directories (e.g. dotfiles) by default
--hidden
# Because who cares about case!?
--smart-case

1
fzf/fzf/.github/FUNDING.yml vendored Normal file
View File

@ -0,0 +1 @@
custom: ["https://paypal.me/junegunn", "https://www.buymeacoffee.com/junegunn"]

22
fzf/fzf/.github/ISSUE_TEMPLATE.md vendored Normal file
View File

@ -0,0 +1,22 @@
<!-- ISSUES NOT FOLLOWING THIS TEMPLATE WILL BE CLOSED AND DELETED -->
<!-- Check all that apply [x] -->
- [ ] I have read through the manual page (`man fzf`)
- [ ] I have the latest version of fzf
- [ ] I have searched through the existing issues
## Info
- OS
- [ ] Linux
- [ ] Mac OS X
- [ ] Windows
- [ ] Etc.
- Shell
- [ ] bash
- [ ] zsh
- [ ] fish
## Problem / Steps to reproduce

6
fzf/fzf/.github/dependabot.yml vendored Normal file
View File

@ -0,0 +1,6 @@
version: 2
updates:
- package-ecosystem: "gomod"
directory: "/"
schedule:
interval: "weekly"

37
fzf/fzf/.github/workflows/codeql-analysis.yml vendored Normal file
View File

@ -0,0 +1,37 @@
# https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning
name: CodeQL
on:
push:
branches: [ master, devel ]
pull_request:
branches: [ master ]
workflow_dispatch:
jobs:
analyze:
name: Analyze
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
language: ['go']
steps:
- name: Checkout repository
uses: actions/checkout@v2
with:
fetch-depth: 0
# Initializes the CodeQL tools for scanning.
- name: Initialize CodeQL
uses: github/codeql-action/init@v1
with:
languages: ${{ matrix.language }}
- name: Autobuild
uses: github/codeql-action/autobuild@v1
- name: Perform CodeQL Analysis
uses: github/codeql-action/analyze@v1

45
fzf/fzf/.github/workflows/linux.yml vendored Normal file
View File

@ -0,0 +1,45 @@
---
name: Test fzf on Linux
on:
push:
branches: [ master, devel ]
pull_request:
branches: [ master ]
workflow_dispatch:
jobs:
build:
runs-on: ubuntu-latest
strategy:
matrix:
go: [1.14, 1.16]
steps:
- uses: actions/checkout@v2
with:
fetch-depth: 0
- name: Set up Go
uses: actions/setup-go@v2
with:
go-version: ${{ matrix.go }}
- name: Setup Ruby
uses: ruby/setup-ruby@v1.62.0
with:
ruby-version: 3.0.0
- name: Install packages
run: sudo apt-get install --yes zsh fish tmux
- name: Install Ruby gems
run: sudo gem install --no-document minitest:5.14.2 rubocop:1.0.0 rubocop-minitest:0.10.1 rubocop-performance:1.8.1
- name: Rubocop
run: rubocop --require rubocop-minitest --require rubocop-performance
- name: Unit test
run: make test
- name: Integration test
run: make install && ./install --all && LC_ALL=C tmux new-session -d && ruby test/test_go.rb --verbose

45
fzf/fzf/.github/workflows/macos.yml vendored Normal file
View File

@ -0,0 +1,45 @@
---
name: Test fzf on macOS
on:
push:
branches: [ master, devel ]
pull_request:
branches: [ master ]
workflow_dispatch:
jobs:
build:
runs-on: macos-latest
strategy:
matrix:
go: [1.14, 1.16]
steps:
- uses: actions/checkout@v2
with:
fetch-depth: 0
- name: Set up Go
uses: actions/setup-go@v2
with:
go-version: ${{ matrix.go }}
- name: Setup Ruby
uses: ruby/setup-ruby@v1.62.0
with:
ruby-version: 3.0.0
- name: Install packages
run: HOMEBREW_NO_INSTALL_CLEANUP=1 brew install fish zsh tmux
- name: Install Ruby gems
run: gem install --no-document minitest:5.14.2 rubocop:1.0.0 rubocop-minitest:0.10.1 rubocop-performance:1.8.1
- name: Rubocop
run: rubocop --require rubocop-minitest --require rubocop-performance
- name: Unit test
run: make test
- name: Integration test
run: make install && ./install --all && LC_ALL=C tmux new-session -d && ruby test/test_go.rb --verbose

14
fzf/fzf/.gitignore vendored Normal file
View File

@ -0,0 +1,14 @@
bin/fzf
bin/fzf.exe
dist
target
pkg
Gemfile.lock
.DS_Store
doc/tags
vendor
gopath
*.zwc
fzf
tmp
*.patch

119
fzf/fzf/.goreleaser.yml Normal file
View File

@ -0,0 +1,119 @@
---
project_name: fzf
before:
hooks:
- go mod download
builds:
- id: fzf-macos
binary: fzf
goos:
- darwin
goarch:
- amd64
ldflags:
- "-s -w -X main.version={{ .Version }} -X main.revision={{ .ShortCommit }}"
hooks:
post: |
sh -c '
cat > /tmp/fzf-gon-amd64.hcl << EOF
source = ["./dist/fzf-macos_darwin_amd64/fzf"]
bundle_id = "kr.junegunn.fzf"
apple_id {
username = "junegunn.c@gmail.com"
password = "@env:AC_PASSWORD"
}
sign {
application_identity = "Developer ID Application: Junegunn Choi (Y254DRW44Z)"
}
zip {
output_path = "./dist/fzf-{{ .Version }}-darwin_amd64.zip"
}
EOF
gon /tmp/fzf-gon-amd64.hcl
'
- id: fzf-macos-arm
binary: fzf
goos:
- darwin
goarch:
- arm64
ldflags:
- "-s -w -X main.version={{ .Version }} -X main.revision={{ .ShortCommit }}"
hooks:
post: |
sh -c '
cat > /tmp/fzf-gon-arm64.hcl << EOF
source = ["./dist/fzf-macos-arm_darwin_arm64/fzf"]
bundle_id = "kr.junegunn.fzf"
apple_id {
username = "junegunn.c@gmail.com"
password = "@env:AC_PASSWORD"
}
sign {
application_identity = "Developer ID Application: Junegunn Choi (Y254DRW44Z)"
}
zip {
output_path = "./dist/fzf-{{ .Version }}-darwin_arm64.zip"
}
EOF
gon /tmp/fzf-gon-arm64.hcl
'
- id: fzf
goos:
- linux
- windows
- freebsd
- openbsd
goarch:
- amd64
- arm
- arm64
goarm:
- 5
- 6
- 7
ldflags:
- "-s -w -X main.version={{ .Version }} -X main.revision={{ .ShortCommit }}"
ignore:
- goos: freebsd
goarch: arm
- goos: openbsd
goarch: arm
- goos: freebsd
goarch: arm64
- goos: openbsd
goarch: arm64
archives:
- name_template: "{{ .ProjectName }}-{{ .Version }}-{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}"
builds:
- fzf
format: tar.gz
format_overrides:
- goos: windows
format: zip
files:
- non-existent*
release:
github:
owner: junegunn
name: fzf
prerelease: auto
name_template: '{{ .Tag }}'
extra_files:
- glob: ./dist/fzf-*darwin*.zip
snapshot:
name_template: "{{ .Tag }}-devel"
changelog:
sort: asc
filters:
exclude:
- README
- test

28
fzf/fzf/.rubocop.yml Normal file
View File

@ -0,0 +1,28 @@
Layout/LineLength:
Enabled: false
Metrics:
Enabled: false
Lint/ShadowingOuterLocalVariable:
Enabled: false
Style/MethodCallWithArgsParentheses:
Enabled: true
IgnoredMethods:
- assert
- exit
- paste
- puts
- raise
- refute
- require
- send_keys
IgnoredPatterns:
- ^assert_
- ^refute_
Style/NumericPredicate:
Enabled: false
Style/StringConcatenation:
Enabled: false
Style/OptionalBooleanParameter:
Enabled: false
Style/WordArray:
MinSize: 1

569
fzf/fzf/ADVANCED.md Normal file
View File

@ -0,0 +1,569 @@
Advanced fzf examples
======================
*(Last update: 2021/05/22)*
<!-- vim-markdown-toc GFM -->
* [Introduction](#introduction)
* [Screen Layout](#screen-layout)
* [`--height`](#--height)
* [`fzf-tmux`](#fzf-tmux)
* [Popup window support](#popup-window-support)
* [Dynamic reloading of the list](#dynamic-reloading-of-the-list)
* [Updating the list of processes by pressing CTRL-R](#updating-the-list-of-processes-by-pressing-ctrl-r)
* [Toggling between data sources](#toggling-between-data-sources)
* [Ripgrep integration](#ripgrep-integration)
* [Using fzf as the secondary filter](#using-fzf-as-the-secondary-filter)
* [Using fzf as interative Ripgrep launcher](#using-fzf-as-interative-ripgrep-launcher)
* [Switching to fzf-only search mode](#switching-to-fzf-only-search-mode)
* [Log tailing](#log-tailing)
* [Key bindings for git objects](#key-bindings-for-git-objects)
* [Files listed in `git status`](#files-listed-in-git-status)
* [Branches](#branches)
* [Commit hashes](#commit-hashes)
* [Color themes](#color-themes)
* [Generating fzf color theme from Vim color schemes](#generating-fzf-color-theme-from-vim-color-schemes)
<!-- vim-markdown-toc -->
Introduction
------------
fzf is an interactive [Unix filter][filter] program that is designed to be
used with other Unix tools. It reads a list of items from the standard input,
allows you to select a subset of the items, and prints the selected ones to
the standard output. You can think of it as an interactive version of *grep*,
and it's already useful even if you don't know any of its options.
```sh
# 1. ps: Feed the list of processes to fzf
# 2. fzf: Interactively select a process using fuzzy matching algorithm
# 3. awk: Take the PID from the selected line
# 3. kill: Kill the process with the PID
ps -ef | fzf | awk '{print $2}' | xargs kill -9
```
[filter]: https://en.wikipedia.org/wiki/Filter_(software)
While the above example succinctly summarizes the fundamental concept of fzf,
you can build much more sophisticated interactive workflows using fzf once you
learn its wide variety of features.
- To see the full list of options and features, see `man fzf`
- To see the latest additions, see [CHANGELOG.md](CHANGELOG.md)
This document will guide you through some examples that will familiarize you
with the advanced features of fzf.
Screen Layout
-------------
### `--height`
fzf by default opens in fullscreen mode, but it's not always desirable.
Oftentimes, you want to see the current context of the terminal while using
fzf. `--height` is an option for opening fzf below the cursor in
non-fullscreen mode so you can still see the previous commands and their
results above it.
```sh
fzf --height=40%
```
![image](https://user-images.githubusercontent.com/700826/113379893-c184c680-93b5-11eb-9676-c7c0a2f01748.png)
You might also want to experiment with other layout options such as
`--layout=reverse`, `--info=inline`, `--border`, `--margin`, etc.
```sh
fzf --height=40% --layout=reverse
fzf --height=40% --layout=reverse --info=inline
fzf --height=40% --layout=reverse --info=inline --border
fzf --height=40% --layout=reverse --info=inline --border --margin=1
fzf --height=40% --layout=reverse --info=inline --border --margin=1 --padding=1
```
![image](https://user-images.githubusercontent.com/700826/113379932-dfeac200-93b5-11eb-9e28-df1a2ee71f90.png)
*(See `Layout` section of the man page to see the full list of options)*
But you definitely don't want to repeat `--height=40% --layout=reverse
--info=inline --border --margin=1 --padding=1` every time you use fzf. You
could write a wrapper script or shell alias, but there is an easier option.
Define `$FZF_DEFAULT_OPTS` like so:
```sh
export FZF_DEFAULT_OPTS="--height=40% --layout=reverse --info=inline --border --margin=1 --padding=1"
```
### `fzf-tmux`
Before fzf had `--height` option, we would open fzf in a tmux split pane not
to take up the whole screen. This is done using `fzf-tmux` script.
```sh
# Open fzf on a tmux split pane below the current pane.
# Takes the same set of options.
fzf-tmux --layout=reverse
```
![image](https://user-images.githubusercontent.com/700826/113379973-f1cc6500-93b5-11eb-8860-c9bc4498aadf.png)
The limitation of `fzf-tmux` is that it only works when you're on tmux unlike
`--height` option. But the advantage of it is that it's more flexible.
(See `man fzf-tmux` for available options.)
```sh
# On the right (50%)
fzf-tmux -r
# On the left (30%)
fzf-tmux -l30%
# Above the cursor
fzf-tmux -u30%
```
![image](https://user-images.githubusercontent.com/700826/113379983-fa24a000-93b5-11eb-93eb-8a3d39b2f163.png)
![image](https://user-images.githubusercontent.com/700826/113380001-0577cb80-93b6-11eb-95d0-2ba453866882.png)
![image](https://user-images.githubusercontent.com/700826/113380040-1d4f4f80-93b6-11eb-9bef-737fb120aafe.png)
#### Popup window support
But here's the really cool part; tmux 3.2 added support for popup windows. So
you can open fzf in a popup window, which is quite useful if you frequently
use split panes.
```sh
# Open tmux in a tmux popup window (default size: 50% of the screen)
fzf-tmux -p
# 80% width, 60% height
fzf-tmux -p 80%,60%
```
![image](https://user-images.githubusercontent.com/700826/113380106-4a9bfd80-93b6-11eb-8cee-aeb1c4ce1a1f.png)
> You might also want to check out my tmux plugins which support this popup
> window layout.
>
> - https://github.com/junegunn/tmux-fzf-url
> - https://github.com/junegunn/tmux-fzf-maccy
Dynamic reloading of the list
-----------------------------
fzf can dynamically update the candidate list using an arbitrary program with
`reload` bindings (The design document for `reload` can be found
[here][reload]).
[reload]: https://github.com/junegunn/fzf/issues/1750
### Updating the list of processes by pressing CTRL-R
This example shows how you can set up a binding for dynamically updating the
list without restarting fzf.
```sh
(date; ps -ef) |
fzf --bind='ctrl-r:reload(date; ps -ef)' \
--header=$'Press CTRL-R to reload\n\n' --header-lines=2 \
--preview='echo {}' --preview-window=down,3,wrap \
--layout=reverse --height=80% | awk '{print $2}' | xargs kill -9
```
![image](https://user-images.githubusercontent.com/700826/113465047-200c7c00-946c-11eb-918c-268f37a900c8.png)
- The initial command is `(date; ps -ef)`. It prints the current date and
time, and the list of the processes.
- With `--header` option, you can show any message as the fixed header.
- To disallow selecting the first two lines (`date` and `ps` header), we use
`--header-lines=2` option.
- `--bind='ctrl-r:reload(date; ps -ef)'` binds CTRL-R to `reload` action that
runs `date; ps -ef`, so we can update the list of the processes by pressing
CTRL-R.
- We use simple `echo {}` preview option, so we can see the entire line on the
preview window below even if it's too long
### Toggling between data sources
You're not limited to just one reload binding. Set up multiple bindings so
you can switch between data sources.
```sh
find * | fzf --prompt 'All> ' \
--header 'CTRL-D: Directories / CTRL-F: Files' \
--bind 'ctrl-d:change-prompt(Directories> )+reload(find * -type d)' \
--bind 'ctrl-f:change-prompt(Files> )+reload(find * -type f)'
```
![image](https://user-images.githubusercontent.com/700826/113465073-4af6d000-946c-11eb-858f-2372c0955f67.png)
![image](https://user-images.githubusercontent.com/700826/113465072-46321c00-946c-11eb-9b6f-cda3951df579.png)
Ripgrep integration
-------------------
### Using fzf as the secondary filter
* Requires [bat][bat]
* Requires [Ripgrep][rg]
[bat]: https://github.com/sharkdp/bat
[rg]: https://github.com/BurntSushi/ripgrep
fzf is pretty fast for filtering a list that you will rarely have to think
about its performance. But it is not the right tool for searching for text
inside many large files, and in that case you should definitely use something
like [Ripgrep][rg].
In the next example, Ripgrep is the primary filter that searches for the given
text in files, and fzf is used as the secondary fuzzy filter that adds
interactivity to the workflow. And we use [bat][bat] to show the matching line in
the preview window.
This is a bash script and it will not run as expected on other non-compliant
shells. To avoid the compatibility issue, let's save this snippet as a script
file called `rfv`.
```bash
#!/usr/bin/env bash
# 1. Search for text in files using Ripgrep
# 2. Interactively narrow down the list using fzf
# 3. Open the file in Vim
IFS=: read -ra selected < <(
rg --color=always --line-number --no-heading --smart-case "${*:-}" |
fzf --ansi \
--color "hl:-1:underline,hl+:-1:underline:reverse" \
--delimiter : \
--preview 'bat --color=always {1} --highlight-line {2}' \
--preview-window 'up,60%,border-bottom,+{2}+3/3,~3'
)
[ -n "${selected[0]}" ] && vim "${selected[0]}" "+${selected[1]}"
```
And run it with an initial query string.
```sh
# Make the script executable
chmod +x rfv
# Run it with the initial query "algo"
./rfv algo
```
> Ripgrep will perform the initial search and list all the lines that contain
`algo`. Then we further narrow down the list on fzf.
![image](https://user-images.githubusercontent.com/700826/113683873-a42a6200-96ff-11eb-9666-26ce4091b0e4.png)
I know it's a lot to digest, let's try to break down the code.
- Ripgrep prints the matching lines in the following format
```
man/man1/fzf.1:54:.BI "--algo=" TYPE
man/man1/fzf.1:55:Fuzzy matching algorithm (default: v2)
man/man1/fzf.1:58:.BR v2 " Optimal scoring algorithm (quality)"
src/pattern_test.go:7: "github.com/junegunn/fzf/src/algo"
```
The first token delimited by `:` is the file path, and the second token is
the line number of the matching line. They respectively correspond to `{1}`
and `{2}` in the preview command.
- `--preview 'bat --color=always {1} --highlight-line {2}'`
- As we run `rg` with `--color=always` option, we should tell fzf to parse
ANSI color codes in the input by setting `--ansi`.
- We customize how fzf colors various text elements using `--color` option.
`-1` tells fzf to keep the original color from the input. See `man fzf` for
available color options.
- The value of `--preview-window` option consists of 5 components delimited
by `,`
1. `up` — Position of the preview window
1. `60%` — Size of the preview window
1. `border-bottom` — Preview window border only on the bottom side
1. `+{2}+3/3` — Scroll offset of the preview contents
1. `~3` — Fixed header
- Let's break down the latter two. We want to display the bat output in the
preview window with a certain scroll offset so that the matching line is
positioned near the center of the preview window.
- `+{2}` — The base offset is extracted from the second token
- `+3` — We add 3 lines to the base offset to compensate for the header
part of `bat` output
- ```
───────┬──────────────────────────────────────────────────────────
│ File: CHANGELOG.md
───────┼──────────────────────────────────────────────────────────
1 │ CHANGELOG
2 │ =========
3 │
4 │ 0.26.0
5 │ ------
```
- `/3` adjusts the offset so that the matching line is shown at a third
position in the window
- `~3` makes the top three lines fixed header so that they are always
visible regardless of the scroll offset
- Once we selected a line, we open the file with `vim` (`vim
"${selected[0]}"`) and move the cursor to the line (`+${selected[1]}`).
### Using fzf as interative Ripgrep launcher
We have learned that we can bind `reload` action to a key (e.g.
`--bind=ctrl-r:execute(ps -ef)`). In the next example, we are going to **bind
`reload` action to `change` event** so that whenever the user *changes* the
query string on fzf, `reload` action is triggered.
Here is a variation of the above `rfv` script. fzf will restart Ripgrep every
time the user updates the query string on fzf. Searching and filtering is
completely done by Ripgrep, and fzf merely provides the interactive interface.
So we lose the "fuzziness", but the performance will be better on larger
projects, and it will free up memory as you narrow down the results.
```bash
#!/usr/bin/env bash
# 1. Search for text in files using Ripgrep
# 2. Interactively restart Ripgrep with reload action
# 3. Open the file in Vim
RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
INITIAL_QUERY="${*:-}"
IFS=: read -ra selected < <(
FZF_DEFAULT_COMMAND="$RG_PREFIX $(printf %q "$INITIAL_QUERY")" \
fzf --ansi \
--disabled --query "$INITIAL_QUERY" \
--bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
--delimiter : \
--preview 'bat --color=always {1} --highlight-line {2}' \
--preview-window 'up,60%,border-bottom,+{2}+3/3,~3'
)
[ -n "${selected[0]}" ] && vim "${selected[0]}" "+${selected[1]}"
```
![image](https://user-images.githubusercontent.com/700826/113684212-f9ff0a00-96ff-11eb-8737-7bb571d320cc.png)
- Instead of starting fzf in `rg ... | fzf` form, we start fzf without an
explicit input, but with a custom `FZF_DEFAULT_COMMAND` variable. This way
fzf can kill the initial Ripgrep process it starts with the initial query.
Otherwise, the initial Ripgrep process will keep consuming system resources
even after `reload` is triggered.
- Filtering is no longer a responsibility of fzf; hence `--disabled`
- `{q}` in the reload command evaluates to the query string on fzf prompt.
- `sleep 0.1` in the reload command is for "debouncing". This small delay will
reduce the number of intermediate Ripgrep processes while we're typing in
a query.
### Switching to fzf-only search mode
*(Requires fzf 0.27.1 or above)*
In the previous example, we lost fuzzy matching capability as we completely
delegated search functionality to Ripgrep. But we can dynamically switch to
fzf-only search mode by *"unbinding"* `reload` action from `change` event.
```sh
#!/usr/bin/env bash
# Two-phase filtering with Ripgrep and fzf
#
# 1. Search for text in files using Ripgrep
# 2. Interactively restart Ripgrep with reload action
# * Press alt-enter to switch to fzf-only filtering
# 3. Open the file in Vim
RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
INITIAL_QUERY="${*:-}"
IFS=: read -ra selected < <(
FZF_DEFAULT_COMMAND="$RG_PREFIX $(printf %q "$INITIAL_QUERY")" \
fzf --ansi \
--color "hl:-1:underline,hl+:-1:underline:reverse" \
--disabled --query "$INITIAL_QUERY" \
--bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
--bind "alt-enter:unbind(change,alt-enter)+change-prompt(2. fzf> )+enable-search+clear-query" \
--prompt '1. ripgrep> ' \
--delimiter : \
--preview 'bat --color=always {1} --highlight-line {2}' \
--preview-window 'up,60%,border-bottom,+{2}+3/3,~3'
)
[ -n "${selected[0]}" ] && vim "${selected[0]}" "+${selected[1]}"
```
* Phase 1. Filtering with Ripgrep
![image](https://user-images.githubusercontent.com/700826/119213880-735e8a80-bafd-11eb-8493-123e4be24fbc.png)
* Phase 2. Filtering with fzf
![image](https://user-images.githubusercontent.com/700826/119213887-7e191f80-bafd-11eb-98c9-71a1af9d7aab.png)
- We added `--prompt` option to show that fzf is initially running in "Ripgrep
launcher mode".
- We added `alt-enter` binding that
1. unbinds `change` event, so Ripgrep is no longer restarted on key press
2. changes the prompt to `2. fzf>`
3. enables search functionality of fzf
4. clears the current query string that was used to start Ripgrep process
5. and unbinds `alt-enter` itself as this is a one-off event
- We reverted `--color` option for customizing how the matching chunks are
displayed in the second phase
Log tailing
-----------
fzf can run long-running preview commands and render partial results before
completion. And when you specify `follow` flag in `--preview-window` option,
fzf will "`tail -f`" the result, automatically scrolling to the bottom.
```bash
# With "follow", preview window will automatically scroll to the bottom.
# "\033[2J" is an ANSI escape sequence for clearing the screen.
# When fzf reads this code it clears the previous preview contents.
fzf --preview-window follow --preview 'for i in $(seq 100000); do
echo "$i"
sleep 0.01
(( i % 300 == 0 )) && printf "\033[2J"
done'
```
![image](https://user-images.githubusercontent.com/700826/113473303-dd669600-94a3-11eb-88a9-1f61b996bb0e.png)
Admittedly, that was a silly example. Here's a practical one for browsing
Kubernetes pods.
```bash
pods() {
FZF_DEFAULT_COMMAND="kubectl get pods --all-namespaces" \
fzf --info=inline --layout=reverse --header-lines=1 \
--prompt "$(kubectl config current-context | sed 's/-context$//')> " \
--header $'╱ Enter (kubectl exec) ╱ CTRL-O (open log in editor) ╱ CTRL-R (reload) ╱\n\n' \
--bind 'ctrl-/:change-preview-window(80%,border-bottom|hidden|)' \
--bind 'enter:execute:kubectl exec -it --namespace {1} {2} -- bash > /dev/tty' \
--bind 'ctrl-o:execute:${EDITOR:-vim} <(kubectl logs --all-containers --namespace {1} {2}) > /dev/tty' \
--bind 'ctrl-r:reload:$FZF_DEFAULT_COMMAND' \
--preview-window up:follow \
--preview 'kubectl logs --follow --all-containers --tail=10000 --namespace {1} {2}' "$@"
}
```
![image](https://user-images.githubusercontent.com/700826/113473547-1d7a4880-94a5-11eb-98ef-9aa6f0ed215a.png)
- The preview window will *"log tail"* the pod
- Holding on to a large amount of log will consume a lot of memory. So we
limited the initial log amount with `--tail=10000`.
- `execute` bindings allow you to run any command without leaving fzf
- Press enter key on a pod to `kubectl exec` into it
- Press CTRL-O to open the log in your editor
- Press CTRL-R to reload the pod list
- Press CTRL-/ repeatedly to to rotate through a different sets of preview
window options
1. `80%,border-bottom`
1. `hidden`
1. Empty string after `|` translates to the default options from `--preview-window`
Key bindings for git objects
----------------------------
I have [blogged](https://junegunn.kr/2016/07/fzf-git) about my fzf+git key
bindings a few years ago. I'm going to show them here again, because they are
seriously useful.
### Files listed in `git status`
<kbd>CTRL-G</kbd><kbd>CTRL-F</kbd>
![image](https://user-images.githubusercontent.com/700826/113473779-a9d93b00-94a6-11eb-87b5-f62a8d0a0efc.png)
### Branches
<kbd>CTRL-G</kbd><kbd>CTRL-B</kbd>
![image](https://user-images.githubusercontent.com/700826/113473758-87dfb880-94a6-11eb-82f4-9218103f10bd.png)
### Commit hashes
<kbd>CTRL-G</kbd><kbd>CTRL-H</kbd>
![image](https://user-images.githubusercontent.com/700826/113473765-91692080-94a6-11eb-8d38-ed4d41f27ac1.png)
The full source code can be found [here](https://gist.github.com/junegunn/8b572b8d4b5eddd8b85e5f4d40f17236).
Color themes
------------
You can customize how fzf colors the text elements with `--color` option. Here
are a few color themes. Note that you need a terminal emulator that can
display 24-bit colors.
```sh
# junegunn/seoul256.vim (dark)
export FZF_DEFAULT_OPTS='--color=bg+:#3F3F3F,bg:#4B4B4B,border:#6B6B6B,spinner:#98BC99,hl:#719872,fg:#D9D9D9,header:#719872,info:#BDBB72,pointer:#E12672,marker:#E17899,fg+:#D9D9D9,preview-bg:#3F3F3F,prompt:#98BEDE,hl+:#98BC99'
```
![seoul256](https://user-images.githubusercontent.com/700826/113475011-2c192d80-94ae-11eb-9d17-1e5867bae01f.png)
```sh
# junegunn/seoul256.vim (light)
export FZF_DEFAULT_OPTS='--color=bg+:#D9D9D9,bg:#E1E1E1,border:#C8C8C8,spinner:#719899,hl:#719872,fg:#616161,header:#719872,info:#727100,pointer:#E12672,marker:#E17899,fg+:#616161,preview-bg:#D9D9D9,prompt:#0099BD,hl+:#719899'
```
![seoul256-light](https://user-images.githubusercontent.com/700826/113475022-389d8600-94ae-11eb-905f-0939dd535837.png)
```sh
# morhetz/gruvbox
export FZF_DEFAULT_OPTS='--color=bg+:#3c3836,bg:#32302f,spinner:#fb4934,hl:#928374,fg:#ebdbb2,header:#928374,info:#8ec07c,pointer:#fb4934,marker:#fb4934,fg+:#ebdbb2,prompt:#fb4934,hl+:#fb4934'
```
![gruvbox](https://user-images.githubusercontent.com/700826/113475042-494dfc00-94ae-11eb-9322-cd03a027305a.png)
```sh
# arcticicestudio/nord-vim
export FZF_DEFAULT_OPTS='--color=bg+:#3B4252,bg:#2E3440,spinner:#81A1C1,hl:#616E88,fg:#D8DEE9,header:#616E88,info:#81A1C1,pointer:#81A1C1,marker:#81A1C1,fg+:#D8DEE9,prompt:#81A1C1,hl+:#81A1C1'
```
![nord](https://user-images.githubusercontent.com/700826/113475063-67b3f780-94ae-11eb-9b24-5f0d22b63399.png)
```sh
# tomasr/molokai
export FZF_DEFAULT_OPTS='--color=bg+:#293739,bg:#1B1D1E,border:#808080,spinner:#E6DB74,hl:#7E8E91,fg:#F8F8F2,header:#7E8E91,info:#A6E22E,pointer:#A6E22E,marker:#F92672,fg+:#F8F8F2,prompt:#F92672,hl+:#F92672'
```
![molokai](https://user-images.githubusercontent.com/700826/113475085-8619f300-94ae-11eb-85e4-2766fc3246bf.png)
### Generating fzf color theme from Vim color schemes
The Vim plugin of fzf can generate `--color` option from the current color
scheme according to `g:fzf_colors` variable. You can find the detailed
explanation [here](https://github.com/junegunn/fzf/blob/master/README-VIM.md#explanation-of-gfzf_colors).
Here is an example. Add this to your Vim configuration file.
```vim
let g:fzf_colors =
\ { 'fg': ['fg', 'Normal'],
\ 'bg': ['bg', 'Normal'],
\ 'preview-bg': ['bg', 'NormalFloat'],
\ 'hl': ['fg', 'Comment'],
\ 'fg+': ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
\ 'bg+': ['bg', 'CursorLine', 'CursorColumn'],
\ 'hl+': ['fg', 'Statement'],
\ 'info': ['fg', 'PreProc'],
\ 'border': ['fg', 'Ignore'],
\ 'prompt': ['fg', 'Conditional'],
\ 'pointer': ['fg', 'Exception'],
\ 'marker': ['fg', 'Keyword'],
\ 'spinner': ['fg', 'Label'],
\ 'header': ['fg', 'Comment'] }
```
Then you can see how the `--color` option is generated by printing the result
of `fzf#wrap()`.
```vim
:echo fzf#wrap()
```
Use this command to append `export FZF_DEFAULT_OPTS="..."` line to the end of
the current file.
```vim
:call append('$', printf('export FZF_DEFAULT_OPTS="%s"', matchstr(fzf#wrap().options, "--color[^']*")))
```

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@ -0,0 +1,49 @@
Building fzf
============
Build instructions
------------------
### Prerequisites
- Go 1.13 or above
### Using Makefile
```sh
# Build fzf binary for your platform in target
make
# Build fzf binary and copy it to bin directory
make install
# Build fzf binaries and archives for all platforms using goreleaser
make build
# Publish GitHub release
make release
```
> :warning: Makefile uses git commands to determine the version and the
> revision information for `fzf --version`. So if you're building fzf from an
> environment where its git information is not available, you have to manually
> set `$FZF_VERSION` and `$FZF_REVISION`.
>
> e.g. `FZF_VERSION=0.24.0 FZF_REVISION=tarball make`
Third-party libraries used
--------------------------
- [mattn/go-runewidth](https://github.com/mattn/go-runewidth)
- Licensed under [MIT](http://mattn.mit-license.org)
- [mattn/go-shellwords](https://github.com/mattn/go-shellwords)
- Licensed under [MIT](http://mattn.mit-license.org)
- [mattn/go-isatty](https://github.com/mattn/go-isatty)
- Licensed under [MIT](http://mattn.mit-license.org)
- [tcell](https://github.com/gdamore/tcell)
- Licensed under [Apache License 2.0](https://github.com/gdamore/tcell/blob/master/LICENSE)
License
-------
[MIT](LICENSE)

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11
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@ -0,0 +1,11 @@
FROM archlinux
RUN pacman -Sy && pacman --noconfirm -S awk git tmux zsh fish ruby procps go make gcc
RUN gem install --no-document -v 5.14.2 minitest
RUN echo '. /usr/share/bash-completion/completions/git' >> ~/.bashrc
RUN echo '. ~/.bashrc' >> ~/.bash_profile
# Do not set default PS1
RUN rm -f /etc/bash.bashrc
COPY . /fzf
RUN cd /fzf && make install && ./install --all
CMD tmux new 'set -o pipefail; ruby /fzf/test/test_go.rb | tee out && touch ok' && cat out && [ -e ok ]

12
tmux/.tmux/plugins/tmux/LICENSE → fzf/fzf/LICENSE
View File

@ -1,6 +1,6 @@
MIT License The MIT License (MIT)
Copyright (c) 2021 Catppuccin Copyright (c) 2013-2021 Junegunn Choi
Permission is hereby granted, free of charge, to any person obtaining a copy Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal of this software and associated documentation files (the "Software"), to deal
@ -9,13 +9,13 @@ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions: furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all The above copyright notice and this permission notice shall be included in
copies or substantial portions of the Software. all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
SOFTWARE. THE SOFTWARE.

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@ -0,0 +1,166 @@
SHELL := bash
GO ?= go
GOOS ?= $(word 1, $(subst /, " ", $(word 4, $(shell go version))))
MAKEFILE := $(realpath $(lastword $(MAKEFILE_LIST)))
ROOT_DIR := $(shell dirname $(MAKEFILE))
SOURCES := $(wildcard *.go src/*.go src/*/*.go) $(MAKEFILE)
ifdef FZF_VERSION
VERSION := $(FZF_VERSION)
else
VERSION := $(shell git describe --abbrev=0 2> /dev/null)
endif
ifeq ($(VERSION),)
$(error Not on git repository; cannot determine $$FZF_VERSION)
endif
VERSION_TRIM := $(shell sed "s/-.*//" <<< $(VERSION))
VERSION_REGEX := $(subst .,\.,$(VERSION_TRIM))
ifdef FZF_REVISION
REVISION := $(FZF_REVISION)
else
REVISION := $(shell git log -n 1 --pretty=format:%h -- $(SOURCES) 2> /dev/null)
endif
ifeq ($(REVISION),)
$(error Not on git repository; cannot determine $$FZF_REVISION)
endif
BUILD_FLAGS := -a -ldflags "-s -w -X main.version=$(VERSION) -X main.revision=$(REVISION)" -tags "$(TAGS)"
BINARY32 := fzf-$(GOOS)_386
BINARY64 := fzf-$(GOOS)_amd64
BINARYARM5 := fzf-$(GOOS)_arm5
BINARYARM6 := fzf-$(GOOS)_arm6
BINARYARM7 := fzf-$(GOOS)_arm7
BINARYARM8 := fzf-$(GOOS)_arm8
BINARYPPC64LE := fzf-$(GOOS)_ppc64le
BINARYRISCV64 := fzf-$(GOOS)_riscv64
# https://en.wikipedia.org/wiki/Uname
UNAME_M := $(shell uname -m)
ifeq ($(UNAME_M),x86_64)
BINARY := $(BINARY64)
else ifeq ($(UNAME_M),amd64)
BINARY := $(BINARY64)
else ifeq ($(UNAME_M),i686)
BINARY := $(BINARY32)
else ifeq ($(UNAME_M),i386)
BINARY := $(BINARY32)
else ifeq ($(UNAME_M),armv5l)
BINARY := $(BINARYARM5)
else ifeq ($(UNAME_M),armv6l)
BINARY := $(BINARYARM6)
else ifeq ($(UNAME_M),armv7l)
BINARY := $(BINARYARM7)
else ifeq ($(UNAME_M),armv8l)
BINARY := $(BINARYARM8)
else ifeq ($(UNAME_M),arm64)
BINARY := $(BINARYARM8)
else ifeq ($(UNAME_M),aarch64)
BINARY := $(BINARYARM8)
else ifeq ($(UNAME_M),ppc64le)
BINARY := $(BINARYPPC64LE)
else ifeq ($(UNAME_M),riscv64)
BINARY := $(BINARYRISCV64)
else
$(error Build on $(UNAME_M) is not supported, yet.)
endif
all: target/$(BINARY)
test: $(SOURCES)
[ -z "$$(gofmt -s -d src)" ] || (gofmt -s -d src; exit 1)
SHELL=/bin/sh GOOS= $(GO) test -v -tags "$(TAGS)" \
github.com/junegunn/fzf/src \
github.com/junegunn/fzf/src/algo \
github.com/junegunn/fzf/src/tui \
github.com/junegunn/fzf/src/util
bench:
cd src && SHELL=/bin/sh GOOS= $(GO) test -v -tags "$(TAGS)" -run=Bench -bench=. -benchmem
install: bin/fzf
build:
goreleaser --rm-dist --snapshot
release:
ifndef GITHUB_TOKEN
$(error GITHUB_TOKEN is not defined)
endif
# Check if we are on master branch
ifneq ($(shell git symbolic-ref --short HEAD),master)
$(error Not on master branch)
endif
# Check if version numbers are properly updated
grep -q ^$(VERSION_REGEX)$$ CHANGELOG.md
grep -qF '"fzf $(VERSION_TRIM)"' man/man1/fzf.1
grep -qF '"fzf $(VERSION_TRIM)"' man/man1/fzf-tmux.1
grep -qF $(VERSION) install
grep -qF $(VERSION) install.ps1
# Make release note out of CHANGELOG.md
mkdir -p tmp
sed -n '/^$(VERSION_REGEX)$$/,/^[0-9]/p' CHANGELOG.md | tail -r | \
sed '1,/^ *$$/d' | tail -r | sed 1,2d | tee tmp/release-note
# Push to temp branch first so that install scripts always works on master branch
git checkout -B temp master
git push origin temp --follow-tags --force
# Make a GitHub release
goreleaser --rm-dist --release-notes tmp/release-note
# Push to master
git checkout master
git push origin master
# Delete temp branch
git push origin --delete temp
clean:
$(RM) -r dist target
target/$(BINARY32): $(SOURCES)
GOARCH=386 $(GO) build $(BUILD_FLAGS) -o $@
target/$(BINARY64): $(SOURCES)
GOARCH=amd64 $(GO) build $(BUILD_FLAGS) -o $@
# https://github.com/golang/go/wiki/GoArm
target/$(BINARYARM5): $(SOURCES)
GOARCH=arm GOARM=5 $(GO) build $(BUILD_FLAGS) -o $@
target/$(BINARYARM6): $(SOURCES)
GOARCH=arm GOARM=6 $(GO) build $(BUILD_FLAGS) -o $@
target/$(BINARYARM7): $(SOURCES)
GOARCH=arm GOARM=7 $(GO) build $(BUILD_FLAGS) -o $@
target/$(BINARYARM8): $(SOURCES)
GOARCH=arm64 $(GO) build $(BUILD_FLAGS) -o $@
target/$(BINARYPPC64LE): $(SOURCES)
GOARCH=ppc64le $(GO) build $(BUILD_FLAGS) -o $@
target/$(BINARYRISCV64): $(SOURCES)
GOARCH=riscv64 $(GO) build $(BUILD_FLAGS) -o $@
bin/fzf: target/$(BINARY) | bin
cp -f target/$(BINARY) bin/fzf
docker:
docker build -t fzf-arch .
docker run -it fzf-arch tmux
docker-test:
docker build -t fzf-arch .
docker run -it fzf-arch
update:
$(GO) get -u
$(GO) mod tidy
.PHONY: all build release test bench install clean docker docker-test update

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FZF Vim integration
===================
Installation
------------
Once you have fzf installed, you can enable it inside Vim simply by adding the
directory to `&runtimepath` in your Vim configuration file. The path may
differ depending on the package manager.
```vim
" If installed using Homebrew
set rtp+=/usr/local/opt/fzf
" If installed using git
set rtp+=~/.fzf
```
If you use [vim-plug](https://github.com/junegunn/vim-plug), the same can be
written as:
```vim
" If installed using Homebrew
Plug '/usr/local/opt/fzf'
" If installed using git
Plug '~/.fzf'
```
But if you want the latest Vim plugin file from GitHub rather than the one
included in the package, write:
```vim
Plug 'junegunn/fzf'
```
The Vim plugin will pick up fzf binary available on the system. If fzf is not
found on `$PATH`, it will ask you if it should download the latest binary for
you.
To make sure that you have the latest version of the binary, set up
post-update hook like so:
```vim
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
```
Summary
-------
The Vim plugin of fzf provides two core functions, and `:FZF` command which is
the basic file selector command built on top of them.
1. **`fzf#run([spec dict])`**
- Starts fzf inside Vim with the given spec
- `:call fzf#run({'source': 'ls'})`
2. **`fzf#wrap([spec dict]) -> (dict)`**
- Takes a spec for `fzf#run` and returns an extended version of it with
additional options for addressing global preferences (`g:fzf_xxx`)
- `:echo fzf#wrap({'source': 'ls'})`
- We usually *wrap* a spec with `fzf#wrap` before passing it to `fzf#run`
- `:call fzf#run(fzf#wrap({'source': 'ls'}))`
3. **`:FZF [fzf_options string] [path string]`**
- Basic fuzzy file selector
- A reference implementation for those who don't want to write VimScript
to implement custom commands
- If you're looking for more such commands, check out [fzf.vim](https://github.com/junegunn/fzf.vim) project.
The most important of all is `fzf#run`, but it would be easier to understand
the whole if we start off with `:FZF` command.
`:FZF[!]`
---------
```vim
" Look for files under current directory
:FZF
" Look for files under your home directory
:FZF ~
" With fzf command-line options
:FZF --reverse --info=inline /tmp
" Bang version starts fzf in fullscreen mode
:FZF!
```
Similarly to [ctrlp.vim](https://github.com/kien/ctrlp.vim), use enter key,
`CTRL-T`, `CTRL-X` or `CTRL-V` to open selected files in the current window,
in new tabs, in horizontal splits, or in vertical splits respectively.
Note that the environment variables `FZF_DEFAULT_COMMAND` and
`FZF_DEFAULT_OPTS` also apply here.
### Configuration
- `g:fzf_action`
- Customizable extra key bindings for opening selected files in different ways
- `g:fzf_layout`
- Determines the size and position of fzf window
- `g:fzf_colors`
- Customizes fzf colors to match the current color scheme
- `g:fzf_history_dir`
- Enables history feature
#### Examples
```vim
" This is the default extra key bindings
let g:fzf_action = {
\ 'ctrl-t': 'tab split',
\ 'ctrl-x': 'split',
\ 'ctrl-v': 'vsplit' }
" An action can be a reference to a function that processes selected lines
function! s:build_quickfix_list(lines)
call setqflist(map(copy(a:lines), '{ "filename": v:val }'))
copen
cc
endfunction
let g:fzf_action = {
\ 'ctrl-q': function('s:build_quickfix_list'),
\ 'ctrl-t': 'tab split',
\ 'ctrl-x': 'split',
\ 'ctrl-v': 'vsplit' }
" Default fzf layout
" - Popup window (center of the screen)
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6 } }
" - Popup window (center of the current window)
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6, 'relative': v:true } }
" - Popup window (anchored to the bottom of the current window)
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6, 'relative': v:true, 'yoffset': 1.0 } }
" - down / up / left / right
let g:fzf_layout = { 'down': '40%' }
" - Window using a Vim command
let g:fzf_layout = { 'window': 'enew' }
let g:fzf_layout = { 'window': '-tabnew' }
let g:fzf_layout = { 'window': '10new' }
" Customize fzf colors to match your color scheme
" - fzf#wrap translates this to a set of `--color` options
let g:fzf_colors =
\ { 'fg': ['fg', 'Normal'],
\ 'bg': ['bg', 'Normal'],
\ 'hl': ['fg', 'Comment'],
\ 'fg+': ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
\ 'bg+': ['bg', 'CursorLine', 'CursorColumn'],
\ 'hl+': ['fg', 'Statement'],
\ 'info': ['fg', 'PreProc'],
\ 'border': ['fg', 'Ignore'],
\ 'prompt': ['fg', 'Conditional'],
\ 'pointer': ['fg', 'Exception'],
\ 'marker': ['fg', 'Keyword'],
\ 'spinner': ['fg', 'Label'],
\ 'header': ['fg', 'Comment'] }
" Enable per-command history
" - History files will be stored in the specified directory
" - When set, CTRL-N and CTRL-P will be bound to 'next-history' and
" 'previous-history' instead of 'down' and 'up'.
let g:fzf_history_dir = '~/.local/share/fzf-history'
```
##### Explanation of `g:fzf_colors`
`g:fzf_colors` is a dictionary mapping fzf elements to a color specification
list:
element: [ component, group1 [, group2, ...] ]
- `element` is an fzf element to apply a color to:
| Element | Description |
| --- | --- |
| `fg` / `bg` / `hl` | Item (foreground / background / highlight) |
| `fg+` / `bg+` / `hl+` | Current item (foreground / background / highlight) |
| `preview-fg` / `preview-bg` | Preview window text and background |
| `hl` / `hl+` | Highlighted substrings (normal / current) |
| `gutter` | Background of the gutter on the left |
| `pointer` | Pointer to the current line (`>`) |
| `marker` | Multi-select marker (`>`) |
| `border` | Border around the window (`--border` and `--preview`) |
| `header` | Header (`--header` or `--header-lines`) |
| `info` | Info line (match counters) |
| `spinner` | Streaming input indicator |
| `query` | Query string |
| `disabled` | Query string when search is disabled |
| `prompt` | Prompt before query (`> `) |
| `pointer` | Pointer to the current line (`>`) |
- `component` specifies the component (`fg` / `bg`) from which to extract the
color when considering each of the following highlight groups
- `group1 [, group2, ...]` is a list of highlight groups that are searched (in
order) for a matching color definition
For example, consider the following specification:
```vim
'prompt': ['fg', 'Conditional', 'Comment'],
```
This means we color the **prompt**
- using the `fg` attribute of the `Conditional` if it exists,
- otherwise use the `fg` attribute of the `Comment` highlight group if it exists,
- otherwise fall back to the default color settings for the **prompt**.
You can examine the color option generated according the setting by printing
the result of `fzf#wrap()` function like so:
```vim
:echo fzf#wrap()
```
`fzf#run`
---------
`fzf#run()` function is the core of Vim integration. It takes a single
dictionary argument, *a spec*, and starts fzf process accordingly. At the very
least, specify `sink` option to tell what it should do with the selected
entry.
```vim
call fzf#run({'sink': 'e'})
```
We haven't specified the `source`, so this is equivalent to starting fzf on
command line without standard input pipe; fzf will use find command (or
`$FZF_DEFAULT_COMMAND` if defined) to list the files under the current
directory. When you select one, it will open it with the sink, `:e` command.
If you want to open it in a new tab, you can pass `:tabedit` command instead
as the sink.
```vim
call fzf#run({'sink': 'tabedit'})
```
Instead of using the default find command, you can use any shell command as
the source. The following example will list the files managed by git. It's
equivalent to running `git ls-files | fzf` on shell.
```vim
call fzf#run({'source': 'git ls-files', 'sink': 'e'})
```
fzf options can be specified as `options` entry in spec dictionary.
```vim
call fzf#run({'sink': 'tabedit', 'options': '--multi --reverse'})
```
You can also pass a layout option if you don't want fzf window to take up the
entire screen.
```vim
" up / down / left / right / window are allowed
call fzf#run({'source': 'git ls-files', 'sink': 'e', 'left': '40%'})
call fzf#run({'source': 'git ls-files', 'sink': 'e', 'window': '30vnew'})
```
`source` doesn't have to be an external shell command, you can pass a Vim
array as the source. In the next example, we pass the names of color
schemes as the source to implement a color scheme selector.
```vim
call fzf#run({'source': map(split(globpath(&rtp, 'colors/*.vim')),
\ 'fnamemodify(v:val, ":t:r")'),
\ 'sink': 'colo', 'left': '25%'})
```
The following table summarizes the available options.
| Option name | Type | Description |
| -------------------------- | ------------- | ---------------------------------------------------------------- |
| `source` | string | External command to generate input to fzf (e.g. `find .`) |
| `source` | list | Vim list as input to fzf |
| `sink` | string | Vim command to handle the selected item (e.g. `e`, `tabe`) |
| `sink` | funcref | Reference to function to process each selected item |
| `sinklist` (or `sink*`) | funcref | Similar to `sink`, but takes the list of output lines at once |
| `options` | string/list | Options to fzf |
| `dir` | string | Working directory |
| `up`/`down`/`left`/`right` | number/string | (Layout) Window position and size (e.g. `20`, `50%`) |
| `tmux` | string | (Layout) fzf-tmux options (e.g. `-p90%,60%`) |
| `window` (Vim 8 / Neovim) | string | (Layout) Command to open fzf window (e.g. `vertical aboveleft 30new`) |
| `window` (Vim 8 / Neovim) | dict | (Layout) Popup window settings (e.g. `{'width': 0.9, 'height': 0.6}`) |
`options` entry can be either a string or a list. For simple cases, string
should suffice, but prefer to use list type to avoid escaping issues.
```vim
call fzf#run({'options': '--reverse --prompt "C:\\Program Files\\"'})
call fzf#run({'options': ['--reverse', '--prompt', 'C:\Program Files\']})
```
When `window` entry is a dictionary, fzf will start in a popup window. The
following options are allowed:
- Required:
- `width` [float range [0 ~ 1]] or [integer range [8 ~ ]]
- `height` [float range [0 ~ 1]] or [integer range [4 ~ ]]
- Optional:
- `yoffset` [float default 0.5 range [0 ~ 1]]
- `xoffset` [float default 0.5 range [0 ~ 1]]
- `relative` [boolean default v:false]
- `border` [string default `rounded`]: Border style
- `rounded` / `sharp` / `horizontal` / `vertical` / `top` / `bottom` / `left` / `right` / `no[ne]`
`fzf#wrap`
----------
We have seen that several aspects of `:FZF` command can be configured with
a set of global option variables; different ways to open files
(`g:fzf_action`), window position and size (`g:fzf_layout`), color palette
(`g:fzf_colors`), etc.
So how can we make our custom `fzf#run` calls also respect those variables?
Simply by *"wrapping"* the spec dictionary with `fzf#wrap` before passing it
to `fzf#run`.
- **`fzf#wrap([name string], [spec dict], [fullscreen bool]) -> (dict)`**
- All arguments are optional. Usually we only need to pass a spec dictionary.
- `name` is for managing history files. It is ignored if
`g:fzf_history_dir` is not defined.
- `fullscreen` can be either `0` or `1` (default: 0).
`fzf#wrap` takes a spec and returns an extended version of it (also
a dictionary) with additional options for addressing global preferences. You
can examine the return value of it like so:
```vim
echo fzf#wrap({'source': 'ls'})
```
After we *"wrap"* our spec, we pass it to `fzf#run`.
```vim
call fzf#run(fzf#wrap({'source': 'ls'}))
```
Now it supports `CTRL-T`, `CTRL-V`, and `CTRL-X` key bindings (configurable
via `g:fzf_action`) and it opens fzf window according to `g:fzf_layout`
setting.
To make it easier to use, let's define `LS` command.
```vim
command! LS call fzf#run(fzf#wrap({'source': 'ls'}))
```
Type `:LS` and see how it works.
We would like to make `:LS!` (bang version) open fzf in fullscreen, just like
`:FZF!`. Add `-bang` to command definition, and use `<bang>` value to set
the last `fullscreen` argument of `fzf#wrap` (see `:help <bang>`).
```vim
" On :LS!, <bang> evaluates to '!', and '!0' becomes 1
command! -bang LS call fzf#run(fzf#wrap({'source': 'ls'}, <bang>0))
```
Our `:LS` command will be much more useful if we can pass a directory argument
to it, so that something like `:LS /tmp` is possible.
```vim
command! -bang -complete=dir -nargs=? LS
\ call fzf#run(fzf#wrap({'source': 'ls', 'dir': <q-args>}, <bang>0))
```
Lastly, if you have enabled `g:fzf_history_dir`, you might want to assign
a unique name to our command and pass it as the first argument to `fzf#wrap`.
```vim
" The query history for this command will be stored as 'ls' inside g:fzf_history_dir.
" The name is ignored if g:fzf_history_dir is not defined.
command! -bang -complete=dir -nargs=? LS
\ call fzf#run(fzf#wrap('ls', {'source': 'ls', 'dir': <q-args>}, <bang>0))
```
### Global options supported by `fzf#wrap`
- `g:fzf_layout`
- `g:fzf_action`
- **Works only when no custom `sink` (or `sinklist`) is provided**
- Having custom sink usually means that each entry is not an ordinary
file path (e.g. name of color scheme), so we can't blindly apply the
same strategy (i.e. `tabedit some-color-scheme` doesn't make sense)
- `g:fzf_colors`
- `g:fzf_history_dir`
Tips
----
### fzf inside terminal buffer
On the latest versions of Vim and Neovim, fzf will start in a terminal buffer.
If you find the default ANSI colors to be different, consider configuring the
colors using `g:terminal_ansi_colors` in regular Vim or `g:terminal_color_x`
in Neovim.
```vim
" Terminal colors for seoul256 color scheme
if has('nvim')
let g:terminal_color_0 = '#4e4e4e'
let g:terminal_color_1 = '#d68787'
let g:terminal_color_2 = '#5f865f'
let g:terminal_color_3 = '#d8af5f'
let g:terminal_color_4 = '#85add4'
let g:terminal_color_5 = '#d7afaf'
let g:terminal_color_6 = '#87afaf'
let g:terminal_color_7 = '#d0d0d0'
let g:terminal_color_8 = '#626262'
let g:terminal_color_9 = '#d75f87'
let g:terminal_color_10 = '#87af87'
let g:terminal_color_11 = '#ffd787'
let g:terminal_color_12 = '#add4fb'
let g:terminal_color_13 = '#ffafaf'
let g:terminal_color_14 = '#87d7d7'
let g:terminal_color_15 = '#e4e4e4'
else
let g:terminal_ansi_colors = [
\ '#4e4e4e', '#d68787', '#5f865f', '#d8af5f',
\ '#85add4', '#d7afaf', '#87afaf', '#d0d0d0',
\ '#626262', '#d75f87', '#87af87', '#ffd787',
\ '#add4fb', '#ffafaf', '#87d7d7', '#e4e4e4'
\ ]
endif
```
### Starting fzf in a popup window
```vim
" Required:
" - width [float range [0 ~ 1]] or [integer range [8 ~ ]]
" - height [float range [0 ~ 1]] or [integer range [4 ~ ]]
"
" Optional:
" - xoffset [float default 0.5 range [0 ~ 1]]
" - yoffset [float default 0.5 range [0 ~ 1]]
" - relative [boolean default v:false]
" - border [string default 'rounded']: Border style
" - 'rounded' / 'sharp' / 'horizontal' / 'vertical' / 'top' / 'bottom' / 'left' / 'right'
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6 } }
```
Alternatively, you can make fzf open in a tmux popup window (requires tmux 3.2
or above) by putting fzf-tmux options in `tmux` key.
```vim
" See `man fzf-tmux` for available options
if exists('$TMUX')
let g:fzf_layout = { 'tmux': '-p90%,60%' }
else
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6 } }
endif
```
### Hide statusline
When fzf starts in a terminal buffer, the file type of the buffer is set to
`fzf`. So you can set up `FileType fzf` autocmd to customize the settings of
the window.
For example, if you open fzf on the bottom on the screen (e.g. `{'down':
'40%'}`), you might want to temporarily disable the statusline for a cleaner
look.
```vim
let g:fzf_layout = { 'down': '30%' }
autocmd! FileType fzf
autocmd FileType fzf set laststatus=0 noshowmode noruler
\| autocmd BufLeave <buffer> set laststatus=2 showmode ruler
```
[License](LICENSE)
------------------
The MIT License (MIT)
Copyright (c) 2013-2021 Junegunn Choi

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<img src="https://raw.githubusercontent.com/junegunn/i/master/fzf.png" height="170" alt="fzf - a command-line fuzzy finder"> [![github-actions](https://github.com/junegunn/fzf/workflows/Test%20fzf%20on%20Linux/badge.svg)](https://github.com/junegunn/fzf/actions)
===
fzf is a general-purpose command-line fuzzy finder.
<img src="https://raw.githubusercontent.com/junegunn/i/master/fzf-preview.png" width=640>
It's an interactive Unix filter for command-line that can be used with any
list; files, command history, processes, hostnames, bookmarks, git commits,
etc.
Pros
----
- Portable, no dependencies
- Blazingly fast
- The most comprehensive feature set
- Flexible layout
- Batteries included
- Vim/Neovim plugin, key bindings, and fuzzy auto-completion
Table of Contents
-----------------
<!-- vim-markdown-toc GFM -->
* [Installation](#installation)
* [Using Homebrew](#using-homebrew)
* [Using git](#using-git)
* [Using Linux package managers](#using-linux-package-managers)
* [Windows](#windows)
* [As Vim plugin](#as-vim-plugin)
* [Upgrading fzf](#upgrading-fzf)
* [Building fzf](#building-fzf)
* [Usage](#usage)
* [Using the finder](#using-the-finder)
* [Layout](#layout)
* [Search syntax](#search-syntax)
* [Environment variables](#environment-variables)
* [Options](#options)
* [Demo](#demo)
* [Examples](#examples)
* [`fzf-tmux` script](#fzf-tmux-script)
* [Key bindings for command-line](#key-bindings-for-command-line)
* [Fuzzy completion for bash and zsh](#fuzzy-completion-for-bash-and-zsh)
* [Files and directories](#files-and-directories)
* [Process IDs](#process-ids)
* [Host names](#host-names)
* [Environment variables / Aliases](#environment-variables--aliases)
* [Settings](#settings)
* [Supported commands](#supported-commands)
* [Custom fuzzy completion](#custom-fuzzy-completion)
* [Vim plugin](#vim-plugin)
* [Advanced topics](#advanced-topics)
* [Performance](#performance)
* [Executing external programs](#executing-external-programs)
* [Reloading the candidate list](#reloading-the-candidate-list)
* [1. Update the list of processes by pressing CTRL-R](#1-update-the-list-of-processes-by-pressing-ctrl-r)
* [2. Switch between sources by pressing CTRL-D or CTRL-F](#2-switch-between-sources-by-pressing-ctrl-d-or-ctrl-f)
* [3. Interactive ripgrep integration](#3-interactive-ripgrep-integration)
* [Preview window](#preview-window)
* [Tips](#tips)
* [Respecting `.gitignore`](#respecting-gitignore)
* [Fish shell](#fish-shell)
* [Related projects](#related-projects)
* [License](#license)
<!-- vim-markdown-toc -->
Installation
------------
fzf project consists of the following components:
- `fzf` executable
- `fzf-tmux` script for launching fzf in a tmux pane
- Shell extensions
- Key bindings (`CTRL-T`, `CTRL-R`, and `ALT-C`) (bash, zsh, fish)
- Fuzzy auto-completion (bash, zsh)
- Vim/Neovim plugin
You can [download fzf executable][bin] alone if you don't need the extra
stuff.
[bin]: https://github.com/junegunn/fzf/releases
### Using Homebrew
You can use [Homebrew](https://brew.sh/) (on macOS or Linux)
to install fzf.
```sh
brew install fzf
# To install useful key bindings and fuzzy completion:
$(brew --prefix)/opt/fzf/install
```
fzf is also available [via MacPorts][portfile]: `sudo port install fzf`
[portfile]: https://github.com/macports/macports-ports/blob/master/sysutils/fzf/Portfile
### Using git
Alternatively, you can "git clone" this repository to any directory and run
[install](https://github.com/junegunn/fzf/blob/master/install) script.
```sh
git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf
~/.fzf/install
```
### Using Linux package managers
| Package Manager | Linux Distribution | Command |
| --- | --- | --- |
| APK | Alpine Linux | `sudo apk add fzf` |
| APT | Debian 9+/Ubuntu 19.10+ | `sudo apt-get install fzf` |
| Conda | | `conda install -c conda-forge fzf` |
| DNF | Fedora | `sudo dnf install fzf` |
| Nix | NixOS, etc. | `nix-env -iA nixpkgs.fzf` |
| Pacman | Arch Linux | `sudo pacman -S fzf` |
| pkg | FreeBSD | `pkg install fzf` |
| pkgin | NetBSD | `pkgin install fzf` |
| pkg_add | OpenBSD | `pkg_add fzf` |
| XBPS | Void Linux | `sudo xbps-install -S fzf` |
| Zypper | openSUSE | `sudo zypper install fzf` |
> :warning: **Key bindings (CTRL-T / CTRL-R / ALT-C) and fuzzy auto-completion
> may not be enabled by default.**
>
> Refer to the package documentation for more information. (e.g. `apt-cache show fzf`)
[![Packaging status](https://repology.org/badge/vertical-allrepos/fzf.svg)](https://repology.org/project/fzf/versions)
### Windows
Pre-built binaries for Windows can be downloaded [here][bin]. fzf is also
available via [Chocolatey][choco] and [Scoop][scoop]:
| Package manager | Command |
| --- | --- |
| Chocolatey | `choco install fzf` |
| Scoop | `scoop install fzf` |
[choco]: https://chocolatey.org/packages/fzf
[scoop]: https://github.com/ScoopInstaller/Main/blob/master/bucket/fzf.json
Known issues and limitations on Windows can be found on [the wiki
page][windows-wiki].
[windows-wiki]: https://github.com/junegunn/fzf/wiki/Windows
### As Vim plugin
If you use
[vim-plug](https://github.com/junegunn/vim-plug), add this line to your Vim
configuration file:
```vim
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
```
`fzf#install()` makes sure that you have the latest binary, but it's optional,
so you can omit it if you use a plugin manager that doesn't support hooks.
For more installation options, see [README-VIM.md](README-VIM.md).
Upgrading fzf
-------------
fzf is being actively developed, and you might want to upgrade it once in a
while. Please follow the instruction below depending on the installation
method used.
- git: `cd ~/.fzf && git pull && ./install`
- brew: `brew update; brew upgrade fzf`
- macports: `sudo port upgrade fzf`
- chocolatey: `choco upgrade fzf`
- vim-plug: `:PlugUpdate fzf`
Building fzf
------------
See [BUILD.md](BUILD.md).
Usage
-----
fzf will launch interactive finder, read the list from STDIN, and write the
selected item to STDOUT.
```sh
find * -type f | fzf > selected
```
Without STDIN pipe, fzf will use find command to fetch the list of
files excluding hidden ones. (You can override the default command with
`FZF_DEFAULT_COMMAND`)
```sh
vim $(fzf)
```
#### Using the finder
- `CTRL-K` / `CTRL-J` (or `CTRL-P` / `CTRL-N`) to move cursor up and down
- `Enter` key to select the item, `CTRL-C` / `CTRL-G` / `ESC` to exit
- On multi-select mode (`-m`), `TAB` and `Shift-TAB` to mark multiple items
- Emacs style key bindings
- Mouse: scroll, click, double-click; shift-click and shift-scroll on
multi-select mode
#### Layout
fzf by default starts in fullscreen mode, but you can make it start below the
cursor with `--height` option.
```sh
vim $(fzf --height 40%)
```
Also, check out `--reverse` and `--layout` options if you prefer
"top-down" layout instead of the default "bottom-up" layout.
```sh
vim $(fzf --height 40% --reverse)
```
You can add these options to `$FZF_DEFAULT_OPTS` so that they're applied by
default. For example,
```sh
export FZF_DEFAULT_OPTS='--height 40% --layout=reverse --border'
```
#### Search syntax
Unless otherwise specified, fzf starts in "extended-search mode" where you can
type in multiple search terms delimited by spaces. e.g. `^music .mp3$ sbtrkt
!fire`
| Token | Match type | Description |
| --------- | -------------------------- | ------------------------------------ |
| `sbtrkt` | fuzzy-match | Items that match `sbtrkt` |
| `'wild` | exact-match (quoted) | Items that include `wild` |
| `^music` | prefix-exact-match | Items that start with `music` |
| `.mp3$` | suffix-exact-match | Items that end with `.mp3` |
| `!fire` | inverse-exact-match | Items that do not include `fire` |
| `!^music` | inverse-prefix-exact-match | Items that do not start with `music` |
| `!.mp3$` | inverse-suffix-exact-match | Items that do not end with `.mp3` |
If you don't prefer fuzzy matching and do not wish to "quote" every word,
start fzf with `-e` or `--exact` option. Note that when `--exact` is set,
`'`-prefix "unquotes" the term.
A single bar character term acts as an OR operator. For example, the following
query matches entries that start with `core` and end with either `go`, `rb`,
or `py`.
```
^core go$ | rb$ | py$
```
#### Environment variables
- `FZF_DEFAULT_COMMAND`
- Default command to use when input is tty
- e.g. `export FZF_DEFAULT_COMMAND='fd --type f'`
- > :warning: This variable is not used by shell extensions due to the
> slight difference in requirements.
>
> (e.g. `CTRL-T` runs `$FZF_CTRL_T_COMMAND` instead, `vim **<tab>` runs
> `_fzf_compgen_path()`, and `cd **<tab>` runs `_fzf_compgen_dir()`)
>
> The available options are described later in this document.
- `FZF_DEFAULT_OPTS`
- Default options
- e.g. `export FZF_DEFAULT_OPTS="--layout=reverse --inline-info"`
#### Options
See the man page (`man fzf`) for the full list of options.
#### Demo
If you learn by watching videos, check out this screencast by [@samoshkin](https://github.com/samoshkin) to explore `fzf` features.
<a title="fzf - command-line fuzzy finder" href="https://www.youtube.com/watch?v=qgG5Jhi_Els">
<img src="https://i.imgur.com/vtG8olE.png" width="640">
</a>
Examples
--------
* [Wiki page of examples](https://github.com/junegunn/fzf/wiki/examples)
* *Disclaimer: The examples on this page are maintained by the community
and are not thoroughly tested*
* [Advanced fzf examples](https://github.com/junegunn/fzf/blob/master/ADVANCED.md)
`fzf-tmux` script
-----------------
[fzf-tmux](bin/fzf-tmux) is a bash script that opens fzf in a tmux pane.
```sh
# usage: fzf-tmux [LAYOUT OPTIONS] [--] [FZF OPTIONS]
# See available options
fzf-tmux --help
# select git branches in horizontal split below (15 lines)
git branch | fzf-tmux -d 15
# select multiple words in vertical split on the left (20% of screen width)
cat /usr/share/dict/words | fzf-tmux -l 20% --multi --reverse
```
It will still work even when you're not on tmux, silently ignoring `-[pudlr]`
options, so you can invariably use `fzf-tmux` in your scripts.
Alternatively, you can use `--height HEIGHT[%]` option not to start fzf in
fullscreen mode.
```sh
fzf --height 40%
```
Key bindings for command-line
-----------------------------
The install script will setup the following key bindings for bash, zsh, and
fish.
- `CTRL-T` - Paste the selected files and directories onto the command-line
- Set `FZF_CTRL_T_COMMAND` to override the default command
- Set `FZF_CTRL_T_OPTS` to pass additional options
- `CTRL-R` - Paste the selected command from history onto the command-line
- If you want to see the commands in chronological order, press `CTRL-R`
again which toggles sorting by relevance
- Set `FZF_CTRL_R_OPTS` to pass additional options
- `ALT-C` - cd into the selected directory
- Set `FZF_ALT_C_COMMAND` to override the default command
- Set `FZF_ALT_C_OPTS` to pass additional options
If you're on a tmux session, you can start fzf in a tmux split-pane or in
a tmux popup window by setting `FZF_TMUX_OPTS` (e.g. `-d 40%`).
See `fzf-tmux --help` for available options.
More tips can be found on [the wiki page](https://github.com/junegunn/fzf/wiki/Configuring-shell-key-bindings).
Fuzzy completion for bash and zsh
---------------------------------
#### Files and directories
Fuzzy completion for files and directories can be triggered if the word before
the cursor ends with the trigger sequence, which is by default `**`.
- `COMMAND [DIRECTORY/][FUZZY_PATTERN]**<TAB>`
```sh
# Files under the current directory
# - You can select multiple items with TAB key
vim **<TAB>
# Files under parent directory
vim ../**<TAB>
# Files under parent directory that match `fzf`
vim ../fzf**<TAB>
# Files under your home directory
vim ~/**<TAB>
# Directories under current directory (single-selection)
cd **<TAB>
# Directories under ~/github that match `fzf`
cd ~/github/fzf**<TAB>
```
#### Process IDs
Fuzzy completion for PIDs is provided for kill command. In this case,
there is no trigger sequence; just press the tab key after the kill command.
```sh
# Can select multiple processes with <TAB> or <Shift-TAB> keys
kill -9 <TAB>
```
#### Host names
For ssh and telnet commands, fuzzy completion for hostnames is provided. The
names are extracted from /etc/hosts and ~/.ssh/config.
```sh
ssh **<TAB>
telnet **<TAB>
```
#### Environment variables / Aliases
```sh
unset **<TAB>
export **<TAB>
unalias **<TAB>
```
#### Settings
```sh
# Use ~~ as the trigger sequence instead of the default **
export FZF_COMPLETION_TRIGGER='~~'
# Options to fzf command
export FZF_COMPLETION_OPTS='--border --info=inline'
# Use fd (https://github.com/sharkdp/fd) instead of the default find
# command for listing path candidates.
# - The first argument to the function ($1) is the base path to start traversal
# - See the source code (completion.{bash,zsh}) for the details.
_fzf_compgen_path() {
fd --hidden --follow --exclude ".git" . "$1"
}
# Use fd to generate the list for directory completion
_fzf_compgen_dir() {
fd --type d --hidden --follow --exclude ".git" . "$1"
}
# (EXPERIMENTAL) Advanced customization of fzf options via _fzf_comprun function
# - The first argument to the function is the name of the command.
# - You should make sure to pass the rest of the arguments to fzf.
_fzf_comprun() {
local command=$1
shift
case "$command" in
cd) fzf "$@" --preview 'tree -C {} | head -200' ;;
export|unset) fzf "$@" --preview "eval 'echo \$'{}" ;;
ssh) fzf "$@" --preview 'dig {}' ;;
*) fzf "$@" ;;
esac
}
```
#### Supported commands
On bash, fuzzy completion is enabled only for a predefined set of commands
(`complete | grep _fzf` to see the list). But you can enable it for other
commands as well by using `_fzf_setup_completion` helper function.
```sh
# usage: _fzf_setup_completion path|dir|var|alias|host COMMANDS...
_fzf_setup_completion path ag git kubectl
_fzf_setup_completion dir tree
```
#### Custom fuzzy completion
_**(Custom completion API is experimental and subject to change)**_
For a command named _"COMMAND"_, define `_fzf_complete_COMMAND` function using
`_fzf_complete` helper.
```sh
# Custom fuzzy completion for "doge" command
# e.g. doge **<TAB>
_fzf_complete_doge() {
_fzf_complete --multi --reverse --prompt="doge> " -- "$@" < <(
echo very
echo wow
echo such
echo doge
)
}
```
- The arguments before `--` are the options to fzf.
- After `--`, simply pass the original completion arguments unchanged (`"$@"`).
- Then, write a set of commands that generates the completion candidates and
feed its output to the function using process substitution (`< <(...)`).
zsh will automatically pick up the function using the naming convention but in
bash you have to manually associate the function with the command using the
`complete` command.
```sh
[ -n "$BASH" ] && complete -F _fzf_complete_doge -o default -o bashdefault doge
```
If you need to post-process the output from fzf, define
`_fzf_complete_COMMAND_post` as follows.
```sh
_fzf_complete_foo() {
_fzf_complete --multi --reverse --header-lines=3 -- "$@" < <(
ls -al
)
}
_fzf_complete_foo_post() {
awk '{print $NF}'
}
[ -n "$BASH" ] && complete -F _fzf_complete_foo -o default -o bashdefault foo
```
Vim plugin
----------
See [README-VIM.md](README-VIM.md).
Advanced topics
---------------
### Performance
fzf is fast and is [getting even faster][perf]. Performance should not be
a problem in most use cases. However, you might want to be aware of the
options that affect performance.
- `--ansi` tells fzf to extract and parse ANSI color codes in the input, and it
makes the initial scanning slower. So it's not recommended that you add it
to your `$FZF_DEFAULT_OPTS`.
- `--nth` makes fzf slower because it has to tokenize each line.
- `--with-nth` makes fzf slower as fzf has to tokenize and reassemble each
line.
- If you absolutely need better performance, you can consider using
`--algo=v1` (the default being `v2`) to make fzf use a faster greedy
algorithm. However, this algorithm is not guaranteed to find the optimal
ordering of the matches and is not recommended.
[perf]: https://junegunn.kr/images/fzf-0.17.0.png
### Executing external programs
You can set up key bindings for starting external processes without leaving
fzf (`execute`, `execute-silent`).
```bash
# Press F1 to open the file with less without leaving fzf
# Press CTRL-Y to copy the line to clipboard and aborts fzf (requires pbcopy)
fzf --bind 'f1:execute(less -f {}),ctrl-y:execute-silent(echo {} | pbcopy)+abort'
```
See *KEY BINDINGS* section of the man page for details.
### Reloading the candidate list
By binding `reload` action to a key or an event, you can make fzf dynamically
reload the candidate list. See https://github.com/junegunn/fzf/issues/1750 for
more details.
#### 1. Update the list of processes by pressing CTRL-R
```sh
FZF_DEFAULT_COMMAND='ps -ef' \
fzf --bind 'ctrl-r:reload($FZF_DEFAULT_COMMAND)' \
--header 'Press CTRL-R to reload' --header-lines=1 \
--height=50% --layout=reverse
```
#### 2. Switch between sources by pressing CTRL-D or CTRL-F
```sh
FZF_DEFAULT_COMMAND='find . -type f' \
fzf --bind 'ctrl-d:reload(find . -type d),ctrl-f:reload($FZF_DEFAULT_COMMAND)' \
--height=50% --layout=reverse
```
#### 3. Interactive ripgrep integration
The following example uses fzf as the selector interface for ripgrep. We bound
`reload` action to `change` event, so every time you type on fzf, the ripgrep
process will restart with the updated query string denoted by the placeholder
expression `{q}`. Also, note that we used `--disabled` option so that fzf
doesn't perform any secondary filtering.
```sh
INITIAL_QUERY=""
RG_PREFIX="rg --column --line-number --no-heading --color=always --smart-case "
FZF_DEFAULT_COMMAND="$RG_PREFIX '$INITIAL_QUERY'" \
fzf --bind "change:reload:$RG_PREFIX {q} || true" \
--ansi --disabled --query "$INITIAL_QUERY" \
--height=50% --layout=reverse
```
If ripgrep doesn't find any matches, it will exit with a non-zero exit status,
and fzf will warn you about it. To suppress the warning message, we added
`|| true` to the command, so that it always exits with 0.
See ["Using fzf as interative Ripgrep launcher"](https://github.com/junegunn/fzf/blob/master/ADVANCED.md#using-fzf-as-interative-ripgrep-launcher)
for a fuller example with preview window options.
### Preview window
When the `--preview` option is set, fzf automatically starts an external process
with the current line as the argument and shows the result in the split window.
Your `$SHELL` is used to execute the command with `$SHELL -c COMMAND`.
The window can be scrolled using the mouse or custom key bindings.
```bash
# {} is replaced with the single-quoted string of the focused line
fzf --preview 'cat {}'
```
Preview window supports ANSI colors, so you can use any program that
syntax-highlights the content of a file, such as
[Bat](https://github.com/sharkdp/bat) or
[Highlight](http://www.andre-simon.de/doku/highlight/en/highlight.php):
```bash
fzf --preview 'bat --style=numbers --color=always --line-range :500 {}'
```
You can customize the size, position, and border of the preview window using
`--preview-window` option, and the foreground and background color of it with
`--color` option. For example,
```bash
fzf --height 40% --layout reverse --info inline --border \
--preview 'file {}' --preview-window up,1,border-horizontal \
--color 'fg:#bbccdd,fg+:#ddeeff,bg:#334455,preview-bg:#223344,border:#778899'
```
See the man page (`man fzf`) for the full list of options.
For more advanced examples, see [Key bindings for git with fzf][fzf-git]
([code](https://gist.github.com/junegunn/8b572b8d4b5eddd8b85e5f4d40f17236)).
[fzf-git]: https://junegunn.kr/2016/07/fzf-git/
----
Since fzf is a general-purpose text filter rather than a file finder, **it is
not a good idea to add `--preview` option to your `$FZF_DEFAULT_OPTS`**.
```sh
# *********************
# ** DO NOT DO THIS! **
# *********************
export FZF_DEFAULT_OPTS='--preview "bat --style=numbers --color=always --line-range :500 {}"'
# bat doesn't work with any input other than the list of files
ps -ef | fzf
seq 100 | fzf
history | fzf
```
Tips
----
#### Respecting `.gitignore`
You can use [fd](https://github.com/sharkdp/fd),
[ripgrep](https://github.com/BurntSushi/ripgrep), or [the silver
searcher](https://github.com/ggreer/the_silver_searcher) instead of the
default find command to traverse the file system while respecting
`.gitignore`.
```sh
# Feed the output of fd into fzf
fd --type f | fzf
# Setting fd as the default source for fzf
export FZF_DEFAULT_COMMAND='fd --type f'
# Now fzf (w/o pipe) will use fd instead of find
fzf
# To apply the command to CTRL-T as well
export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND"
```
If you want the command to follow symbolic links and don't want it to exclude
hidden files, use the following command:
```sh
export FZF_DEFAULT_COMMAND='fd --type f --hidden --follow --exclude .git'
```
#### Fish shell
`CTRL-T` key binding of fish, unlike those of bash and zsh, will use the last
token on the command-line as the root directory for the recursive search. For
instance, hitting `CTRL-T` at the end of the following command-line
```sh
ls /var/
```
will list all files and directories under `/var/`.
When using a custom `FZF_CTRL_T_COMMAND`, use the unexpanded `$dir` variable to
make use of this feature. `$dir` defaults to `.` when the last token is not a
valid directory. Example:
```sh
set -g FZF_CTRL_T_COMMAND "command find -L \$dir -type f 2> /dev/null | sed '1d; s#^\./##'"
```
Related projects
----------------
https://github.com/junegunn/fzf/wiki/Related-projects
[License](LICENSE)
------------------
The MIT License (MIT)
Copyright (c) 2013-2021 Junegunn Choi

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#!/usr/bin/env bash
# fzf-tmux: starts fzf in a tmux pane
# usage: fzf-tmux [LAYOUT OPTIONS] [--] [FZF OPTIONS]
fail() {
>&2 echo "$1"
exit 2
}
fzf="$(command -v fzf 2> /dev/null)" || fzf="$(dirname "$0")/fzf"
[[ -x "$fzf" ]] || fail 'fzf executable not found'
tmux_args=()
args=()
opt=""
skip=""
swap=""
close=""
term=""
[[ -n "$LINES" ]] && lines=$LINES || lines=$(tput lines) || lines=$(tmux display-message -p "#{pane_height}")
[[ -n "$COLUMNS" ]] && columns=$COLUMNS || columns=$(tput cols) || columns=$(tmux display-message -p "#{pane_width}")
help() {
>&2 echo 'usage: fzf-tmux [LAYOUT OPTIONS] [--] [FZF OPTIONS]
LAYOUT OPTIONS:
(default layout: -d 50%)
Popup window (requires tmux 3.2 or above):
-p [WIDTH[%][,HEIGHT[%]]] (default: 50%)
-w WIDTH[%]
-h HEIGHT[%]
-x COL
-y ROW
Split pane:
-u [HEIGHT[%]] Split above (up)
-d [HEIGHT[%]] Split below (down)
-l [WIDTH[%]] Split left
-r [WIDTH[%]] Split right
'
exit
}
while [[ $# -gt 0 ]]; do
arg="$1"
shift
[[ -z "$skip" ]] && case "$arg" in
-)
term=1
;;
--help)
help
;;
--version)
echo "fzf-tmux (with fzf $("$fzf" --version))"
exit
;;
-p*|-w*|-h*|-x*|-y*|-d*|-u*|-r*|-l*)
if [[ "$arg" =~ ^-[pwhxy] ]]; then
[[ "$opt" =~ "-K -E" ]] || opt="-K -E"
elif [[ "$arg" =~ ^.[lr] ]]; then
opt="-h"
if [[ "$arg" =~ ^.l ]]; then
opt="$opt -d"
swap="; swap-pane -D ; select-pane -L"
close="; tmux swap-pane -D"
fi
else
opt=""
if [[ "$arg" =~ ^.u ]]; then
opt="$opt -d"
swap="; swap-pane -D ; select-pane -U"
close="; tmux swap-pane -D"
fi
fi
if [[ ${#arg} -gt 2 ]]; then
size="${arg:2}"
else
if [[ "$1" =~ ^[0-9%,]+$ ]] || [[ "$1" =~ ^[A-Z]$ ]]; then
size="$1"
shift
else
continue
fi
fi
if [[ "$arg" =~ ^-p ]]; then
if [[ -n "$size" ]]; then
w=${size%%,*}
h=${size##*,}
opt="$opt -w$w -h$h"
fi
elif [[ "$arg" =~ ^-[whxy] ]]; then
opt="$opt ${arg:0:2}$size"
elif [[ "$size" =~ %$ ]]; then
size=${size:0:((${#size}-1))}
if [[ -n "$swap" ]]; then
opt="$opt -p $(( 100 - size ))"
else
opt="$opt -p $size"
fi
else
if [[ -n "$swap" ]]; then
if [[ "$arg" =~ ^.l ]]; then
max=$columns
else
max=$lines
fi
size=$(( max - size ))
[[ $size -lt 0 ]] && size=0
opt="$opt -l $size"
else
opt="$opt -l $size"
fi
fi
;;
--)
# "--" can be used to separate fzf-tmux options from fzf options to
# avoid conflicts
skip=1
tmux_args=("${args[@]}")
args=()
continue
;;
*)
args+=("$arg")
;;
esac
[[ -n "$skip" ]] && args+=("$arg")
done
if [[ -z "$TMUX" ]]; then
"$fzf" "${args[@]}"
exit $?
fi
# --height option is not allowed. CTRL-Z is also disabled.
args=("${args[@]}" "--no-height" "--bind=ctrl-z:ignore")
# Handle zoomed tmux pane without popup options by moving it to a temp window
if [[ ! "$opt" =~ "-K -E" ]] && tmux list-panes -F '#F' | grep -q Z; then
zoomed_without_popup=1
original_window=$(tmux display-message -p "#{window_id}")
tmp_window=$(tmux new-window -d -P -F "#{window_id}" "bash -c 'while :; do for c in \\| / - '\\;' do sleep 0.2; printf \"\\r\$c fzf-tmux is running\\r\"; done; done'")
tmux swap-pane -t $tmp_window \; select-window -t $tmp_window
fi
set -e
# Clean up named pipes on exit
id=$RANDOM
argsf="${TMPDIR:-/tmp}/fzf-args-$id"
fifo1="${TMPDIR:-/tmp}/fzf-fifo1-$id"
fifo2="${TMPDIR:-/tmp}/fzf-fifo2-$id"
fifo3="${TMPDIR:-/tmp}/fzf-fifo3-$id"
tmux_win_opts=( $(tmux show-window-options remain-on-exit \; show-window-options synchronize-panes | sed '/ off/d; s/^/set-window-option /; s/$/ \\;/') )
cleanup() {
\rm -f $argsf $fifo1 $fifo2 $fifo3
# Restore tmux window options
if [[ "${#tmux_win_opts[@]}" -gt 0 ]]; then
eval "tmux ${tmux_win_opts[*]}"
fi
# Remove temp window if we were zoomed without popup options
if [[ -n "$zoomed_without_popup" ]]; then
tmux display-message -p "#{window_id}" > /dev/null
tmux swap-pane -t $original_window \; \
select-window -t $original_window \; \
kill-window -t $tmp_window \; \
resize-pane -Z
fi
if [[ $# -gt 0 ]]; then
trap - EXIT
exit 130
fi
}
trap 'cleanup 1' SIGUSR1
trap 'cleanup' EXIT
envs="export TERM=$TERM "
[[ "$opt" =~ "-K -E" ]] && FZF_DEFAULT_OPTS="--margin 0,1 $FZF_DEFAULT_OPTS"
[[ -n "$FZF_DEFAULT_OPTS" ]] && envs="$envs FZF_DEFAULT_OPTS=$(printf %q "$FZF_DEFAULT_OPTS")"
[[ -n "$FZF_DEFAULT_COMMAND" ]] && envs="$envs FZF_DEFAULT_COMMAND=$(printf %q "$FZF_DEFAULT_COMMAND")"
echo "$envs;" > "$argsf"
# Build arguments to fzf
opts=$(printf "%q " "${args[@]}")
pppid=$$
echo -n "trap 'kill -SIGUSR1 -$pppid' EXIT SIGINT SIGTERM;" >> $argsf
close="; trap - EXIT SIGINT SIGTERM $close"
export TMUX=$(cut -d , -f 1,2 <<< "$TMUX")
mkfifo -m o+w $fifo2
if [[ "$opt" =~ "-K -E" ]]; then
cat $fifo2 &
if [[ -n "$term" ]] || [[ -t 0 ]]; then
cat <<< "\"$fzf\" $opts > $fifo2; out=\$? $close; exit \$out" >> $argsf
else
mkfifo $fifo1
cat <<< "\"$fzf\" $opts < $fifo1 > $fifo2; out=\$? $close; exit \$out" >> $argsf
cat <&0 > $fifo1 &
fi
# tmux dropped the support for `-K`, `-R` to popup command
# TODO: We can remove this once tmux 3.2 is released
if [[ ! "$(tmux popup --help 2>&1)" =~ '-R shell-command' ]]; then
opt="${opt/-K/}"
else
opt="${opt} -R"
fi
tmux popup -d "$PWD" "${tmux_args[@]}" $opt "bash $argsf" > /dev/null 2>&1
exit $?
fi
mkfifo -m o+w $fifo3
if [[ -n "$term" ]] || [[ -t 0 ]]; then
cat <<< "\"$fzf\" $opts > $fifo2; echo \$? > $fifo3 $close" >> $argsf
else
mkfifo $fifo1
cat <<< "\"$fzf\" $opts < $fifo1 > $fifo2; echo \$? > $fifo3 $close" >> $argsf
cat <&0 > $fifo1 &
fi
tmux set-window-option synchronize-panes off \;\
set-window-option remain-on-exit off \;\
split-window -c "$PWD" $opt "${tmux_args[@]}" "bash -c 'exec -a fzf bash $argsf'" $swap \
> /dev/null 2>&1 || { "$fzf" "${args[@]}"; exit $?; }
cat $fifo2
exit "$(cat $fifo3)"

512
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fzf.txt fzf Last change: May 19 2021
FZF - TABLE OF CONTENTS *fzf* *fzf-toc*
==============================================================================
FZF Vim integration |fzf-vim-integration|
Installation |fzf-installation|
Summary |fzf-summary|
:FZF[!] |:FZF|
Configuration |fzf-configuration|
Examples |fzf-examples|
Explanation of g:fzf_colors |fzf-explanation-of-gfzfcolors|
fzf#run |fzf#run|
fzf#wrap |fzf#wrap|
Global options supported by fzf#wrap |fzf-global-options-supported-by-fzf#wrap|
Tips |fzf-tips|
fzf inside terminal buffer |fzf-inside-terminal-buffer|
Starting fzf in a popup window |fzf-starting-fzf-in-a-popup-window|
Hide statusline |fzf-hide-statusline|
License |fzf-license|
FZF VIM INTEGRATION *fzf-vim-integration*
==============================================================================
INSTALLATION *fzf-installation*
==============================================================================
Once you have fzf installed, you can enable it inside Vim simply by adding the
directory to 'runtimepath' in your Vim configuration file. The path may differ
depending on the package manager.
>
" If installed using Homebrew
set rtp+=/usr/local/opt/fzf
" If installed using git
set rtp+=~/.fzf
<
If you use {vim-plug}{1}, the same can be written as:
>
" If installed using Homebrew
Plug '/usr/local/opt/fzf'
" If installed using git
Plug '~/.fzf'
<
But if you want the latest Vim plugin file from GitHub rather than the one
included in the package, write:
>
Plug 'junegunn/fzf'
<
The Vim plugin will pick up fzf binary available on the system. If fzf is not
found on `$PATH`, it will ask you if it should download the latest binary for
you.
To make sure that you have the latest version of the binary, set up
post-update hook like so:
*fzf#install*
>
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
<
{1} https://github.com/junegunn/vim-plug
SUMMARY *fzf-summary*
==============================================================================
The Vim plugin of fzf provides two core functions, and `:FZF` command which is
the basic file selector command built on top of them.
1. `fzf#run([spec dict])`
- Starts fzf inside Vim with the given spec
- `:call fzf#run({'source': 'ls'})`
2. `fzf#wrap([spec dict]) -> (dict)`
- Takes a spec for `fzf#run` and returns an extended version of it with
additional options for addressing global preferences (`g:fzf_xxx`)
- `:echo fzf#wrap({'source': 'ls'})`
- We usually wrap a spec with `fzf#wrap` before passing it to `fzf#run`
- `:call fzf#run(fzf#wrap({'source': 'ls'}))`
3. `:FZF [fzf_options string] [path string]`
- Basic fuzzy file selector
- A reference implementation for those who don't want to write VimScript to
implement custom commands
- If you're looking for more such commands, check out {fzf.vim}{2} project.
The most important of all is `fzf#run`, but it would be easier to understand
the whole if we start off with `:FZF` command.
{2} https://github.com/junegunn/fzf.vim
:FZF[!]
==============================================================================
*:FZF*
>
" Look for files under current directory
:FZF
" Look for files under your home directory
:FZF ~
" With fzf command-line options
:FZF --reverse --info=inline /tmp
" Bang version starts fzf in fullscreen mode
:FZF!
<
Similarly to {ctrlp.vim}{3}, use enter key, CTRL-T, CTRL-X or CTRL-V to open
selected files in the current window, in new tabs, in horizontal splits, or in
vertical splits respectively.
Note that the environment variables `FZF_DEFAULT_COMMAND` and
`FZF_DEFAULT_OPTS` also apply here.
{3} https://github.com/kien/ctrlp.vim
< Configuration >_____________________________________________________________~
*fzf-configuration*
*g:fzf_action* *g:fzf_layout* *g:fzf_colors* *g:fzf_history_dir*
- `g:fzf_action`
- Customizable extra key bindings for opening selected files in different
ways
- `g:fzf_layout`
- Determines the size and position of fzf window
- `g:fzf_colors`
- Customizes fzf colors to match the current color scheme
- `g:fzf_history_dir`
- Enables history feature
Examples~
*fzf-examples*
>
" This is the default extra key bindings
let g:fzf_action = {
\ 'ctrl-t': 'tab split',
\ 'ctrl-x': 'split',
\ 'ctrl-v': 'vsplit' }
" An action can be a reference to a function that processes selected lines
function! s:build_quickfix_list(lines)
call setqflist(map(copy(a:lines), '{ "filename": v:val }'))
copen
cc
endfunction
let g:fzf_action = {
\ 'ctrl-q': function('s:build_quickfix_list'),
\ 'ctrl-t': 'tab split',
\ 'ctrl-x': 'split',
\ 'ctrl-v': 'vsplit' }
" Default fzf layout
" - Popup window (center of the screen)
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6 } }
" - Popup window (center of the current window)
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6, 'relative': v:true } }
" - Popup window (anchored to the bottom of the current window)
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6, 'relative': v:true, 'yoffset': 1.0 } }
" - down / up / left / right
let g:fzf_layout = { 'down': '40%' }
" - Window using a Vim command
let g:fzf_layout = { 'window': 'enew' }
let g:fzf_layout = { 'window': '-tabnew' }
let g:fzf_layout = { 'window': '10new' }
" Customize fzf colors to match your color scheme
" - fzf#wrap translates this to a set of `--color` options
let g:fzf_colors =
\ { 'fg': ['fg', 'Normal'],
\ 'bg': ['bg', 'Normal'],
\ 'hl': ['fg', 'Comment'],
\ 'fg+': ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
\ 'bg+': ['bg', 'CursorLine', 'CursorColumn'],
\ 'hl+': ['fg', 'Statement'],
\ 'info': ['fg', 'PreProc'],
\ 'border': ['fg', 'Ignore'],
\ 'prompt': ['fg', 'Conditional'],
\ 'pointer': ['fg', 'Exception'],
\ 'marker': ['fg', 'Keyword'],
\ 'spinner': ['fg', 'Label'],
\ 'header': ['fg', 'Comment'] }
" Enable per-command history
" - History files will be stored in the specified directory
" - When set, CTRL-N and CTRL-P will be bound to 'next-history' and
" 'previous-history' instead of 'down' and 'up'.
let g:fzf_history_dir = '~/.local/share/fzf-history'
<
Explanation of g:fzf_colors~
*fzf-explanation-of-gfzfcolors*
`g:fzf_colors` is a dictionary mapping fzf elements to a color specification
list:
>
element: [ component, group1 [, group2, ...] ]
<
- `element` is an fzf element to apply a color to:
----------------------------+------------------------------------------------------
Element | Description ~
----------------------------+------------------------------------------------------
`fg` / `bg` / `hl` | Item (foreground / background / highlight)
`fg+` / `bg+` / `hl+` | Current item (foreground / background / highlight)
`preview-fg` / `preview-bg` | Preview window text and background
`hl` / `hl+` | Highlighted substrings (normal / current)
`gutter` | Background of the gutter on the left
`pointer` | Pointer to the current line ( `>` )
`marker` | Multi-select marker ( `>` )
`border` | Border around the window ( `--border` and `--preview` )
`header` | Header ( `--header` or `--header-lines` )
`info` | Info line (match counters)
`spinner` | Streaming input indicator
`query` | Query string
`disabled` | Query string when search is disabled
`prompt` | Prompt before query ( `> ` )
`pointer` | Pointer to the current line ( `>` )
----------------------------+------------------------------------------------------
- `component` specifies the component (`fg` / `bg`) from which to extract the
color when considering each of the following highlight groups
- `group1 [, group2, ...]` is a list of highlight groups that are searched (in
order) for a matching color definition
For example, consider the following specification:
>
'prompt': ['fg', 'Conditional', 'Comment'],
<
This means we color the prompt - using the `fg` attribute of the `Conditional`
if it exists, - otherwise use the `fg` attribute of the `Comment` highlight
group if it exists, - otherwise fall back to the default color settings for
the prompt.
You can examine the color option generated according the setting by printing
the result of `fzf#wrap()` function like so:
>
:echo fzf#wrap()
<
FZF#RUN
==============================================================================
*fzf#run*
`fzf#run()` function is the core of Vim integration. It takes a single
dictionary argument, a spec, and starts fzf process accordingly. At the very
least, specify `sink` option to tell what it should do with the selected
entry.
>
call fzf#run({'sink': 'e'})
<
We haven't specified the `source`, so this is equivalent to starting fzf on
command line without standard input pipe; fzf will use find command (or
`$FZF_DEFAULT_COMMAND` if defined) to list the files under the current
directory. When you select one, it will open it with the sink, `:e` command.
If you want to open it in a new tab, you can pass `:tabedit` command instead
as the sink.
>
call fzf#run({'sink': 'tabedit'})
<
Instead of using the default find command, you can use any shell command as
the source. The following example will list the files managed by git. It's
equivalent to running `git ls-files | fzf` on shell.
>
call fzf#run({'source': 'git ls-files', 'sink': 'e'})
<
fzf options can be specified as `options` entry in spec dictionary.
>
call fzf#run({'sink': 'tabedit', 'options': '--multi --reverse'})
<
You can also pass a layout option if you don't want fzf window to take up the
entire screen.
>
" up / down / left / right / window are allowed
call fzf#run({'source': 'git ls-files', 'sink': 'e', 'left': '40%'})
call fzf#run({'source': 'git ls-files', 'sink': 'e', 'window': '30vnew'})
<
`source` doesn't have to be an external shell command, you can pass a Vim
array as the source. In the next example, we pass the names of color schemes
as the source to implement a color scheme selector.
>
call fzf#run({'source': map(split(globpath(&rtp, 'colors/*.vim')),
\ 'fnamemodify(v:val, ":t:r")'),
\ 'sink': 'colo', 'left': '25%'})
<
The following table summarizes the available options.
---------------------------+---------------+----------------------------------------------------------------------
Option name | Type | Description ~
---------------------------+---------------+----------------------------------------------------------------------
`source` | string | External command to generate input to fzf (e.g. `find .` )
`source` | list | Vim list as input to fzf
`sink` | string | Vim command to handle the selected item (e.g. `e` , `tabe` )
`sink` | funcref | Reference to function to process each selected item
`sinklist` (or `sink*` ) | funcref | Similar to `sink` , but takes the list of output lines at once
`options` | string/list | Options to fzf
`dir` | string | Working directory
`up` / `down` / `left` / `right` | number/string | (Layout) Window position and size (e.g. `20` , `50%` )
`tmux` | string | (Layout) fzf-tmux options (e.g. `-p90%,60%` )
`window` (Vim 8 / Neovim) | string | (Layout) Command to open fzf window (e.g. `vertical aboveleft 30new` )
`window` (Vim 8 / Neovim) | dict | (Layout) Popup window settings (e.g. `{'width': 0.9, 'height': 0.6}` )
---------------------------+---------------+----------------------------------------------------------------------
`options` entry can be either a string or a list. For simple cases, string
should suffice, but prefer to use list type to avoid escaping issues.
>
call fzf#run({'options': '--reverse --prompt "C:\\Program Files\\"'})
call fzf#run({'options': ['--reverse', '--prompt', 'C:\Program Files\']})
<
When `window` entry is a dictionary, fzf will start in a popup window. The
following options are allowed:
- Required:
- `width` [float range [0 ~ 1]] or [integer range [8 ~ ]]
- `height` [float range [0 ~ 1]] or [integer range [4 ~ ]]
- Optional:
- `yoffset` [float default 0.5 range [0 ~ 1]]
- `xoffset` [float default 0.5 range [0 ~ 1]]
- `relative` [boolean default v:false]
- `border` [string default `rounded`]: Border style
- `rounded` / `sharp` / `horizontal` / `vertical` / `top` / `bottom` / `left` / `right` / `no[ne]`
FZF#WRAP
==============================================================================
*fzf#wrap*
We have seen that several aspects of `:FZF` command can be configured with a
set of global option variables; different ways to open files (`g:fzf_action`),
window position and size (`g:fzf_layout`), color palette (`g:fzf_colors`),
etc.
So how can we make our custom `fzf#run` calls also respect those variables?
Simply by "wrapping" the spec dictionary with `fzf#wrap` before passing it to
`fzf#run`.
- `fzf#wrap([name string], [spec dict], [fullscreen bool]) -> (dict)`
- All arguments are optional. Usually we only need to pass a spec
dictionary.
- `name` is for managing history files. It is ignored if `g:fzf_history_dir`
is not defined.
- `fullscreen` can be either `0` or `1` (default: 0).
`fzf#wrap` takes a spec and returns an extended version of it (also a
dictionary) with additional options for addressing global preferences. You can
examine the return value of it like so:
>
echo fzf#wrap({'source': 'ls'})
<
After we "wrap" our spec, we pass it to `fzf#run`.
>
call fzf#run(fzf#wrap({'source': 'ls'}))
<
Now it supports CTRL-T, CTRL-V, and CTRL-X key bindings (configurable via
`g:fzf_action`) and it opens fzf window according to `g:fzf_layout` setting.
To make it easier to use, let's define `LS` command.
>
command! LS call fzf#run(fzf#wrap({'source': 'ls'}))
<
Type `:LS` and see how it works.
We would like to make `:LS!` (bang version) open fzf in fullscreen, just like
`:FZF!`. Add `-bang` to command definition, and use <bang> value to set the
last `fullscreen` argument of `fzf#wrap` (see :help <bang>).
>
" On :LS!, <bang> evaluates to '!', and '!0' becomes 1
command! -bang LS call fzf#run(fzf#wrap({'source': 'ls'}, <bang>0))
<
Our `:LS` command will be much more useful if we can pass a directory argument
to it, so that something like `:LS /tmp` is possible.
>
command! -bang -complete=dir -nargs=? LS
\ call fzf#run(fzf#wrap({'source': 'ls', 'dir': <q-args>}, <bang>0))
<
Lastly, if you have enabled `g:fzf_history_dir`, you might want to assign a
unique name to our command and pass it as the first argument to `fzf#wrap`.
>
" The query history for this command will be stored as 'ls' inside g:fzf_history_dir.
" The name is ignored if g:fzf_history_dir is not defined.
command! -bang -complete=dir -nargs=? LS
\ call fzf#run(fzf#wrap('ls', {'source': 'ls', 'dir': <q-args>}, <bang>0))
<
< Global options supported by fzf#wrap >______________________________________~
*fzf-global-options-supported-by-fzf#wrap*
- `g:fzf_layout`
- `g:fzf_action`
- Works only when no custom `sink` (or `sink*`) is provided
- Having custom sink usually means that each entry is not an ordinary
file path (e.g. name of color scheme), so we can't blindly apply the
same strategy (i.e. `tabedit some-color-scheme` doesn't make sense)
- `g:fzf_colors`
- `g:fzf_history_dir`
TIPS *fzf-tips*
==============================================================================
< fzf inside terminal buffer >________________________________________________~
*fzf-inside-terminal-buffer*
The latest versions of Vim and Neovim include builtin terminal emulator
(`:terminal`) and fzf will start in a terminal buffer in the following cases:
- On Neovim
- On GVim
- On Terminal Vim with a non-default layout
- `call fzf#run({'left': '30%'})` or `let g:fzf_layout = {'left': '30%'}`
On the latest versions of Vim and Neovim, fzf will start in a terminal buffer.
If you find the default ANSI colors to be different, consider configuring the
colors using `g:terminal_ansi_colors` in regular Vim or `g:terminal_color_x`
in Neovim.
*g:terminal_color_15* *g:terminal_color_14* *g:terminal_color_13*
*g:terminal_color_12* *g:terminal_color_11* *g:terminal_color_10* *g:terminal_color_9*
*g:terminal_color_8* *g:terminal_color_7* *g:terminal_color_6* *g:terminal_color_5*
*g:terminal_color_4* *g:terminal_color_3* *g:terminal_color_2* *g:terminal_color_1*
*g:terminal_color_0*
>
" Terminal colors for seoul256 color scheme
if has('nvim')
let g:terminal_color_0 = '#4e4e4e'
let g:terminal_color_1 = '#d68787'
let g:terminal_color_2 = '#5f865f'
let g:terminal_color_3 = '#d8af5f'
let g:terminal_color_4 = '#85add4'
let g:terminal_color_5 = '#d7afaf'
let g:terminal_color_6 = '#87afaf'
let g:terminal_color_7 = '#d0d0d0'
let g:terminal_color_8 = '#626262'
let g:terminal_color_9 = '#d75f87'
let g:terminal_color_10 = '#87af87'
let g:terminal_color_11 = '#ffd787'
let g:terminal_color_12 = '#add4fb'
let g:terminal_color_13 = '#ffafaf'
let g:terminal_color_14 = '#87d7d7'
let g:terminal_color_15 = '#e4e4e4'
else
let g:terminal_ansi_colors = [
\ '#4e4e4e', '#d68787', '#5f865f', '#d8af5f',
\ '#85add4', '#d7afaf', '#87afaf', '#d0d0d0',
\ '#626262', '#d75f87', '#87af87', '#ffd787',
\ '#add4fb', '#ffafaf', '#87d7d7', '#e4e4e4'
\ ]
endif
<
< Starting fzf in a popup window >____________________________________________~
*fzf-starting-fzf-in-a-popup-window*
>
" Required:
" - width [float range [0 ~ 1]] or [integer range [8 ~ ]]
" - height [float range [0 ~ 1]] or [integer range [4 ~ ]]
"
" Optional:
" - xoffset [float default 0.5 range [0 ~ 1]]
" - yoffset [float default 0.5 range [0 ~ 1]]
" - relative [boolean default v:false]
" - border [string default 'rounded']: Border style
" - 'rounded' / 'sharp' / 'horizontal' / 'vertical' / 'top' / 'bottom' / 'left' / 'right'
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6 } }
<
Alternatively, you can make fzf open in a tmux popup window (requires tmux 3.2
or above) by putting fzf-tmux options in `tmux` key.
>
" See `man fzf-tmux` for available options
if exists('$TMUX')
let g:fzf_layout = { 'tmux': '-p90%,60%' }
else
let g:fzf_layout = { 'window': { 'width': 0.9, 'height': 0.6 } }
endif
<
< Hide statusline >___________________________________________________________~
*fzf-hide-statusline*
When fzf starts in a terminal buffer, the file type of the buffer is set to
`fzf`. So you can set up `FileType fzf` autocmd to customize the settings of
the window.
For example, if you open fzf on the bottom on the screen (e.g. `{'down':
'40%'}`), you might want to temporarily disable the statusline for a cleaner
look.
>
let g:fzf_layout = { 'down': '30%' }
autocmd! FileType fzf
autocmd FileType fzf set laststatus=0 noshowmode noruler
\| autocmd BufLeave <buffer> set laststatus=2 showmode ruler
<
LICENSE *fzf-license*
==============================================================================
The MIT License (MIT)
Copyright (c) 2013-2021 Junegunn Choi
==============================================================================
vim:tw=78:sw=2:ts=2:ft=help:norl:nowrap:

17
fzf/fzf/go.mod Normal file
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module github.com/junegunn/fzf
require (
github.com/gdamore/tcell v1.4.0
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
github.com/mattn/go-isatty v0.0.14
github.com/mattn/go-runewidth v0.0.13
github.com/mattn/go-shellwords v1.0.12
github.com/rivo/uniseg v0.2.0
github.com/saracen/walker v0.1.2
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c
golang.org/x/term v0.0.0-20210317153231-de623e64d2a6
golang.org/x/text v0.3.6 // indirect
)
go 1.13

31
fzf/fzf/go.sum Normal file
View File

@ -0,0 +1,31 @@
github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
github.com/gdamore/tcell v1.4.0 h1:vUnHwJRvcPQa3tzi+0QI4U9JINXYJlOz9yiaiPQ2wMU=
github.com/gdamore/tcell v1.4.0/go.mod h1:vxEiSDZdW3L+Uhjii9c3375IlDmR05bzxY404ZVSMo0=
github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU=
github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
github.com/mattn/go-shellwords v1.0.12 h1:M2zGm7EW6UQJvDeQxo4T51eKPurbeFbe8WtebGE2xrk=
github.com/mattn/go-shellwords v1.0.12/go.mod h1:EZzvwXDESEeg03EKmM+RmDnNOPKG4lLtQsUlTZDWQ8Y=
github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
github.com/saracen/walker v0.1.2 h1:/o1TxP82n8thLvmL4GpJXduYaRmJ7qXp8u9dSlV0zmo=
github.com/saracen/walker v0.1.2/go.mod h1:0oKYMsKVhSJ+ful4p/XbjvXbMgLEkLITZaxozsl4CGE=
golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20210317153231-de623e64d2a6 h1:EC6+IGYTjPpRfv9a2b/6Puw0W+hLtAhkV1tPsXhutqs=
golang.org/x/term v0.0.0-20210317153231-de623e64d2a6/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

377
fzf/fzf/install Executable file
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#!/usr/bin/env bash
set -u
version=0.29.0
auto_completion=
key_bindings=
update_config=2
shells="bash zsh fish"
prefix='~/.fzf'
prefix_expand=~/.fzf
fish_dir=${XDG_CONFIG_HOME:-$HOME/.config}/fish
help() {
cat << EOF
usage: $0 [OPTIONS]
--help Show this message
--bin Download fzf binary only; Do not generate ~/.fzf.{bash,zsh}
--all Download fzf binary and update configuration files
to enable key bindings and fuzzy completion
--xdg Generate files under \$XDG_CONFIG_HOME/fzf
--[no-]key-bindings Enable/disable key bindings (CTRL-T, CTRL-R, ALT-C)
--[no-]completion Enable/disable fuzzy completion (bash & zsh)
--[no-]update-rc Whether or not to update shell configuration files
--no-bash Do not set up bash configuration
--no-zsh Do not set up zsh configuration
--no-fish Do not set up fish configuration
EOF
}
for opt in "$@"; do
case $opt in
--help)
help
exit 0
;;
--all)
auto_completion=1
key_bindings=1
update_config=1
;;
--xdg)
prefix='"${XDG_CONFIG_HOME:-$HOME/.config}"/fzf/fzf'
prefix_expand=${XDG_CONFIG_HOME:-$HOME/.config}/fzf/fzf
mkdir -p "${XDG_CONFIG_HOME:-$HOME/.config}/fzf"
;;
--key-bindings) key_bindings=1 ;;
--no-key-bindings) key_bindings=0 ;;
--completion) auto_completion=1 ;;
--no-completion) auto_completion=0 ;;
--update-rc) update_config=1 ;;
--no-update-rc) update_config=0 ;;
--bin) ;;
--no-bash) shells=${shells/bash/} ;;
--no-zsh) shells=${shells/zsh/} ;;
--no-fish) shells=${shells/fish/} ;;
*)
echo "unknown option: $opt"
help
exit 1
;;
esac
done
cd "$(dirname "${BASH_SOURCE[0]}")"
fzf_base=$(pwd)
fzf_base_esc=$(printf %q "$fzf_base")
ask() {
while true; do
read -p "$1 ([y]/n) " -r
REPLY=${REPLY:-"y"}
if [[ $REPLY =~ ^[Yy]$ ]]; then
return 1
elif [[ $REPLY =~ ^[Nn]$ ]]; then
return 0
fi
done
}
check_binary() {
echo -n " - Checking fzf executable ... "
local output
output=$("$fzf_base"/bin/fzf --version 2>&1)
if [ $? -ne 0 ]; then
echo "Error: $output"
binary_error="Invalid binary"
else
output=${output/ */}
if [ "$version" != "$output" ]; then
echo "$output != $version"
binary_error="Invalid version"
else
echo "$output"
binary_error=""
return 0
fi
fi
rm -f "$fzf_base"/bin/fzf
return 1
}
link_fzf_in_path() {
if which_fzf="$(command -v fzf)"; then
echo " - Found in \$PATH"
echo " - Creating symlink: bin/fzf -> $which_fzf"
(cd "$fzf_base"/bin && rm -f fzf && ln -sf "$which_fzf" fzf)
check_binary && return
fi
return 1
}
try_curl() {
command -v curl > /dev/null &&
if [[ $1 =~ tar.gz$ ]]; then
curl -fL $1 | tar -xzf -
else
local temp=${TMPDIR:-/tmp}/fzf.zip
curl -fLo "$temp" $1 && unzip -o "$temp" && rm -f "$temp"
fi
}
try_wget() {
command -v wget > /dev/null &&
if [[ $1 =~ tar.gz$ ]]; then
wget -O - $1 | tar -xzf -
else
local temp=${TMPDIR:-/tmp}/fzf.zip
wget -O "$temp" $1 && unzip -o "$temp" && rm -f "$temp"
fi
}
download() {
echo "Downloading bin/fzf ..."
if [ -x "$fzf_base"/bin/fzf ]; then
echo " - Already exists"
check_binary && return
fi
link_fzf_in_path && return
mkdir -p "$fzf_base"/bin && cd "$fzf_base"/bin
if [ $? -ne 0 ]; then
binary_error="Failed to create bin directory"
return
fi
local url
url=https://github.com/junegunn/fzf/releases/download/$version/${1}
set -o pipefail
if ! (try_curl $url || try_wget $url); then
set +o pipefail
binary_error="Failed to download with curl and wget"
return
fi
set +o pipefail
if [ ! -f fzf ]; then
binary_error="Failed to download ${1}"
return
fi
chmod +x fzf && check_binary
}
# Try to download binary executable
archi=$(uname -sm)
binary_available=1
binary_error=""
case "$archi" in
Darwin\ arm64) download fzf-$version-darwin_arm64.zip ;;
Darwin\ x86_64) download fzf-$version-darwin_amd64.zip ;;
Linux\ armv5*) download fzf-$version-linux_armv5.tar.gz ;;
Linux\ armv6*) download fzf-$version-linux_armv6.tar.gz ;;
Linux\ armv7*) download fzf-$version-linux_armv7.tar.gz ;;
Linux\ armv8*) download fzf-$version-linux_arm64.tar.gz ;;
Linux\ aarch64*) download fzf-$version-linux_arm64.tar.gz ;;
Linux\ *64) download fzf-$version-linux_amd64.tar.gz ;;
FreeBSD\ *64) download fzf-$version-freebsd_amd64.tar.gz ;;
OpenBSD\ *64) download fzf-$version-openbsd_amd64.tar.gz ;;
CYGWIN*\ *64) download fzf-$version-windows_amd64.zip ;;
MINGW*\ *64) download fzf-$version-windows_amd64.zip ;;
MSYS*\ *64) download fzf-$version-windows_amd64.zip ;;
Windows*\ *64) download fzf-$version-windows_amd64.zip ;;
*) binary_available=0 binary_error=1 ;;
esac
cd "$fzf_base"
if [ -n "$binary_error" ]; then
if [ $binary_available -eq 0 ]; then
echo "No prebuilt binary for $archi ..."
else
echo " - $binary_error !!!"
fi
if command -v go > /dev/null; then
echo -n "Building binary (go get -u github.com/junegunn/fzf) ... "
if [ -z "${GOPATH-}" ]; then
export GOPATH="${TMPDIR:-/tmp}/fzf-gopath"
mkdir -p "$GOPATH"
fi
if go get -ldflags "-s -w -X main.version=$version -X main.revision=go-get" github.com/junegunn/fzf; then
echo "OK"
cp "$GOPATH/bin/fzf" "$fzf_base/bin/"
else
echo "Failed to build binary. Installation failed."
exit 1
fi
else
echo "go executable not found. Installation failed."
exit 1
fi
fi
[[ "$*" =~ "--bin" ]] && exit 0
for s in $shells; do
if ! command -v "$s" > /dev/null; then
shells=${shells/$s/}
fi
done
if [[ ${#shells} -lt 3 ]]; then
echo "No shell configuration to be updated."
exit 0
fi
# Auto-completion
if [ -z "$auto_completion" ]; then
ask "Do you want to enable fuzzy auto-completion?"
auto_completion=$?
fi
# Key-bindings
if [ -z "$key_bindings" ]; then
ask "Do you want to enable key bindings?"
key_bindings=$?
fi
echo
for shell in $shells; do
[[ "$shell" = fish ]] && continue
src=${prefix_expand}.${shell}
echo -n "Generate $src ... "
fzf_completion="[[ \$- == *i* ]] && source \"$fzf_base/shell/completion.${shell}\" 2> /dev/null"
if [ $auto_completion -eq 0 ]; then
fzf_completion="# $fzf_completion"
fi
fzf_key_bindings="source \"$fzf_base/shell/key-bindings.${shell}\""
if [ $key_bindings -eq 0 ]; then
fzf_key_bindings="# $fzf_key_bindings"
fi
cat > "$src" << EOF
# Setup fzf
# ---------
if [[ ! "\$PATH" == *$fzf_base_esc/bin* ]]; then
export PATH="\${PATH:+\${PATH}:}$fzf_base/bin"
fi
# Auto-completion
# ---------------
$fzf_completion
# Key bindings
# ------------
$fzf_key_bindings
EOF
echo "OK"
done
# fish
if [[ "$shells" =~ fish ]]; then
echo -n "Update fish_user_paths ... "
fish << EOF
echo \$fish_user_paths | \grep "$fzf_base"/bin > /dev/null
or set --universal fish_user_paths \$fish_user_paths "$fzf_base"/bin
EOF
[ $? -eq 0 ] && echo "OK" || echo "Failed"
mkdir -p "${fish_dir}/functions"
fish_binding="${fish_dir}/functions/fzf_key_bindings.fish"
if [ $key_bindings -ne 0 ]; then
echo -n "Symlink $fish_binding ... "
ln -sf "$fzf_base/shell/key-bindings.fish" \
"$fish_binding" && echo "OK" || echo "Failed"
else
echo -n "Removing $fish_binding ... "
rm -f "$fish_binding"
echo "OK"
fi
fi
append_line() {
set -e
local update line file pat lno
update="$1"
line="$2"
file="$3"
pat="${4:-}"
lno=""
echo "Update $file:"
echo " - $line"
if [ -f "$file" ]; then
if [ $# -lt 4 ]; then
lno=$(\grep -nF "$line" "$file" | sed 's/:.*//' | tr '\n' ' ')
else
lno=$(\grep -nF "$pat" "$file" | sed 's/:.*//' | tr '\n' ' ')
fi
fi
if [ -n "$lno" ]; then
echo " - Already exists: line #$lno"
else
if [ $update -eq 1 ]; then
[ -f "$file" ] && echo >> "$file"
echo "$line" >> "$file"
echo " + Added"
else
echo " ~ Skipped"
fi
fi
echo
set +e
}
create_file() {
local file="$1"
shift
echo "Create $file:"
for line in "$@"; do
echo " $line"
echo "$line" >> "$file"
done
echo
}
if [ $update_config -eq 2 ]; then
echo
ask "Do you want to update your shell configuration files?"
update_config=$?
fi
echo
for shell in $shells; do
[[ "$shell" = fish ]] && continue
[ $shell = zsh ] && dest=${ZDOTDIR:-~}/.zshrc || dest=~/.bashrc
append_line $update_config "[ -f ${prefix}.${shell} ] && source ${prefix}.${shell}" "$dest" "${prefix}.${shell}"
done
if [ $key_bindings -eq 1 ] && [[ "$shells" =~ fish ]]; then
bind_file="${fish_dir}/functions/fish_user_key_bindings.fish"
if [ ! -e "$bind_file" ]; then
create_file "$bind_file" \
'function fish_user_key_bindings' \
' fzf_key_bindings' \
'end'
else
append_line $update_config "fzf_key_bindings" "$bind_file"
fi
fi
if [ $update_config -eq 1 ]; then
echo 'Finished. Restart your shell or reload config file.'
if [[ "$shells" =~ bash ]]; then
echo -n ' source ~/.bashrc # bash'
[[ "$archi" =~ Darwin ]] && echo -n ' (.bashrc should be loaded from .bash_profile)'
echo
fi
[[ "$shells" =~ zsh ]] && echo " source ${ZDOTDIR:-~}/.zshrc # zsh"
[[ "$shells" =~ fish ]] && [ $key_bindings -eq 1 ] && echo ' fzf_key_bindings # fish'
echo
echo 'Use uninstall script to remove fzf.'
echo
fi
echo 'For more information, see: https://github.com/junegunn/fzf'

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$version="0.29.0"
$fzf_base=Split-Path -Parent $MyInvocation.MyCommand.Definition
function check_binary () {
Write-Host " - Checking fzf executable ... " -NoNewline
$output=cmd /c $fzf_base\bin\fzf.exe --version 2>&1
if (-not $?) {
Write-Host "Error: $output"
$binary_error="Invalid binary"
} else {
$output=(-Split $output)[0]
if ($version -ne $output) {
Write-Host "$output != $version"
$binary_error="Invalid version"
} else {
Write-Host "$output"
$binary_error=""
return 1
}
}
Remove-Item "$fzf_base\bin\fzf.exe"
return 0
}
function download {
param($file)
Write-Host "Downloading bin/fzf ..."
if (Test-Path "$fzf_base\bin\fzf.exe") {
Write-Host " - Already exists"
if (check_binary) {
return
}
}
if (-not (Test-Path "$fzf_base\bin")) {
md "$fzf_base\bin"
}
if (-not $?) {
$binary_error="Failed to create bin directory"
return
}
cd "$fzf_base\bin"
$url="https://github.com/junegunn/fzf/releases/download/$version/$file"
$temp=$env:TMP + "\fzf.zip"
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
if ($PSVersionTable.PSVersion.Major -ge 3) {
Invoke-WebRequest -Uri $url -OutFile $temp
} else {
(New-Object Net.WebClient).DownloadFile($url, $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath("$temp"))
}
if ($?) {
(Microsoft.PowerShell.Archive\Expand-Archive -Path $temp -DestinationPath .); (Remove-Item $temp)
} else {
$binary_error="Failed to download with powershell"
}
if (-not (Test-Path fzf.exe)) {
$binary_error="Failed to download $file"
return
}
echo y | icacls $fzf_base\bin\fzf.exe /grant Administrator:F ; check_binary >$null
}
download "fzf-$version-windows_amd64.zip"
Write-Host 'For more information, see: https://github.com/junegunn/fzf'

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package main
import (
fzf "github.com/junegunn/fzf/src"
"github.com/junegunn/fzf/src/protector"
)
var version string = "0.29"
var revision string = "devel"
func main() {
protector.Protect()
fzf.Run(fzf.ParseOptions(), version, revision)
}

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.ig
The MIT License (MIT)
Copyright (c) 2013-2021 Junegunn Choi
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
..
.TH fzf-tmux 1 "Dec 2021" "fzf 0.29.0" "fzf-tmux - open fzf in tmux split pane"
.SH NAME
fzf-tmux - open fzf in tmux split pane
.SH SYNOPSIS
.B fzf-tmux [LAYOUT OPTIONS] [--] [FZF OPTIONS]
.SH DESCRIPTION
fzf-tmux is a wrapper script for fzf that opens fzf in a tmux split pane or in
a tmux popup window. It is designed to work just like fzf except that it does
not take up the whole screen. You can safely use fzf-tmux instead of fzf in
your scripts as the extra options will be silently ignored if you're not on
tmux.
.SH LAYOUT OPTIONS
(default layout: \fB-d 50%\fR)
.SS Popup window
(requires tmux 3.2 or above)
.TP
.B "-p [WIDTH[%][,HEIGHT[%]]]"
.TP
.B "-w WIDTH[%]"
.TP
.B "-h WIDTH[%]"
.TP
.B "-x COL"
.TP
.B "-y ROW"
.SS Split pane
.TP
.B "-u [height[%]]"
Split above (up)
.TP
.B "-d [height[%]]"
Split below (down)
.TP
.B "-l [width[%]]"
Split left
.TP
.B "-r [width[%]]"
Split right

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# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ completion.bash
#
# - $FZF_TMUX (default: 0)
# - $FZF_TMUX_OPTS (default: empty)
# - $FZF_COMPLETION_TRIGGER (default: '**')
# - $FZF_COMPLETION_OPTS (default: empty)
if [[ $- =~ i ]]; then
# To use custom commands instead of find, override _fzf_compgen_{path,dir}
if ! declare -f _fzf_compgen_path > /dev/null; then
_fzf_compgen_path() {
echo "$1"
command find -L "$1" \
-name .git -prune -o -name .hg -prune -o -name .svn -prune -o \( -type d -o -type f -o -type l \) \
-a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
}
fi
if ! declare -f _fzf_compgen_dir > /dev/null; then
_fzf_compgen_dir() {
command find -L "$1" \
-name .git -prune -o -name .hg -prune -o -name .svn -prune -o -type d \
-a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
}
fi
###########################################################
# To redraw line after fzf closes (printf '\e[5n')
bind '"\e[0n": redraw-current-line' 2> /dev/null
__fzf_comprun() {
if [[ "$(type -t _fzf_comprun 2>&1)" = function ]]; then
_fzf_comprun "$@"
elif [[ -n "$TMUX_PANE" ]] && { [[ "${FZF_TMUX:-0}" != 0 ]] || [[ -n "$FZF_TMUX_OPTS" ]]; }; then
shift
fzf-tmux ${FZF_TMUX_OPTS:--d${FZF_TMUX_HEIGHT:-40%}} -- "$@"
else
shift
fzf "$@"
fi
}
__fzf_orig_completion() {
local l comp f cmd
while read -r l; do
if [[ "$l" =~ ^(.*\ -F)\ *([^ ]*).*\ ([^ ]*)$ ]]; then
comp="${BASH_REMATCH[1]}"
f="${BASH_REMATCH[2]}"
cmd="${BASH_REMATCH[3]}"
[[ "$f" = _fzf_* ]] && continue
printf -v "_fzf_orig_completion_${cmd//[^A-Za-z0-9_]/_}" "%s" "${comp} %s ${cmd} #${f}"
if [[ "$l" = *" -o nospace "* ]] && [[ ! "$__fzf_nospace_commands" = *" $cmd "* ]]; then
__fzf_nospace_commands="$__fzf_nospace_commands $cmd "
fi
fi
done
}
_fzf_opts_completion() {
local cur prev opts
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWORD-1]}"
opts="
-x --extended
-e --exact
--algo
-i +i
-n --nth
--with-nth
-d --delimiter
+s --no-sort
--tac
--tiebreak
-m --multi
--no-mouse
--bind
--cycle
--no-hscroll
--jump-labels
--height
--literal
--reverse
--margin
--inline-info
--prompt
--pointer
--marker
--header
--header-lines
--ansi
--tabstop
--color
--no-bold
--history
--history-size
--preview
--preview-window
-q --query
-1 --select-1
-0 --exit-0
-f --filter
--print-query
--expect
--sync"
case "${prev}" in
--tiebreak)
COMPREPLY=( $(compgen -W "length begin end index" -- "$cur") )
return 0
;;
--color)
COMPREPLY=( $(compgen -W "dark light 16 bw" -- "$cur") )
return 0
;;
--history)
COMPREPLY=()
return 0
;;
esac
if [[ "$cur" =~ ^-|\+ ]]; then
COMPREPLY=( $(compgen -W "${opts}" -- "$cur") )
return 0
fi
return 0
}
_fzf_handle_dynamic_completion() {
local cmd orig_var orig ret orig_cmd orig_complete
cmd="$1"
shift
orig_cmd="$1"
orig_var="_fzf_orig_completion_$cmd"
orig="${!orig_var##*#}"
if [[ -n "$orig" ]] && type "$orig" > /dev/null 2>&1; then
$orig "$@"
elif [[ -n "$_fzf_completion_loader" ]]; then
orig_complete=$(complete -p "$orig_cmd" 2> /dev/null)
_completion_loader "$@"
ret=$?
# _completion_loader may not have updated completion for the command
if [[ "$(complete -p "$orig_cmd" 2> /dev/null)" != "$orig_complete" ]]; then
__fzf_orig_completion < <(complete -p "$orig_cmd" 2> /dev/null)
if [[ "$__fzf_nospace_commands" = *" $orig_cmd "* ]]; then
eval "${orig_complete/ -F / -o nospace -F }"
else
eval "$orig_complete"
fi
fi
return $ret
fi
}
__fzf_generic_path_completion() {
local cur base dir leftover matches trigger cmd
cmd="${COMP_WORDS[0]//[^A-Za-z0-9_=]/_}"
COMPREPLY=()
trigger=${FZF_COMPLETION_TRIGGER-'**'}
cur="${COMP_WORDS[COMP_CWORD]}"
if [[ "$cur" == *"$trigger" ]]; then
base=${cur:0:${#cur}-${#trigger}}
eval "base=$base"
[[ $base = *"/"* ]] && dir="$base"
while true; do
if [[ -z "$dir" ]] || [[ -d "$dir" ]]; then
leftover=${base/#"$dir"}
leftover=${leftover/#\/}
[[ -z "$dir" ]] && dir='.'
[[ "$dir" != "/" ]] && dir="${dir/%\//}"
matches=$(eval "$1 $(printf %q "$dir")" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS $2" __fzf_comprun "$4" -q "$leftover" | while read -r item; do
printf "%q$3 " "$item"
done)
matches=${matches% }
[[ -z "$3" ]] && [[ "$__fzf_nospace_commands" = *" ${COMP_WORDS[0]} "* ]] && matches="$matches "
if [[ -n "$matches" ]]; then
COMPREPLY=( "$matches" )
else
COMPREPLY=( "$cur" )
fi
printf '\e[5n'
return 0
fi
dir=$(dirname "$dir")
[[ "$dir" =~ /$ ]] || dir="$dir"/
done
else
shift
shift
shift
_fzf_handle_dynamic_completion "$cmd" "$@"
fi
}
_fzf_complete() {
# Split arguments around --
local args rest str_arg i sep
args=("$@")
sep=
for i in "${!args[@]}"; do
if [[ "${args[$i]}" = -- ]]; then
sep=$i
break
fi
done
if [[ -n "$sep" ]]; then
str_arg=
rest=("${args[@]:$((sep + 1)):${#args[@]}}")
args=("${args[@]:0:$sep}")
else
str_arg=$1
args=()
shift
rest=("$@")
fi
local cur selected trigger cmd post
post="$(caller 0 | awk '{print $2}')_post"
type -t "$post" > /dev/null 2>&1 || post=cat
cmd="${COMP_WORDS[0]//[^A-Za-z0-9_=]/_}"
trigger=${FZF_COMPLETION_TRIGGER-'**'}
cur="${COMP_WORDS[COMP_CWORD]}"
if [[ "$cur" == *"$trigger" ]]; then
cur=${cur:0:${#cur}-${#trigger}}
selected=$(FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS $str_arg" __fzf_comprun "${rest[0]}" "${args[@]}" -q "$cur" | $post | tr '\n' ' ')
selected=${selected% } # Strip trailing space not to repeat "-o nospace"
if [[ -n "$selected" ]]; then
COMPREPLY=("$selected")
else
COMPREPLY=("$cur")
fi
printf '\e[5n'
return 0
else
_fzf_handle_dynamic_completion "$cmd" "${rest[@]}"
fi
}
_fzf_path_completion() {
__fzf_generic_path_completion _fzf_compgen_path "-m" "" "$@"
}
# Deprecated. No file only completion.
_fzf_file_completion() {
_fzf_path_completion "$@"
}
_fzf_dir_completion() {
__fzf_generic_path_completion _fzf_compgen_dir "" "/" "$@"
}
_fzf_complete_kill() {
local trigger=${FZF_COMPLETION_TRIGGER-'**'}
local cur="${COMP_WORDS[COMP_CWORD]}"
if [[ -z "$cur" ]]; then
COMP_WORDS[$COMP_CWORD]=$trigger
elif [[ "$cur" != *"$trigger" ]]; then
return 1
fi
_fzf_proc_completion "$@"
}
_fzf_proc_completion() {
_fzf_complete -m --preview 'echo {}' --preview-window down:3:wrap --min-height 15 -- "$@" < <(
command ps -ef | sed 1d
)
}
_fzf_proc_completion_post() {
awk '{print $2}'
}
_fzf_host_completion() {
_fzf_complete +m -- "$@" < <(
command cat <(command tail -n +1 ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2> /dev/null | command grep -i '^\s*host\(name\)\? ' | awk '{for (i = 2; i <= NF; i++) print $1 " " $i}' | command grep -v '[*?]') \
<(command grep -oE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts | tr ',' '\n' | tr -d '[' | awk '{ print $1 " " $1 }') \
<(command grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0') |
awk '{if (length($2) > 0) {print $2}}' | sort -u
)
}
_fzf_var_completion() {
_fzf_complete -m -- "$@" < <(
declare -xp | sed 's/=.*//' | sed 's/.* //'
)
}
_fzf_alias_completion() {
_fzf_complete -m -- "$@" < <(
alias | sed 's/=.*//' | sed 's/.* //'
)
}
# fzf options
complete -o default -F _fzf_opts_completion fzf
d_cmds="${FZF_COMPLETION_DIR_COMMANDS:-cd pushd rmdir}"
a_cmds="
awk cat diff diff3
emacs emacsclient ex file ftp g++ gcc gvim head hg java
javac ld less more mvim nvim patch perl python ruby
sed sftp sort source tail tee uniq vi view vim wc xdg-open
basename bunzip2 bzip2 chmod chown curl cp dirname du
find git grep gunzip gzip hg jar
ln ls mv open rm rsync scp
svn tar unzip zip"
# Preserve existing completion
__fzf_orig_completion < <(complete -p $d_cmds $a_cmds 2> /dev/null)
if type _completion_loader > /dev/null 2>&1; then
_fzf_completion_loader=1
fi
__fzf_defc() {
local cmd func opts orig_var orig def
cmd="$1"
func="$2"
opts="$3"
orig_var="_fzf_orig_completion_${cmd//[^A-Za-z0-9_]/_}"
orig="${!orig_var}"
if [[ -n "$orig" ]]; then
printf -v def "$orig" "$func"
eval "$def"
else
complete -F "$func" $opts "$cmd"
fi
}
# Anything
for cmd in $a_cmds; do
__fzf_defc "$cmd" _fzf_path_completion "-o default -o bashdefault"
done
# Directory
for cmd in $d_cmds; do
__fzf_defc "$cmd" _fzf_dir_completion "-o nospace -o dirnames"
done
# Kill completion (supports empty completion trigger)
complete -F _fzf_complete_kill -o default -o bashdefault kill
unset cmd d_cmds a_cmds
_fzf_setup_completion() {
local kind fn cmd
kind=$1
fn=_fzf_${1}_completion
if [[ $# -lt 2 ]] || ! type -t "$fn" > /dev/null; then
echo "usage: ${FUNCNAME[0]} path|dir|var|alias|host|proc COMMANDS..."
return 1
fi
shift
__fzf_orig_completion < <(complete -p "$@" 2> /dev/null)
for cmd in "$@"; do
case "$kind" in
dir) __fzf_defc "$cmd" "$fn" "-o nospace -o dirnames" ;;
var) __fzf_defc "$cmd" "$fn" "-o default -o nospace -v" ;;
alias) __fzf_defc "$cmd" "$fn" "-a" ;;
*) __fzf_defc "$cmd" "$fn" "-o default -o bashdefault" ;;
esac
done
}
# Environment variables / Aliases / Hosts
_fzf_setup_completion 'var' export unset
_fzf_setup_completion 'alias' unalias
_fzf_setup_completion 'host' ssh telnet
fi

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# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ completion.zsh
#
# - $FZF_TMUX (default: 0)
# - $FZF_TMUX_OPTS (default: '-d 40%')
# - $FZF_COMPLETION_TRIGGER (default: '**')
# - $FZF_COMPLETION_OPTS (default: empty)
# Both branches of the following `if` do the same thing -- define
# __fzf_completion_options such that `eval $__fzf_completion_options` sets
# all options to the same values they currently have. We'll do just that at
# the bottom of the file after changing options to what we prefer.
#
# IMPORTANT: Until we get to the `emulate` line, all words that *can* be quoted
# *must* be quoted in order to prevent alias expansion. In addition, code must
# be written in a way works with any set of zsh options. This is very tricky, so
# careful when you change it.
#
# Start by loading the builtin zsh/parameter module. It provides `options`
# associative array that stores current shell options.
if 'zmodload' 'zsh/parameter' 2>'/dev/null' && (( ${+options} )); then
# This is the fast branch and it gets taken on virtually all Zsh installations.
#
# ${(kv)options[@]} expands to array of keys (option names) and values ("on"
# or "off"). The subsequent expansion# with (j: :) flag joins all elements
# together separated by spaces. __fzf_completion_options ends up with a value
# like this: "options=(shwordsplit off aliases on ...)".
__fzf_completion_options="options=(${(j: :)${(kv)options[@]}})"
else
# This branch is much slower because it forks to get the names of all
# zsh options. It's possible to eliminate this fork but it's not worth the
# trouble because this branch gets taken only on very ancient or broken
# zsh installations.
() {
# That `()` above defines an anonymous function. This is essentially a scope
# for local parameters. We use it to avoid polluting global scope.
'local' '__fzf_opt'
__fzf_completion_options="setopt"
# `set -o` prints one line for every zsh option. Each line contains option
# name, some spaces, and then either "on" or "off". We just want option names.
# Expansion with (@f) flag splits a string into lines. The outer expansion
# removes spaces and everything that follow them on every line. __fzf_opt
# ends up iterating over option names: shwordsplit, aliases, etc.
for __fzf_opt in "${(@)${(@f)$(set -o)}%% *}"; do
if [[ -o "$__fzf_opt" ]]; then
# Option $__fzf_opt is currently on, so remember to set it back on.
__fzf_completion_options+=" -o $__fzf_opt"
else
# Option $__fzf_opt is currently off, so remember to set it back off.
__fzf_completion_options+=" +o $__fzf_opt"
fi
done
# The value of __fzf_completion_options here looks like this:
# "setopt +o shwordsplit -o aliases ..."
}
fi
# Enable the default zsh options (those marked with <Z> in `man zshoptions`)
# but without `aliases`. Aliases in functions are expanded when functions are
# defined, so if we disable aliases here, we'll be sure to have no pesky
# aliases in any of our functions. This way we won't need prefix every
# command with `command` or to quote every word to defend against global
# aliases. Note that `aliases` is not the only option that's important to
# control. There are several others that could wreck havoc if they are set
# to values we don't expect. With the following `emulate` command we
# sidestep this issue entirely.
'emulate' 'zsh' '-o' 'no_aliases'
# This brace is the start of try-always block. The `always` part is like
# `finally` in lesser languages. We use it to *always* restore user options.
{
# Bail out if not interactive shell.
[[ -o interactive ]] || return 0
# To use custom commands instead of find, override _fzf_compgen_{path,dir}
if ! declare -f _fzf_compgen_path > /dev/null; then
_fzf_compgen_path() {
echo "$1"
command find -L "$1" \
-name .git -prune -o -name .hg -prune -o -name .svn -prune -o \( -type d -o -type f -o -type l \) \
-a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
}
fi
if ! declare -f _fzf_compgen_dir > /dev/null; then
_fzf_compgen_dir() {
command find -L "$1" \
-name .git -prune -o -name .hg -prune -o -name .svn -prune -o -type d \
-a -not -path "$1" -print 2> /dev/null | sed 's@^\./@@'
}
fi
###########################################################
__fzf_comprun() {
if [[ "$(type _fzf_comprun 2>&1)" =~ function ]]; then
_fzf_comprun "$@"
elif [ -n "$TMUX_PANE" ] && { [ "${FZF_TMUX:-0}" != 0 ] || [ -n "$FZF_TMUX_OPTS" ]; }; then
shift
if [ -n "$FZF_TMUX_OPTS" ]; then
fzf-tmux ${(Q)${(Z+n+)FZF_TMUX_OPTS}} -- "$@"
else
fzf-tmux -d ${FZF_TMUX_HEIGHT:-40%} -- "$@"
fi
else
shift
fzf "$@"
fi
}
# Extract the name of the command. e.g. foo=1 bar baz**<tab>
__fzf_extract_command() {
local token tokens
tokens=(${(z)1})
for token in $tokens; do
token=${(Q)token}
if [[ "$token" =~ [[:alnum:]] && ! "$token" =~ "=" ]]; then
echo "$token"
return
fi
done
echo "${tokens[1]}"
}
__fzf_generic_path_completion() {
local base lbuf cmd compgen fzf_opts suffix tail dir leftover matches
base=$1
lbuf=$2
cmd=$(__fzf_extract_command "$lbuf")
compgen=$3
fzf_opts=$4
suffix=$5
tail=$6
setopt localoptions nonomatch
eval "base=$base"
[[ $base = *"/"* ]] && dir="$base"
while [ 1 ]; do
if [[ -z "$dir" || -d ${dir} ]]; then
leftover=${base/#"$dir"}
leftover=${leftover/#\/}
[ -z "$dir" ] && dir='.'
[ "$dir" != "/" ] && dir="${dir/%\//}"
matches=$(eval "$compgen $(printf %q "$dir")" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS" __fzf_comprun "$cmd" ${(Q)${(Z+n+)fzf_opts}} -q "$leftover" | while read item; do
echo -n "${(q)item}$suffix "
done)
matches=${matches% }
if [ -n "$matches" ]; then
LBUFFER="$lbuf$matches$tail"
fi
zle reset-prompt
break
fi
dir=$(dirname "$dir")
dir=${dir%/}/
done
}
_fzf_path_completion() {
__fzf_generic_path_completion "$1" "$2" _fzf_compgen_path \
"-m" "" " "
}
_fzf_dir_completion() {
__fzf_generic_path_completion "$1" "$2" _fzf_compgen_dir \
"" "/" ""
}
_fzf_feed_fifo() (
command rm -f "$1"
mkfifo "$1"
cat <&0 > "$1" &
)
_fzf_complete() {
setopt localoptions ksh_arrays
# Split arguments around --
local args rest str_arg i sep
args=("$@")
sep=
for i in {0..${#args[@]}}; do
if [[ "${args[$i]}" = -- ]]; then
sep=$i
break
fi
done
if [[ -n "$sep" ]]; then
str_arg=
rest=("${args[@]:$((sep + 1)):${#args[@]}}")
args=("${args[@]:0:$sep}")
else
str_arg=$1
args=()
shift
rest=("$@")
fi
local fifo lbuf cmd matches post
fifo="${TMPDIR:-/tmp}/fzf-complete-fifo-$$"
lbuf=${rest[0]}
cmd=$(__fzf_extract_command "$lbuf")
post="${funcstack[1]}_post"
type $post > /dev/null 2>&1 || post=cat
_fzf_feed_fifo "$fifo"
matches=$(FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_COMPLETION_OPTS $str_arg" __fzf_comprun "$cmd" "${args[@]}" -q "${(Q)prefix}" < "$fifo" | $post | tr '\n' ' ')
if [ -n "$matches" ]; then
LBUFFER="$lbuf$matches"
fi
command rm -f "$fifo"
}
_fzf_complete_telnet() {
_fzf_complete +m -- "$@" < <(
command grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0' |
awk '{if (length($2) > 0) {print $2}}' | sort -u
)
}
_fzf_complete_ssh() {
_fzf_complete +m -- "$@" < <(
setopt localoptions nonomatch
command cat <(command tail -n +1 ~/.ssh/config ~/.ssh/config.d/* /etc/ssh/ssh_config 2> /dev/null | command grep -i '^\s*host\(name\)\? ' | awk '{for (i = 2; i <= NF; i++) print $1 " " $i}' | command grep -v '[*?]') \
<(command grep -oE '^[[a-z0-9.,:-]+' ~/.ssh/known_hosts | tr ',' '\n' | tr -d '[' | awk '{ print $1 " " $1 }') \
<(command grep -v '^\s*\(#\|$\)' /etc/hosts | command grep -Fv '0.0.0.0') |
awk '{if (length($2) > 0) {print $2}}' | sort -u
)
}
_fzf_complete_export() {
_fzf_complete -m -- "$@" < <(
declare -xp | sed 's/=.*//' | sed 's/.* //'
)
}
_fzf_complete_unset() {
_fzf_complete -m -- "$@" < <(
declare -xp | sed 's/=.*//' | sed 's/.* //'
)
}
_fzf_complete_unalias() {
_fzf_complete +m -- "$@" < <(
alias | sed 's/=.*//'
)
}
_fzf_complete_kill() {
_fzf_complete -m --preview 'echo {}' --preview-window down:3:wrap --min-height 15 -- "$@" < <(
command ps -ef | sed 1d
)
}
_fzf_complete_kill_post() {
awk '{print $2}'
}
fzf-completion() {
local tokens cmd prefix trigger tail matches lbuf d_cmds
setopt localoptions noshwordsplit noksh_arrays noposixbuiltins
# http://zsh.sourceforge.net/FAQ/zshfaq03.html
# http://zsh.sourceforge.net/Doc/Release/Expansion.html#Parameter-Expansion-Flags
tokens=(${(z)LBUFFER})
if [ ${#tokens} -lt 1 ]; then
zle ${fzf_default_completion:-expand-or-complete}
return
fi
cmd=$(__fzf_extract_command "$LBUFFER")
# Explicitly allow for empty trigger.
trigger=${FZF_COMPLETION_TRIGGER-'**'}
[ -z "$trigger" -a ${LBUFFER[-1]} = ' ' ] && tokens+=("")
# When the trigger starts with ';', it becomes a separate token
if [[ ${LBUFFER} = *"${tokens[-2]}${tokens[-1]}" ]]; then
tokens[-2]="${tokens[-2]}${tokens[-1]}"
tokens=(${tokens[0,-2]})
fi
lbuf=$LBUFFER
tail=${LBUFFER:$(( ${#LBUFFER} - ${#trigger} ))}
# Kill completion (do not require trigger sequence)
if [ "$cmd" = kill -a ${LBUFFER[-1]} = ' ' ]; then
tail=$trigger
tokens+=$trigger
lbuf="$lbuf$trigger"
fi
# Trigger sequence given
if [ ${#tokens} -gt 1 -a "$tail" = "$trigger" ]; then
d_cmds=(${=FZF_COMPLETION_DIR_COMMANDS:-cd pushd rmdir})
[ -z "$trigger" ] && prefix=${tokens[-1]} || prefix=${tokens[-1]:0:-${#trigger}}
[ -n "${tokens[-1]}" ] && lbuf=${lbuf:0:-${#tokens[-1]}}
if eval "type _fzf_complete_${cmd} > /dev/null"; then
prefix="$prefix" eval _fzf_complete_${cmd} ${(q)lbuf}
zle reset-prompt
elif [ ${d_cmds[(i)$cmd]} -le ${#d_cmds} ]; then
_fzf_dir_completion "$prefix" "$lbuf"
else
_fzf_path_completion "$prefix" "$lbuf"
fi
# Fall back to default completion
else
zle ${fzf_default_completion:-expand-or-complete}
fi
}
[ -z "$fzf_default_completion" ] && {
binding=$(bindkey '^I')
[[ $binding =~ 'undefined-key' ]] || fzf_default_completion=$binding[(s: :w)2]
unset binding
}
zle -N fzf-completion
bindkey '^I' fzf-completion
} always {
# Restore the original options.
eval $__fzf_completion_options
'unset' '__fzf_completion_options'
}

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# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ key-bindings.bash
#
# - $FZF_TMUX_OPTS
# - $FZF_CTRL_T_COMMAND
# - $FZF_CTRL_T_OPTS
# - $FZF_CTRL_R_OPTS
# - $FZF_ALT_C_COMMAND
# - $FZF_ALT_C_OPTS
# Key bindings
# ------------
__fzf_select__() {
local cmd="${FZF_CTRL_T_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
-o -type f -print \
-o -type d -print \
-o -type l -print 2> /dev/null | cut -b3-"}"
eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_CTRL_T_OPTS" $(__fzfcmd) -m "$@" | while read -r item; do
printf '%q ' "$item"
done
echo
}
if [[ $- =~ i ]]; then
__fzfcmd() {
[[ -n "$TMUX_PANE" ]] && { [[ "${FZF_TMUX:-0}" != 0 ]] || [[ -n "$FZF_TMUX_OPTS" ]]; } &&
echo "fzf-tmux ${FZF_TMUX_OPTS:--d${FZF_TMUX_HEIGHT:-40%}} -- " || echo "fzf"
}
fzf-file-widget() {
local selected="$(__fzf_select__)"
READLINE_LINE="${READLINE_LINE:0:$READLINE_POINT}$selected${READLINE_LINE:$READLINE_POINT}"
READLINE_POINT=$(( READLINE_POINT + ${#selected} ))
}
__fzf_cd__() {
local cmd dir
cmd="${FZF_ALT_C_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
-o -type d -print 2> /dev/null | cut -b3-"}"
dir=$(eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_ALT_C_OPTS" $(__fzfcmd) +m) && printf 'cd -- %q' "$dir"
}
__fzf_history__() {
local output
output=$(
builtin fc -lnr -2147483648 |
last_hist=$(HISTTIMEFORMAT='' builtin history 1) perl -n -l0 -e 'BEGIN { getc; $/ = "\n\t"; $HISTCMD = $ENV{last_hist} + 1 } s/^[ *]//; print $HISTCMD - $. . "\t$_" if !$seen{$_}++' |
FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} $FZF_DEFAULT_OPTS -n2..,.. --tiebreak=index --bind=ctrl-r:toggle-sort,ctrl-z:ignore $FZF_CTRL_R_OPTS +m --read0" $(__fzfcmd) --query "$READLINE_LINE"
) || return
READLINE_LINE=${output#*$'\t'}
if [[ -z "$READLINE_POINT" ]]; then
echo "$READLINE_LINE"
else
READLINE_POINT=0x7fffffff
fi
}
# Required to refresh the prompt after fzf
bind -m emacs-standard '"\er": redraw-current-line'
bind -m vi-command '"\C-z": emacs-editing-mode'
bind -m vi-insert '"\C-z": emacs-editing-mode'
bind -m emacs-standard '"\C-z": vi-editing-mode'
if (( BASH_VERSINFO[0] < 4 )); then
# CTRL-T - Paste the selected file path into the command line
bind -m emacs-standard '"\C-t": " \C-b\C-k \C-u`__fzf_select__`\e\C-e\er\C-a\C-y\C-h\C-e\e \C-y\ey\C-x\C-x\C-f"'
bind -m vi-command '"\C-t": "\C-z\C-t\C-z"'
bind -m vi-insert '"\C-t": "\C-z\C-t\C-z"'
# CTRL-R - Paste the selected command from history into the command line
bind -m emacs-standard '"\C-r": "\C-e \C-u\C-y\ey\C-u"$(__fzf_history__)"\e\C-e\er"'
bind -m vi-command '"\C-r": "\C-z\C-r\C-z"'
bind -m vi-insert '"\C-r": "\C-z\C-r\C-z"'
else
# CTRL-T - Paste the selected file path into the command line
bind -m emacs-standard -x '"\C-t": fzf-file-widget'
bind -m vi-command -x '"\C-t": fzf-file-widget'
bind -m vi-insert -x '"\C-t": fzf-file-widget'
# CTRL-R - Paste the selected command from history into the command line
bind -m emacs-standard -x '"\C-r": __fzf_history__'
bind -m vi-command -x '"\C-r": __fzf_history__'
bind -m vi-insert -x '"\C-r": __fzf_history__'
fi
# ALT-C - cd into the selected directory
bind -m emacs-standard '"\ec": " \C-b\C-k \C-u`__fzf_cd__`\e\C-e\er\C-m\C-y\C-h\e \C-y\ey\C-x\C-x\C-d"'
bind -m vi-command '"\ec": "\C-z\ec\C-z"'
bind -m vi-insert '"\ec": "\C-z\ec\C-z"'
fi

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# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ key-bindings.fish
#
# - $FZF_TMUX_OPTS
# - $FZF_CTRL_T_COMMAND
# - $FZF_CTRL_T_OPTS
# - $FZF_CTRL_R_OPTS
# - $FZF_ALT_C_COMMAND
# - $FZF_ALT_C_OPTS
# Key bindings
# ------------
function fzf_key_bindings
# Store current token in $dir as root for the 'find' command
function fzf-file-widget -d "List files and folders"
set -l commandline (__fzf_parse_commandline)
set -l dir $commandline[1]
set -l fzf_query $commandline[2]
set -l prefix $commandline[3]
# "-path \$dir'*/\\.*'" matches hidden files/folders inside $dir but not
# $dir itself, even if hidden.
test -n "$FZF_CTRL_T_COMMAND"; or set -l FZF_CTRL_T_COMMAND "
command find -L \$dir -mindepth 1 \\( -path \$dir'*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' \\) -prune \
-o -type f -print \
-o -type d -print \
-o -type l -print 2> /dev/null | sed 's@^\./@@'"
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
begin
set -lx FZF_DEFAULT_OPTS "--height $FZF_TMUX_HEIGHT --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_CTRL_T_OPTS"
eval "$FZF_CTRL_T_COMMAND | "(__fzfcmd)' -m --query "'$fzf_query'"' | while read -l r; set result $result $r; end
end
if [ -z "$result" ]
commandline -f repaint
return
else
# Remove last token from commandline.
commandline -t ""
end
for i in $result
commandline -it -- $prefix
commandline -it -- (string escape $i)
commandline -it -- ' '
end
commandline -f repaint
end
function fzf-history-widget -d "Show command history"
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
begin
set -lx FZF_DEFAULT_OPTS "--height $FZF_TMUX_HEIGHT $FZF_DEFAULT_OPTS --tiebreak=index --bind=ctrl-r:toggle-sort,ctrl-z:ignore $FZF_CTRL_R_OPTS +m"
set -l FISH_MAJOR (echo $version | cut -f1 -d.)
set -l FISH_MINOR (echo $version | cut -f2 -d.)
# history's -z flag is needed for multi-line support.
# history's -z flag was added in fish 2.4.0, so don't use it for versions
# before 2.4.0.
if [ "$FISH_MAJOR" -gt 2 -o \( "$FISH_MAJOR" -eq 2 -a "$FISH_MINOR" -ge 4 \) ];
history -z | eval (__fzfcmd) --read0 --print0 -q '(commandline)' | read -lz result
and commandline -- $result
else
history | eval (__fzfcmd) -q '(commandline)' | read -l result
and commandline -- $result
end
end
commandline -f repaint
end
function fzf-cd-widget -d "Change directory"
set -l commandline (__fzf_parse_commandline)
set -l dir $commandline[1]
set -l fzf_query $commandline[2]
set -l prefix $commandline[3]
test -n "$FZF_ALT_C_COMMAND"; or set -l FZF_ALT_C_COMMAND "
command find -L \$dir -mindepth 1 \\( -path \$dir'*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' \\) -prune \
-o -type d -print 2> /dev/null | sed 's@^\./@@'"
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
begin
set -lx FZF_DEFAULT_OPTS "--height $FZF_TMUX_HEIGHT --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_ALT_C_OPTS"
eval "$FZF_ALT_C_COMMAND | "(__fzfcmd)' +m --query "'$fzf_query'"' | read -l result
if [ -n "$result" ]
cd -- $result
# Remove last token from commandline.
commandline -t ""
commandline -it -- $prefix
end
end
commandline -f repaint
end
function __fzfcmd
test -n "$FZF_TMUX"; or set FZF_TMUX 0
test -n "$FZF_TMUX_HEIGHT"; or set FZF_TMUX_HEIGHT 40%
if [ -n "$FZF_TMUX_OPTS" ]
echo "fzf-tmux $FZF_TMUX_OPTS -- "
else if [ $FZF_TMUX -eq 1 ]
echo "fzf-tmux -d$FZF_TMUX_HEIGHT -- "
else
echo "fzf"
end
end
bind \ct fzf-file-widget
bind \cr fzf-history-widget
bind \ec fzf-cd-widget
if bind -M insert > /dev/null 2>&1
bind -M insert \ct fzf-file-widget
bind -M insert \cr fzf-history-widget
bind -M insert \ec fzf-cd-widget
end
function __fzf_parse_commandline -d 'Parse the current command line token and return split of existing filepath, fzf query, and optional -option= prefix'
set -l commandline (commandline -t)
# strip -option= from token if present
set -l prefix (string match -r -- '^-[^\s=]+=' $commandline)
set commandline (string replace -- "$prefix" '' $commandline)
# eval is used to do shell expansion on paths
eval set commandline $commandline
if [ -z $commandline ]
# Default to current directory with no --query
set dir '.'
set fzf_query ''
else
set dir (__fzf_get_dir $commandline)
if [ "$dir" = "." -a (string sub -l 1 -- $commandline) != '.' ]
# if $dir is "." but commandline is not a relative path, this means no file path found
set fzf_query $commandline
else
# Also remove trailing slash after dir, to "split" input properly
set fzf_query (string replace -r "^$dir/?" -- '' "$commandline")
end
end
echo $dir
echo $fzf_query
echo $prefix
end
function __fzf_get_dir -d 'Find the longest existing filepath from input string'
set dir $argv
# Strip all trailing slashes. Ignore if $dir is root dir (/)
if [ (string length -- $dir) -gt 1 ]
set dir (string replace -r '/*$' -- '' $dir)
end
# Iteratively check if dir exists and strip tail end of path
while [ ! -d "$dir" ]
# If path is absolute, this can keep going until ends up at /
# If path is relative, this can keep going until entire input is consumed, dirname returns "."
set dir (dirname -- "$dir")
end
echo $dir
end
end

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# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ key-bindings.zsh
#
# - $FZF_TMUX_OPTS
# - $FZF_CTRL_T_COMMAND
# - $FZF_CTRL_T_OPTS
# - $FZF_CTRL_R_OPTS
# - $FZF_ALT_C_COMMAND
# - $FZF_ALT_C_OPTS
# Key bindings
# ------------
# The code at the top and the bottom of this file is the same as in completion.zsh.
# Refer to that file for explanation.
if 'zmodload' 'zsh/parameter' 2>'/dev/null' && (( ${+options} )); then
__fzf_key_bindings_options="options=(${(j: :)${(kv)options[@]}})"
else
() {
__fzf_key_bindings_options="setopt"
'local' '__fzf_opt'
for __fzf_opt in "${(@)${(@f)$(set -o)}%% *}"; do
if [[ -o "$__fzf_opt" ]]; then
__fzf_key_bindings_options+=" -o $__fzf_opt"
else
__fzf_key_bindings_options+=" +o $__fzf_opt"
fi
done
}
fi
'emulate' 'zsh' '-o' 'no_aliases'
{
[[ -o interactive ]] || return 0
# CTRL-T - Paste the selected file path(s) into the command line
__fsel() {
local cmd="${FZF_CTRL_T_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
-o -type f -print \
-o -type d -print \
-o -type l -print 2> /dev/null | cut -b3-"}"
setopt localoptions pipefail no_aliases 2> /dev/null
local item
eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_CTRL_T_OPTS" $(__fzfcmd) -m "$@" | while read item; do
echo -n "${(q)item} "
done
local ret=$?
echo
return $ret
}
__fzfcmd() {
[ -n "$TMUX_PANE" ] && { [ "${FZF_TMUX:-0}" != 0 ] || [ -n "$FZF_TMUX_OPTS" ]; } &&
echo "fzf-tmux ${FZF_TMUX_OPTS:--d${FZF_TMUX_HEIGHT:-40%}} -- " || echo "fzf"
}
fzf-file-widget() {
LBUFFER="${LBUFFER}$(__fsel)"
local ret=$?
zle reset-prompt
return $ret
}
zle -N fzf-file-widget
bindkey -M emacs '^T' fzf-file-widget
bindkey -M vicmd '^T' fzf-file-widget
bindkey -M viins '^T' fzf-file-widget
# ALT-C - cd into the selected directory
fzf-cd-widget() {
local cmd="${FZF_ALT_C_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
-o -type d -print 2> /dev/null | cut -b3-"}"
setopt localoptions pipefail no_aliases 2> /dev/null
local dir="$(eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse --bind=ctrl-z:ignore $FZF_DEFAULT_OPTS $FZF_ALT_C_OPTS" $(__fzfcmd) +m)"
if [[ -z "$dir" ]]; then
zle redisplay
return 0
fi
zle push-line # Clear buffer. Auto-restored on next prompt.
BUFFER="cd -- ${(q)dir}"
zle accept-line
local ret=$?
unset dir # ensure this doesn't end up appearing in prompt expansion
zle reset-prompt
return $ret
}
zle -N fzf-cd-widget
bindkey -M emacs '\ec' fzf-cd-widget
bindkey -M vicmd '\ec' fzf-cd-widget
bindkey -M viins '\ec' fzf-cd-widget
# CTRL-R - Paste the selected command from history into the command line
fzf-history-widget() {
local selected num
setopt localoptions noglobsubst noposixbuiltins pipefail no_aliases 2> /dev/null
selected=( $(fc -rl 1 | perl -ne 'print if !$seen{(/^\s*[0-9]+\**\s+(.*)/, $1)}++' |
FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} $FZF_DEFAULT_OPTS -n2..,.. --tiebreak=index --bind=ctrl-r:toggle-sort,ctrl-z:ignore $FZF_CTRL_R_OPTS --query=${(qqq)LBUFFER} +m" $(__fzfcmd)) )
local ret=$?
if [ -n "$selected" ]; then
num=$selected[1]
if [ -n "$num" ]; then
zle vi-fetch-history -n $num
fi
fi
zle reset-prompt
return $ret
}
zle -N fzf-history-widget
bindkey -M emacs '^R' fzf-history-widget
bindkey -M vicmd '^R' fzf-history-widget
bindkey -M viins '^R' fzf-history-widget
} always {
eval $__fzf_key_bindings_options
'unset' '__fzf_key_bindings_options'
}

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The MIT License (MIT)
Copyright (c) 2013-2021 Junegunn Choi
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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package algo
/*
Algorithm
---------
FuzzyMatchV1 finds the first "fuzzy" occurrence of the pattern within the given
text in O(n) time where n is the length of the text. Once the position of the
last character is located, it traverses backwards to see if there's a shorter
substring that matches the pattern.
a_____b___abc__ To find "abc"
*-----*-----*> 1. Forward scan
<*** 2. Backward scan
The algorithm is simple and fast, but as it only sees the first occurrence,
it is not guaranteed to find the occurrence with the highest score.
a_____b__c__abc
*-----*--* ***
FuzzyMatchV2 implements a modified version of Smith-Waterman algorithm to find
the optimal solution (highest score) according to the scoring criteria. Unlike
the original algorithm, omission or mismatch of a character in the pattern is
not allowed.
Performance
-----------
The new V2 algorithm is slower than V1 as it examines all occurrences of the
pattern instead of stopping immediately after finding the first one. The time
complexity of the algorithm is O(nm) if a match is found and O(n) otherwise
where n is the length of the item and m is the length of the pattern. Thus, the
performance overhead may not be noticeable for a query with high selectivity.
However, if the performance is more important than the quality of the result,
you can still choose v1 algorithm with --algo=v1.
Scoring criteria
----------------
- We prefer matches at special positions, such as the start of a word, or
uppercase character in camelCase words.
- That is, we prefer an occurrence of the pattern with more characters
matching at special positions, even if the total match length is longer.
e.g. "fuzzyfinder" vs. "fuzzy-finder" on "ff"
````````````
- Also, if the first character in the pattern appears at one of the special
positions, the bonus point for the position is multiplied by a constant
as it is extremely likely that the first character in the typed pattern
has more significance than the rest.
e.g. "fo-bar" vs. "foob-r" on "br"
``````
- But since fzf is still a fuzzy finder, not an acronym finder, we should also
consider the total length of the matched substring. This is why we have the
gap penalty. The gap penalty increases as the length of the gap (distance
between the matching characters) increases, so the effect of the bonus is
eventually cancelled at some point.
e.g. "fuzzyfinder" vs. "fuzzy-blurry-finder" on "ff"
```````````
- Consequently, it is crucial to find the right balance between the bonus
and the gap penalty. The parameters were chosen that the bonus is cancelled
when the gap size increases beyond 8 characters.
- The bonus mechanism can have the undesirable side effect where consecutive
matches are ranked lower than the ones with gaps.
e.g. "foobar" vs. "foo-bar" on "foob"
```````
- To correct this anomaly, we also give extra bonus point to each character
in a consecutive matching chunk.
e.g. "foobar" vs. "foo-bar" on "foob"
``````
- The amount of consecutive bonus is primarily determined by the bonus of the
first character in the chunk.
e.g. "foobar" vs. "out-of-bound" on "oob"
````````````
*/
import (
"bytes"
"fmt"
"strings"
"unicode"
"unicode/utf8"
"github.com/junegunn/fzf/src/util"
)
var DEBUG bool
func indexAt(index int, max int, forward bool) int {
if forward {
return index
}
return max - index - 1
}
// Result contains the results of running a match function.
type Result struct {
// TODO int32 should suffice
Start int
End int
Score int
}
const (
scoreMatch = 16
scoreGapStart = -3
scoreGapExtension = -1
// We prefer matches at the beginning of a word, but the bonus should not be
// too great to prevent the longer acronym matches from always winning over
// shorter fuzzy matches. The bonus point here was specifically chosen that
// the bonus is cancelled when the gap between the acronyms grows over
// 8 characters, which is approximately the average length of the words found
// in web2 dictionary and my file system.
bonusBoundary = scoreMatch / 2
// Although bonus point for non-word characters is non-contextual, we need it
// for computing bonus points for consecutive chunks starting with a non-word
// character.
bonusNonWord = scoreMatch / 2
// Edge-triggered bonus for matches in camelCase words.
// Compared to word-boundary case, they don't accompany single-character gaps
// (e.g. FooBar vs. foo-bar), so we deduct bonus point accordingly.
bonusCamel123 = bonusBoundary + scoreGapExtension
// Minimum bonus point given to characters in consecutive chunks.
// Note that bonus points for consecutive matches shouldn't have needed if we
// used fixed match score as in the original algorithm.
bonusConsecutive = -(scoreGapStart + scoreGapExtension)
// The first character in the typed pattern usually has more significance
// than the rest so it's important that it appears at special positions where
// bonus points are given, e.g. "to-go" vs. "ongoing" on "og" or on "ogo".
// The amount of the extra bonus should be limited so that the gap penalty is
// still respected.
bonusFirstCharMultiplier = 2
)
type charClass int
const (
charNonWord charClass = iota
charLower
charUpper
charLetter
charNumber
)
func posArray(withPos bool, len int) *[]int {
if withPos {
pos := make([]int, 0, len)
return &pos
}
return nil
}
func alloc16(offset int, slab *util.Slab, size int) (int, []int16) {
if slab != nil && cap(slab.I16) > offset+size {
slice := slab.I16[offset : offset+size]
return offset + size, slice
}
return offset, make([]int16, size)
}
func alloc32(offset int, slab *util.Slab, size int) (int, []int32) {
if slab != nil && cap(slab.I32) > offset+size {
slice := slab.I32[offset : offset+size]
return offset + size, slice
}
return offset, make([]int32, size)
}
func charClassOfAscii(char rune) charClass {
if char >= 'a' && char <= 'z' {
return charLower
} else if char >= 'A' && char <= 'Z' {
return charUpper
} else if char >= '0' && char <= '9' {
return charNumber
}
return charNonWord
}
func charClassOfNonAscii(char rune) charClass {
if unicode.IsLower(char) {
return charLower
} else if unicode.IsUpper(char) {
return charUpper
} else if unicode.IsNumber(char) {
return charNumber
} else if unicode.IsLetter(char) {
return charLetter
}
return charNonWord
}
func charClassOf(char rune) charClass {
if char <= unicode.MaxASCII {
return charClassOfAscii(char)
}
return charClassOfNonAscii(char)
}
func bonusFor(prevClass charClass, class charClass) int16 {
if prevClass == charNonWord && class != charNonWord {
// Word boundary
return bonusBoundary
} else if prevClass == charLower && class == charUpper ||
prevClass != charNumber && class == charNumber {
// camelCase letter123
return bonusCamel123
} else if class == charNonWord {
return bonusNonWord
}
return 0
}
func bonusAt(input *util.Chars, idx int) int16 {
if idx == 0 {
return bonusBoundary
}
return bonusFor(charClassOf(input.Get(idx-1)), charClassOf(input.Get(idx)))
}
func normalizeRune(r rune) rune {
if r < 0x00C0 || r > 0x2184 {
return r
}
n := normalized[r]
if n > 0 {
return n
}
return r
}
// Algo functions make two assumptions
// 1. "pattern" is given in lowercase if "caseSensitive" is false
// 2. "pattern" is already normalized if "normalize" is true
type Algo func(caseSensitive bool, normalize bool, forward bool, input *util.Chars, pattern []rune, withPos bool, slab *util.Slab) (Result, *[]int)
func trySkip(input *util.Chars, caseSensitive bool, b byte, from int) int {
byteArray := input.Bytes()[from:]
idx := bytes.IndexByte(byteArray, b)
if idx == 0 {
// Can't skip any further
return from
}
// We may need to search for the uppercase letter again. We don't have to
// consider normalization as we can be sure that this is an ASCII string.
if !caseSensitive && b >= 'a' && b <= 'z' {
if idx > 0 {
byteArray = byteArray[:idx]
}
uidx := bytes.IndexByte(byteArray, b-32)
if uidx >= 0 {
idx = uidx
}
}
if idx < 0 {
return -1
}
return from + idx
}
func isAscii(runes []rune) bool {
for _, r := range runes {
if r >= utf8.RuneSelf {
return false
}
}
return true
}
func asciiFuzzyIndex(input *util.Chars, pattern []rune, caseSensitive bool) int {
// Can't determine
if !input.IsBytes() {
return 0
}
// Not possible
if !isAscii(pattern) {
return -1
}
firstIdx, idx := 0, 0
for pidx := 0; pidx < len(pattern); pidx++ {
idx = trySkip(input, caseSensitive, byte(pattern[pidx]), idx)
if idx < 0 {
return -1
}
if pidx == 0 && idx > 0 {
// Step back to find the right bonus point
firstIdx = idx - 1
}
idx++
}
return firstIdx
}
func debugV2(T []rune, pattern []rune, F []int32, lastIdx int, H []int16, C []int16) {
width := lastIdx - int(F[0]) + 1
for i, f := range F {
I := i * width
if i == 0 {
fmt.Print(" ")
for j := int(f); j <= lastIdx; j++ {
fmt.Printf(" " + string(T[j]) + " ")
}
fmt.Println()
}
fmt.Print(string(pattern[i]) + " ")
for idx := int(F[0]); idx < int(f); idx++ {
fmt.Print(" 0 ")
}
for idx := int(f); idx <= lastIdx; idx++ {
fmt.Printf("%2d ", H[i*width+idx-int(F[0])])
}
fmt.Println()
fmt.Print(" ")
for idx, p := range C[I : I+width] {
if idx+int(F[0]) < int(F[i]) {
p = 0
}
if p > 0 {
fmt.Printf("%2d ", p)
} else {
fmt.Print(" ")
}
}
fmt.Println()
}
}
func FuzzyMatchV2(caseSensitive bool, normalize bool, forward bool, input *util.Chars, pattern []rune, withPos bool, slab *util.Slab) (Result, *[]int) {
// Assume that pattern is given in lowercase if case-insensitive.
// First check if there's a match and calculate bonus for each position.
// If the input string is too long, consider finding the matching chars in
// this phase as well (non-optimal alignment).
M := len(pattern)
if M == 0 {
return Result{0, 0, 0}, posArray(withPos, M)
}
N := input.Length()
// Since O(nm) algorithm can be prohibitively expensive for large input,
// we fall back to the greedy algorithm.
if slab != nil && N*M > cap(slab.I16) {
return FuzzyMatchV1(caseSensitive, normalize, forward, input, pattern, withPos, slab)
}
// Phase 1. Optimized search for ASCII string
idx := asciiFuzzyIndex(input, pattern, caseSensitive)
if idx < 0 {
return Result{-1, -1, 0}, nil
}
// Reuse pre-allocated integer slice to avoid unnecessary sweeping of garbages
offset16 := 0
offset32 := 0
offset16, H0 := alloc16(offset16, slab, N)
offset16, C0 := alloc16(offset16, slab, N)
// Bonus point for each position
offset16, B := alloc16(offset16, slab, N)
// The first occurrence of each character in the pattern
offset32, F := alloc32(offset32, slab, M)
// Rune array
_, T := alloc32(offset32, slab, N)
input.CopyRunes(T)
// Phase 2. Calculate bonus for each point
maxScore, maxScorePos := int16(0), 0
pidx, lastIdx := 0, 0
pchar0, pchar, prevH0, prevClass, inGap := pattern[0], pattern[0], int16(0), charNonWord, false
Tsub := T[idx:]
H0sub, C0sub, Bsub := H0[idx:][:len(Tsub)], C0[idx:][:len(Tsub)], B[idx:][:len(Tsub)]
for off, char := range Tsub {
var class charClass
if char <= unicode.MaxASCII {
class = charClassOfAscii(char)
if !caseSensitive && class == charUpper {
char += 32
}
} else {
class = charClassOfNonAscii(char)
if !caseSensitive && class == charUpper {
char = unicode.To(unicode.LowerCase, char)
}
if normalize {
char = normalizeRune(char)
}
}
Tsub[off] = char
bonus := bonusFor(prevClass, class)
Bsub[off] = bonus
prevClass = class
if char == pchar {
if pidx < M {
F[pidx] = int32(idx + off)
pidx++
pchar = pattern[util.Min(pidx, M-1)]
}
lastIdx = idx + off
}
if char == pchar0 {
score := scoreMatch + bonus*bonusFirstCharMultiplier
H0sub[off] = score
C0sub[off] = 1
if M == 1 && (forward && score > maxScore || !forward && score >= maxScore) {
maxScore, maxScorePos = score, idx+off
if forward && bonus == bonusBoundary {
break
}
}
inGap = false
} else {
if inGap {
H0sub[off] = util.Max16(prevH0+scoreGapExtension, 0)
} else {
H0sub[off] = util.Max16(prevH0+scoreGapStart, 0)
}
C0sub[off] = 0
inGap = true
}
prevH0 = H0sub[off]
}
if pidx != M {
return Result{-1, -1, 0}, nil
}
if M == 1 {
result := Result{maxScorePos, maxScorePos + 1, int(maxScore)}
if !withPos {
return result, nil
}
pos := []int{maxScorePos}
return result, &pos
}
// Phase 3. Fill in score matrix (H)
// Unlike the original algorithm, we do not allow omission.
f0 := int(F[0])
width := lastIdx - f0 + 1
offset16, H := alloc16(offset16, slab, width*M)
copy(H, H0[f0:lastIdx+1])
// Possible length of consecutive chunk at each position.
_, C := alloc16(offset16, slab, width*M)
copy(C, C0[f0:lastIdx+1])
Fsub := F[1:]
Psub := pattern[1:][:len(Fsub)]
for off, f := range Fsub {
f := int(f)
pchar := Psub[off]
pidx := off + 1
row := pidx * width
inGap := false
Tsub := T[f : lastIdx+1]
Bsub := B[f:][:len(Tsub)]
Csub := C[row+f-f0:][:len(Tsub)]
Cdiag := C[row+f-f0-1-width:][:len(Tsub)]
Hsub := H[row+f-f0:][:len(Tsub)]
Hdiag := H[row+f-f0-1-width:][:len(Tsub)]
Hleft := H[row+f-f0-1:][:len(Tsub)]
Hleft[0] = 0
for off, char := range Tsub {
col := off + f
var s1, s2, consecutive int16
if inGap {
s2 = Hleft[off] + scoreGapExtension
} else {
s2 = Hleft[off] + scoreGapStart
}
if pchar == char {
s1 = Hdiag[off] + scoreMatch
b := Bsub[off]
consecutive = Cdiag[off] + 1
// Break consecutive chunk
if b == bonusBoundary {
consecutive = 1
} else if consecutive > 1 {
b = util.Max16(b, util.Max16(bonusConsecutive, B[col-int(consecutive)+1]))
}
if s1+b < s2 {
s1 += Bsub[off]
consecutive = 0
} else {
s1 += b
}
}
Csub[off] = consecutive
inGap = s1 < s2
score := util.Max16(util.Max16(s1, s2), 0)
if pidx == M-1 && (forward && score > maxScore || !forward && score >= maxScore) {
maxScore, maxScorePos = score, col
}
Hsub[off] = score
}
}
if DEBUG {
debugV2(T, pattern, F, lastIdx, H, C)
}
// Phase 4. (Optional) Backtrace to find character positions
pos := posArray(withPos, M)
j := f0
if withPos {
i := M - 1
j = maxScorePos
preferMatch := true
for {
I := i * width
j0 := j - f0
s := H[I+j0]
var s1, s2 int16
if i > 0 && j >= int(F[i]) {
s1 = H[I-width+j0-1]
}
if j > int(F[i]) {
s2 = H[I+j0-1]
}
if s > s1 && (s > s2 || s == s2 && preferMatch) {
*pos = append(*pos, j)
if i == 0 {
break
}
i--
}
preferMatch = C[I+j0] > 1 || I+width+j0+1 < len(C) && C[I+width+j0+1] > 0
j--
}
}
// Start offset we return here is only relevant when begin tiebreak is used.
// However finding the accurate offset requires backtracking, and we don't
// want to pay extra cost for the option that has lost its importance.
return Result{j, maxScorePos + 1, int(maxScore)}, pos
}
// Implement the same sorting criteria as V2
func calculateScore(caseSensitive bool, normalize bool, text *util.Chars, pattern []rune, sidx int, eidx int, withPos bool) (int, *[]int) {
pidx, score, inGap, consecutive, firstBonus := 0, 0, false, 0, int16(0)
pos := posArray(withPos, len(pattern))
prevClass := charNonWord
if sidx > 0 {
prevClass = charClassOf(text.Get(sidx - 1))
}
for idx := sidx; idx < eidx; idx++ {
char := text.Get(idx)
class := charClassOf(char)
if !caseSensitive {
if char >= 'A' && char <= 'Z' {
char += 32
} else if char > unicode.MaxASCII {
char = unicode.To(unicode.LowerCase, char)
}
}
// pattern is already normalized
if normalize {
char = normalizeRune(char)
}
if char == pattern[pidx] {
if withPos {
*pos = append(*pos, idx)
}
score += scoreMatch
bonus := bonusFor(prevClass, class)
if consecutive == 0 {
firstBonus = bonus
} else {
// Break consecutive chunk
if bonus == bonusBoundary {
firstBonus = bonus
}
bonus = util.Max16(util.Max16(bonus, firstBonus), bonusConsecutive)
}
if pidx == 0 {
score += int(bonus * bonusFirstCharMultiplier)
} else {
score += int(bonus)
}
inGap = false
consecutive++
pidx++
} else {
if inGap {
score += scoreGapExtension
} else {
score += scoreGapStart
}
inGap = true
consecutive = 0
firstBonus = 0
}
prevClass = class
}
return score, pos
}
// FuzzyMatchV1 performs fuzzy-match
func FuzzyMatchV1(caseSensitive bool, normalize bool, forward bool, text *util.Chars, pattern []rune, withPos bool, slab *util.Slab) (Result, *[]int) {
if len(pattern) == 0 {
return Result{0, 0, 0}, nil
}
if asciiFuzzyIndex(text, pattern, caseSensitive) < 0 {
return Result{-1, -1, 0}, nil
}
pidx := 0
sidx := -1
eidx := -1
lenRunes := text.Length()
lenPattern := len(pattern)
for index := 0; index < lenRunes; index++ {
char := text.Get(indexAt(index, lenRunes, forward))
// This is considerably faster than blindly applying strings.ToLower to the
// whole string
if !caseSensitive {
// Partially inlining `unicode.ToLower`. Ugly, but makes a noticeable
// difference in CPU cost. (Measured on Go 1.4.1. Also note that the Go
// compiler as of now does not inline non-leaf functions.)
if char >= 'A' && char <= 'Z' {
char += 32
} else if char > unicode.MaxASCII {
char = unicode.To(unicode.LowerCase, char)
}
}
if normalize {
char = normalizeRune(char)
}
pchar := pattern[indexAt(pidx, lenPattern, forward)]
if char == pchar {
if sidx < 0 {
sidx = index
}
if pidx++; pidx == lenPattern {
eidx = index + 1
break
}
}
}
if sidx >= 0 && eidx >= 0 {
pidx--
for index := eidx - 1; index >= sidx; index-- {
tidx := indexAt(index, lenRunes, forward)
char := text.Get(tidx)
if !caseSensitive {
if char >= 'A' && char <= 'Z' {
char += 32
} else if char > unicode.MaxASCII {
char = unicode.To(unicode.LowerCase, char)
}
}
pidx_ := indexAt(pidx, lenPattern, forward)
pchar := pattern[pidx_]
if char == pchar {
if pidx--; pidx < 0 {
sidx = index
break
}
}
}
if !forward {
sidx, eidx = lenRunes-eidx, lenRunes-sidx
}
score, pos := calculateScore(caseSensitive, normalize, text, pattern, sidx, eidx, withPos)
return Result{sidx, eidx, score}, pos
}
return Result{-1, -1, 0}, nil
}
// ExactMatchNaive is a basic string searching algorithm that handles case
// sensitivity. Although naive, it still performs better than the combination
// of strings.ToLower + strings.Index for typical fzf use cases where input
// strings and patterns are not very long.
//
// Since 0.15.0, this function searches for the match with the highest
// bonus point, instead of stopping immediately after finding the first match.
// The solution is much cheaper since there is only one possible alignment of
// the pattern.
func ExactMatchNaive(caseSensitive bool, normalize bool, forward bool, text *util.Chars, pattern []rune, withPos bool, slab *util.Slab) (Result, *[]int) {
if len(pattern) == 0 {
return Result{0, 0, 0}, nil
}
lenRunes := text.Length()
lenPattern := len(pattern)
if lenRunes < lenPattern {
return Result{-1, -1, 0}, nil
}
if asciiFuzzyIndex(text, pattern, caseSensitive) < 0 {
return Result{-1, -1, 0}, nil
}
// For simplicity, only look at the bonus at the first character position
pidx := 0
bestPos, bonus, bestBonus := -1, int16(0), int16(-1)
for index := 0; index < lenRunes; index++ {
index_ := indexAt(index, lenRunes, forward)
char := text.Get(index_)
if !caseSensitive {
if char >= 'A' && char <= 'Z' {
char += 32
} else if char > unicode.MaxASCII {
char = unicode.To(unicode.LowerCase, char)
}
}
if normalize {
char = normalizeRune(char)
}
pidx_ := indexAt(pidx, lenPattern, forward)
pchar := pattern[pidx_]
if pchar == char {
if pidx_ == 0 {
bonus = bonusAt(text, index_)
}
pidx++
if pidx == lenPattern {
if bonus > bestBonus {
bestPos, bestBonus = index, bonus
}
if bonus == bonusBoundary {
break
}
index -= pidx - 1
pidx, bonus = 0, 0
}
} else {
index -= pidx
pidx, bonus = 0, 0
}
}
if bestPos >= 0 {
var sidx, eidx int
if forward {
sidx = bestPos - lenPattern + 1
eidx = bestPos + 1
} else {
sidx = lenRunes - (bestPos + 1)
eidx = lenRunes - (bestPos - lenPattern + 1)
}
score, _ := calculateScore(caseSensitive, normalize, text, pattern, sidx, eidx, false)
return Result{sidx, eidx, score}, nil
}
return Result{-1, -1, 0}, nil
}
// PrefixMatch performs prefix-match
func PrefixMatch(caseSensitive bool, normalize bool, forward bool, text *util.Chars, pattern []rune, withPos bool, slab *util.Slab) (Result, *[]int) {
if len(pattern) == 0 {
return Result{0, 0, 0}, nil
}
trimmedLen := 0
if !unicode.IsSpace(pattern[0]) {
trimmedLen = text.LeadingWhitespaces()
}
if text.Length()-trimmedLen < len(pattern) {
return Result{-1, -1, 0}, nil
}
for index, r := range pattern {
char := text.Get(trimmedLen + index)
if !caseSensitive {
char = unicode.ToLower(char)
}
if normalize {
char = normalizeRune(char)
}
if char != r {
return Result{-1, -1, 0}, nil
}
}
lenPattern := len(pattern)
score, _ := calculateScore(caseSensitive, normalize, text, pattern, trimmedLen, trimmedLen+lenPattern, false)
return Result{trimmedLen, trimmedLen + lenPattern, score}, nil
}
// SuffixMatch performs suffix-match
func SuffixMatch(caseSensitive bool, normalize bool, forward bool, text *util.Chars, pattern []rune, withPos bool, slab *util.Slab) (Result, *[]int) {
lenRunes := text.Length()
trimmedLen := lenRunes
if len(pattern) == 0 || !unicode.IsSpace(pattern[len(pattern)-1]) {
trimmedLen -= text.TrailingWhitespaces()
}
if len(pattern) == 0 {
return Result{trimmedLen, trimmedLen, 0}, nil
}
diff := trimmedLen - len(pattern)
if diff < 0 {
return Result{-1, -1, 0}, nil
}
for index, r := range pattern {
char := text.Get(index + diff)
if !caseSensitive {
char = unicode.ToLower(char)
}
if normalize {
char = normalizeRune(char)
}
if char != r {
return Result{-1, -1, 0}, nil
}
}
lenPattern := len(pattern)
sidx := trimmedLen - lenPattern
eidx := trimmedLen
score, _ := calculateScore(caseSensitive, normalize, text, pattern, sidx, eidx, false)
return Result{sidx, eidx, score}, nil
}
// EqualMatch performs equal-match
func EqualMatch(caseSensitive bool, normalize bool, forward bool, text *util.Chars, pattern []rune, withPos bool, slab *util.Slab) (Result, *[]int) {
lenPattern := len(pattern)
if lenPattern == 0 {
return Result{-1, -1, 0}, nil
}
// Strip leading whitespaces
trimmedLen := 0
if !unicode.IsSpace(pattern[0]) {
trimmedLen = text.LeadingWhitespaces()
}
// Strip trailing whitespaces
trimmedEndLen := 0
if !unicode.IsSpace(pattern[lenPattern-1]) {
trimmedEndLen = text.TrailingWhitespaces()
}
if text.Length()-trimmedLen-trimmedEndLen != lenPattern {
return Result{-1, -1, 0}, nil
}
match := true
if normalize {
runes := text.ToRunes()
for idx, pchar := range pattern {
char := runes[trimmedLen+idx]
if !caseSensitive {
char = unicode.To(unicode.LowerCase, char)
}
if normalizeRune(pchar) != normalizeRune(char) {
match = false
break
}
}
} else {
runes := text.ToRunes()
runesStr := string(runes[trimmedLen : len(runes)-trimmedEndLen])
if !caseSensitive {
runesStr = strings.ToLower(runesStr)
}
match = runesStr == string(pattern)
}
if match {
return Result{trimmedLen, trimmedLen + lenPattern, (scoreMatch+bonusBoundary)*lenPattern +
(bonusFirstCharMultiplier-1)*bonusBoundary}, nil
}
return Result{-1, -1, 0}, nil
}

197
fzf/fzf/src/algo/algo_test.go Normal file
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package algo
import (
"math"
"sort"
"strings"
"testing"
"github.com/junegunn/fzf/src/util"
)
func assertMatch(t *testing.T, fun Algo, caseSensitive, forward bool, input, pattern string, sidx int, eidx int, score int) {
assertMatch2(t, fun, caseSensitive, false, forward, input, pattern, sidx, eidx, score)
}
func assertMatch2(t *testing.T, fun Algo, caseSensitive, normalize, forward bool, input, pattern string, sidx int, eidx int, score int) {
if !caseSensitive {
pattern = strings.ToLower(pattern)
}
chars := util.ToChars([]byte(input))
res, pos := fun(caseSensitive, normalize, forward, &chars, []rune(pattern), true, nil)
var start, end int
if pos == nil || len(*pos) == 0 {
start = res.Start
end = res.End
} else {
sort.Ints(*pos)
start = (*pos)[0]
end = (*pos)[len(*pos)-1] + 1
}
if start != sidx {
t.Errorf("Invalid start index: %d (expected: %d, %s / %s)", start, sidx, input, pattern)
}
if end != eidx {
t.Errorf("Invalid end index: %d (expected: %d, %s / %s)", end, eidx, input, pattern)
}
if res.Score != score {
t.Errorf("Invalid score: %d (expected: %d, %s / %s)", res.Score, score, input, pattern)
}
}
func TestFuzzyMatch(t *testing.T) {
for _, fn := range []Algo{FuzzyMatchV1, FuzzyMatchV2} {
for _, forward := range []bool{true, false} {
assertMatch(t, fn, false, forward, "fooBarbaz1", "oBZ", 2, 9,
scoreMatch*3+bonusCamel123+scoreGapStart+scoreGapExtension*3)
assertMatch(t, fn, false, forward, "foo bar baz", "fbb", 0, 9,
scoreMatch*3+bonusBoundary*bonusFirstCharMultiplier+
bonusBoundary*2+2*scoreGapStart+4*scoreGapExtension)
assertMatch(t, fn, false, forward, "/AutomatorDocument.icns", "rdoc", 9, 13,
scoreMatch*4+bonusCamel123+bonusConsecutive*2)
assertMatch(t, fn, false, forward, "/man1/zshcompctl.1", "zshc", 6, 10,
scoreMatch*4+bonusBoundary*bonusFirstCharMultiplier+bonusBoundary*3)
assertMatch(t, fn, false, forward, "/.oh-my-zsh/cache", "zshc", 8, 13,
scoreMatch*4+bonusBoundary*bonusFirstCharMultiplier+bonusBoundary*3+scoreGapStart)
assertMatch(t, fn, false, forward, "ab0123 456", "12356", 3, 10,
scoreMatch*5+bonusConsecutive*3+scoreGapStart+scoreGapExtension)
assertMatch(t, fn, false, forward, "abc123 456", "12356", 3, 10,
scoreMatch*5+bonusCamel123*bonusFirstCharMultiplier+bonusCamel123*2+bonusConsecutive+scoreGapStart+scoreGapExtension)
assertMatch(t, fn, false, forward, "foo/bar/baz", "fbb", 0, 9,
scoreMatch*3+bonusBoundary*bonusFirstCharMultiplier+
bonusBoundary*2+2*scoreGapStart+4*scoreGapExtension)
assertMatch(t, fn, false, forward, "fooBarBaz", "fbb", 0, 7,
scoreMatch*3+bonusBoundary*bonusFirstCharMultiplier+
bonusCamel123*2+2*scoreGapStart+2*scoreGapExtension)
assertMatch(t, fn, false, forward, "foo barbaz", "fbb", 0, 8,
scoreMatch*3+bonusBoundary*bonusFirstCharMultiplier+bonusBoundary+
scoreGapStart*2+scoreGapExtension*3)
assertMatch(t, fn, false, forward, "fooBar Baz", "foob", 0, 4,
scoreMatch*4+bonusBoundary*bonusFirstCharMultiplier+bonusBoundary*3)
assertMatch(t, fn, false, forward, "xFoo-Bar Baz", "foo-b", 1, 6,
scoreMatch*5+bonusCamel123*bonusFirstCharMultiplier+bonusCamel123*2+
bonusNonWord+bonusBoundary)
assertMatch(t, fn, true, forward, "fooBarbaz", "oBz", 2, 9,
scoreMatch*3+bonusCamel123+scoreGapStart+scoreGapExtension*3)
assertMatch(t, fn, true, forward, "Foo/Bar/Baz", "FBB", 0, 9,
scoreMatch*3+bonusBoundary*(bonusFirstCharMultiplier+2)+
scoreGapStart*2+scoreGapExtension*4)
assertMatch(t, fn, true, forward, "FooBarBaz", "FBB", 0, 7,
scoreMatch*3+bonusBoundary*bonusFirstCharMultiplier+bonusCamel123*2+
scoreGapStart*2+scoreGapExtension*2)
assertMatch(t, fn, true, forward, "FooBar Baz", "FooB", 0, 4,
scoreMatch*4+bonusBoundary*bonusFirstCharMultiplier+bonusBoundary*2+
util.Max(bonusCamel123, bonusBoundary))
// Consecutive bonus updated
assertMatch(t, fn, true, forward, "foo-bar", "o-ba", 2, 6,
scoreMatch*4+bonusBoundary*3)
// Non-match
assertMatch(t, fn, true, forward, "fooBarbaz", "oBZ", -1, -1, 0)
assertMatch(t, fn, true, forward, "Foo Bar Baz", "fbb", -1, -1, 0)
assertMatch(t, fn, true, forward, "fooBarbaz", "fooBarbazz", -1, -1, 0)
}
}
}
func TestFuzzyMatchBackward(t *testing.T) {
assertMatch(t, FuzzyMatchV1, false, true, "foobar fb", "fb", 0, 4,
scoreMatch*2+bonusBoundary*bonusFirstCharMultiplier+
scoreGapStart+scoreGapExtension)
assertMatch(t, FuzzyMatchV1, false, false, "foobar fb", "fb", 7, 9,
scoreMatch*2+bonusBoundary*bonusFirstCharMultiplier+bonusBoundary)
}
func TestExactMatchNaive(t *testing.T) {
for _, dir := range []bool{true, false} {
assertMatch(t, ExactMatchNaive, true, dir, "fooBarbaz", "oBA", -1, -1, 0)
assertMatch(t, ExactMatchNaive, true, dir, "fooBarbaz", "fooBarbazz", -1, -1, 0)
assertMatch(t, ExactMatchNaive, false, dir, "fooBarbaz", "oBA", 2, 5,
scoreMatch*3+bonusCamel123+bonusConsecutive)
assertMatch(t, ExactMatchNaive, false, dir, "/AutomatorDocument.icns", "rdoc", 9, 13,
scoreMatch*4+bonusCamel123+bonusConsecutive*2)
assertMatch(t, ExactMatchNaive, false, dir, "/man1/zshcompctl.1", "zshc", 6, 10,
scoreMatch*4+bonusBoundary*(bonusFirstCharMultiplier+3))
assertMatch(t, ExactMatchNaive, false, dir, "/.oh-my-zsh/cache", "zsh/c", 8, 13,
scoreMatch*5+bonusBoundary*(bonusFirstCharMultiplier+4))
}
}
func TestExactMatchNaiveBackward(t *testing.T) {
assertMatch(t, ExactMatchNaive, false, true, "foobar foob", "oo", 1, 3,
scoreMatch*2+bonusConsecutive)
assertMatch(t, ExactMatchNaive, false, false, "foobar foob", "oo", 8, 10,
scoreMatch*2+bonusConsecutive)
}
func TestPrefixMatch(t *testing.T) {
score := (scoreMatch+bonusBoundary)*3 + bonusBoundary*(bonusFirstCharMultiplier-1)
for _, dir := range []bool{true, false} {
assertMatch(t, PrefixMatch, true, dir, "fooBarbaz", "Foo", -1, -1, 0)
assertMatch(t, PrefixMatch, false, dir, "fooBarBaz", "baz", -1, -1, 0)
assertMatch(t, PrefixMatch, false, dir, "fooBarbaz", "Foo", 0, 3, score)
assertMatch(t, PrefixMatch, false, dir, "foOBarBaZ", "foo", 0, 3, score)
assertMatch(t, PrefixMatch, false, dir, "f-oBarbaz", "f-o", 0, 3, score)
assertMatch(t, PrefixMatch, false, dir, " fooBar", "foo", 1, 4, score)
assertMatch(t, PrefixMatch, false, dir, " fooBar", " fo", 0, 3, score)
assertMatch(t, PrefixMatch, false, dir, " fo", "foo", -1, -1, 0)
}
}
func TestSuffixMatch(t *testing.T) {
for _, dir := range []bool{true, false} {
assertMatch(t, SuffixMatch, true, dir, "fooBarbaz", "Baz", -1, -1, 0)
assertMatch(t, SuffixMatch, false, dir, "fooBarbaz", "Foo", -1, -1, 0)
assertMatch(t, SuffixMatch, false, dir, "fooBarbaz", "baz", 6, 9,
scoreMatch*3+bonusConsecutive*2)
assertMatch(t, SuffixMatch, false, dir, "fooBarBaZ", "baz", 6, 9,
(scoreMatch+bonusCamel123)*3+bonusCamel123*(bonusFirstCharMultiplier-1))
// Strip trailing white space from the string
assertMatch(t, SuffixMatch, false, dir, "fooBarbaz ", "baz", 6, 9,
scoreMatch*3+bonusConsecutive*2)
// Only when the pattern doesn't end with a space
assertMatch(t, SuffixMatch, false, dir, "fooBarbaz ", "baz ", 6, 10,
scoreMatch*4+bonusConsecutive*2+bonusNonWord)
}
}
func TestEmptyPattern(t *testing.T) {
for _, dir := range []bool{true, false} {
assertMatch(t, FuzzyMatchV1, true, dir, "foobar", "", 0, 0, 0)
assertMatch(t, FuzzyMatchV2, true, dir, "foobar", "", 0, 0, 0)
assertMatch(t, ExactMatchNaive, true, dir, "foobar", "", 0, 0, 0)
assertMatch(t, PrefixMatch, true, dir, "foobar", "", 0, 0, 0)
assertMatch(t, SuffixMatch, true, dir, "foobar", "", 6, 6, 0)
}
}
func TestNormalize(t *testing.T) {
caseSensitive := false
normalize := true
forward := true
test := func(input, pattern string, sidx, eidx, score int, funs ...Algo) {
for _, fun := range funs {
assertMatch2(t, fun, caseSensitive, normalize, forward,
input, pattern, sidx, eidx, score)
}
}
test("Só Danço Samba", "So", 0, 2, 56, FuzzyMatchV1, FuzzyMatchV2, PrefixMatch, ExactMatchNaive)
test("Só Danço Samba", "sodc", 0, 7, 89, FuzzyMatchV1, FuzzyMatchV2)
test("Danço", "danco", 0, 5, 128, FuzzyMatchV1, FuzzyMatchV2, PrefixMatch, SuffixMatch, ExactMatchNaive, EqualMatch)
}
func TestLongString(t *testing.T) {
bytes := make([]byte, math.MaxUint16*2)
for i := range bytes {
bytes[i] = 'x'
}
bytes[math.MaxUint16] = 'z'
assertMatch(t, FuzzyMatchV2, true, true, string(bytes), "zx", math.MaxUint16, math.MaxUint16+2, scoreMatch*2+bonusConsecutive)
}

492
fzf/fzf/src/algo/normalize.go Normal file
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// Normalization of latin script letters
// Reference: http://www.unicode.org/Public/UCD/latest/ucd/Index.txt
package algo
var normalized map[rune]rune = map[rune]rune{
0x00E1: 'a', // WITH ACUTE, LATIN SMALL LETTER
0x0103: 'a', // WITH BREVE, LATIN SMALL LETTER
0x01CE: 'a', // WITH CARON, LATIN SMALL LETTER
0x00E2: 'a', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x00E4: 'a', // WITH DIAERESIS, LATIN SMALL LETTER
0x0227: 'a', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1EA1: 'a', // WITH DOT BELOW, LATIN SMALL LETTER
0x0201: 'a', // WITH DOUBLE GRAVE, LATIN SMALL LETTER
0x00E0: 'a', // WITH GRAVE, LATIN SMALL LETTER
0x1EA3: 'a', // WITH HOOK ABOVE, LATIN SMALL LETTER
0x0203: 'a', // WITH INVERTED BREVE, LATIN SMALL LETTER
0x0101: 'a', // WITH MACRON, LATIN SMALL LETTER
0x0105: 'a', // WITH OGONEK, LATIN SMALL LETTER
0x1E9A: 'a', // WITH RIGHT HALF RING, LATIN SMALL LETTER
0x00E5: 'a', // WITH RING ABOVE, LATIN SMALL LETTER
0x1E01: 'a', // WITH RING BELOW, LATIN SMALL LETTER
0x00E3: 'a', // WITH TILDE, LATIN SMALL LETTER
0x0363: 'a', // , COMBINING LATIN SMALL LETTER
0x0250: 'a', // , LATIN SMALL LETTER TURNED
0x1E03: 'b', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E05: 'b', // WITH DOT BELOW, LATIN SMALL LETTER
0x0253: 'b', // WITH HOOK, LATIN SMALL LETTER
0x1E07: 'b', // WITH LINE BELOW, LATIN SMALL LETTER
0x0180: 'b', // WITH STROKE, LATIN SMALL LETTER
0x0183: 'b', // WITH TOPBAR, LATIN SMALL LETTER
0x0107: 'c', // WITH ACUTE, LATIN SMALL LETTER
0x010D: 'c', // WITH CARON, LATIN SMALL LETTER
0x00E7: 'c', // WITH CEDILLA, LATIN SMALL LETTER
0x0109: 'c', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x0255: 'c', // WITH CURL, LATIN SMALL LETTER
0x010B: 'c', // WITH DOT ABOVE, LATIN SMALL LETTER
0x0188: 'c', // WITH HOOK, LATIN SMALL LETTER
0x023C: 'c', // WITH STROKE, LATIN SMALL LETTER
0x0368: 'c', // , COMBINING LATIN SMALL LETTER
0x0297: 'c', // , LATIN LETTER STRETCHED
0x2184: 'c', // , LATIN SMALL LETTER REVERSED
0x010F: 'd', // WITH CARON, LATIN SMALL LETTER
0x1E11: 'd', // WITH CEDILLA, LATIN SMALL LETTER
0x1E13: 'd', // WITH CIRCUMFLEX BELOW, LATIN SMALL LETTER
0x0221: 'd', // WITH CURL, LATIN SMALL LETTER
0x1E0B: 'd', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E0D: 'd', // WITH DOT BELOW, LATIN SMALL LETTER
0x0257: 'd', // WITH HOOK, LATIN SMALL LETTER
0x1E0F: 'd', // WITH LINE BELOW, LATIN SMALL LETTER
0x0111: 'd', // WITH STROKE, LATIN SMALL LETTER
0x0256: 'd', // WITH TAIL, LATIN SMALL LETTER
0x018C: 'd', // WITH TOPBAR, LATIN SMALL LETTER
0x0369: 'd', // , COMBINING LATIN SMALL LETTER
0x00E9: 'e', // WITH ACUTE, LATIN SMALL LETTER
0x0115: 'e', // WITH BREVE, LATIN SMALL LETTER
0x011B: 'e', // WITH CARON, LATIN SMALL LETTER
0x0229: 'e', // WITH CEDILLA, LATIN SMALL LETTER
0x1E19: 'e', // WITH CIRCUMFLEX BELOW, LATIN SMALL LETTER
0x00EA: 'e', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x00EB: 'e', // WITH DIAERESIS, LATIN SMALL LETTER
0x0117: 'e', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1EB9: 'e', // WITH DOT BELOW, LATIN SMALL LETTER
0x0205: 'e', // WITH DOUBLE GRAVE, LATIN SMALL LETTER
0x00E8: 'e', // WITH GRAVE, LATIN SMALL LETTER
0x1EBB: 'e', // WITH HOOK ABOVE, LATIN SMALL LETTER
0x025D: 'e', // WITH HOOK, LATIN SMALL LETTER REVERSED OPEN
0x0207: 'e', // WITH INVERTED BREVE, LATIN SMALL LETTER
0x0113: 'e', // WITH MACRON, LATIN SMALL LETTER
0x0119: 'e', // WITH OGONEK, LATIN SMALL LETTER
0x0247: 'e', // WITH STROKE, LATIN SMALL LETTER
0x1E1B: 'e', // WITH TILDE BELOW, LATIN SMALL LETTER
0x1EBD: 'e', // WITH TILDE, LATIN SMALL LETTER
0x0364: 'e', // , COMBINING LATIN SMALL LETTER
0x029A: 'e', // , LATIN SMALL LETTER CLOSED OPEN
0x025E: 'e', // , LATIN SMALL LETTER CLOSED REVERSED OPEN
0x025B: 'e', // , LATIN SMALL LETTER OPEN
0x0258: 'e', // , LATIN SMALL LETTER REVERSED
0x025C: 'e', // , LATIN SMALL LETTER REVERSED OPEN
0x01DD: 'e', // , LATIN SMALL LETTER TURNED
0x1D08: 'e', // , LATIN SMALL LETTER TURNED OPEN
0x1E1F: 'f', // WITH DOT ABOVE, LATIN SMALL LETTER
0x0192: 'f', // WITH HOOK, LATIN SMALL LETTER
0x01F5: 'g', // WITH ACUTE, LATIN SMALL LETTER
0x011F: 'g', // WITH BREVE, LATIN SMALL LETTER
0x01E7: 'g', // WITH CARON, LATIN SMALL LETTER
0x0123: 'g', // WITH CEDILLA, LATIN SMALL LETTER
0x011D: 'g', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x0121: 'g', // WITH DOT ABOVE, LATIN SMALL LETTER
0x0260: 'g', // WITH HOOK, LATIN SMALL LETTER
0x1E21: 'g', // WITH MACRON, LATIN SMALL LETTER
0x01E5: 'g', // WITH STROKE, LATIN SMALL LETTER
0x0261: 'g', // , LATIN SMALL LETTER SCRIPT
0x1E2B: 'h', // WITH BREVE BELOW, LATIN SMALL LETTER
0x021F: 'h', // WITH CARON, LATIN SMALL LETTER
0x1E29: 'h', // WITH CEDILLA, LATIN SMALL LETTER
0x0125: 'h', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x1E27: 'h', // WITH DIAERESIS, LATIN SMALL LETTER
0x1E23: 'h', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E25: 'h', // WITH DOT BELOW, LATIN SMALL LETTER
0x02AE: 'h', // WITH FISHHOOK, LATIN SMALL LETTER TURNED
0x0266: 'h', // WITH HOOK, LATIN SMALL LETTER
0x1E96: 'h', // WITH LINE BELOW, LATIN SMALL LETTER
0x0127: 'h', // WITH STROKE, LATIN SMALL LETTER
0x036A: 'h', // , COMBINING LATIN SMALL LETTER
0x0265: 'h', // , LATIN SMALL LETTER TURNED
0x2095: 'h', // , LATIN SUBSCRIPT SMALL LETTER
0x00ED: 'i', // WITH ACUTE, LATIN SMALL LETTER
0x012D: 'i', // WITH BREVE, LATIN SMALL LETTER
0x01D0: 'i', // WITH CARON, LATIN SMALL LETTER
0x00EE: 'i', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x00EF: 'i', // WITH DIAERESIS, LATIN SMALL LETTER
0x1ECB: 'i', // WITH DOT BELOW, LATIN SMALL LETTER
0x0209: 'i', // WITH DOUBLE GRAVE, LATIN SMALL LETTER
0x00EC: 'i', // WITH GRAVE, LATIN SMALL LETTER
0x1EC9: 'i', // WITH HOOK ABOVE, LATIN SMALL LETTER
0x020B: 'i', // WITH INVERTED BREVE, LATIN SMALL LETTER
0x012B: 'i', // WITH MACRON, LATIN SMALL LETTER
0x012F: 'i', // WITH OGONEK, LATIN SMALL LETTER
0x0268: 'i', // WITH STROKE, LATIN SMALL LETTER
0x1E2D: 'i', // WITH TILDE BELOW, LATIN SMALL LETTER
0x0129: 'i', // WITH TILDE, LATIN SMALL LETTER
0x0365: 'i', // , COMBINING LATIN SMALL LETTER
0x0131: 'i', // , LATIN SMALL LETTER DOTLESS
0x1D09: 'i', // , LATIN SMALL LETTER TURNED
0x1D62: 'i', // , LATIN SUBSCRIPT SMALL LETTER
0x2071: 'i', // , SUPERSCRIPT LATIN SMALL LETTER
0x01F0: 'j', // WITH CARON, LATIN SMALL LETTER
0x0135: 'j', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x029D: 'j', // WITH CROSSED-TAIL, LATIN SMALL LETTER
0x0249: 'j', // WITH STROKE, LATIN SMALL LETTER
0x025F: 'j', // WITH STROKE, LATIN SMALL LETTER DOTLESS
0x0237: 'j', // , LATIN SMALL LETTER DOTLESS
0x1E31: 'k', // WITH ACUTE, LATIN SMALL LETTER
0x01E9: 'k', // WITH CARON, LATIN SMALL LETTER
0x0137: 'k', // WITH CEDILLA, LATIN SMALL LETTER
0x1E33: 'k', // WITH DOT BELOW, LATIN SMALL LETTER
0x0199: 'k', // WITH HOOK, LATIN SMALL LETTER
0x1E35: 'k', // WITH LINE BELOW, LATIN SMALL LETTER
0x029E: 'k', // , LATIN SMALL LETTER TURNED
0x2096: 'k', // , LATIN SUBSCRIPT SMALL LETTER
0x013A: 'l', // WITH ACUTE, LATIN SMALL LETTER
0x019A: 'l', // WITH BAR, LATIN SMALL LETTER
0x026C: 'l', // WITH BELT, LATIN SMALL LETTER
0x013E: 'l', // WITH CARON, LATIN SMALL LETTER
0x013C: 'l', // WITH CEDILLA, LATIN SMALL LETTER
0x1E3D: 'l', // WITH CIRCUMFLEX BELOW, LATIN SMALL LETTER
0x0234: 'l', // WITH CURL, LATIN SMALL LETTER
0x1E37: 'l', // WITH DOT BELOW, LATIN SMALL LETTER
0x1E3B: 'l', // WITH LINE BELOW, LATIN SMALL LETTER
0x0140: 'l', // WITH MIDDLE DOT, LATIN SMALL LETTER
0x026B: 'l', // WITH MIDDLE TILDE, LATIN SMALL LETTER
0x026D: 'l', // WITH RETROFLEX HOOK, LATIN SMALL LETTER
0x0142: 'l', // WITH STROKE, LATIN SMALL LETTER
0x2097: 'l', // , LATIN SUBSCRIPT SMALL LETTER
0x1E3F: 'm', // WITH ACUTE, LATIN SMALL LETTER
0x1E41: 'm', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E43: 'm', // WITH DOT BELOW, LATIN SMALL LETTER
0x0271: 'm', // WITH HOOK, LATIN SMALL LETTER
0x0270: 'm', // WITH LONG LEG, LATIN SMALL LETTER TURNED
0x036B: 'm', // , COMBINING LATIN SMALL LETTER
0x1D1F: 'm', // , LATIN SMALL LETTER SIDEWAYS TURNED
0x026F: 'm', // , LATIN SMALL LETTER TURNED
0x2098: 'm', // , LATIN SUBSCRIPT SMALL LETTER
0x0144: 'n', // WITH ACUTE, LATIN SMALL LETTER
0x0148: 'n', // WITH CARON, LATIN SMALL LETTER
0x0146: 'n', // WITH CEDILLA, LATIN SMALL LETTER
0x1E4B: 'n', // WITH CIRCUMFLEX BELOW, LATIN SMALL LETTER
0x0235: 'n', // WITH CURL, LATIN SMALL LETTER
0x1E45: 'n', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E47: 'n', // WITH DOT BELOW, LATIN SMALL LETTER
0x01F9: 'n', // WITH GRAVE, LATIN SMALL LETTER
0x0272: 'n', // WITH LEFT HOOK, LATIN SMALL LETTER
0x1E49: 'n', // WITH LINE BELOW, LATIN SMALL LETTER
0x019E: 'n', // WITH LONG RIGHT LEG, LATIN SMALL LETTER
0x0273: 'n', // WITH RETROFLEX HOOK, LATIN SMALL LETTER
0x00F1: 'n', // WITH TILDE, LATIN SMALL LETTER
0x2099: 'n', // , LATIN SUBSCRIPT SMALL LETTER
0x00F3: 'o', // WITH ACUTE, LATIN SMALL LETTER
0x014F: 'o', // WITH BREVE, LATIN SMALL LETTER
0x01D2: 'o', // WITH CARON, LATIN SMALL LETTER
0x00F4: 'o', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x00F6: 'o', // WITH DIAERESIS, LATIN SMALL LETTER
0x022F: 'o', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1ECD: 'o', // WITH DOT BELOW, LATIN SMALL LETTER
0x0151: 'o', // WITH DOUBLE ACUTE, LATIN SMALL LETTER
0x020D: 'o', // WITH DOUBLE GRAVE, LATIN SMALL LETTER
0x00F2: 'o', // WITH GRAVE, LATIN SMALL LETTER
0x1ECF: 'o', // WITH HOOK ABOVE, LATIN SMALL LETTER
0x01A1: 'o', // WITH HORN, LATIN SMALL LETTER
0x020F: 'o', // WITH INVERTED BREVE, LATIN SMALL LETTER
0x014D: 'o', // WITH MACRON, LATIN SMALL LETTER
0x01EB: 'o', // WITH OGONEK, LATIN SMALL LETTER
0x00F8: 'o', // WITH STROKE, LATIN SMALL LETTER
0x1D13: 'o', // WITH STROKE, LATIN SMALL LETTER SIDEWAYS
0x00F5: 'o', // WITH TILDE, LATIN SMALL LETTER
0x0366: 'o', // , COMBINING LATIN SMALL LETTER
0x0275: 'o', // , LATIN SMALL LETTER BARRED
0x1D17: 'o', // , LATIN SMALL LETTER BOTTOM HALF
0x0254: 'o', // , LATIN SMALL LETTER OPEN
0x1D11: 'o', // , LATIN SMALL LETTER SIDEWAYS
0x1D12: 'o', // , LATIN SMALL LETTER SIDEWAYS OPEN
0x1D16: 'o', // , LATIN SMALL LETTER TOP HALF
0x1E55: 'p', // WITH ACUTE, LATIN SMALL LETTER
0x1E57: 'p', // WITH DOT ABOVE, LATIN SMALL LETTER
0x01A5: 'p', // WITH HOOK, LATIN SMALL LETTER
0x209A: 'p', // , LATIN SUBSCRIPT SMALL LETTER
0x024B: 'q', // WITH HOOK TAIL, LATIN SMALL LETTER
0x02A0: 'q', // WITH HOOK, LATIN SMALL LETTER
0x0155: 'r', // WITH ACUTE, LATIN SMALL LETTER
0x0159: 'r', // WITH CARON, LATIN SMALL LETTER
0x0157: 'r', // WITH CEDILLA, LATIN SMALL LETTER
0x1E59: 'r', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E5B: 'r', // WITH DOT BELOW, LATIN SMALL LETTER
0x0211: 'r', // WITH DOUBLE GRAVE, LATIN SMALL LETTER
0x027E: 'r', // WITH FISHHOOK, LATIN SMALL LETTER
0x027F: 'r', // WITH FISHHOOK, LATIN SMALL LETTER REVERSED
0x027B: 'r', // WITH HOOK, LATIN SMALL LETTER TURNED
0x0213: 'r', // WITH INVERTED BREVE, LATIN SMALL LETTER
0x1E5F: 'r', // WITH LINE BELOW, LATIN SMALL LETTER
0x027C: 'r', // WITH LONG LEG, LATIN SMALL LETTER
0x027A: 'r', // WITH LONG LEG, LATIN SMALL LETTER TURNED
0x024D: 'r', // WITH STROKE, LATIN SMALL LETTER
0x027D: 'r', // WITH TAIL, LATIN SMALL LETTER
0x036C: 'r', // , COMBINING LATIN SMALL LETTER
0x0279: 'r', // , LATIN SMALL LETTER TURNED
0x1D63: 'r', // , LATIN SUBSCRIPT SMALL LETTER
0x015B: 's', // WITH ACUTE, LATIN SMALL LETTER
0x0161: 's', // WITH CARON, LATIN SMALL LETTER
0x015F: 's', // WITH CEDILLA, LATIN SMALL LETTER
0x015D: 's', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x0219: 's', // WITH COMMA BELOW, LATIN SMALL LETTER
0x1E61: 's', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E9B: 's', // WITH DOT ABOVE, LATIN SMALL LETTER LONG
0x1E63: 's', // WITH DOT BELOW, LATIN SMALL LETTER
0x0282: 's', // WITH HOOK, LATIN SMALL LETTER
0x023F: 's', // WITH SWASH TAIL, LATIN SMALL LETTER
0x017F: 's', // , LATIN SMALL LETTER LONG
0x00DF: 's', // , LATIN SMALL LETTER SHARP
0x209B: 's', // , LATIN SUBSCRIPT SMALL LETTER
0x0165: 't', // WITH CARON, LATIN SMALL LETTER
0x0163: 't', // WITH CEDILLA, LATIN SMALL LETTER
0x1E71: 't', // WITH CIRCUMFLEX BELOW, LATIN SMALL LETTER
0x021B: 't', // WITH COMMA BELOW, LATIN SMALL LETTER
0x0236: 't', // WITH CURL, LATIN SMALL LETTER
0x1E97: 't', // WITH DIAERESIS, LATIN SMALL LETTER
0x1E6B: 't', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E6D: 't', // WITH DOT BELOW, LATIN SMALL LETTER
0x01AD: 't', // WITH HOOK, LATIN SMALL LETTER
0x1E6F: 't', // WITH LINE BELOW, LATIN SMALL LETTER
0x01AB: 't', // WITH PALATAL HOOK, LATIN SMALL LETTER
0x0288: 't', // WITH RETROFLEX HOOK, LATIN SMALL LETTER
0x0167: 't', // WITH STROKE, LATIN SMALL LETTER
0x036D: 't', // , COMBINING LATIN SMALL LETTER
0x0287: 't', // , LATIN SMALL LETTER TURNED
0x209C: 't', // , LATIN SUBSCRIPT SMALL LETTER
0x0289: 'u', // BAR, LATIN SMALL LETTER
0x00FA: 'u', // WITH ACUTE, LATIN SMALL LETTER
0x016D: 'u', // WITH BREVE, LATIN SMALL LETTER
0x01D4: 'u', // WITH CARON, LATIN SMALL LETTER
0x1E77: 'u', // WITH CIRCUMFLEX BELOW, LATIN SMALL LETTER
0x00FB: 'u', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x1E73: 'u', // WITH DIAERESIS BELOW, LATIN SMALL LETTER
0x00FC: 'u', // WITH DIAERESIS, LATIN SMALL LETTER
0x1EE5: 'u', // WITH DOT BELOW, LATIN SMALL LETTER
0x0171: 'u', // WITH DOUBLE ACUTE, LATIN SMALL LETTER
0x0215: 'u', // WITH DOUBLE GRAVE, LATIN SMALL LETTER
0x00F9: 'u', // WITH GRAVE, LATIN SMALL LETTER
0x1EE7: 'u', // WITH HOOK ABOVE, LATIN SMALL LETTER
0x01B0: 'u', // WITH HORN, LATIN SMALL LETTER
0x0217: 'u', // WITH INVERTED BREVE, LATIN SMALL LETTER
0x016B: 'u', // WITH MACRON, LATIN SMALL LETTER
0x0173: 'u', // WITH OGONEK, LATIN SMALL LETTER
0x016F: 'u', // WITH RING ABOVE, LATIN SMALL LETTER
0x1E75: 'u', // WITH TILDE BELOW, LATIN SMALL LETTER
0x0169: 'u', // WITH TILDE, LATIN SMALL LETTER
0x0367: 'u', // , COMBINING LATIN SMALL LETTER
0x1D1D: 'u', // , LATIN SMALL LETTER SIDEWAYS
0x1D1E: 'u', // , LATIN SMALL LETTER SIDEWAYS DIAERESIZED
0x1D64: 'u', // , LATIN SUBSCRIPT SMALL LETTER
0x1E7F: 'v', // WITH DOT BELOW, LATIN SMALL LETTER
0x028B: 'v', // WITH HOOK, LATIN SMALL LETTER
0x1E7D: 'v', // WITH TILDE, LATIN SMALL LETTER
0x036E: 'v', // , COMBINING LATIN SMALL LETTER
0x028C: 'v', // , LATIN SMALL LETTER TURNED
0x1D65: 'v', // , LATIN SUBSCRIPT SMALL LETTER
0x1E83: 'w', // WITH ACUTE, LATIN SMALL LETTER
0x0175: 'w', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x1E85: 'w', // WITH DIAERESIS, LATIN SMALL LETTER
0x1E87: 'w', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E89: 'w', // WITH DOT BELOW, LATIN SMALL LETTER
0x1E81: 'w', // WITH GRAVE, LATIN SMALL LETTER
0x1E98: 'w', // WITH RING ABOVE, LATIN SMALL LETTER
0x028D: 'w', // , LATIN SMALL LETTER TURNED
0x1E8D: 'x', // WITH DIAERESIS, LATIN SMALL LETTER
0x1E8B: 'x', // WITH DOT ABOVE, LATIN SMALL LETTER
0x036F: 'x', // , COMBINING LATIN SMALL LETTER
0x00FD: 'y', // WITH ACUTE, LATIN SMALL LETTER
0x0177: 'y', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x00FF: 'y', // WITH DIAERESIS, LATIN SMALL LETTER
0x1E8F: 'y', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1EF5: 'y', // WITH DOT BELOW, LATIN SMALL LETTER
0x1EF3: 'y', // WITH GRAVE, LATIN SMALL LETTER
0x1EF7: 'y', // WITH HOOK ABOVE, LATIN SMALL LETTER
0x01B4: 'y', // WITH HOOK, LATIN SMALL LETTER
0x0233: 'y', // WITH MACRON, LATIN SMALL LETTER
0x1E99: 'y', // WITH RING ABOVE, LATIN SMALL LETTER
0x024F: 'y', // WITH STROKE, LATIN SMALL LETTER
0x1EF9: 'y', // WITH TILDE, LATIN SMALL LETTER
0x028E: 'y', // , LATIN SMALL LETTER TURNED
0x017A: 'z', // WITH ACUTE, LATIN SMALL LETTER
0x017E: 'z', // WITH CARON, LATIN SMALL LETTER
0x1E91: 'z', // WITH CIRCUMFLEX, LATIN SMALL LETTER
0x0291: 'z', // WITH CURL, LATIN SMALL LETTER
0x017C: 'z', // WITH DOT ABOVE, LATIN SMALL LETTER
0x1E93: 'z', // WITH DOT BELOW, LATIN SMALL LETTER
0x0225: 'z', // WITH HOOK, LATIN SMALL LETTER
0x1E95: 'z', // WITH LINE BELOW, LATIN SMALL LETTER
0x0290: 'z', // WITH RETROFLEX HOOK, LATIN SMALL LETTER
0x01B6: 'z', // WITH STROKE, LATIN SMALL LETTER
0x0240: 'z', // WITH SWASH TAIL, LATIN SMALL LETTER
0x0251: 'a', // , latin small letter script
0x00C1: 'A', // WITH ACUTE, LATIN CAPITAL LETTER
0x00C2: 'A', // WITH CIRCUMFLEX, LATIN CAPITAL LETTER
0x00C4: 'A', // WITH DIAERESIS, LATIN CAPITAL LETTER
0x00C0: 'A', // WITH GRAVE, LATIN CAPITAL LETTER
0x00C5: 'A', // WITH RING ABOVE, LATIN CAPITAL LETTER
0x023A: 'A', // WITH STROKE, LATIN CAPITAL LETTER
0x00C3: 'A', // WITH TILDE, LATIN CAPITAL LETTER
0x1D00: 'A', // , LATIN LETTER SMALL CAPITAL
0x0181: 'B', // WITH HOOK, LATIN CAPITAL LETTER
0x0243: 'B', // WITH STROKE, LATIN CAPITAL LETTER
0x0299: 'B', // , LATIN LETTER SMALL CAPITAL
0x1D03: 'B', // , LATIN LETTER SMALL CAPITAL BARRED
0x00C7: 'C', // WITH CEDILLA, LATIN CAPITAL LETTER
0x023B: 'C', // WITH STROKE, LATIN CAPITAL LETTER
0x1D04: 'C', // , LATIN LETTER SMALL CAPITAL
0x018A: 'D', // WITH HOOK, LATIN CAPITAL LETTER
0x0189: 'D', // , LATIN CAPITAL LETTER AFRICAN
0x1D05: 'D', // , LATIN LETTER SMALL CAPITAL
0x00C9: 'E', // WITH ACUTE, LATIN CAPITAL LETTER
0x00CA: 'E', // WITH CIRCUMFLEX, LATIN CAPITAL LETTER
0x00CB: 'E', // WITH DIAERESIS, LATIN CAPITAL LETTER
0x00C8: 'E', // WITH GRAVE, LATIN CAPITAL LETTER
0x0246: 'E', // WITH STROKE, LATIN CAPITAL LETTER
0x0190: 'E', // , LATIN CAPITAL LETTER OPEN
0x018E: 'E', // , LATIN CAPITAL LETTER REVERSED
0x1D07: 'E', // , LATIN LETTER SMALL CAPITAL
0x0193: 'G', // WITH HOOK, LATIN CAPITAL LETTER
0x029B: 'G', // WITH HOOK, LATIN LETTER SMALL CAPITAL
0x0262: 'G', // , LATIN LETTER SMALL CAPITAL
0x029C: 'H', // , LATIN LETTER SMALL CAPITAL
0x00CD: 'I', // WITH ACUTE, LATIN CAPITAL LETTER
0x00CE: 'I', // WITH CIRCUMFLEX, LATIN CAPITAL LETTER
0x00CF: 'I', // WITH DIAERESIS, LATIN CAPITAL LETTER
0x0130: 'I', // WITH DOT ABOVE, LATIN CAPITAL LETTER
0x00CC: 'I', // WITH GRAVE, LATIN CAPITAL LETTER
0x0197: 'I', // WITH STROKE, LATIN CAPITAL LETTER
0x026A: 'I', // , LATIN LETTER SMALL CAPITAL
0x0248: 'J', // WITH STROKE, LATIN CAPITAL LETTER
0x1D0A: 'J', // , LATIN LETTER SMALL CAPITAL
0x1D0B: 'K', // , LATIN LETTER SMALL CAPITAL
0x023D: 'L', // WITH BAR, LATIN CAPITAL LETTER
0x1D0C: 'L', // WITH STROKE, LATIN LETTER SMALL CAPITAL
0x029F: 'L', // , LATIN LETTER SMALL CAPITAL
0x019C: 'M', // , LATIN CAPITAL LETTER TURNED
0x1D0D: 'M', // , LATIN LETTER SMALL CAPITAL
0x019D: 'N', // WITH LEFT HOOK, LATIN CAPITAL LETTER
0x0220: 'N', // WITH LONG RIGHT LEG, LATIN CAPITAL LETTER
0x00D1: 'N', // WITH TILDE, LATIN CAPITAL LETTER
0x0274: 'N', // , LATIN LETTER SMALL CAPITAL
0x1D0E: 'N', // , LATIN LETTER SMALL CAPITAL REVERSED
0x00D3: 'O', // WITH ACUTE, LATIN CAPITAL LETTER
0x00D4: 'O', // WITH CIRCUMFLEX, LATIN CAPITAL LETTER
0x00D6: 'O', // WITH DIAERESIS, LATIN CAPITAL LETTER
0x00D2: 'O', // WITH GRAVE, LATIN CAPITAL LETTER
0x019F: 'O', // WITH MIDDLE TILDE, LATIN CAPITAL LETTER
0x00D8: 'O', // WITH STROKE, LATIN CAPITAL LETTER
0x00D5: 'O', // WITH TILDE, LATIN CAPITAL LETTER
0x0186: 'O', // , LATIN CAPITAL LETTER OPEN
0x1D0F: 'O', // , LATIN LETTER SMALL CAPITAL
0x1D10: 'O', // , LATIN LETTER SMALL CAPITAL OPEN
0x1D18: 'P', // , LATIN LETTER SMALL CAPITAL
0x024A: 'Q', // WITH HOOK TAIL, LATIN CAPITAL LETTER SMALL
0x024C: 'R', // WITH STROKE, LATIN CAPITAL LETTER
0x0280: 'R', // , LATIN LETTER SMALL CAPITAL
0x0281: 'R', // , LATIN LETTER SMALL CAPITAL INVERTED
0x1D19: 'R', // , LATIN LETTER SMALL CAPITAL REVERSED
0x1D1A: 'R', // , LATIN LETTER SMALL CAPITAL TURNED
0x023E: 'T', // WITH DIAGONAL STROKE, LATIN CAPITAL LETTER
0x01AE: 'T', // WITH RETROFLEX HOOK, LATIN CAPITAL LETTER
0x1D1B: 'T', // , LATIN LETTER SMALL CAPITAL
0x0244: 'U', // BAR, LATIN CAPITAL LETTER
0x00DA: 'U', // WITH ACUTE, LATIN CAPITAL LETTER
0x00DB: 'U', // WITH CIRCUMFLEX, LATIN CAPITAL LETTER
0x00DC: 'U', // WITH DIAERESIS, LATIN CAPITAL LETTER
0x00D9: 'U', // WITH GRAVE, LATIN CAPITAL LETTER
0x1D1C: 'U', // , LATIN LETTER SMALL CAPITAL
0x01B2: 'V', // WITH HOOK, LATIN CAPITAL LETTER
0x0245: 'V', // , LATIN CAPITAL LETTER TURNED
0x1D20: 'V', // , LATIN LETTER SMALL CAPITAL
0x1D21: 'W', // , LATIN LETTER SMALL CAPITAL
0x00DD: 'Y', // WITH ACUTE, LATIN CAPITAL LETTER
0x0178: 'Y', // WITH DIAERESIS, LATIN CAPITAL LETTER
0x024E: 'Y', // WITH STROKE, LATIN CAPITAL LETTER
0x028F: 'Y', // , LATIN LETTER SMALL CAPITAL
0x1D22: 'Z', // , LATIN LETTER SMALL CAPITAL
'Ắ': 'A',
'Ấ': 'A',
'Ằ': 'A',
'Ầ': 'A',
'Ẳ': 'A',
'Ẩ': 'A',
'Ẵ': 'A',
'Ẫ': 'A',
'Ặ': 'A',
'Ậ': 'A',
'ắ': 'a',
'ấ': 'a',
'ằ': 'a',
'ầ': 'a',
'ẳ': 'a',
'ẩ': 'a',
'ẵ': 'a',
'ẫ': 'a',
'ặ': 'a',
'ậ': 'a',
'Ế': 'E',
'Ề': 'E',
'Ể': 'E',
'Ễ': 'E',
'Ệ': 'E',
'ế': 'e',
'ề': 'e',
'ể': 'e',
'ễ': 'e',
'ệ': 'e',
'Ố': 'O',
'Ớ': 'O',
'Ồ': 'O',
'Ờ': 'O',
'Ổ': 'O',
'Ở': 'O',
'Ỗ': 'O',
'Ỡ': 'O',
'Ộ': 'O',
'Ợ': 'O',
'ố': 'o',
'ớ': 'o',
'ồ': 'o',
'ờ': 'o',
'ổ': 'o',
'ở': 'o',
'ỗ': 'o',
'ỡ': 'o',
'ộ': 'o',
'ợ': 'o',
'Ứ': 'U',
'Ừ': 'U',
'Ử': 'U',
'Ữ': 'U',
'Ự': 'U',
'ứ': 'u',
'ừ': 'u',
'ử': 'u',
'ữ': 'u',
'ự': 'u',
}
// NormalizeRunes normalizes latin script letters
func NormalizeRunes(runes []rune) []rune {
ret := make([]rune, len(runes))
copy(ret, runes)
for idx, r := range runes {
if r < 0x00C0 || r > 0x2184 {
continue
}
n := normalized[r]
if n > 0 {
ret[idx] = normalized[r]
}
}
return ret
}

409
fzf/fzf/src/ansi.go Normal file
View File

@ -0,0 +1,409 @@
package fzf
import (
"strconv"
"strings"
"unicode/utf8"
"github.com/junegunn/fzf/src/tui"
)
type ansiOffset struct {
offset [2]int32
color ansiState
}
type ansiState struct {
fg tui.Color
bg tui.Color
attr tui.Attr
lbg tui.Color
}
func (s *ansiState) colored() bool {
return s.fg != -1 || s.bg != -1 || s.attr > 0 || s.lbg >= 0
}
func (s *ansiState) equals(t *ansiState) bool {
if t == nil {
return !s.colored()
}
return s.fg == t.fg && s.bg == t.bg && s.attr == t.attr && s.lbg == t.lbg
}
func (s *ansiState) ToString() string {
if !s.colored() {
return ""
}
ret := ""
if s.attr&tui.Bold > 0 {
ret += "1;"
}
if s.attr&tui.Dim > 0 {
ret += "2;"
}
if s.attr&tui.Italic > 0 {
ret += "3;"
}
if s.attr&tui.Underline > 0 {
ret += "4;"
}
if s.attr&tui.Blink > 0 {
ret += "5;"
}
if s.attr&tui.Reverse > 0 {
ret += "7;"
}
ret += toAnsiString(s.fg, 30) + toAnsiString(s.bg, 40)
return "\x1b[" + strings.TrimSuffix(ret, ";") + "m"
}
func toAnsiString(color tui.Color, offset int) string {
col := int(color)
ret := ""
if col == -1 {
ret += strconv.Itoa(offset + 9)
} else if col < 8 {
ret += strconv.Itoa(offset + col)
} else if col < 16 {
ret += strconv.Itoa(offset - 30 + 90 + col - 8)
} else if col < 256 {
ret += strconv.Itoa(offset+8) + ";5;" + strconv.Itoa(col)
} else if col >= (1 << 24) {
r := strconv.Itoa((col >> 16) & 0xff)
g := strconv.Itoa((col >> 8) & 0xff)
b := strconv.Itoa(col & 0xff)
ret += strconv.Itoa(offset+8) + ";2;" + r + ";" + g + ";" + b
}
return ret + ";"
}
func isPrint(c uint8) bool {
return '\x20' <= c && c <= '\x7e'
}
func matchOperatingSystemCommand(s string) int {
// `\x1b][0-9];[[:print:]]+(?:\x1b\\\\|\x07)`
// ^ match starting here
//
i := 5 // prefix matched in nextAnsiEscapeSequence()
for ; i < len(s) && isPrint(s[i]); i++ {
}
if i < len(s) {
if s[i] == '\x07' {
return i + 1
}
if s[i] == '\x1b' && i < len(s)-1 && s[i+1] == '\\' {
return i + 2
}
}
return -1
}
func matchControlSequence(s string) int {
// `\x1b[\\[()][0-9;?]*[a-zA-Z@]`
// ^ match starting here
//
i := 2 // prefix matched in nextAnsiEscapeSequence()
for ; i < len(s) && (isNumeric(s[i]) || s[i] == ';' || s[i] == '?'); i++ {
}
if i < len(s) {
c := s[i]
if 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || c == '@' {
return i + 1
}
}
return -1
}
func isCtrlSeqStart(c uint8) bool {
return c == '\\' || c == '[' || c == '(' || c == ')'
}
// nextAnsiEscapeSequence returns the ANSI escape sequence and is equivalent to
// calling FindStringIndex() on the below regex (which was originally used):
//
// "(?:\x1b[\\[()][0-9;?]*[a-zA-Z@]|\x1b][0-9];[[:print:]]+(?:\x1b\\\\|\x07)|\x1b.|[\x0e\x0f]|.\x08)"
//
func nextAnsiEscapeSequence(s string) (int, int) {
// fast check for ANSI escape sequences
i := 0
for ; i < len(s); i++ {
switch s[i] {
case '\x0e', '\x0f', '\x1b', '\x08':
// We ignore the fact that '\x08' cannot be the first char
// in the string and be an escape sequence for the sake of
// speed and simplicity.
goto Loop
}
}
return -1, -1
Loop:
for ; i < len(s); i++ {
switch s[i] {
case '\x08':
// backtrack to match: `.\x08`
if i > 0 && s[i-1] != '\n' {
if s[i-1] < utf8.RuneSelf {
return i - 1, i + 1
}
_, n := utf8.DecodeLastRuneInString(s[:i])
return i - n, i + 1
}
case '\x1b':
// match: `\x1b[\\[()][0-9;?]*[a-zA-Z@]`
if i+2 < len(s) && isCtrlSeqStart(s[i+1]) {
if j := matchControlSequence(s[i:]); j != -1 {
return i, i + j
}
}
// match: `\x1b][0-9];[[:print:]]+(?:\x1b\\\\|\x07)`
if i+5 < len(s) && s[i+1] == ']' && isNumeric(s[i+2]) &&
s[i+3] == ';' && isPrint(s[i+4]) {
if j := matchOperatingSystemCommand(s[i:]); j != -1 {
return i, i + j
}
}
// match: `\x1b.`
if i+1 < len(s) && s[i+1] != '\n' {
if s[i+1] < utf8.RuneSelf {
return i, i + 2
}
_, n := utf8.DecodeRuneInString(s[i+1:])
return i, i + n + 1
}
case '\x0e', '\x0f':
// match: `[\x0e\x0f]`
return i, i + 1
}
}
return -1, -1
}
func extractColor(str string, state *ansiState, proc func(string, *ansiState) bool) (string, *[]ansiOffset, *ansiState) {
// We append to a stack allocated variable that we'll
// later copy and return, to save on allocations.
offsets := make([]ansiOffset, 0, 32)
if state != nil {
offsets = append(offsets, ansiOffset{[2]int32{0, 0}, *state})
}
var (
pstate *ansiState // lazily allocated
output strings.Builder
prevIdx int
runeCount int
)
for idx := 0; idx < len(str); {
// Make sure that we found an ANSI code
start, end := nextAnsiEscapeSequence(str[idx:])
if start == -1 {
break
}
start += idx
idx += end
// Check if we should continue
prev := str[prevIdx:start]
if proc != nil && !proc(prev, state) {
return "", nil, nil
}
prevIdx = idx
if len(prev) != 0 {
runeCount += utf8.RuneCountInString(prev)
// Grow the buffer size to the maximum possible length (string length
// containing ansi codes) to avoid repetitive allocation
if output.Cap() == 0 {
output.Grow(len(str))
}
output.WriteString(prev)
}
newState := interpretCode(str[start:idx], state)
if !newState.equals(state) {
if state != nil {
// Update last offset
(&offsets[len(offsets)-1]).offset[1] = int32(runeCount)
}
if newState.colored() {
// Append new offset
if pstate == nil {
pstate = &ansiState{}
}
*pstate = newState
state = pstate
offsets = append(offsets, ansiOffset{
[2]int32{int32(runeCount), int32(runeCount)},
newState,
})
} else {
// Discard state
state = nil
}
}
}
var rest string
var trimmed string
if prevIdx == 0 {
// No ANSI code found
rest = str
trimmed = str
} else {
rest = str[prevIdx:]
output.WriteString(rest)
trimmed = output.String()
}
if proc != nil {
proc(rest, state)
}
if len(offsets) > 0 {
if len(rest) > 0 && state != nil {
// Update last offset
runeCount += utf8.RuneCountInString(rest)
(&offsets[len(offsets)-1]).offset[1] = int32(runeCount)
}
// Return a copy of the offsets slice
a := make([]ansiOffset, len(offsets))
copy(a, offsets)
return trimmed, &a, state
}
return trimmed, nil, state
}
func parseAnsiCode(s string) (int, string) {
var remaining string
if i := strings.IndexByte(s, ';'); i >= 0 {
remaining = s[i+1:]
s = s[:i]
}
if len(s) > 0 {
// Inlined version of strconv.Atoi() that only handles positive
// integers and does not allocate on error.
code := 0
for _, ch := range []byte(s) {
ch -= '0'
if ch > 9 {
return -1, remaining
}
code = code*10 + int(ch)
}
return code, remaining
}
return -1, remaining
}
func interpretCode(ansiCode string, prevState *ansiState) ansiState {
var state ansiState
if prevState == nil {
state = ansiState{-1, -1, 0, -1}
} else {
state = ansiState{prevState.fg, prevState.bg, prevState.attr, prevState.lbg}
}
if ansiCode[0] != '\x1b' || ansiCode[1] != '[' || ansiCode[len(ansiCode)-1] != 'm' {
if prevState != nil && strings.HasSuffix(ansiCode, "0K") {
state.lbg = prevState.bg
}
return state
}
if len(ansiCode) <= 3 {
state.fg = -1
state.bg = -1
state.attr = 0
return state
}
ansiCode = ansiCode[2 : len(ansiCode)-1]
state256 := 0
ptr := &state.fg
for len(ansiCode) != 0 {
var num int
if num, ansiCode = parseAnsiCode(ansiCode); num != -1 {
switch state256 {
case 0:
switch num {
case 38:
ptr = &state.fg
state256++
case 48:
ptr = &state.bg
state256++
case 39:
state.fg = -1
case 49:
state.bg = -1
case 1:
state.attr = state.attr | tui.Bold
case 2:
state.attr = state.attr | tui.Dim
case 3:
state.attr = state.attr | tui.Italic
case 4:
state.attr = state.attr | tui.Underline
case 5:
state.attr = state.attr | tui.Blink
case 7:
state.attr = state.attr | tui.Reverse
case 23: // tput rmso
state.attr = state.attr &^ tui.Italic
case 24: // tput rmul
state.attr = state.attr &^ tui.Underline
case 0:
state.fg = -1
state.bg = -1
state.attr = 0
state256 = 0
default:
if num >= 30 && num <= 37 {
state.fg = tui.Color(num - 30)
} else if num >= 40 && num <= 47 {
state.bg = tui.Color(num - 40)
} else if num >= 90 && num <= 97 {
state.fg = tui.Color(num - 90 + 8)
} else if num >= 100 && num <= 107 {
state.bg = tui.Color(num - 100 + 8)
}
}
case 1:
switch num {
case 2:
state256 = 10 // MAGIC
case 5:
state256++
default:
state256 = 0
}
case 2:
*ptr = tui.Color(num)
state256 = 0
case 10:
*ptr = tui.Color(1<<24) | tui.Color(num<<16)
state256++
case 11:
*ptr = *ptr | tui.Color(num<<8)
state256++
case 12:
*ptr = *ptr | tui.Color(num)
state256 = 0
}
}
}
if state256 > 0 {
*ptr = -1
}
return state
}

427
fzf/fzf/src/ansi_test.go Normal file
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@ -0,0 +1,427 @@
package fzf
import (
"math/rand"
"regexp"
"strings"
"testing"
"unicode/utf8"
"github.com/junegunn/fzf/src/tui"
)
// The following regular expression will include not all but most of the
// frequently used ANSI sequences. This regex is used as a reference for
// testing nextAnsiEscapeSequence().
//
// References:
// - https://github.com/gnachman/iTerm2
// - https://web.archive.org/web/20090204053813/http://ascii-table.com/ansi-escape-sequences.php
// (archived from http://ascii-table.com/ansi-escape-sequences.php)
// - https://web.archive.org/web/20090227051140/http://ascii-table.com/ansi-escape-sequences-vt-100.php
// (archived from http://ascii-table.com/ansi-escape-sequences-vt-100.php)
// - http://tldp.org/HOWTO/Bash-Prompt-HOWTO/x405.html
// - https://invisible-island.net/xterm/ctlseqs/ctlseqs.html
var ansiRegexReference = regexp.MustCompile("(?:\x1b[\\[()][0-9;]*[a-zA-Z@]|\x1b][0-9];[[:print:]]+(?:\x1b\\\\|\x07)|\x1b.|[\x0e\x0f]|.\x08)")
func testParserReference(t testing.TB, str string) {
t.Helper()
toSlice := func(start, end int) []int {
if start == -1 {
return nil
}
return []int{start, end}
}
s := str
for i := 0; ; i++ {
got := toSlice(nextAnsiEscapeSequence(s))
exp := ansiRegexReference.FindStringIndex(s)
equal := len(got) == len(exp)
if equal {
for i := 0; i < len(got); i++ {
if got[i] != exp[i] {
equal = false
break
}
}
}
if !equal {
var exps, gots []rune
if len(got) == 2 {
gots = []rune(s[got[0]:got[1]])
}
if len(exp) == 2 {
exps = []rune(s[exp[0]:exp[1]])
}
t.Errorf("%d: %q: got: %v (%q) want: %v (%q)", i, s, got, gots, exp, exps)
return
}
if len(exp) == 0 {
return
}
s = s[exp[1]:]
}
}
func TestNextAnsiEscapeSequence(t *testing.T) {
testStrs := []string{
"\x1b[0mhello world",
"\x1b[1mhello world",
"椙\x1b[1m椙",
"椙\x1b[1椙m椙",
"\x1b[1mhello \x1b[mw\x1b7o\x1b8r\x1b(Bl\x1b[2@d",
"\x1b[1mhello \x1b[Kworld",
"hello \x1b[34;45;1mworld",
"hello \x1b[34;45;1mwor\x1b[34;45;1mld",
"hello \x1b[34;45;1mwor\x1b[0mld",
"hello \x1b[34;48;5;233;1mwo\x1b[38;5;161mr\x1b[0ml\x1b[38;5;161md",
"hello \x1b[38;5;38;48;5;48;1mwor\x1b[38;5;48;48;5;38ml\x1b[0md",
"hello \x1b[32;1mworld",
"hello world",
"hello \x1b[0;38;5;200;48;5;100mworld",
"\x1b椙",
"椙\x08",
"\n\x08",
"X\x08",
"",
"\x1b]4;3;rgb:aa/bb/cc\x07 ",
"\x1b]4;3;rgb:aa/bb/cc\x1b\\ ",
ansiBenchmarkString,
}
for _, s := range testStrs {
testParserReference(t, s)
}
}
func TestNextAnsiEscapeSequence_Fuzz_Modified(t *testing.T) {
t.Parallel()
if testing.Short() {
t.Skip("short test")
}
testStrs := []string{
"\x1b[0mhello world",
"\x1b[1mhello world",
"椙\x1b[1m椙",
"椙\x1b[1椙m椙",
"\x1b[1mhello \x1b[mw\x1b7o\x1b8r\x1b(Bl\x1b[2@d",
"\x1b[1mhello \x1b[Kworld",
"hello \x1b[34;45;1mworld",
"hello \x1b[34;45;1mwor\x1b[34;45;1mld",
"hello \x1b[34;45;1mwor\x1b[0mld",
"hello \x1b[34;48;5;233;1mwo\x1b[38;5;161mr\x1b[0ml\x1b[38;5;161md",
"hello \x1b[38;5;38;48;5;48;1mwor\x1b[38;5;48;48;5;38ml\x1b[0md",
"hello \x1b[32;1mworld",
"hello world",
"hello \x1b[0;38;5;200;48;5;100mworld",
ansiBenchmarkString,
}
replacementBytes := [...]rune{'\x0e', '\x0f', '\x1b', '\x08'}
modifyString := func(s string, rr *rand.Rand) string {
n := rr.Intn(len(s))
b := []rune(s)
for ; n >= 0 && len(b) != 0; n-- {
i := rr.Intn(len(b))
switch x := rr.Intn(4); x {
case 0:
b = append(b[:i], b[i+1:]...)
case 1:
j := rr.Intn(len(replacementBytes) - 1)
b[i] = replacementBytes[j]
case 2:
x := rune(rr.Intn(utf8.MaxRune))
for !utf8.ValidRune(x) {
x = rune(rr.Intn(utf8.MaxRune))
}
b[i] = x
case 3:
b[i] = rune(rr.Intn(utf8.MaxRune)) // potentially invalid
default:
t.Fatalf("unsupported value: %d", x)
}
}
return string(b)
}
rr := rand.New(rand.NewSource(1))
for _, s := range testStrs {
for i := 1_000; i >= 0; i-- {
testParserReference(t, modifyString(s, rr))
}
}
}
func TestNextAnsiEscapeSequence_Fuzz_Random(t *testing.T) {
t.Parallel()
if testing.Short() {
t.Skip("short test")
}
randomString := func(rr *rand.Rand) string {
numChars := rand.Intn(50)
codePoints := make([]rune, numChars)
for i := 0; i < len(codePoints); i++ {
var r rune
for n := 0; n < 1000; n++ {
r = rune(rr.Intn(utf8.MaxRune))
// Allow 10% of runes to be invalid
if utf8.ValidRune(r) || rr.Float64() < 0.10 {
break
}
}
codePoints[i] = r
}
return string(codePoints)
}
rr := rand.New(rand.NewSource(1))
for i := 0; i < 100_000; i++ {
testParserReference(t, randomString(rr))
}
}
func TestExtractColor(t *testing.T) {
assert := func(offset ansiOffset, b int32, e int32, fg tui.Color, bg tui.Color, bold bool) {
var attr tui.Attr
if bold {
attr = tui.Bold
}
if offset.offset[0] != b || offset.offset[1] != e ||
offset.color.fg != fg || offset.color.bg != bg || offset.color.attr != attr {
t.Error(offset, b, e, fg, bg, attr)
}
}
src := "hello world"
var state *ansiState
clean := "\x1b[0m"
check := func(assertion func(ansiOffsets *[]ansiOffset, state *ansiState)) {
output, ansiOffsets, newState := extractColor(src, state, nil)
state = newState
if output != "hello world" {
t.Errorf("Invalid output: %s %v", output, []rune(output))
}
t.Log(src, ansiOffsets, clean)
assertion(ansiOffsets, state)
}
check(func(offsets *[]ansiOffset, state *ansiState) {
if offsets != nil {
t.Fail()
}
})
state = nil
src = "\x1b[0mhello world"
check(func(offsets *[]ansiOffset, state *ansiState) {
if offsets != nil {
t.Fail()
}
})
state = nil
src = "\x1b[1mhello world"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 1 {
t.Fail()
}
assert((*offsets)[0], 0, 11, -1, -1, true)
})
state = nil
src = "\x1b[1mhello \x1b[mw\x1b7o\x1b8r\x1b(Bl\x1b[2@d"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 1 {
t.Fail()
}
assert((*offsets)[0], 0, 6, -1, -1, true)
})
state = nil
src = "\x1b[1mhello \x1b[Kworld"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 1 {
t.Fail()
}
assert((*offsets)[0], 0, 11, -1, -1, true)
})
state = nil
src = "hello \x1b[34;45;1mworld"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 1 {
t.Fail()
}
assert((*offsets)[0], 6, 11, 4, 5, true)
})
state = nil
src = "hello \x1b[34;45;1mwor\x1b[34;45;1mld"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 1 {
t.Fail()
}
assert((*offsets)[0], 6, 11, 4, 5, true)
})
state = nil
src = "hello \x1b[34;45;1mwor\x1b[0mld"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 1 {
t.Fail()
}
assert((*offsets)[0], 6, 9, 4, 5, true)
})
state = nil
src = "hello \x1b[34;48;5;233;1mwo\x1b[38;5;161mr\x1b[0ml\x1b[38;5;161md"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 3 {
t.Fail()
}
assert((*offsets)[0], 6, 8, 4, 233, true)
assert((*offsets)[1], 8, 9, 161, 233, true)
assert((*offsets)[2], 10, 11, 161, -1, false)
})
// {38,48};5;{38,48}
state = nil
src = "hello \x1b[38;5;38;48;5;48;1mwor\x1b[38;5;48;48;5;38ml\x1b[0md"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 2 {
t.Fail()
}
assert((*offsets)[0], 6, 9, 38, 48, true)
assert((*offsets)[1], 9, 10, 48, 38, true)
})
src = "hello \x1b[32;1mworld"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 1 {
t.Fail()
}
if state.fg != 2 || state.bg != -1 || state.attr == 0 {
t.Fail()
}
assert((*offsets)[0], 6, 11, 2, -1, true)
})
src = "hello world"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 1 {
t.Fail()
}
if state.fg != 2 || state.bg != -1 || state.attr == 0 {
t.Fail()
}
assert((*offsets)[0], 0, 11, 2, -1, true)
})
src = "hello \x1b[0;38;5;200;48;5;100mworld"
check(func(offsets *[]ansiOffset, state *ansiState) {
if len(*offsets) != 2 {
t.Fail()
}
if state.fg != 200 || state.bg != 100 || state.attr > 0 {
t.Fail()
}
assert((*offsets)[0], 0, 6, 2, -1, true)
assert((*offsets)[1], 6, 11, 200, 100, false)
})
}
func TestAnsiCodeStringConversion(t *testing.T) {
assert := func(code string, prevState *ansiState, expected string) {
state := interpretCode(code, prevState)
if expected != state.ToString() {
t.Errorf("expected: %s, actual: %s",
strings.Replace(expected, "\x1b[", "\\x1b[", -1),
strings.Replace(state.ToString(), "\x1b[", "\\x1b[", -1))
}
}
assert("\x1b[m", nil, "")
assert("\x1b[m", &ansiState{attr: tui.Blink, lbg: -1}, "")
assert("\x1b[31m", nil, "\x1b[31;49m")
assert("\x1b[41m", nil, "\x1b[39;41m")
assert("\x1b[92m", nil, "\x1b[92;49m")
assert("\x1b[102m", nil, "\x1b[39;102m")
assert("\x1b[31m", &ansiState{fg: 4, bg: 4, lbg: -1}, "\x1b[31;44m")
assert("\x1b[1;2;31m", &ansiState{fg: 2, bg: -1, attr: tui.Reverse, lbg: -1}, "\x1b[1;2;7;31;49m")
assert("\x1b[38;5;100;48;5;200m", nil, "\x1b[38;5;100;48;5;200m")
assert("\x1b[48;5;100;38;5;200m", nil, "\x1b[38;5;200;48;5;100m")
assert("\x1b[48;5;100;38;2;10;20;30;1m", nil, "\x1b[1;38;2;10;20;30;48;5;100m")
assert("\x1b[48;5;100;38;2;10;20;30;7m",
&ansiState{attr: tui.Dim | tui.Italic, fg: 1, bg: 1},
"\x1b[2;3;7;38;2;10;20;30;48;5;100m")
}
func TestParseAnsiCode(t *testing.T) {
tests := []struct {
In, Exp string
N int
}{
{"123", "", 123},
{"1a", "", -1},
{"1a;12", "12", -1},
{"12;a", "a", 12},
{"-2", "", -1},
}
for _, x := range tests {
n, s := parseAnsiCode(x.In)
if n != x.N || s != x.Exp {
t.Fatalf("%q: got: (%d %q) want: (%d %q)", x.In, n, s, x.N, x.Exp)
}
}
}
// kernel/bpf/preload/iterators/README
const ansiBenchmarkString = "\x1b[38;5;81m\x1b[01;31m\x1b[Kkernel/\x1b[0m\x1b[38;5;81mbpf/" +
"\x1b[0m\x1b[38;5;81mpreload/\x1b[0m\x1b[38;5;81miterators/" +
"\x1b[0m\x1b[38;5;149mMakefile\x1b[m\x1b[K\x1b[0m"
func BenchmarkNextAnsiEscapeSequence(b *testing.B) {
b.SetBytes(int64(len(ansiBenchmarkString)))
for i := 0; i < b.N; i++ {
s := ansiBenchmarkString
for {
_, o := nextAnsiEscapeSequence(s)
if o == -1 {
break
}
s = s[o:]
}
}
}
// Baseline test to compare the speed of nextAnsiEscapeSequence() to the
// previously used regex based implementation.
func BenchmarkNextAnsiEscapeSequence_Regex(b *testing.B) {
b.SetBytes(int64(len(ansiBenchmarkString)))
for i := 0; i < b.N; i++ {
s := ansiBenchmarkString
for {
a := ansiRegexReference.FindStringIndex(s)
if len(a) == 0 {
break
}
s = s[a[1]:]
}
}
}
func BenchmarkExtractColor(b *testing.B) {
b.SetBytes(int64(len(ansiBenchmarkString)))
for i := 0; i < b.N; i++ {
extractColor(ansiBenchmarkString, nil, nil)
}
}

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package fzf
import "sync"
// queryCache associates strings to lists of items
type queryCache map[string][]Result
// ChunkCache associates Chunk and query string to lists of items
type ChunkCache struct {
mutex sync.Mutex
cache map[*Chunk]*queryCache
}
// NewChunkCache returns a new ChunkCache
func NewChunkCache() ChunkCache {
return ChunkCache{sync.Mutex{}, make(map[*Chunk]*queryCache)}
}
// Add adds the list to the cache
func (cc *ChunkCache) Add(chunk *Chunk, key string, list []Result) {
if len(key) == 0 || !chunk.IsFull() || len(list) > queryCacheMax {
return
}
cc.mutex.Lock()
defer cc.mutex.Unlock()
qc, ok := cc.cache[chunk]
if !ok {
cc.cache[chunk] = &queryCache{}
qc = cc.cache[chunk]
}
(*qc)[key] = list
}
// Lookup is called to lookup ChunkCache
func (cc *ChunkCache) Lookup(chunk *Chunk, key string) []Result {
if len(key) == 0 || !chunk.IsFull() {
return nil
}
cc.mutex.Lock()
defer cc.mutex.Unlock()
qc, ok := cc.cache[chunk]
if ok {
list, ok := (*qc)[key]
if ok {
return list
}
}
return nil
}
func (cc *ChunkCache) Search(chunk *Chunk, key string) []Result {
if len(key) == 0 || !chunk.IsFull() {
return nil
}
cc.mutex.Lock()
defer cc.mutex.Unlock()
qc, ok := cc.cache[chunk]
if !ok {
return nil
}
for idx := 1; idx < len(key); idx++ {
// [---------| ] | [ |---------]
// [--------| ] | [ |--------]
// [-------| ] | [ |-------]
prefix := key[:len(key)-idx]
suffix := key[idx:]
for _, substr := range [2]string{prefix, suffix} {
if cached, found := (*qc)[substr]; found {
return cached
}
}
}
return nil
}

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package fzf
import "testing"
func TestChunkCache(t *testing.T) {
cache := NewChunkCache()
chunk1p := &Chunk{}
chunk2p := &Chunk{count: chunkSize}
items1 := []Result{{}}
items2 := []Result{{}, {}}
cache.Add(chunk1p, "foo", items1)
cache.Add(chunk2p, "foo", items1)
cache.Add(chunk2p, "bar", items2)
{ // chunk1 is not full
cached := cache.Lookup(chunk1p, "foo")
if cached != nil {
t.Error("Cached disabled for non-empty chunks", cached)
}
}
{
cached := cache.Lookup(chunk2p, "foo")
if cached == nil || len(cached) != 1 {
t.Error("Expected 1 item cached", cached)
}
}
{
cached := cache.Lookup(chunk2p, "bar")
if cached == nil || len(cached) != 2 {
t.Error("Expected 2 items cached", cached)
}
}
{
cached := cache.Lookup(chunk1p, "foobar")
if cached != nil {
t.Error("Expected 0 item cached", cached)
}
}
}

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package fzf
import "sync"
// Chunk is a list of Items whose size has the upper limit of chunkSize
type Chunk struct {
items [chunkSize]Item
count int
}
// ItemBuilder is a closure type that builds Item object from byte array
type ItemBuilder func(*Item, []byte) bool
// ChunkList is a list of Chunks
type ChunkList struct {
chunks []*Chunk
mutex sync.Mutex
trans ItemBuilder
}
// NewChunkList returns a new ChunkList
func NewChunkList(trans ItemBuilder) *ChunkList {
return &ChunkList{
chunks: []*Chunk{},
mutex: sync.Mutex{},
trans: trans}
}
func (c *Chunk) push(trans ItemBuilder, data []byte) bool {
if trans(&c.items[c.count], data) {
c.count++
return true
}
return false
}
// IsFull returns true if the Chunk is full
func (c *Chunk) IsFull() bool {
return c.count == chunkSize
}
func (cl *ChunkList) lastChunk() *Chunk {
return cl.chunks[len(cl.chunks)-1]
}
// CountItems returns the total number of Items
func CountItems(cs []*Chunk) int {
if len(cs) == 0 {
return 0
}
return chunkSize*(len(cs)-1) + cs[len(cs)-1].count
}
// Push adds the item to the list
func (cl *ChunkList) Push(data []byte) bool {
cl.mutex.Lock()
if len(cl.chunks) == 0 || cl.lastChunk().IsFull() {
cl.chunks = append(cl.chunks, &Chunk{})
}
ret := cl.lastChunk().push(cl.trans, data)
cl.mutex.Unlock()
return ret
}
// Clear clears the data
func (cl *ChunkList) Clear() {
cl.mutex.Lock()
cl.chunks = nil
cl.mutex.Unlock()
}
// Snapshot returns immutable snapshot of the ChunkList
func (cl *ChunkList) Snapshot() ([]*Chunk, int) {
cl.mutex.Lock()
ret := make([]*Chunk, len(cl.chunks))
copy(ret, cl.chunks)
// Duplicate the last chunk
if cnt := len(ret); cnt > 0 {
newChunk := *ret[cnt-1]
ret[cnt-1] = &newChunk
}
cl.mutex.Unlock()
return ret, CountItems(ret)
}

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package fzf
import (
"fmt"
"testing"
"github.com/junegunn/fzf/src/util"
)
func TestChunkList(t *testing.T) {
// FIXME global
sortCriteria = []criterion{byScore, byLength}
cl := NewChunkList(func(item *Item, s []byte) bool {
item.text = util.ToChars(s)
return true
})
// Snapshot
snapshot, count := cl.Snapshot()
if len(snapshot) > 0 || count > 0 {
t.Error("Snapshot should be empty now")
}
// Add some data
cl.Push([]byte("hello"))
cl.Push([]byte("world"))
// Previously created snapshot should remain the same
if len(snapshot) > 0 {
t.Error("Snapshot should not have changed")
}
// But the new snapshot should contain the added items
snapshot, count = cl.Snapshot()
if len(snapshot) != 1 && count != 2 {
t.Error("Snapshot should not be empty now")
}
// Check the content of the ChunkList
chunk1 := snapshot[0]
if chunk1.count != 2 {
t.Error("Snapshot should contain only two items")
}
if chunk1.items[0].text.ToString() != "hello" ||
chunk1.items[1].text.ToString() != "world" {
t.Error("Invalid data")
}
if chunk1.IsFull() {
t.Error("Chunk should not have been marked full yet")
}
// Add more data
for i := 0; i < chunkSize*2; i++ {
cl.Push([]byte(fmt.Sprintf("item %d", i)))
}
// Previous snapshot should remain the same
if len(snapshot) != 1 {
t.Error("Snapshot should stay the same")
}
// New snapshot
snapshot, count = cl.Snapshot()
if len(snapshot) != 3 || !snapshot[0].IsFull() ||
!snapshot[1].IsFull() || snapshot[2].IsFull() || count != chunkSize*2+2 {
t.Error("Expected two full chunks and one more chunk")
}
if snapshot[2].count != 2 {
t.Error("Unexpected number of items")
}
cl.Push([]byte("hello"))
cl.Push([]byte("world"))
lastChunkCount := snapshot[len(snapshot)-1].count
if lastChunkCount != 2 {
t.Error("Unexpected number of items:", lastChunkCount)
}
}

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package fzf
import (
"math"
"os"
"time"
"github.com/junegunn/fzf/src/util"
)
const (
// Core
coordinatorDelayMax time.Duration = 100 * time.Millisecond
coordinatorDelayStep time.Duration = 10 * time.Millisecond
// Reader
readerBufferSize = 64 * 1024
readerPollIntervalMin = 10 * time.Millisecond
readerPollIntervalStep = 5 * time.Millisecond
readerPollIntervalMax = 50 * time.Millisecond
// Terminal
initialDelay = 20 * time.Millisecond
initialDelayTac = 100 * time.Millisecond
spinnerDuration = 100 * time.Millisecond
previewCancelWait = 500 * time.Millisecond
previewChunkDelay = 100 * time.Millisecond
previewDelayed = 500 * time.Millisecond
maxPatternLength = 300
maxMulti = math.MaxInt32
// Matcher
numPartitionsMultiplier = 8
maxPartitions = 32
progressMinDuration = 200 * time.Millisecond
// Capacity of each chunk
chunkSize int = 100
// Pre-allocated memory slices to minimize GC
slab16Size int = 100 * 1024 // 200KB * 32 = 12.8MB
slab32Size int = 2048 // 8KB * 32 = 256KB
// Do not cache results of low selectivity queries
queryCacheMax int = chunkSize / 5
// Not to cache mergers with large lists
mergerCacheMax int = 100000
// History
defaultHistoryMax int = 1000
// Jump labels
defaultJumpLabels string = "asdfghjklqwertyuiopzxcvbnm1234567890ASDFGHJKLQWERTYUIOPZXCVBNM`~;:,<.>/?'\"!@#$%^&*()[{]}-_=+"
)
var defaultCommand string
func init() {
if !util.IsWindows() {
defaultCommand = `set -o pipefail; command find -L . -mindepth 1 \( -path '*/\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \) -prune -o -type f -print -o -type l -print 2> /dev/null | cut -b3-`
} else if os.Getenv("TERM") == "cygwin" {
defaultCommand = `sh -c "command find -L . -mindepth 1 -path '*/\.*' -prune -o -type f -print -o -type l -print 2> /dev/null | cut -b3-"`
}
}
// fzf events
const (
EvtReadNew util.EventType = iota
EvtReadFin
EvtSearchNew
EvtSearchProgress
EvtSearchFin
EvtHeader
EvtReady
EvtQuit
)
const (
exitCancel = -1
exitOk = 0
exitNoMatch = 1
exitError = 2
exitInterrupt = 130
)

351
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/*
Package fzf implements fzf, a command-line fuzzy finder.
The MIT License (MIT)
Copyright (c) 2013-2021 Junegunn Choi
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
package fzf
import (
"fmt"
"os"
"time"
"github.com/junegunn/fzf/src/util"
)
/*
Reader -> EvtReadFin
Reader -> EvtReadNew -> Matcher (restart)
Terminal -> EvtSearchNew:bool -> Matcher (restart)
Matcher -> EvtSearchProgress -> Terminal (update info)
Matcher -> EvtSearchFin -> Terminal (update list)
Matcher -> EvtHeader -> Terminal (update header)
*/
// Run starts fzf
func Run(opts *Options, version string, revision string) {
sort := opts.Sort > 0
sortCriteria = opts.Criteria
if opts.Version {
if len(revision) > 0 {
fmt.Printf("%s (%s)\n", version, revision)
} else {
fmt.Println(version)
}
os.Exit(exitOk)
}
// Event channel
eventBox := util.NewEventBox()
// ANSI code processor
ansiProcessor := func(data []byte) (util.Chars, *[]ansiOffset) {
return util.ToChars(data), nil
}
var lineAnsiState, prevLineAnsiState *ansiState
if opts.Ansi {
if opts.Theme.Colored {
ansiProcessor = func(data []byte) (util.Chars, *[]ansiOffset) {
prevLineAnsiState = lineAnsiState
trimmed, offsets, newState := extractColor(string(data), lineAnsiState, nil)
lineAnsiState = newState
return util.ToChars([]byte(trimmed)), offsets
}
} else {
// When color is disabled but ansi option is given,
// we simply strip out ANSI codes from the input
ansiProcessor = func(data []byte) (util.Chars, *[]ansiOffset) {
trimmed, _, _ := extractColor(string(data), nil, nil)
return util.ToChars([]byte(trimmed)), nil
}
}
}
// Chunk list
var chunkList *ChunkList
var itemIndex int32
header := make([]string, 0, opts.HeaderLines)
if len(opts.WithNth) == 0 {
chunkList = NewChunkList(func(item *Item, data []byte) bool {
if len(header) < opts.HeaderLines {
header = append(header, string(data))
eventBox.Set(EvtHeader, header)
return false
}
item.text, item.colors = ansiProcessor(data)
item.text.Index = itemIndex
itemIndex++
return true
})
} else {
chunkList = NewChunkList(func(item *Item, data []byte) bool {
tokens := Tokenize(string(data), opts.Delimiter)
if opts.Ansi && opts.Theme.Colored && len(tokens) > 1 {
var ansiState *ansiState
if prevLineAnsiState != nil {
ansiStateDup := *prevLineAnsiState
ansiState = &ansiStateDup
}
for _, token := range tokens {
prevAnsiState := ansiState
_, _, ansiState = extractColor(token.text.ToString(), ansiState, nil)
if prevAnsiState != nil {
token.text.Prepend("\x1b[m" + prevAnsiState.ToString())
} else {
token.text.Prepend("\x1b[m")
}
}
}
trans := Transform(tokens, opts.WithNth)
transformed := joinTokens(trans)
if len(header) < opts.HeaderLines {
header = append(header, transformed)
eventBox.Set(EvtHeader, header)
return false
}
item.text, item.colors = ansiProcessor([]byte(transformed))
item.text.TrimTrailingWhitespaces()
item.text.Index = itemIndex
item.origText = &data
itemIndex++
return true
})
}
// Reader
streamingFilter := opts.Filter != nil && !sort && !opts.Tac && !opts.Sync
var reader *Reader
if !streamingFilter {
reader = NewReader(func(data []byte) bool {
return chunkList.Push(data)
}, eventBox, opts.ReadZero, opts.Filter == nil)
go reader.ReadSource()
}
// Matcher
forward := true
for _, cri := range opts.Criteria[1:] {
if cri == byEnd {
forward = false
break
}
if cri == byBegin {
break
}
}
patternBuilder := func(runes []rune) *Pattern {
return BuildPattern(
opts.Fuzzy, opts.FuzzyAlgo, opts.Extended, opts.Case, opts.Normalize, forward,
opts.Filter == nil, opts.Nth, opts.Delimiter, runes)
}
matcher := NewMatcher(patternBuilder, sort, opts.Tac, eventBox)
// Filtering mode
if opts.Filter != nil {
if opts.PrintQuery {
opts.Printer(*opts.Filter)
}
pattern := patternBuilder([]rune(*opts.Filter))
matcher.sort = pattern.sortable
found := false
if streamingFilter {
slab := util.MakeSlab(slab16Size, slab32Size)
reader := NewReader(
func(runes []byte) bool {
item := Item{}
if chunkList.trans(&item, runes) {
if result, _, _ := pattern.MatchItem(&item, false, slab); result != nil {
opts.Printer(item.text.ToString())
found = true
}
}
return false
}, eventBox, opts.ReadZero, false)
reader.ReadSource()
} else {
eventBox.Unwatch(EvtReadNew)
eventBox.WaitFor(EvtReadFin)
snapshot, _ := chunkList.Snapshot()
merger, _ := matcher.scan(MatchRequest{
chunks: snapshot,
pattern: pattern})
for i := 0; i < merger.Length(); i++ {
opts.Printer(merger.Get(i).item.AsString(opts.Ansi))
found = true
}
}
if found {
os.Exit(exitOk)
}
os.Exit(exitNoMatch)
}
// Synchronous search
if opts.Sync {
eventBox.Unwatch(EvtReadNew)
eventBox.WaitFor(EvtReadFin)
}
// Go interactive
go matcher.Loop()
// Terminal I/O
terminal := NewTerminal(opts, eventBox)
deferred := opts.Select1 || opts.Exit0
go terminal.Loop()
if !deferred {
terminal.startChan <- true
}
// Event coordination
reading := true
clearCache := util.Once(false)
clearSelection := util.Once(false)
ticks := 0
var nextCommand *string
restart := func(command string) {
reading = true
clearCache = util.Once(true)
clearSelection = util.Once(true)
chunkList.Clear()
itemIndex = 0
header = make([]string, 0, opts.HeaderLines)
go reader.restart(command)
}
eventBox.Watch(EvtReadNew)
query := []rune{}
for {
delay := true
ticks++
input := func() []rune {
paused, input := terminal.Input()
if !paused {
query = input
}
return query
}
eventBox.Wait(func(events *util.Events) {
if _, fin := (*events)[EvtReadFin]; fin {
delete(*events, EvtReadNew)
}
for evt, value := range *events {
switch evt {
case EvtQuit:
if reading {
reader.terminate()
}
os.Exit(value.(int))
case EvtReadNew, EvtReadFin:
if evt == EvtReadFin && nextCommand != nil {
restart(*nextCommand)
nextCommand = nil
break
} else {
reading = reading && evt == EvtReadNew
}
snapshot, count := chunkList.Snapshot()
terminal.UpdateCount(count, !reading, value.(*string))
if opts.Sync {
opts.Sync = false
terminal.UpdateList(PassMerger(&snapshot, opts.Tac), false)
}
matcher.Reset(snapshot, input(), false, !reading, sort, clearCache())
case EvtSearchNew:
var command *string
switch val := value.(type) {
case searchRequest:
sort = val.sort
command = val.command
}
if command != nil {
if reading {
reader.terminate()
nextCommand = command
} else {
restart(*command)
}
break
}
snapshot, _ := chunkList.Snapshot()
matcher.Reset(snapshot, input(), true, !reading, sort, clearCache())
delay = false
case EvtSearchProgress:
switch val := value.(type) {
case float32:
terminal.UpdateProgress(val)
}
case EvtHeader:
headerPadded := make([]string, opts.HeaderLines)
copy(headerPadded, value.([]string))
terminal.UpdateHeader(headerPadded)
case EvtSearchFin:
switch val := value.(type) {
case *Merger:
if deferred {
count := val.Length()
if opts.Select1 && count > 1 || opts.Exit0 && !opts.Select1 && count > 0 {
deferred = false
terminal.startChan <- true
} else if val.final {
if opts.Exit0 && count == 0 || opts.Select1 && count == 1 {
if opts.PrintQuery {
opts.Printer(opts.Query)
}
if len(opts.Expect) > 0 {
opts.Printer("")
}
for i := 0; i < count; i++ {
opts.Printer(val.Get(i).item.AsString(opts.Ansi))
}
if count > 0 {
os.Exit(exitOk)
}
os.Exit(exitNoMatch)
}
deferred = false
terminal.startChan <- true
}
}
terminal.UpdateList(val, clearSelection())
}
}
}
events.Clear()
})
if delay && reading {
dur := util.DurWithin(
time.Duration(ticks)*coordinatorDelayStep,
0, coordinatorDelayMax)
time.Sleep(dur)
}
}
}

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package fzf
import (
"errors"
"io/ioutil"
"os"
"strings"
)
// History struct represents input history
type History struct {
path string
lines []string
modified map[int]string
maxSize int
cursor int
}
// NewHistory returns the pointer to a new History struct
func NewHistory(path string, maxSize int) (*History, error) {
fmtError := func(e error) error {
if os.IsPermission(e) {
return errors.New("permission denied: " + path)
}
return errors.New("invalid history file: " + e.Error())
}
// Read history file
data, err := ioutil.ReadFile(path)
if err != nil {
// If it doesn't exist, check if we can create a file with the name
if os.IsNotExist(err) {
data = []byte{}
if err := ioutil.WriteFile(path, data, 0600); err != nil {
return nil, fmtError(err)
}
} else {
return nil, fmtError(err)
}
}
// Split lines and limit the maximum number of lines
lines := strings.Split(strings.Trim(string(data), "\n"), "\n")
if len(lines[len(lines)-1]) > 0 {
lines = append(lines, "")
}
return &History{
path: path,
maxSize: maxSize,
lines: lines,
modified: make(map[int]string),
cursor: len(lines) - 1}, nil
}
func (h *History) append(line string) error {
// We don't append empty lines
if len(line) == 0 {
return nil
}
lines := append(h.lines[:len(h.lines)-1], line)
if len(lines) > h.maxSize {
lines = lines[len(lines)-h.maxSize:]
}
h.lines = append(lines, "")
return ioutil.WriteFile(h.path, []byte(strings.Join(h.lines, "\n")), 0600)
}
func (h *History) override(str string) {
// You can update the history but they're not written to the file
if h.cursor == len(h.lines)-1 {
h.lines[h.cursor] = str
} else if h.cursor < len(h.lines)-1 {
h.modified[h.cursor] = str
}
}
func (h *History) current() string {
if str, prs := h.modified[h.cursor]; prs {
return str
}
return h.lines[h.cursor]
}
func (h *History) previous() string {
if h.cursor > 0 {
h.cursor--
}
return h.current()
}
func (h *History) next() string {
if h.cursor < len(h.lines)-1 {
h.cursor++
}
return h.current()
}

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package fzf
import (
"io/ioutil"
"os"
"runtime"
"testing"
)
func TestHistory(t *testing.T) {
maxHistory := 50
// Invalid arguments
var paths []string
if runtime.GOOS == "windows" {
// GOPATH should exist, so we shouldn't be able to override it
paths = []string{os.Getenv("GOPATH")}
} else {
paths = []string{"/etc", "/proc"}
}
for _, path := range paths {
if _, e := NewHistory(path, maxHistory); e == nil {
t.Error("Error expected for: " + path)
}
}
f, _ := ioutil.TempFile("", "fzf-history")
f.Close()
{ // Append lines
h, _ := NewHistory(f.Name(), maxHistory)
for i := 0; i < maxHistory+10; i++ {
h.append("foobar")
}
}
{ // Read lines
h, _ := NewHistory(f.Name(), maxHistory)
if len(h.lines) != maxHistory+1 {
t.Errorf("Expected: %d, actual: %d\n", maxHistory+1, len(h.lines))
}
for i := 0; i < maxHistory; i++ {
if h.lines[i] != "foobar" {
t.Error("Expected: foobar, actual: " + h.lines[i])
}
}
}
{ // Append lines
h, _ := NewHistory(f.Name(), maxHistory)
h.append("barfoo")
h.append("")
h.append("foobarbaz")
}
{ // Read lines again
h, _ := NewHistory(f.Name(), maxHistory)
if len(h.lines) != maxHistory+1 {
t.Errorf("Expected: %d, actual: %d\n", maxHistory+1, len(h.lines))
}
compare := func(idx int, exp string) {
if h.lines[idx] != exp {
t.Errorf("Expected: %s, actual: %s\n", exp, h.lines[idx])
}
}
compare(maxHistory-3, "foobar")
compare(maxHistory-2, "barfoo")
compare(maxHistory-1, "foobarbaz")
}
}

44
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package fzf
import (
"github.com/junegunn/fzf/src/util"
)
// Item represents each input line. 56 bytes.
type Item struct {
text util.Chars // 32 = 24 + 1 + 1 + 2 + 4
transformed *[]Token // 8
origText *[]byte // 8
colors *[]ansiOffset // 8
}
// Index returns ordinal index of the Item
func (item *Item) Index() int32 {
return item.text.Index
}
var minItem = Item{text: util.Chars{Index: -1}}
func (item *Item) TrimLength() uint16 {
return item.text.TrimLength()
}
// Colors returns ansiOffsets of the Item
func (item *Item) Colors() []ansiOffset {
if item.colors == nil {
return []ansiOffset{}
}
return *item.colors
}
// AsString returns the original string
func (item *Item) AsString(stripAnsi bool) string {
if item.origText != nil {
if stripAnsi {
trimmed, _, _ := extractColor(string(*item.origText), nil, nil)
return trimmed
}
return string(*item.origText)
}
return item.text.ToString()
}

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package fzf
import (
"testing"
"github.com/junegunn/fzf/src/util"
)
func TestStringPtr(t *testing.T) {
orig := []byte("\x1b[34mfoo")
text := []byte("\x1b[34mbar")
item := Item{origText: &orig, text: util.ToChars(text)}
if item.AsString(true) != "foo" || item.AsString(false) != string(orig) {
t.Fail()
}
if item.AsString(true) != "foo" {
t.Fail()
}
item.origText = nil
if item.AsString(true) != string(text) || item.AsString(false) != string(text) {
t.Fail()
}
}

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package fzf
import (
"fmt"
"runtime"
"sort"
"sync"
"time"
"github.com/junegunn/fzf/src/util"
)
// MatchRequest represents a search request
type MatchRequest struct {
chunks []*Chunk
pattern *Pattern
final bool
sort bool
clearCache bool
}
// Matcher is responsible for performing search
type Matcher struct {
patternBuilder func([]rune) *Pattern
sort bool
tac bool
eventBox *util.EventBox
reqBox *util.EventBox
partitions int
slab []*util.Slab
mergerCache map[string]*Merger
}
const (
reqRetry util.EventType = iota
reqReset
)
// NewMatcher returns a new Matcher
func NewMatcher(patternBuilder func([]rune) *Pattern,
sort bool, tac bool, eventBox *util.EventBox) *Matcher {
partitions := util.Min(numPartitionsMultiplier*runtime.NumCPU(), maxPartitions)
return &Matcher{
patternBuilder: patternBuilder,
sort: sort,
tac: tac,
eventBox: eventBox,
reqBox: util.NewEventBox(),
partitions: partitions,
slab: make([]*util.Slab, partitions),
mergerCache: make(map[string]*Merger)}
}
// Loop puts Matcher in action
func (m *Matcher) Loop() {
prevCount := 0
for {
var request MatchRequest
m.reqBox.Wait(func(events *util.Events) {
for _, val := range *events {
switch val := val.(type) {
case MatchRequest:
request = val
default:
panic(fmt.Sprintf("Unexpected type: %T", val))
}
}
events.Clear()
})
if request.sort != m.sort || request.clearCache {
m.sort = request.sort
m.mergerCache = make(map[string]*Merger)
clearChunkCache()
}
// Restart search
patternString := request.pattern.AsString()
var merger *Merger
cancelled := false
count := CountItems(request.chunks)
foundCache := false
if count == prevCount {
// Look up mergerCache
if cached, found := m.mergerCache[patternString]; found {
foundCache = true
merger = cached
}
} else {
// Invalidate mergerCache
prevCount = count
m.mergerCache = make(map[string]*Merger)
}
if !foundCache {
merger, cancelled = m.scan(request)
}
if !cancelled {
if merger.cacheable() {
m.mergerCache[patternString] = merger
}
merger.final = request.final
m.eventBox.Set(EvtSearchFin, merger)
}
}
}
func (m *Matcher) sliceChunks(chunks []*Chunk) [][]*Chunk {
partitions := m.partitions
perSlice := len(chunks) / partitions
if perSlice == 0 {
partitions = len(chunks)
perSlice = 1
}
slices := make([][]*Chunk, partitions)
for i := 0; i < partitions; i++ {
start := i * perSlice
end := start + perSlice
if i == partitions-1 {
end = len(chunks)
}
slices[i] = chunks[start:end]
}
return slices
}
type partialResult struct {
index int
matches []Result
}
func (m *Matcher) scan(request MatchRequest) (*Merger, bool) {
startedAt := time.Now()
numChunks := len(request.chunks)
if numChunks == 0 {
return EmptyMerger, false
}
pattern := request.pattern
if pattern.IsEmpty() {
return PassMerger(&request.chunks, m.tac), false
}
cancelled := util.NewAtomicBool(false)
slices := m.sliceChunks(request.chunks)
numSlices := len(slices)
resultChan := make(chan partialResult, numSlices)
countChan := make(chan int, numChunks)
waitGroup := sync.WaitGroup{}
for idx, chunks := range slices {
waitGroup.Add(1)
if m.slab[idx] == nil {
m.slab[idx] = util.MakeSlab(slab16Size, slab32Size)
}
go func(idx int, slab *util.Slab, chunks []*Chunk) {
defer func() { waitGroup.Done() }()
count := 0
allMatches := make([][]Result, len(chunks))
for idx, chunk := range chunks {
matches := request.pattern.Match(chunk, slab)
allMatches[idx] = matches
count += len(matches)
if cancelled.Get() {
return
}
countChan <- len(matches)
}
sliceMatches := make([]Result, 0, count)
for _, matches := range allMatches {
sliceMatches = append(sliceMatches, matches...)
}
if m.sort {
if m.tac {
sort.Sort(ByRelevanceTac(sliceMatches))
} else {
sort.Sort(ByRelevance(sliceMatches))
}
}
resultChan <- partialResult{idx, sliceMatches}
}(idx, m.slab[idx], chunks)
}
wait := func() bool {
cancelled.Set(true)
waitGroup.Wait()
return true
}
count := 0
matchCount := 0
for matchesInChunk := range countChan {
count++
matchCount += matchesInChunk
if count == numChunks {
break
}
if m.reqBox.Peek(reqReset) {
return nil, wait()
}
if time.Since(startedAt) > progressMinDuration {
m.eventBox.Set(EvtSearchProgress, float32(count)/float32(numChunks))
}
}
partialResults := make([][]Result, numSlices)
for range slices {
partialResult := <-resultChan
partialResults[partialResult.index] = partialResult.matches
}
return NewMerger(pattern, partialResults, m.sort, m.tac), false
}
// Reset is called to interrupt/signal the ongoing search
func (m *Matcher) Reset(chunks []*Chunk, patternRunes []rune, cancel bool, final bool, sort bool, clearCache bool) {
pattern := m.patternBuilder(patternRunes)
var event util.EventType
if cancel {
event = reqReset
} else {
event = reqRetry
}
m.reqBox.Set(event, MatchRequest{chunks, pattern, final, sort && pattern.sortable, clearCache})
}

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package fzf
import "fmt"
// EmptyMerger is a Merger with no data
var EmptyMerger = NewMerger(nil, [][]Result{}, false, false)
// Merger holds a set of locally sorted lists of items and provides the view of
// a single, globally-sorted list
type Merger struct {
pattern *Pattern
lists [][]Result
merged []Result
chunks *[]*Chunk
cursors []int
sorted bool
tac bool
final bool
count int
}
// PassMerger returns a new Merger that simply returns the items in the
// original order
func PassMerger(chunks *[]*Chunk, tac bool) *Merger {
mg := Merger{
pattern: nil,
chunks: chunks,
tac: tac,
count: 0}
for _, chunk := range *mg.chunks {
mg.count += chunk.count
}
return &mg
}
// NewMerger returns a new Merger
func NewMerger(pattern *Pattern, lists [][]Result, sorted bool, tac bool) *Merger {
mg := Merger{
pattern: pattern,
lists: lists,
merged: []Result{},
chunks: nil,
cursors: make([]int, len(lists)),
sorted: sorted,
tac: tac,
final: false,
count: 0}
for _, list := range mg.lists {
mg.count += len(list)
}
return &mg
}
// Length returns the number of items
func (mg *Merger) Length() int {
return mg.count
}
// Get returns the pointer to the Result object indexed by the given integer
func (mg *Merger) Get(idx int) Result {
if mg.chunks != nil {
if mg.tac {
idx = mg.count - idx - 1
}
chunk := (*mg.chunks)[idx/chunkSize]
return Result{item: &chunk.items[idx%chunkSize]}
}
if mg.sorted {
return mg.mergedGet(idx)
}
if mg.tac {
idx = mg.count - idx - 1
}
for _, list := range mg.lists {
numItems := len(list)
if idx < numItems {
return list[idx]
}
idx -= numItems
}
panic(fmt.Sprintf("Index out of bounds (unsorted, %d/%d)", idx, mg.count))
}
func (mg *Merger) cacheable() bool {
return mg.count < mergerCacheMax
}
func (mg *Merger) mergedGet(idx int) Result {
for i := len(mg.merged); i <= idx; i++ {
minRank := minRank()
minIdx := -1
for listIdx, list := range mg.lists {
cursor := mg.cursors[listIdx]
if cursor < 0 || cursor == len(list) {
mg.cursors[listIdx] = -1
continue
}
if cursor >= 0 {
rank := list[cursor]
if minIdx < 0 || compareRanks(rank, minRank, mg.tac) {
minRank = rank
minIdx = listIdx
}
}
}
if minIdx >= 0 {
chosen := mg.lists[minIdx]
mg.merged = append(mg.merged, chosen[mg.cursors[minIdx]])
mg.cursors[minIdx]++
} else {
panic(fmt.Sprintf("Index out of bounds (sorted, %d/%d)", i, mg.count))
}
}
return mg.merged[idx]
}

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fzf/fzf/src/merger_test.go Normal file
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package fzf
import (
"fmt"
"math/rand"
"sort"
"testing"
"github.com/junegunn/fzf/src/util"
)
func assert(t *testing.T, cond bool, msg ...string) {
if !cond {
t.Error(msg)
}
}
func randResult() Result {
str := fmt.Sprintf("%d", rand.Uint32())
chars := util.ToChars([]byte(str))
chars.Index = rand.Int31()
return Result{item: &Item{text: chars}}
}
func TestEmptyMerger(t *testing.T) {
assert(t, EmptyMerger.Length() == 0, "Not empty")
assert(t, EmptyMerger.count == 0, "Invalid count")
assert(t, len(EmptyMerger.lists) == 0, "Invalid lists")
assert(t, len(EmptyMerger.merged) == 0, "Invalid merged list")
}
func buildLists(partiallySorted bool) ([][]Result, []Result) {
numLists := 4
lists := make([][]Result, numLists)
cnt := 0
for i := 0; i < numLists; i++ {
numResults := rand.Int() % 20
cnt += numResults
lists[i] = make([]Result, numResults)
for j := 0; j < numResults; j++ {
item := randResult()
lists[i][j] = item
}
if partiallySorted {
sort.Sort(ByRelevance(lists[i]))
}
}
items := []Result{}
for _, list := range lists {
items = append(items, list...)
}
return lists, items
}
func TestMergerUnsorted(t *testing.T) {
lists, items := buildLists(false)
cnt := len(items)
// Not sorted: same order
mg := NewMerger(nil, lists, false, false)
assert(t, cnt == mg.Length(), "Invalid Length")
for i := 0; i < cnt; i++ {
assert(t, items[i] == mg.Get(i), "Invalid Get")
}
}
func TestMergerSorted(t *testing.T) {
lists, items := buildLists(true)
cnt := len(items)
// Sorted sorted order
mg := NewMerger(nil, lists, true, false)
assert(t, cnt == mg.Length(), "Invalid Length")
sort.Sort(ByRelevance(items))
for i := 0; i < cnt; i++ {
if items[i] != mg.Get(i) {
t.Error("Not sorted", items[i], mg.Get(i))
}
}
// Inverse order
mg2 := NewMerger(nil, lists, true, false)
for i := cnt - 1; i >= 0; i-- {
if items[i] != mg2.Get(i) {
t.Error("Not sorted", items[i], mg2.Get(i))
}
}
}

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fzf/fzf/src/options.go Normal file
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fzf/fzf/src/options_test.go Normal file
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package fzf
import (
"fmt"
"io/ioutil"
"testing"
"github.com/junegunn/fzf/src/tui"
)
func TestDelimiterRegex(t *testing.T) {
// Valid regex
delim := delimiterRegexp(".")
if delim.regex == nil || delim.str != nil {
t.Error(delim)
}
// Broken regex -> string
delim = delimiterRegexp("[0-9")
if delim.regex != nil || *delim.str != "[0-9" {
t.Error(delim)
}
// Valid regex
delim = delimiterRegexp("[0-9]")
if delim.regex.String() != "[0-9]" || delim.str != nil {
t.Error(delim)
}
// Tab character
delim = delimiterRegexp("\t")
if delim.regex != nil || *delim.str != "\t" {
t.Error(delim)
}
// Tab expression
delim = delimiterRegexp("\\t")
if delim.regex != nil || *delim.str != "\t" {
t.Error(delim)
}
// Tabs -> regex
delim = delimiterRegexp("\t+")
if delim.regex == nil || delim.str != nil {
t.Error(delim)
}
}
func TestDelimiterRegexString(t *testing.T) {
delim := delimiterRegexp("*")
tokens := Tokenize("-*--*---**---", delim)
if delim.regex != nil ||
tokens[0].text.ToString() != "-*" ||
tokens[1].text.ToString() != "--*" ||
tokens[2].text.ToString() != "---*" ||
tokens[3].text.ToString() != "*" ||
tokens[4].text.ToString() != "---" {
t.Errorf("%s %v %d", delim, tokens, len(tokens))
}
}
func TestDelimiterRegexRegex(t *testing.T) {
delim := delimiterRegexp("--\\*")
tokens := Tokenize("-*--*---**---", delim)
if delim.str != nil ||
tokens[0].text.ToString() != "-*--*" ||
tokens[1].text.ToString() != "---*" ||
tokens[2].text.ToString() != "*---" {
t.Errorf("%s %d", tokens, len(tokens))
}
}
func TestSplitNth(t *testing.T) {
{
ranges := splitNth("..")
if len(ranges) != 1 ||
ranges[0].begin != rangeEllipsis ||
ranges[0].end != rangeEllipsis {
t.Errorf("%v", ranges)
}
}
{
ranges := splitNth("..3,1..,2..3,4..-1,-3..-2,..,2,-2,2..-2,1..-1")
if len(ranges) != 10 ||
ranges[0].begin != rangeEllipsis || ranges[0].end != 3 ||
ranges[1].begin != rangeEllipsis || ranges[1].end != rangeEllipsis ||
ranges[2].begin != 2 || ranges[2].end != 3 ||
ranges[3].begin != 4 || ranges[3].end != rangeEllipsis ||
ranges[4].begin != -3 || ranges[4].end != -2 ||
ranges[5].begin != rangeEllipsis || ranges[5].end != rangeEllipsis ||
ranges[6].begin != 2 || ranges[6].end != 2 ||
ranges[7].begin != -2 || ranges[7].end != -2 ||
ranges[8].begin != 2 || ranges[8].end != -2 ||
ranges[9].begin != rangeEllipsis || ranges[9].end != rangeEllipsis {
t.Errorf("%v", ranges)
}
}
}
func TestIrrelevantNth(t *testing.T) {
{
opts := defaultOptions()
words := []string{"--nth", "..", "-x"}
parseOptions(opts, words)
postProcessOptions(opts)
if len(opts.Nth) != 0 {
t.Errorf("nth should be empty: %v", opts.Nth)
}
}
for _, words := range [][]string{{"--nth", "..,3", "+x"}, {"--nth", "3,1..", "+x"}, {"--nth", "..-1,1", "+x"}} {
{
opts := defaultOptions()
parseOptions(opts, words)
postProcessOptions(opts)
if len(opts.Nth) != 0 {
t.Errorf("nth should be empty: %v", opts.Nth)
}
}
{
opts := defaultOptions()
words = append(words, "-x")
parseOptions(opts, words)
postProcessOptions(opts)
if len(opts.Nth) != 2 {
t.Errorf("nth should not be empty: %v", opts.Nth)
}
}
}
}
func TestParseKeys(t *testing.T) {
pairs := parseKeyChords("ctrl-z,alt-z,f2,@,Alt-a,!,ctrl-G,J,g,ctrl-alt-a,ALT-enter,alt-SPACE", "")
checkEvent := func(e tui.Event, s string) {
if pairs[e] != s {
t.Errorf("%s != %s", pairs[e], s)
}
}
check := func(et tui.EventType, s string) {
checkEvent(et.AsEvent(), s)
}
if len(pairs) != 12 {
t.Error(12)
}
check(tui.CtrlZ, "ctrl-z")
check(tui.F2, "f2")
check(tui.CtrlG, "ctrl-G")
checkEvent(tui.AltKey('z'), "alt-z")
checkEvent(tui.Key('@'), "@")
checkEvent(tui.AltKey('a'), "Alt-a")
checkEvent(tui.Key('!'), "!")
checkEvent(tui.Key('J'), "J")
checkEvent(tui.Key('g'), "g")
checkEvent(tui.CtrlAltKey('a'), "ctrl-alt-a")
checkEvent(tui.CtrlAltKey('m'), "ALT-enter")
checkEvent(tui.AltKey(' '), "alt-SPACE")
// Synonyms
pairs = parseKeyChords("enter,Return,space,tab,btab,esc,up,down,left,right", "")
if len(pairs) != 9 {
t.Error(9)
}
check(tui.CtrlM, "Return")
checkEvent(tui.Key(' '), "space")
check(tui.Tab, "tab")
check(tui.BTab, "btab")
check(tui.ESC, "esc")
check(tui.Up, "up")
check(tui.Down, "down")
check(tui.Left, "left")
check(tui.Right, "right")
pairs = parseKeyChords("Tab,Ctrl-I,PgUp,page-up,pgdn,Page-Down,Home,End,Alt-BS,Alt-BSpace,shift-left,shift-right,btab,shift-tab,return,Enter,bspace", "")
if len(pairs) != 11 {
t.Error(11)
}
check(tui.Tab, "Ctrl-I")
check(tui.PgUp, "page-up")
check(tui.PgDn, "Page-Down")
check(tui.Home, "Home")
check(tui.End, "End")
check(tui.AltBS, "Alt-BSpace")
check(tui.SLeft, "shift-left")
check(tui.SRight, "shift-right")
check(tui.BTab, "shift-tab")
check(tui.CtrlM, "Enter")
check(tui.BSpace, "bspace")
}
func TestParseKeysWithComma(t *testing.T) {
checkN := func(a int, b int) {
if a != b {
t.Errorf("%d != %d", a, b)
}
}
check := func(pairs map[tui.Event]string, e tui.Event, s string) {
if pairs[e] != s {
t.Errorf("%s != %s", pairs[e], s)
}
}
pairs := parseKeyChords(",", "")
checkN(len(pairs), 1)
check(pairs, tui.Key(','), ",")
pairs = parseKeyChords(",,a,b", "")
checkN(len(pairs), 3)
check(pairs, tui.Key('a'), "a")
check(pairs, tui.Key('b'), "b")
check(pairs, tui.Key(','), ",")
pairs = parseKeyChords("a,b,,", "")
checkN(len(pairs), 3)
check(pairs, tui.Key('a'), "a")
check(pairs, tui.Key('b'), "b")
check(pairs, tui.Key(','), ",")
pairs = parseKeyChords("a,,,b", "")
checkN(len(pairs), 3)
check(pairs, tui.Key('a'), "a")
check(pairs, tui.Key('b'), "b")
check(pairs, tui.Key(','), ",")
pairs = parseKeyChords("a,,,b,c", "")
checkN(len(pairs), 4)
check(pairs, tui.Key('a'), "a")
check(pairs, tui.Key('b'), "b")
check(pairs, tui.Key('c'), "c")
check(pairs, tui.Key(','), ",")
pairs = parseKeyChords(",,,", "")
checkN(len(pairs), 1)
check(pairs, tui.Key(','), ",")
pairs = parseKeyChords(",ALT-,,", "")
checkN(len(pairs), 1)
check(pairs, tui.AltKey(','), "ALT-,")
}
func TestBind(t *testing.T) {
keymap := defaultKeymap()
check := func(event tui.Event, arg1 string, types ...actionType) {
if len(keymap[event]) != len(types) {
t.Errorf("invalid number of actions for %v (%d != %d)",
event, len(types), len(keymap[event]))
return
}
for idx, action := range keymap[event] {
if types[idx] != action.t {
t.Errorf("invalid action type (%d != %d)", types[idx], action.t)
}
}
if len(arg1) > 0 && keymap[event][0].a != arg1 {
t.Errorf("invalid action argument: (%s != %s)", arg1, keymap[event][0].a)
}
}
check(tui.CtrlA.AsEvent(), "", actBeginningOfLine)
parseKeymap(keymap,
"ctrl-a:kill-line,ctrl-b:toggle-sort+up+down,c:page-up,alt-z:page-down,"+
"f1:execute(ls {+})+abort+execute(echo {+})+select-all,f2:execute/echo {}, {}, {}/,f3:execute[echo '({})'],f4:execute;less {};,"+
"alt-a:execute-Multi@echo (,),[,],/,:,;,%,{}@,alt-b:execute;echo (,),[,],/,:,@,%,{};,"+
"x:Execute(foo+bar),X:execute/bar+baz/"+
",f1:+first,f1:+top"+
",,:abort,::accept,+:execute:++\nfoobar,Y:execute(baz)+up")
check(tui.CtrlA.AsEvent(), "", actKillLine)
check(tui.CtrlB.AsEvent(), "", actToggleSort, actUp, actDown)
check(tui.Key('c'), "", actPageUp)
check(tui.Key(','), "", actAbort)
check(tui.Key(':'), "", actAccept)
check(tui.AltKey('z'), "", actPageDown)
check(tui.F1.AsEvent(), "ls {+}", actExecute, actAbort, actExecute, actSelectAll, actFirst, actFirst)
check(tui.F2.AsEvent(), "echo {}, {}, {}", actExecute)
check(tui.F3.AsEvent(), "echo '({})'", actExecute)
check(tui.F4.AsEvent(), "less {}", actExecute)
check(tui.Key('x'), "foo+bar", actExecute)
check(tui.Key('X'), "bar+baz", actExecute)
check(tui.AltKey('a'), "echo (,),[,],/,:,;,%,{}", actExecuteMulti)
check(tui.AltKey('b'), "echo (,),[,],/,:,@,%,{}", actExecute)
check(tui.Key('+'), "++\nfoobar,Y:execute(baz)+up", actExecute)
for idx, char := range []rune{'~', '!', '@', '#', '$', '%', '^', '&', '*', '|', ';', '/'} {
parseKeymap(keymap, fmt.Sprintf("%d:execute%cfoobar%c", idx%10, char, char))
check(tui.Key([]rune(fmt.Sprintf("%d", idx%10))[0]), "foobar", actExecute)
}
parseKeymap(keymap, "f1:abort")
check(tui.F1.AsEvent(), "", actAbort)
}
func TestColorSpec(t *testing.T) {
theme := tui.Dark256
dark := parseTheme(theme, "dark")
if *dark != *theme {
t.Errorf("colors should be equivalent")
}
if dark == theme {
t.Errorf("point should not be equivalent")
}
light := parseTheme(theme, "dark,light")
if *light == *theme {
t.Errorf("should not be equivalent")
}
if *light != *tui.Light256 {
t.Errorf("colors should be equivalent")
}
if light == theme {
t.Errorf("point should not be equivalent")
}
customized := parseTheme(theme, "fg:231,bg:232")
if customized.Fg.Color != 231 || customized.Bg.Color != 232 {
t.Errorf("color not customized")
}
if *tui.Dark256 == *customized {
t.Errorf("colors should not be equivalent")
}
customized.Fg = tui.Dark256.Fg
customized.Bg = tui.Dark256.Bg
if *tui.Dark256 != *customized {
t.Errorf("colors should now be equivalent: %v, %v", tui.Dark256, customized)
}
customized = parseTheme(theme, "fg:231,dark,bg:232")
if customized.Fg != tui.Dark256.Fg || customized.Bg == tui.Dark256.Bg {
t.Errorf("color not customized")
}
}
func TestDefaultCtrlNP(t *testing.T) {
check := func(words []string, et tui.EventType, expected actionType) {
e := et.AsEvent()
opts := defaultOptions()
parseOptions(opts, words)
postProcessOptions(opts)
if opts.Keymap[e][0].t != expected {
t.Error()
}
}
check([]string{}, tui.CtrlN, actDown)
check([]string{}, tui.CtrlP, actUp)
check([]string{"--bind=ctrl-n:accept"}, tui.CtrlN, actAccept)
check([]string{"--bind=ctrl-p:accept"}, tui.CtrlP, actAccept)
f, _ := ioutil.TempFile("", "fzf-history")
f.Close()
hist := "--history=" + f.Name()
check([]string{hist}, tui.CtrlN, actNextHistory)
check([]string{hist}, tui.CtrlP, actPreviousHistory)
check([]string{hist, "--bind=ctrl-n:accept"}, tui.CtrlN, actAccept)
check([]string{hist, "--bind=ctrl-n:accept"}, tui.CtrlP, actPreviousHistory)
check([]string{hist, "--bind=ctrl-p:accept"}, tui.CtrlN, actNextHistory)
check([]string{hist, "--bind=ctrl-p:accept"}, tui.CtrlP, actAccept)
}
func optsFor(words ...string) *Options {
opts := defaultOptions()
parseOptions(opts, words)
postProcessOptions(opts)
return opts
}
func TestToggle(t *testing.T) {
opts := optsFor()
if opts.ToggleSort {
t.Error()
}
opts = optsFor("--bind=a:toggle-sort")
if !opts.ToggleSort {
t.Error()
}
opts = optsFor("--bind=a:toggle-sort", "--bind=a:up")
if opts.ToggleSort {
t.Error()
}
}
func TestPreviewOpts(t *testing.T) {
opts := optsFor()
if !(opts.Preview.command == "" &&
opts.Preview.hidden == false &&
opts.Preview.wrap == false &&
opts.Preview.position == posRight &&
opts.Preview.size.percent == true &&
opts.Preview.size.size == 50) {
t.Error()
}
opts = optsFor("--preview", "cat {}", "--preview-window=left:15,hidden,wrap:+{1}-/2")
if !(opts.Preview.command == "cat {}" &&
opts.Preview.hidden == true &&
opts.Preview.wrap == true &&
opts.Preview.position == posLeft &&
opts.Preview.scroll == "+{1}-/2" &&
opts.Preview.size.percent == false &&
opts.Preview.size.size == 15) {
t.Error(opts.Preview)
}
opts = optsFor("--preview-window=up,15,wrap,hidden,+{1}+3-1-2/2", "--preview-window=down", "--preview-window=cycle")
if !(opts.Preview.command == "" &&
opts.Preview.hidden == true &&
opts.Preview.wrap == true &&
opts.Preview.cycle == true &&
opts.Preview.position == posDown &&
opts.Preview.scroll == "+{1}+3-1-2/2" &&
opts.Preview.size.percent == false &&
opts.Preview.size.size == 15) {
t.Error(opts.Preview.size.size)
}
opts = optsFor("--preview-window=up:15:wrap:hidden")
if !(opts.Preview.command == "" &&
opts.Preview.hidden == true &&
opts.Preview.wrap == true &&
opts.Preview.position == posUp &&
opts.Preview.size.percent == false &&
opts.Preview.size.size == 15) {
t.Error(opts.Preview)
}
opts = optsFor("--preview=foo", "--preview-window=up", "--preview-window=default:70%")
if !(opts.Preview.command == "foo" &&
opts.Preview.position == posRight &&
opts.Preview.size.percent == true &&
opts.Preview.size.size == 70) {
t.Error(opts.Preview)
}
}
func TestAdditiveExpect(t *testing.T) {
opts := optsFor("--expect=a", "--expect", "b", "--expect=c")
if len(opts.Expect) != 3 {
t.Error(opts.Expect)
}
}
func TestValidateSign(t *testing.T) {
testCases := []struct {
inputSign string
isValid bool
}{
{"> ", true},
{"아", true},
{"😀", true},
{"", false},
{">>>", false},
{"\n", false},
{"\t", false},
}
for _, testCase := range testCases {
err := validateSign(testCase.inputSign, "")
if testCase.isValid && err != nil {
t.Errorf("Input sign `%s` caused error", testCase.inputSign)
}
if !testCase.isValid && err == nil {
t.Errorf("Input sign `%s` did not cause error", testCase.inputSign)
}
}
}

425
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package fzf
import (
"fmt"
"regexp"
"strings"
"github.com/junegunn/fzf/src/algo"
"github.com/junegunn/fzf/src/util"
)
// fuzzy
// 'exact
// ^prefix-exact
// suffix-exact$
// !inverse-exact
// !'inverse-fuzzy
// !^inverse-prefix-exact
// !inverse-suffix-exact$
type termType int
const (
termFuzzy termType = iota
termExact
termPrefix
termSuffix
termEqual
)
type term struct {
typ termType
inv bool
text []rune
caseSensitive bool
normalize bool
}
// String returns the string representation of a term.
func (t term) String() string {
return fmt.Sprintf("term{typ: %d, inv: %v, text: []rune(%q), caseSensitive: %v}", t.typ, t.inv, string(t.text), t.caseSensitive)
}
type termSet []term
// Pattern represents search pattern
type Pattern struct {
fuzzy bool
fuzzyAlgo algo.Algo
extended bool
caseSensitive bool
normalize bool
forward bool
text []rune
termSets []termSet
sortable bool
cacheable bool
cacheKey string
delimiter Delimiter
nth []Range
procFun map[termType]algo.Algo
}
var (
_patternCache map[string]*Pattern
_splitRegex *regexp.Regexp
_cache ChunkCache
)
func init() {
_splitRegex = regexp.MustCompile(" +")
clearPatternCache()
clearChunkCache()
}
func clearPatternCache() {
// We can uniquely identify the pattern for a given string since
// search mode and caseMode do not change while the program is running
_patternCache = make(map[string]*Pattern)
}
func clearChunkCache() {
_cache = NewChunkCache()
}
// BuildPattern builds Pattern object from the given arguments
func BuildPattern(fuzzy bool, fuzzyAlgo algo.Algo, extended bool, caseMode Case, normalize bool, forward bool,
cacheable bool, nth []Range, delimiter Delimiter, runes []rune) *Pattern {
var asString string
if extended {
asString = strings.TrimLeft(string(runes), " ")
for strings.HasSuffix(asString, " ") && !strings.HasSuffix(asString, "\\ ") {
asString = asString[:len(asString)-1]
}
} else {
asString = string(runes)
}
cached, found := _patternCache[asString]
if found {
return cached
}
caseSensitive := true
sortable := true
termSets := []termSet{}
if extended {
termSets = parseTerms(fuzzy, caseMode, normalize, asString)
// We should not sort the result if there are only inverse search terms
sortable = false
Loop:
for _, termSet := range termSets {
for idx, term := range termSet {
if !term.inv {
sortable = true
}
// If the query contains inverse search terms or OR operators,
// we cannot cache the search scope
if !cacheable || idx > 0 || term.inv || fuzzy && term.typ != termFuzzy || !fuzzy && term.typ != termExact {
cacheable = false
if sortable {
// Can't break until we see at least one non-inverse term
break Loop
}
}
}
}
} else {
lowerString := strings.ToLower(asString)
normalize = normalize &&
lowerString == string(algo.NormalizeRunes([]rune(lowerString)))
caseSensitive = caseMode == CaseRespect ||
caseMode == CaseSmart && lowerString != asString
if !caseSensitive {
asString = lowerString
}
}
ptr := &Pattern{
fuzzy: fuzzy,
fuzzyAlgo: fuzzyAlgo,
extended: extended,
caseSensitive: caseSensitive,
normalize: normalize,
forward: forward,
text: []rune(asString),
termSets: termSets,
sortable: sortable,
cacheable: cacheable,
nth: nth,
delimiter: delimiter,
procFun: make(map[termType]algo.Algo)}
ptr.cacheKey = ptr.buildCacheKey()
ptr.procFun[termFuzzy] = fuzzyAlgo
ptr.procFun[termEqual] = algo.EqualMatch
ptr.procFun[termExact] = algo.ExactMatchNaive
ptr.procFun[termPrefix] = algo.PrefixMatch
ptr.procFun[termSuffix] = algo.SuffixMatch
_patternCache[asString] = ptr
return ptr
}
func parseTerms(fuzzy bool, caseMode Case, normalize bool, str string) []termSet {
str = strings.Replace(str, "\\ ", "\t", -1)
tokens := _splitRegex.Split(str, -1)
sets := []termSet{}
set := termSet{}
switchSet := false
afterBar := false
for _, token := range tokens {
typ, inv, text := termFuzzy, false, strings.Replace(token, "\t", " ", -1)
lowerText := strings.ToLower(text)
caseSensitive := caseMode == CaseRespect ||
caseMode == CaseSmart && text != lowerText
normalizeTerm := normalize &&
lowerText == string(algo.NormalizeRunes([]rune(lowerText)))
if !caseSensitive {
text = lowerText
}
if !fuzzy {
typ = termExact
}
if len(set) > 0 && !afterBar && text == "|" {
switchSet = false
afterBar = true
continue
}
afterBar = false
if strings.HasPrefix(text, "!") {
inv = true
typ = termExact
text = text[1:]
}
if text != "$" && strings.HasSuffix(text, "$") {
typ = termSuffix
text = text[:len(text)-1]
}
if strings.HasPrefix(text, "'") {
// Flip exactness
if fuzzy && !inv {
typ = termExact
text = text[1:]
} else {
typ = termFuzzy
text = text[1:]
}
} else if strings.HasPrefix(text, "^") {
if typ == termSuffix {
typ = termEqual
} else {
typ = termPrefix
}
text = text[1:]
}
if len(text) > 0 {
if switchSet {
sets = append(sets, set)
set = termSet{}
}
textRunes := []rune(text)
if normalizeTerm {
textRunes = algo.NormalizeRunes(textRunes)
}
set = append(set, term{
typ: typ,
inv: inv,
text: textRunes,
caseSensitive: caseSensitive,
normalize: normalizeTerm})
switchSet = true
}
}
if len(set) > 0 {
sets = append(sets, set)
}
return sets
}
// IsEmpty returns true if the pattern is effectively empty
func (p *Pattern) IsEmpty() bool {
if !p.extended {
return len(p.text) == 0
}
return len(p.termSets) == 0
}
// AsString returns the search query in string type
func (p *Pattern) AsString() string {
return string(p.text)
}
func (p *Pattern) buildCacheKey() string {
if !p.extended {
return p.AsString()
}
cacheableTerms := []string{}
for _, termSet := range p.termSets {
if len(termSet) == 1 && !termSet[0].inv && (p.fuzzy || termSet[0].typ == termExact) {
cacheableTerms = append(cacheableTerms, string(termSet[0].text))
}
}
return strings.Join(cacheableTerms, "\t")
}
// CacheKey is used to build string to be used as the key of result cache
func (p *Pattern) CacheKey() string {
return p.cacheKey
}
// Match returns the list of matches Items in the given Chunk
func (p *Pattern) Match(chunk *Chunk, slab *util.Slab) []Result {
// ChunkCache: Exact match
cacheKey := p.CacheKey()
if p.cacheable {
if cached := _cache.Lookup(chunk, cacheKey); cached != nil {
return cached
}
}
// Prefix/suffix cache
space := _cache.Search(chunk, cacheKey)
matches := p.matchChunk(chunk, space, slab)
if p.cacheable {
_cache.Add(chunk, cacheKey, matches)
}
return matches
}
func (p *Pattern) matchChunk(chunk *Chunk, space []Result, slab *util.Slab) []Result {
matches := []Result{}
if space == nil {
for idx := 0; idx < chunk.count; idx++ {
if match, _, _ := p.MatchItem(&chunk.items[idx], false, slab); match != nil {
matches = append(matches, *match)
}
}
} else {
for _, result := range space {
if match, _, _ := p.MatchItem(result.item, false, slab); match != nil {
matches = append(matches, *match)
}
}
}
return matches
}
// MatchItem returns true if the Item is a match
func (p *Pattern) MatchItem(item *Item, withPos bool, slab *util.Slab) (*Result, []Offset, *[]int) {
if p.extended {
if offsets, bonus, pos := p.extendedMatch(item, withPos, slab); len(offsets) == len(p.termSets) {
result := buildResult(item, offsets, bonus)
return &result, offsets, pos
}
return nil, nil, nil
}
offset, bonus, pos := p.basicMatch(item, withPos, slab)
if sidx := offset[0]; sidx >= 0 {
offsets := []Offset{offset}
result := buildResult(item, offsets, bonus)
return &result, offsets, pos
}
return nil, nil, nil
}
func (p *Pattern) basicMatch(item *Item, withPos bool, slab *util.Slab) (Offset, int, *[]int) {
var input []Token
if len(p.nth) == 0 {
input = []Token{{text: &item.text, prefixLength: 0}}
} else {
input = p.transformInput(item)
}
if p.fuzzy {
return p.iter(p.fuzzyAlgo, input, p.caseSensitive, p.normalize, p.forward, p.text, withPos, slab)
}
return p.iter(algo.ExactMatchNaive, input, p.caseSensitive, p.normalize, p.forward, p.text, withPos, slab)
}
func (p *Pattern) extendedMatch(item *Item, withPos bool, slab *util.Slab) ([]Offset, int, *[]int) {
var input []Token
if len(p.nth) == 0 {
input = []Token{{text: &item.text, prefixLength: 0}}
} else {
input = p.transformInput(item)
}
offsets := []Offset{}
var totalScore int
var allPos *[]int
if withPos {
allPos = &[]int{}
}
for _, termSet := range p.termSets {
var offset Offset
var currentScore int
matched := false
for _, term := range termSet {
pfun := p.procFun[term.typ]
off, score, pos := p.iter(pfun, input, term.caseSensitive, term.normalize, p.forward, term.text, withPos, slab)
if sidx := off[0]; sidx >= 0 {
if term.inv {
continue
}
offset, currentScore = off, score
matched = true
if withPos {
if pos != nil {
*allPos = append(*allPos, *pos...)
} else {
for idx := off[0]; idx < off[1]; idx++ {
*allPos = append(*allPos, int(idx))
}
}
}
break
} else if term.inv {
offset, currentScore = Offset{0, 0}, 0
matched = true
continue
}
}
if matched {
offsets = append(offsets, offset)
totalScore += currentScore
}
}
return offsets, totalScore, allPos
}
func (p *Pattern) transformInput(item *Item) []Token {
if item.transformed != nil {
return *item.transformed
}
tokens := Tokenize(item.text.ToString(), p.delimiter)
ret := Transform(tokens, p.nth)
item.transformed = &ret
return ret
}
func (p *Pattern) iter(pfun algo.Algo, tokens []Token, caseSensitive bool, normalize bool, forward bool, pattern []rune, withPos bool, slab *util.Slab) (Offset, int, *[]int) {
for _, part := range tokens {
if res, pos := pfun(caseSensitive, normalize, forward, part.text, pattern, withPos, slab); res.Start >= 0 {
sidx := int32(res.Start) + part.prefixLength
eidx := int32(res.End) + part.prefixLength
if pos != nil {
for idx := range *pos {
(*pos)[idx] += int(part.prefixLength)
}
}
return Offset{sidx, eidx}, res.Score, pos
}
}
return Offset{-1, -1}, 0, nil
}

209
fzf/fzf/src/pattern_test.go Normal file
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package fzf
import (
"reflect"
"testing"
"github.com/junegunn/fzf/src/algo"
"github.com/junegunn/fzf/src/util"
)
var slab *util.Slab
func init() {
slab = util.MakeSlab(slab16Size, slab32Size)
}
func TestParseTermsExtended(t *testing.T) {
terms := parseTerms(true, CaseSmart, false,
"aaa 'bbb ^ccc ddd$ !eee !'fff !^ggg !hhh$ | ^iii$ ^xxx | 'yyy | zzz$ | !ZZZ |")
if len(terms) != 9 ||
terms[0][0].typ != termFuzzy || terms[0][0].inv ||
terms[1][0].typ != termExact || terms[1][0].inv ||
terms[2][0].typ != termPrefix || terms[2][0].inv ||
terms[3][0].typ != termSuffix || terms[3][0].inv ||
terms[4][0].typ != termExact || !terms[4][0].inv ||
terms[5][0].typ != termFuzzy || !terms[5][0].inv ||
terms[6][0].typ != termPrefix || !terms[6][0].inv ||
terms[7][0].typ != termSuffix || !terms[7][0].inv ||
terms[7][1].typ != termEqual || terms[7][1].inv ||
terms[8][0].typ != termPrefix || terms[8][0].inv ||
terms[8][1].typ != termExact || terms[8][1].inv ||
terms[8][2].typ != termSuffix || terms[8][2].inv ||
terms[8][3].typ != termExact || !terms[8][3].inv {
t.Errorf("%v", terms)
}
for _, termSet := range terms[:8] {
term := termSet[0]
if len(term.text) != 3 {
t.Errorf("%v", term)
}
}
}
func TestParseTermsExtendedExact(t *testing.T) {
terms := parseTerms(false, CaseSmart, false,
"aaa 'bbb ^ccc ddd$ !eee !'fff !^ggg !hhh$")
if len(terms) != 8 ||
terms[0][0].typ != termExact || terms[0][0].inv || len(terms[0][0].text) != 3 ||
terms[1][0].typ != termFuzzy || terms[1][0].inv || len(terms[1][0].text) != 3 ||
terms[2][0].typ != termPrefix || terms[2][0].inv || len(terms[2][0].text) != 3 ||
terms[3][0].typ != termSuffix || terms[3][0].inv || len(terms[3][0].text) != 3 ||
terms[4][0].typ != termExact || !terms[4][0].inv || len(terms[4][0].text) != 3 ||
terms[5][0].typ != termFuzzy || !terms[5][0].inv || len(terms[5][0].text) != 3 ||
terms[6][0].typ != termPrefix || !terms[6][0].inv || len(terms[6][0].text) != 3 ||
terms[7][0].typ != termSuffix || !terms[7][0].inv || len(terms[7][0].text) != 3 {
t.Errorf("%v", terms)
}
}
func TestParseTermsEmpty(t *testing.T) {
terms := parseTerms(true, CaseSmart, false, "' ^ !' !^")
if len(terms) != 0 {
t.Errorf("%v", terms)
}
}
func TestExact(t *testing.T) {
defer clearPatternCache()
clearPatternCache()
pattern := BuildPattern(true, algo.FuzzyMatchV2, true, CaseSmart, false, true, true,
[]Range{}, Delimiter{}, []rune("'abc"))
chars := util.ToChars([]byte("aabbcc abc"))
res, pos := algo.ExactMatchNaive(
pattern.caseSensitive, pattern.normalize, pattern.forward, &chars, pattern.termSets[0][0].text, true, nil)
if res.Start != 7 || res.End != 10 {
t.Errorf("%v / %d / %d", pattern.termSets, res.Start, res.End)
}
if pos != nil {
t.Errorf("pos is expected to be nil")
}
}
func TestEqual(t *testing.T) {
defer clearPatternCache()
clearPatternCache()
pattern := BuildPattern(true, algo.FuzzyMatchV2, true, CaseSmart, false, true, true, []Range{}, Delimiter{}, []rune("^AbC$"))
match := func(str string, sidxExpected int, eidxExpected int) {
chars := util.ToChars([]byte(str))
res, pos := algo.EqualMatch(
pattern.caseSensitive, pattern.normalize, pattern.forward, &chars, pattern.termSets[0][0].text, true, nil)
if res.Start != sidxExpected || res.End != eidxExpected {
t.Errorf("%v / %d / %d", pattern.termSets, res.Start, res.End)
}
if pos != nil {
t.Errorf("pos is expected to be nil")
}
}
match("ABC", -1, -1)
match("AbC", 0, 3)
match("AbC ", 0, 3)
match(" AbC ", 1, 4)
match(" AbC", 2, 5)
}
func TestCaseSensitivity(t *testing.T) {
defer clearPatternCache()
clearPatternCache()
pat1 := BuildPattern(true, algo.FuzzyMatchV2, false, CaseSmart, false, true, true, []Range{}, Delimiter{}, []rune("abc"))
clearPatternCache()
pat2 := BuildPattern(true, algo.FuzzyMatchV2, false, CaseSmart, false, true, true, []Range{}, Delimiter{}, []rune("Abc"))
clearPatternCache()
pat3 := BuildPattern(true, algo.FuzzyMatchV2, false, CaseIgnore, false, true, true, []Range{}, Delimiter{}, []rune("abc"))
clearPatternCache()
pat4 := BuildPattern(true, algo.FuzzyMatchV2, false, CaseIgnore, false, true, true, []Range{}, Delimiter{}, []rune("Abc"))
clearPatternCache()
pat5 := BuildPattern(true, algo.FuzzyMatchV2, false, CaseRespect, false, true, true, []Range{}, Delimiter{}, []rune("abc"))
clearPatternCache()
pat6 := BuildPattern(true, algo.FuzzyMatchV2, false, CaseRespect, false, true, true, []Range{}, Delimiter{}, []rune("Abc"))
if string(pat1.text) != "abc" || pat1.caseSensitive != false ||
string(pat2.text) != "Abc" || pat2.caseSensitive != true ||
string(pat3.text) != "abc" || pat3.caseSensitive != false ||
string(pat4.text) != "abc" || pat4.caseSensitive != false ||
string(pat5.text) != "abc" || pat5.caseSensitive != true ||
string(pat6.text) != "Abc" || pat6.caseSensitive != true {
t.Error("Invalid case conversion")
}
}
func TestOrigTextAndTransformed(t *testing.T) {
pattern := BuildPattern(true, algo.FuzzyMatchV2, true, CaseSmart, false, true, true, []Range{}, Delimiter{}, []rune("jg"))
tokens := Tokenize("junegunn", Delimiter{})
trans := Transform(tokens, []Range{{1, 1}})
origBytes := []byte("junegunn.choi")
for _, extended := range []bool{false, true} {
chunk := Chunk{count: 1}
chunk.items[0] = Item{
text: util.ToChars([]byte("junegunn")),
origText: &origBytes,
transformed: &trans}
pattern.extended = extended
matches := pattern.matchChunk(&chunk, nil, slab) // No cache
if !(matches[0].item.text.ToString() == "junegunn" &&
string(*matches[0].item.origText) == "junegunn.choi" &&
reflect.DeepEqual(*matches[0].item.transformed, trans)) {
t.Error("Invalid match result", matches)
}
match, offsets, pos := pattern.MatchItem(&chunk.items[0], true, slab)
if !(match.item.text.ToString() == "junegunn" &&
string(*match.item.origText) == "junegunn.choi" &&
offsets[0][0] == 0 && offsets[0][1] == 5 &&
reflect.DeepEqual(*match.item.transformed, trans)) {
t.Error("Invalid match result", match, offsets, extended)
}
if !((*pos)[0] == 4 && (*pos)[1] == 0) {
t.Error("Invalid pos array", *pos)
}
}
}
func TestCacheKey(t *testing.T) {
test := func(extended bool, patStr string, expected string, cacheable bool) {
clearPatternCache()
pat := BuildPattern(true, algo.FuzzyMatchV2, extended, CaseSmart, false, true, true, []Range{}, Delimiter{}, []rune(patStr))
if pat.CacheKey() != expected {
t.Errorf("Expected: %s, actual: %s", expected, pat.CacheKey())
}
if pat.cacheable != cacheable {
t.Errorf("Expected: %t, actual: %t (%s)", cacheable, pat.cacheable, patStr)
}
clearPatternCache()
}
test(false, "foo !bar", "foo !bar", true)
test(false, "foo | bar !baz", "foo | bar !baz", true)
test(true, "foo bar baz", "foo\tbar\tbaz", true)
test(true, "foo !bar", "foo", false)
test(true, "foo !bar baz", "foo\tbaz", false)
test(true, "foo | bar baz", "baz", false)
test(true, "foo | bar | baz", "", false)
test(true, "foo | bar !baz", "", false)
test(true, "| | foo", "", false)
test(true, "| | | foo", "foo", false)
}
func TestCacheable(t *testing.T) {
test := func(fuzzy bool, str string, expected string, cacheable bool) {
clearPatternCache()
pat := BuildPattern(fuzzy, algo.FuzzyMatchV2, true, CaseSmart, true, true, true, []Range{}, Delimiter{}, []rune(str))
if pat.CacheKey() != expected {
t.Errorf("Expected: %s, actual: %s", expected, pat.CacheKey())
}
if cacheable != pat.cacheable {
t.Errorf("Invalid Pattern.cacheable for \"%s\": %v (expected: %v)", str, pat.cacheable, cacheable)
}
clearPatternCache()
}
test(true, "foo bar", "foo\tbar", true)
test(true, "foo 'bar", "foo\tbar", false)
test(true, "foo !bar", "foo", false)
test(false, "foo bar", "foo\tbar", true)
test(false, "foo 'bar", "foo", false)
test(false, "foo '", "foo", true)
test(false, "foo 'bar", "foo", false)
test(false, "foo !bar", "foo", false)
}

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// +build !openbsd
package protector
// Protect calls OS specific protections like pledge on OpenBSD
func Protect() {
return
}

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// +build openbsd
package protector
import "golang.org/x/sys/unix"
// Protect calls OS specific protections like pledge on OpenBSD
func Protect() {
unix.PledgePromises("stdio rpath tty proc exec")
}

201
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package fzf
import (
"bufio"
"context"
"io"
"os"
"os/exec"
"path/filepath"
"sync"
"sync/atomic"
"time"
"github.com/junegunn/fzf/src/util"
"github.com/saracen/walker"
)
// Reader reads from command or standard input
type Reader struct {
pusher func([]byte) bool
eventBox *util.EventBox
delimNil bool
event int32
finChan chan bool
mutex sync.Mutex
exec *exec.Cmd
command *string
killed bool
wait bool
}
// NewReader returns new Reader object
func NewReader(pusher func([]byte) bool, eventBox *util.EventBox, delimNil bool, wait bool) *Reader {
return &Reader{pusher, eventBox, delimNil, int32(EvtReady), make(chan bool, 1), sync.Mutex{}, nil, nil, false, wait}
}
func (r *Reader) startEventPoller() {
go func() {
ptr := &r.event
pollInterval := readerPollIntervalMin
for {
if atomic.CompareAndSwapInt32(ptr, int32(EvtReadNew), int32(EvtReady)) {
r.eventBox.Set(EvtReadNew, (*string)(nil))
pollInterval = readerPollIntervalMin
} else if atomic.LoadInt32(ptr) == int32(EvtReadFin) {
if r.wait {
r.finChan <- true
}
return
} else {
pollInterval += readerPollIntervalStep
if pollInterval > readerPollIntervalMax {
pollInterval = readerPollIntervalMax
}
}
time.Sleep(pollInterval)
}
}()
}
func (r *Reader) fin(success bool) {
atomic.StoreInt32(&r.event, int32(EvtReadFin))
if r.wait {
<-r.finChan
}
r.mutex.Lock()
ret := r.command
if success || r.killed {
ret = nil
}
r.mutex.Unlock()
r.eventBox.Set(EvtReadFin, ret)
}
func (r *Reader) terminate() {
r.mutex.Lock()
defer func() { r.mutex.Unlock() }()
r.killed = true
if r.exec != nil && r.exec.Process != nil {
util.KillCommand(r.exec)
} else if defaultCommand != "" {
os.Stdin.Close()
}
}
func (r *Reader) restart(command string) {
r.event = int32(EvtReady)
r.startEventPoller()
success := r.readFromCommand(nil, command)
r.fin(success)
}
// ReadSource reads data from the default command or from standard input
func (r *Reader) ReadSource() {
r.startEventPoller()
var success bool
if util.IsTty() {
// The default command for *nix requires bash
shell := "bash"
cmd := os.Getenv("FZF_DEFAULT_COMMAND")
if len(cmd) == 0 {
if defaultCommand != "" {
success = r.readFromCommand(&shell, defaultCommand)
} else {
success = r.readFiles()
}
} else {
success = r.readFromCommand(nil, cmd)
}
} else {
success = r.readFromStdin()
}
r.fin(success)
}
func (r *Reader) feed(src io.Reader) {
delim := byte('\n')
if r.delimNil {
delim = '\000'
}
reader := bufio.NewReaderSize(src, readerBufferSize)
for {
// ReadBytes returns err != nil if and only if the returned data does not
// end in delim.
bytea, err := reader.ReadBytes(delim)
byteaLen := len(bytea)
if byteaLen > 0 {
if err == nil {
// get rid of carriage return if under Windows:
if util.IsWindows() && byteaLen >= 2 && bytea[byteaLen-2] == byte('\r') {
bytea = bytea[:byteaLen-2]
} else {
bytea = bytea[:byteaLen-1]
}
}
if r.pusher(bytea) {
atomic.StoreInt32(&r.event, int32(EvtReadNew))
}
}
if err != nil {
break
}
}
}
func (r *Reader) readFromStdin() bool {
r.feed(os.Stdin)
return true
}
func (r *Reader) readFiles() bool {
r.killed = false
fn := func(path string, mode os.FileInfo) error {
path = filepath.Clean(path)
if path != "." {
isDir := mode.Mode().IsDir()
if isDir && filepath.Base(path)[0] == '.' {
return filepath.SkipDir
}
if !isDir && r.pusher([]byte(path)) {
atomic.StoreInt32(&r.event, int32(EvtReadNew))
}
}
r.mutex.Lock()
defer r.mutex.Unlock()
if r.killed {
return context.Canceled
}
return nil
}
cb := walker.WithErrorCallback(func(pathname string, err error) error {
return nil
})
return walker.Walk(".", fn, cb) == nil
}
func (r *Reader) readFromCommand(shell *string, command string) bool {
r.mutex.Lock()
r.killed = false
r.command = &command
if shell != nil {
r.exec = util.ExecCommandWith(*shell, command, true)
} else {
r.exec = util.ExecCommand(command, true)
}
out, err := r.exec.StdoutPipe()
if err != nil {
r.mutex.Unlock()
return false
}
err = r.exec.Start()
r.mutex.Unlock()
if err != nil {
return false
}
r.feed(out)
return r.exec.Wait() == nil
}

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package fzf
import (
"testing"
"time"
"github.com/junegunn/fzf/src/util"
)
func TestReadFromCommand(t *testing.T) {
strs := []string{}
eb := util.NewEventBox()
reader := NewReader(
func(s []byte) bool { strs = append(strs, string(s)); return true },
eb, false, true)
reader.startEventPoller()
// Check EventBox
if eb.Peek(EvtReadNew) {
t.Error("EvtReadNew should not be set yet")
}
// Normal command
reader.fin(reader.readFromCommand(nil, `echo abc&&echo def`))
if len(strs) != 2 || strs[0] != "abc" || strs[1] != "def" {
t.Errorf("%s", strs)
}
// Check EventBox again
eb.WaitFor(EvtReadFin)
// Wait should return immediately
eb.Wait(func(events *util.Events) {
events.Clear()
})
// EventBox is cleared
if eb.Peek(EvtReadNew) {
t.Error("EvtReadNew should not be set yet")
}
// Make sure that event poller is finished
time.Sleep(readerPollIntervalMax)
// Restart event poller
reader.startEventPoller()
// Failing command
reader.fin(reader.readFromCommand(nil, `no-such-command`))
strs = []string{}
if len(strs) > 0 {
t.Errorf("%s", strs)
}
// Check EventBox again
if eb.Peek(EvtReadNew) {
t.Error("Command failed. EvtReadNew should not be set")
}
if !eb.Peek(EvtReadFin) {
t.Error("EvtReadFin should be set")
}
}

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package fzf
import (
"math"
"sort"
"unicode"
"github.com/junegunn/fzf/src/tui"
"github.com/junegunn/fzf/src/util"
)
// Offset holds two 32-bit integers denoting the offsets of a matched substring
type Offset [2]int32
type colorOffset struct {
offset [2]int32
color tui.ColorPair
}
type Result struct {
item *Item
points [4]uint16
}
func buildResult(item *Item, offsets []Offset, score int) Result {
if len(offsets) > 1 {
sort.Sort(ByOrder(offsets))
}
result := Result{item: item}
numChars := item.text.Length()
minBegin := math.MaxUint16
minEnd := math.MaxUint16
maxEnd := 0
validOffsetFound := false
for _, offset := range offsets {
b, e := int(offset[0]), int(offset[1])
if b < e {
minBegin = util.Min(b, minBegin)
minEnd = util.Min(e, minEnd)
maxEnd = util.Max(e, maxEnd)
validOffsetFound = true
}
}
for idx, criterion := range sortCriteria {
val := uint16(math.MaxUint16)
switch criterion {
case byScore:
// Higher is better
val = math.MaxUint16 - util.AsUint16(score)
case byLength:
val = item.TrimLength()
case byBegin, byEnd:
if validOffsetFound {
whitePrefixLen := 0
for idx := 0; idx < numChars; idx++ {
r := item.text.Get(idx)
whitePrefixLen = idx
if idx == minBegin || !unicode.IsSpace(r) {
break
}
}
if criterion == byBegin {
val = util.AsUint16(minEnd - whitePrefixLen)
} else {
val = util.AsUint16(math.MaxUint16 - math.MaxUint16*(maxEnd-whitePrefixLen)/int(item.TrimLength()))
}
}
}
result.points[3-idx] = val
}
return result
}
// Sort criteria to use. Never changes once fzf is started.
var sortCriteria []criterion
// Index returns ordinal index of the Item
func (result *Result) Index() int32 {
return result.item.Index()
}
func minRank() Result {
return Result{item: &minItem, points: [4]uint16{math.MaxUint16, 0, 0, 0}}
}
func (result *Result) colorOffsets(matchOffsets []Offset, theme *tui.ColorTheme, colBase tui.ColorPair, colMatch tui.ColorPair, current bool) []colorOffset {
itemColors := result.item.Colors()
// No ANSI codes
if len(itemColors) == 0 {
var offsets []colorOffset
for _, off := range matchOffsets {
offsets = append(offsets, colorOffset{offset: [2]int32{off[0], off[1]}, color: colMatch})
}
return offsets
}
// Find max column
var maxCol int32
for _, off := range matchOffsets {
if off[1] > maxCol {
maxCol = off[1]
}
}
for _, ansi := range itemColors {
if ansi.offset[1] > maxCol {
maxCol = ansi.offset[1]
}
}
cols := make([]int, maxCol)
for colorIndex, ansi := range itemColors {
for i := ansi.offset[0]; i < ansi.offset[1]; i++ {
cols[i] = colorIndex + 1 // 1-based index of itemColors
}
}
for _, off := range matchOffsets {
for i := off[0]; i < off[1]; i++ {
// Negative of 1-based index of itemColors
// - The extra -1 means highlighted
cols[i] = cols[i]*-1 - 1
}
}
// sort.Sort(ByOrder(offsets))
// Merge offsets
// ------------ ---- -- ----
// ++++++++ ++++++++++
// --++++++++-- --++++++++++---
curr := 0
start := 0
ansiToColorPair := func(ansi ansiOffset, base tui.ColorPair) tui.ColorPair {
fg := ansi.color.fg
bg := ansi.color.bg
if fg == -1 {
if current {
fg = theme.Current.Color
} else {
fg = theme.Fg.Color
}
}
if bg == -1 {
if current {
bg = theme.DarkBg.Color
} else {
bg = theme.Bg.Color
}
}
return tui.NewColorPair(fg, bg, ansi.color.attr).MergeAttr(base)
}
var colors []colorOffset
add := func(idx int) {
if curr != 0 && idx > start {
if curr < 0 {
color := colMatch
if curr < -1 && theme.Colored {
origColor := ansiToColorPair(itemColors[-curr-2], colMatch)
// hl or hl+ only sets the foreground color, so colMatch is the
// combination of either [hl and bg] or [hl+ and bg+].
//
// If the original text already has background color, and the
// foreground color of colMatch is -1, we shouldn't only apply the
// background color of colMatch.
// e.g. echo -e "\x1b[32;7mfoo\x1b[mbar" | fzf --ansi --color bg+:1,hl+:-1:underline
// echo -e "\x1b[42mfoo\x1b[mbar" | fzf --ansi --color bg+:1,hl+:-1:underline
if color.Fg().IsDefault() && origColor.HasBg() {
color = origColor
} else {
color = origColor.MergeNonDefault(color)
}
}
colors = append(colors, colorOffset{
offset: [2]int32{int32(start), int32(idx)}, color: color})
} else {
ansi := itemColors[curr-1]
colors = append(colors, colorOffset{
offset: [2]int32{int32(start), int32(idx)},
color: ansiToColorPair(ansi, colBase)})
}
}
}
for idx, col := range cols {
if col != curr {
add(idx)
start = idx
curr = col
}
}
add(int(maxCol))
return colors
}
// ByOrder is for sorting substring offsets
type ByOrder []Offset
func (a ByOrder) Len() int {
return len(a)
}
func (a ByOrder) Swap(i, j int) {
a[i], a[j] = a[j], a[i]
}
func (a ByOrder) Less(i, j int) bool {
ioff := a[i]
joff := a[j]
return (ioff[0] < joff[0]) || (ioff[0] == joff[0]) && (ioff[1] <= joff[1])
}
// ByRelevance is for sorting Items
type ByRelevance []Result
func (a ByRelevance) Len() int {
return len(a)
}
func (a ByRelevance) Swap(i, j int) {
a[i], a[j] = a[j], a[i]
}
func (a ByRelevance) Less(i, j int) bool {
return compareRanks(a[i], a[j], false)
}
// ByRelevanceTac is for sorting Items
type ByRelevanceTac []Result
func (a ByRelevanceTac) Len() int {
return len(a)
}
func (a ByRelevanceTac) Swap(i, j int) {
a[i], a[j] = a[j], a[i]
}
func (a ByRelevanceTac) Less(i, j int) bool {
return compareRanks(a[i], a[j], true)
}

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// +build !386,!amd64
package fzf
func compareRanks(irank Result, jrank Result, tac bool) bool {
for idx := 3; idx >= 0; idx-- {
left := irank.points[idx]
right := jrank.points[idx]
if left < right {
return true
} else if left > right {
return false
}
}
return (irank.item.Index() <= jrank.item.Index()) != tac
}

159
fzf/fzf/src/result_test.go Normal file
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// +build !tcell
package fzf
import (
"math"
"sort"
"testing"
"github.com/junegunn/fzf/src/tui"
"github.com/junegunn/fzf/src/util"
)
func withIndex(i *Item, index int) *Item {
(*i).text.Index = int32(index)
return i
}
func TestOffsetSort(t *testing.T) {
offsets := []Offset{
{3, 5}, {2, 7},
{1, 3}, {2, 9}}
sort.Sort(ByOrder(offsets))
if offsets[0][0] != 1 || offsets[0][1] != 3 ||
offsets[1][0] != 2 || offsets[1][1] != 7 ||
offsets[2][0] != 2 || offsets[2][1] != 9 ||
offsets[3][0] != 3 || offsets[3][1] != 5 {
t.Error("Invalid order:", offsets)
}
}
func TestRankComparison(t *testing.T) {
rank := func(vals ...uint16) Result {
return Result{
points: [4]uint16{vals[0], vals[1], vals[2], vals[3]},
item: &Item{text: util.Chars{Index: int32(vals[4])}}}
}
if compareRanks(rank(3, 0, 0, 0, 5), rank(2, 0, 0, 0, 7), false) ||
!compareRanks(rank(3, 0, 0, 0, 5), rank(3, 0, 0, 0, 6), false) ||
!compareRanks(rank(1, 2, 0, 0, 3), rank(1, 3, 0, 0, 2), false) ||
!compareRanks(rank(0, 0, 0, 0, 0), rank(0, 0, 0, 0, 0), false) {
t.Error("Invalid order")
}
if compareRanks(rank(3, 0, 0, 0, 5), rank(2, 0, 0, 0, 7), true) ||
!compareRanks(rank(3, 0, 0, 0, 5), rank(3, 0, 0, 0, 6), false) ||
!compareRanks(rank(1, 2, 0, 0, 3), rank(1, 3, 0, 0, 2), true) ||
!compareRanks(rank(0, 0, 0, 0, 0), rank(0, 0, 0, 0, 0), false) {
t.Error("Invalid order (tac)")
}
}
// Match length, string length, index
func TestResultRank(t *testing.T) {
// FIXME global
sortCriteria = []criterion{byScore, byLength}
strs := [][]rune{[]rune("foo"), []rune("foobar"), []rune("bar"), []rune("baz")}
item1 := buildResult(
withIndex(&Item{text: util.RunesToChars(strs[0])}, 1), []Offset{}, 2)
if item1.points[3] != math.MaxUint16-2 || // Bonus
item1.points[2] != 3 || // Length
item1.points[1] != 0 || // Unused
item1.points[0] != 0 || // Unused
item1.item.Index() != 1 {
t.Error(item1)
}
// Only differ in index
item2 := buildResult(&Item{text: util.RunesToChars(strs[0])}, []Offset{}, 2)
items := []Result{item1, item2}
sort.Sort(ByRelevance(items))
if items[0] != item2 || items[1] != item1 {
t.Error(items)
}
items = []Result{item2, item1, item1, item2}
sort.Sort(ByRelevance(items))
if items[0] != item2 || items[1] != item2 ||
items[2] != item1 || items[3] != item1 {
t.Error(items, item1, item1.item.Index(), item2, item2.item.Index())
}
// Sort by relevance
item3 := buildResult(
withIndex(&Item{}, 2), []Offset{{1, 3}, {5, 7}}, 3)
item4 := buildResult(
withIndex(&Item{}, 2), []Offset{{1, 2}, {6, 7}}, 4)
item5 := buildResult(
withIndex(&Item{}, 2), []Offset{{1, 3}, {5, 7}}, 5)
item6 := buildResult(
withIndex(&Item{}, 2), []Offset{{1, 2}, {6, 7}}, 6)
items = []Result{item1, item2, item3, item4, item5, item6}
sort.Sort(ByRelevance(items))
if !(items[0] == item6 && items[1] == item5 &&
items[2] == item4 && items[3] == item3 &&
items[4] == item2 && items[5] == item1) {
t.Error(items, item1, item2, item3, item4, item5, item6)
}
}
func TestColorOffset(t *testing.T) {
// ------------ 20 ---- -- ----
// ++++++++ ++++++++++
// --++++++++-- --++++++++++---
offsets := []Offset{{5, 15}, {25, 35}}
item := Result{
item: &Item{
colors: &[]ansiOffset{
{[2]int32{0, 20}, ansiState{1, 5, 0, -1}},
{[2]int32{22, 27}, ansiState{2, 6, tui.Bold, -1}},
{[2]int32{30, 32}, ansiState{3, 7, 0, -1}},
{[2]int32{33, 40}, ansiState{4, 8, tui.Bold, -1}}}}}
colBase := tui.NewColorPair(89, 189, tui.AttrUndefined)
colMatch := tui.NewColorPair(99, 199, tui.AttrUndefined)
colors := item.colorOffsets(offsets, tui.Dark256, colBase, colMatch, true)
assert := func(idx int, b int32, e int32, c tui.ColorPair) {
o := colors[idx]
if o.offset[0] != b || o.offset[1] != e || o.color != c {
t.Error(o, b, e, c)
}
}
// [{[0 5] {1 5 0}} {[5 15] {99 199 0}} {[15 20] {1 5 0}}
// {[22 25] {2 6 1}} {[25 27] {99 199 1}} {[27 30] {99 199 0}}
// {[30 32] {99 199 0}} {[32 33] {99 199 0}} {[33 35] {99 199 1}}
// {[35 40] {4 8 1}}]
assert(0, 0, 5, tui.NewColorPair(1, 5, tui.AttrUndefined))
assert(1, 5, 15, colMatch)
assert(2, 15, 20, tui.NewColorPair(1, 5, tui.AttrUndefined))
assert(3, 22, 25, tui.NewColorPair(2, 6, tui.Bold))
assert(4, 25, 27, colMatch.WithAttr(tui.Bold))
assert(5, 27, 30, colMatch)
assert(6, 30, 32, colMatch)
assert(7, 32, 33, colMatch) // TODO: Should we merge consecutive blocks?
assert(8, 33, 35, colMatch.WithAttr(tui.Bold))
assert(9, 35, 40, tui.NewColorPair(4, 8, tui.Bold))
colRegular := tui.NewColorPair(-1, -1, tui.AttrUndefined)
colUnderline := tui.NewColorPair(-1, -1, tui.Underline)
colors = item.colorOffsets(offsets, tui.Dark256, colRegular, colUnderline, true)
// [{[0 5] {1 5 0}} {[5 15] {1 5 8}} {[15 20] {1 5 0}}
// {[22 25] {2 6 1}} {[25 27] {2 6 9}} {[27 30] {-1 -1 8}}
// {[30 32] {3 7 8}} {[32 33] {-1 -1 8}} {[33 35] {4 8 9}}
// {[35 40] {4 8 1}}]
assert(0, 0, 5, tui.NewColorPair(1, 5, tui.AttrUndefined))
assert(1, 5, 15, tui.NewColorPair(1, 5, tui.Underline))
assert(2, 15, 20, tui.NewColorPair(1, 5, tui.AttrUndefined))
assert(3, 22, 25, tui.NewColorPair(2, 6, tui.Bold))
assert(4, 25, 27, tui.NewColorPair(2, 6, tui.Bold|tui.Underline))
assert(5, 27, 30, colUnderline)
assert(6, 30, 32, tui.NewColorPair(3, 7, tui.Underline))
assert(7, 32, 33, colUnderline)
assert(8, 33, 35, tui.NewColorPair(4, 8, tui.Bold|tui.Underline))
assert(9, 35, 40, tui.NewColorPair(4, 8, tui.Bold))
}

16
fzf/fzf/src/result_x86.go Normal file
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// +build 386 amd64
package fzf
import "unsafe"
func compareRanks(irank Result, jrank Result, tac bool) bool {
left := *(*uint64)(unsafe.Pointer(&irank.points[0]))
right := *(*uint64)(unsafe.Pointer(&jrank.points[0]))
if left < right {
return true
} else if left > right {
return false
}
return (irank.item.Index() <= jrank.item.Index()) != tac
}

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638
fzf/fzf/src/terminal_test.go Normal file
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package fzf
import (
"bytes"
"io"
"os"
"regexp"
"strings"
"testing"
"text/template"
"github.com/junegunn/fzf/src/util"
)
func TestReplacePlaceholder(t *testing.T) {
item1 := newItem(" foo'bar \x1b[31mbaz\x1b[m")
items1 := []*Item{item1, item1}
items2 := []*Item{
newItem("foo'bar \x1b[31mbaz\x1b[m"),
newItem("foo'bar \x1b[31mbaz\x1b[m"),
newItem("FOO'BAR \x1b[31mBAZ\x1b[m")}
delim := "'"
var regex *regexp.Regexp
var result string
check := func(expected string) {
if result != expected {
t.Errorf("expected: %s, actual: %s", expected, result)
}
}
// helper function that converts template format into string and carries out the check()
checkFormat := func(format string) {
type quotes struct{ O, I, S string } // outer, inner quotes, print separator
unixStyle := quotes{`'`, `'\''`, "\n"}
windowsStyle := quotes{`^"`, `'`, "\n"}
var effectiveStyle quotes
if util.IsWindows() {
effectiveStyle = windowsStyle
} else {
effectiveStyle = unixStyle
}
expected := templateToString(format, effectiveStyle)
check(expected)
}
printsep := "\n"
/*
Test multiple placeholders and the function parameters.
*/
// {}, preserve ansi
result = replacePlaceholder("echo {}", false, Delimiter{}, printsep, false, "query", items1)
checkFormat("echo {{.O}} foo{{.I}}bar \x1b[31mbaz\x1b[m{{.O}}")
// {}, strip ansi
result = replacePlaceholder("echo {}", true, Delimiter{}, printsep, false, "query", items1)
checkFormat("echo {{.O}} foo{{.I}}bar baz{{.O}}")
// {}, with multiple items
result = replacePlaceholder("echo {}", true, Delimiter{}, printsep, false, "query", items2)
checkFormat("echo {{.O}}foo{{.I}}bar baz{{.O}}")
// {..}, strip leading whitespaces, preserve ansi
result = replacePlaceholder("echo {..}", false, Delimiter{}, printsep, false, "query", items1)
checkFormat("echo {{.O}}foo{{.I}}bar \x1b[31mbaz\x1b[m{{.O}}")
// {..}, strip leading whitespaces, strip ansi
result = replacePlaceholder("echo {..}", true, Delimiter{}, printsep, false, "query", items1)
checkFormat("echo {{.O}}foo{{.I}}bar baz{{.O}}")
// {q}
result = replacePlaceholder("echo {} {q}", true, Delimiter{}, printsep, false, "query", items1)
checkFormat("echo {{.O}} foo{{.I}}bar baz{{.O}} {{.O}}query{{.O}}")
// {q}, multiple items
result = replacePlaceholder("echo {+}{q}{+}", true, Delimiter{}, printsep, false, "query 'string'", items2)
checkFormat("echo {{.O}}foo{{.I}}bar baz{{.O}} {{.O}}FOO{{.I}}BAR BAZ{{.O}}{{.O}}query {{.I}}string{{.I}}{{.O}}{{.O}}foo{{.I}}bar baz{{.O}} {{.O}}FOO{{.I}}BAR BAZ{{.O}}")
result = replacePlaceholder("echo {}{q}{}", true, Delimiter{}, printsep, false, "query 'string'", items2)
checkFormat("echo {{.O}}foo{{.I}}bar baz{{.O}}{{.O}}query {{.I}}string{{.I}}{{.O}}{{.O}}foo{{.I}}bar baz{{.O}}")
result = replacePlaceholder("echo {1}/{2}/{2,1}/{-1}/{-2}/{}/{..}/{n.t}/\\{}/\\{1}/\\{q}/{3}", true, Delimiter{}, printsep, false, "query", items1)
checkFormat("echo {{.O}}foo{{.I}}bar{{.O}}/{{.O}}baz{{.O}}/{{.O}}bazfoo{{.I}}bar{{.O}}/{{.O}}baz{{.O}}/{{.O}}foo{{.I}}bar{{.O}}/{{.O}} foo{{.I}}bar baz{{.O}}/{{.O}}foo{{.I}}bar baz{{.O}}/{n.t}/{}/{1}/{q}/{{.O}}{{.O}}")
result = replacePlaceholder("echo {1}/{2}/{-1}/{-2}/{..}/{n.t}/\\{}/\\{1}/\\{q}/{3}", true, Delimiter{}, printsep, false, "query", items2)
checkFormat("echo {{.O}}foo{{.I}}bar{{.O}}/{{.O}}baz{{.O}}/{{.O}}baz{{.O}}/{{.O}}foo{{.I}}bar{{.O}}/{{.O}}foo{{.I}}bar baz{{.O}}/{n.t}/{}/{1}/{q}/{{.O}}{{.O}}")
result = replacePlaceholder("echo {+1}/{+2}/{+-1}/{+-2}/{+..}/{n.t}/\\{}/\\{1}/\\{q}/{+3}", true, Delimiter{}, printsep, false, "query", items2)
checkFormat("echo {{.O}}foo{{.I}}bar{{.O}} {{.O}}FOO{{.I}}BAR{{.O}}/{{.O}}baz{{.O}} {{.O}}BAZ{{.O}}/{{.O}}baz{{.O}} {{.O}}BAZ{{.O}}/{{.O}}foo{{.I}}bar{{.O}} {{.O}}FOO{{.I}}BAR{{.O}}/{{.O}}foo{{.I}}bar baz{{.O}} {{.O}}FOO{{.I}}BAR BAZ{{.O}}/{n.t}/{}/{1}/{q}/{{.O}}{{.O}} {{.O}}{{.O}}")
// forcePlus
result = replacePlaceholder("echo {1}/{2}/{-1}/{-2}/{..}/{n.t}/\\{}/\\{1}/\\{q}/{3}", true, Delimiter{}, printsep, true, "query", items2)
checkFormat("echo {{.O}}foo{{.I}}bar{{.O}} {{.O}}FOO{{.I}}BAR{{.O}}/{{.O}}baz{{.O}} {{.O}}BAZ{{.O}}/{{.O}}baz{{.O}} {{.O}}BAZ{{.O}}/{{.O}}foo{{.I}}bar{{.O}} {{.O}}FOO{{.I}}BAR{{.O}}/{{.O}}foo{{.I}}bar baz{{.O}} {{.O}}FOO{{.I}}BAR BAZ{{.O}}/{n.t}/{}/{1}/{q}/{{.O}}{{.O}} {{.O}}{{.O}}")
// Whitespace preserving flag with "'" delimiter
result = replacePlaceholder("echo {s1}", true, Delimiter{str: &delim}, printsep, false, "query", items1)
checkFormat("echo {{.O}} foo{{.O}}")
result = replacePlaceholder("echo {s2}", true, Delimiter{str: &delim}, printsep, false, "query", items1)
checkFormat("echo {{.O}}bar baz{{.O}}")
result = replacePlaceholder("echo {s}", true, Delimiter{str: &delim}, printsep, false, "query", items1)
checkFormat("echo {{.O}} foo{{.I}}bar baz{{.O}}")
result = replacePlaceholder("echo {s..}", true, Delimiter{str: &delim}, printsep, false, "query", items1)
checkFormat("echo {{.O}} foo{{.I}}bar baz{{.O}}")
// Whitespace preserving flag with regex delimiter
regex = regexp.MustCompile(`\w+`)
result = replacePlaceholder("echo {s1}", true, Delimiter{regex: regex}, printsep, false, "query", items1)
checkFormat("echo {{.O}} {{.O}}")
result = replacePlaceholder("echo {s2}", true, Delimiter{regex: regex}, printsep, false, "query", items1)
checkFormat("echo {{.O}}{{.I}}{{.O}}")
result = replacePlaceholder("echo {s3}", true, Delimiter{regex: regex}, printsep, false, "query", items1)
checkFormat("echo {{.O}} {{.O}}")
// No match
result = replacePlaceholder("echo {}/{+}", true, Delimiter{}, printsep, false, "query", []*Item{nil, nil})
check("echo /")
// No match, but with selections
result = replacePlaceholder("echo {}/{+}", true, Delimiter{}, printsep, false, "query", []*Item{nil, item1})
checkFormat("echo /{{.O}} foo{{.I}}bar baz{{.O}}")
// String delimiter
result = replacePlaceholder("echo {}/{1}/{2}", true, Delimiter{str: &delim}, printsep, false, "query", items1)
checkFormat("echo {{.O}} foo{{.I}}bar baz{{.O}}/{{.O}}foo{{.O}}/{{.O}}bar baz{{.O}}")
// Regex delimiter
regex = regexp.MustCompile("[oa]+")
// foo'bar baz
result = replacePlaceholder("echo {}/{1}/{3}/{2..3}", true, Delimiter{regex: regex}, printsep, false, "query", items1)
checkFormat("echo {{.O}} foo{{.I}}bar baz{{.O}}/{{.O}}f{{.O}}/{{.O}}r b{{.O}}/{{.O}}{{.I}}bar b{{.O}}")
/*
Test single placeholders, but focus on the placeholders' parameters (e.g. flags).
see: TestParsePlaceholder
*/
items3 := []*Item{
// single line
newItem("1a 1b 1c 1d 1e 1f"),
// multi line
newItem("1a 1b 1c 1d 1e 1f"),
newItem("2a 2b 2c 2d 2e 2f"),
newItem("3a 3b 3c 3d 3e 3f"),
newItem("4a 4b 4c 4d 4e 4f"),
newItem("5a 5b 5c 5d 5e 5f"),
newItem("6a 6b 6c 6d 6e 6f"),
newItem("7a 7b 7c 7d 7e 7f"),
}
stripAnsi := false
printsep = "\n"
forcePlus := false
query := "sample query"
templateToOutput := make(map[string]string)
templateToFile := make(map[string]string) // same as above, but the file contents will be matched
// I. item type placeholder
templateToOutput[`{}`] = `{{.O}}1a 1b 1c 1d 1e 1f{{.O}}`
templateToOutput[`{+}`] = `{{.O}}1a 1b 1c 1d 1e 1f{{.O}} {{.O}}2a 2b 2c 2d 2e 2f{{.O}} {{.O}}3a 3b 3c 3d 3e 3f{{.O}} {{.O}}4a 4b 4c 4d 4e 4f{{.O}} {{.O}}5a 5b 5c 5d 5e 5f{{.O}} {{.O}}6a 6b 6c 6d 6e 6f{{.O}} {{.O}}7a 7b 7c 7d 7e 7f{{.O}}`
templateToOutput[`{n}`] = `0`
templateToOutput[`{+n}`] = `0 0 0 0 0 0 0`
templateToFile[`{f}`] = `1a 1b 1c 1d 1e 1f{{.S}}`
templateToFile[`{+f}`] = `1a 1b 1c 1d 1e 1f{{.S}}2a 2b 2c 2d 2e 2f{{.S}}3a 3b 3c 3d 3e 3f{{.S}}4a 4b 4c 4d 4e 4f{{.S}}5a 5b 5c 5d 5e 5f{{.S}}6a 6b 6c 6d 6e 6f{{.S}}7a 7b 7c 7d 7e 7f{{.S}}`
templateToFile[`{nf}`] = `0{{.S}}`
templateToFile[`{+nf}`] = `0{{.S}}0{{.S}}0{{.S}}0{{.S}}0{{.S}}0{{.S}}0{{.S}}`
// II. token type placeholders
templateToOutput[`{..}`] = templateToOutput[`{}`]
templateToOutput[`{1..}`] = templateToOutput[`{}`]
templateToOutput[`{..2}`] = `{{.O}}1a 1b{{.O}}`
templateToOutput[`{1..2}`] = templateToOutput[`{..2}`]
templateToOutput[`{-2..-1}`] = `{{.O}}1e 1f{{.O}}`
// shorthand for x..x range
templateToOutput[`{1}`] = `{{.O}}1a{{.O}}`
templateToOutput[`{1..1}`] = templateToOutput[`{1}`]
templateToOutput[`{-6}`] = templateToOutput[`{1}`]
// multiple ranges
templateToOutput[`{1,2}`] = templateToOutput[`{1..2}`]
templateToOutput[`{1,2,4}`] = `{{.O}}1a 1b 1d{{.O}}`
templateToOutput[`{1,2..4}`] = `{{.O}}1a 1b 1c 1d{{.O}}`
templateToOutput[`{1..2,-4..-3}`] = `{{.O}}1a 1b 1c 1d{{.O}}`
// flags
templateToOutput[`{+1}`] = `{{.O}}1a{{.O}} {{.O}}2a{{.O}} {{.O}}3a{{.O}} {{.O}}4a{{.O}} {{.O}}5a{{.O}} {{.O}}6a{{.O}} {{.O}}7a{{.O}}`
templateToOutput[`{+-1}`] = `{{.O}}1f{{.O}} {{.O}}2f{{.O}} {{.O}}3f{{.O}} {{.O}}4f{{.O}} {{.O}}5f{{.O}} {{.O}}6f{{.O}} {{.O}}7f{{.O}}`
templateToOutput[`{s1}`] = `{{.O}}1a {{.O}}`
templateToFile[`{f1}`] = `1a{{.S}}`
templateToOutput[`{+s1..2}`] = `{{.O}}1a 1b {{.O}} {{.O}}2a 2b {{.O}} {{.O}}3a 3b {{.O}} {{.O}}4a 4b {{.O}} {{.O}}5a 5b {{.O}} {{.O}}6a 6b {{.O}} {{.O}}7a 7b {{.O}}`
templateToFile[`{+sf1..2}`] = `1a 1b {{.S}}2a 2b {{.S}}3a 3b {{.S}}4a 4b {{.S}}5a 5b {{.S}}6a 6b {{.S}}7a 7b {{.S}}`
// III. query type placeholder
// query flag is not removed after parsing, so it gets doubled
// while the double q is invalid, it is useful here for testing purposes
templateToOutput[`{q}`] = "{{.O}}" + query + "{{.O}}"
// IV. escaping placeholder
templateToOutput[`\{}`] = `{}`
templateToOutput[`\{++}`] = `{++}`
templateToOutput[`{++}`] = templateToOutput[`{+}`]
for giveTemplate, wantOutput := range templateToOutput {
result = replacePlaceholder(giveTemplate, stripAnsi, Delimiter{}, printsep, forcePlus, query, items3)
checkFormat(wantOutput)
}
for giveTemplate, wantOutput := range templateToFile {
path := replacePlaceholder(giveTemplate, stripAnsi, Delimiter{}, printsep, forcePlus, query, items3)
data, err := readFile(path)
if err != nil {
t.Errorf("Cannot read the content of the temp file %s.", path)
}
result = string(data)
checkFormat(wantOutput)
}
}
func TestQuoteEntry(t *testing.T) {
type quotes struct{ E, O, SQ, DQ, BS string } // standalone escape, outer, single and double quotes, backslash
unixStyle := quotes{``, `'`, `'\''`, `"`, `\`}
windowsStyle := quotes{`^`, `^"`, `'`, `\^"`, `\\`}
var effectiveStyle quotes
if util.IsWindows() {
effectiveStyle = windowsStyle
} else {
effectiveStyle = unixStyle
}
tests := map[string]string{
`'`: `{{.O}}{{.SQ}}{{.O}}`,
`"`: `{{.O}}{{.DQ}}{{.O}}`,
`\`: `{{.O}}{{.BS}}{{.O}}`,
`\"`: `{{.O}}{{.BS}}{{.DQ}}{{.O}}`,
`"\\\"`: `{{.O}}{{.DQ}}{{.BS}}{{.BS}}{{.BS}}{{.DQ}}{{.O}}`,
`$`: `{{.O}}${{.O}}`,
`$HOME`: `{{.O}}$HOME{{.O}}`,
`'$HOME'`: `{{.O}}{{.SQ}}$HOME{{.SQ}}{{.O}}`,
`&`: `{{.O}}{{.E}}&{{.O}}`,
`|`: `{{.O}}{{.E}}|{{.O}}`,
`<`: `{{.O}}{{.E}}<{{.O}}`,
`>`: `{{.O}}{{.E}}>{{.O}}`,
`(`: `{{.O}}{{.E}}({{.O}}`,
`)`: `{{.O}}{{.E}}){{.O}}`,
`@`: `{{.O}}{{.E}}@{{.O}}`,
`^`: `{{.O}}{{.E}}^{{.O}}`,
`%`: `{{.O}}{{.E}}%{{.O}}`,
`!`: `{{.O}}{{.E}}!{{.O}}`,
`%USERPROFILE%`: `{{.O}}{{.E}}%USERPROFILE{{.E}}%{{.O}}`,
`C:\Program Files (x86)\`: `{{.O}}C:{{.BS}}Program Files {{.E}}(x86{{.E}}){{.BS}}{{.O}}`,
`"C:\Program Files"`: `{{.O}}{{.DQ}}C:{{.BS}}Program Files{{.DQ}}{{.O}}`,
}
for input, expected := range tests {
escaped := quoteEntry(input)
expected = templateToString(expected, effectiveStyle)
if escaped != expected {
t.Errorf("Input: %s, expected: %s, actual %s", input, expected, escaped)
}
}
}
// purpose of this test is to demonstrate some shortcomings of fzf's templating system on Unix
func TestUnixCommands(t *testing.T) {
if util.IsWindows() {
t.SkipNow()
}
tests := []testCase{
// reference: give{template, query, items}, want{output OR match}
// 1) working examples
// paths that does not have to evaluated will work fine, when quoted
{give{`grep foo {}`, ``, newItems(`test`)}, want{output: `grep foo 'test'`}},
{give{`grep foo {}`, ``, newItems(`/home/user/test`)}, want{output: `grep foo '/home/user/test'`}},
{give{`grep foo {}`, ``, newItems(`./test`)}, want{output: `grep foo './test'`}},
// only placeholders are escaped as data, this will lookup tilde character in a test file in your home directory
// quoting the tilde is required (to be treated as string)
{give{`grep {} ~/test`, ``, newItems(`~`)}, want{output: `grep '~' ~/test`}},
// 2) problematic examples
// (not necessarily unexpected)
// paths that need to expand some part of it won't work (special characters and variables)
{give{`cat {}`, ``, newItems(`~/test`)}, want{output: `cat '~/test'`}},
{give{`cat {}`, ``, newItems(`$HOME/test`)}, want{output: `cat '$HOME/test'`}},
}
testCommands(t, tests)
}
// purpose of this test is to demonstrate some shortcomings of fzf's templating system on Windows
func TestWindowsCommands(t *testing.T) {
if !util.IsWindows() {
t.SkipNow()
}
tests := []testCase{
// reference: give{template, query, items}, want{output OR match}
// 1) working examples
// example of redundantly escaped backslash in the output, besides looking bit ugly, it won't cause any issue
{give{`type {}`, ``, newItems(`C:\test.txt`)}, want{output: `type ^"C:\\test.txt^"`}},
{give{`rg -- "package" {}`, ``, newItems(`.\test.go`)}, want{output: `rg -- "package" ^".\\test.go^"`}},
// example of mandatorily escaped backslash in the output, otherwise `rg -- "C:\test.txt"` is matching for tabulator
{give{`rg -- {}`, ``, newItems(`C:\test.txt`)}, want{output: `rg -- ^"C:\\test.txt^"`}},
// example of mandatorily escaped double quote in the output, otherwise `rg -- ""C:\\test.txt""` is not matching for the double quotes around the path
{give{`rg -- {}`, ``, newItems(`"C:\test.txt"`)}, want{output: `rg -- ^"\^"C:\\test.txt\^"^"`}},
// 2) problematic examples
// (not necessarily unexpected)
// notepad++'s parser can't handle `-n"12"` generate by fzf, expects `-n12`
{give{`notepad++ -n{1} {2}`, ``, newItems(`12 C:\Work\Test Folder\File.txt`)}, want{output: `notepad++ -n^"12^" ^"C:\\Work\\Test Folder\\File.txt^"`}},
// cat is parsing `\"` as a part of the file path, double quote is illegal character for paths on Windows
// cat: "C:\\test.txt: Invalid argument
{give{`cat {}`, ``, newItems(`"C:\test.txt"`)}, want{output: `cat ^"\^"C:\\test.txt\^"^"`}},
// cat: "C:\\test.txt": Invalid argument
{give{`cmd /c {}`, ``, newItems(`cat "C:\test.txt"`)}, want{output: `cmd /c ^"cat \^"C:\\test.txt\^"^"`}},
// the "file" flag in the pattern won't create *.bat or *.cmd file so the command in the output tries to edit the file, instead of executing it
// the temp file contains: `cat "C:\test.txt"`
// TODO this should actually work
{give{`cmd /c {f}`, ``, newItems(`cat "C:\test.txt"`)}, want{match: `^cmd /c .*\fzf-preview-[0-9]{9}$`}},
}
testCommands(t, tests)
}
// purpose of this test is to demonstrate some shortcomings of fzf's templating system on Windows in Powershell
func TestPowershellCommands(t *testing.T) {
if !util.IsWindows() {
t.SkipNow()
}
tests := []testCase{
// reference: give{template, query, items}, want{output OR match}
/*
You can read each line in the following table as a pipeline that
consist of series of parsers that act upon your input (col. 1) and
each cell represents the output value.
For example:
- exec.Command("program.exe", `\''`)
- goes to win32 api which will process it transparently as it contains no special characters, see [CommandLineToArgvW][].
- powershell command will receive it as is, that is two arguments: a literal backslash and empty string in single quotes
- native command run via/from powershell will receive only one argument: a literal backslash. Because extra parsing rules apply, see [NativeCallsFromPowershell][].
- some¹ apps have internal parser, that requires one more level of escaping (yes, this is completely application-specific, but see terminal_test.go#TestWindowsCommands)
Character⁰ CommandLineToArgvW Powershell commands Native commands from Powershell Apps requiring escapes¹ | Being tested below
---------- ------------------ ------------------------------ ------------------------------- -------------------------- | ------------------
" empty string² missing argument error ... ... |
\" literal " unbalanced quote error ... ... |
'\"' literal '"' literal " empty string empty string (match all) | yes
'\\\"' literal '\"' literal \" literal " literal " |
---------- ------------------ ------------------------------ ------------------------------- -------------------------- | ------------------
\ transparent transparent transparent regex error |
'\' transparent literal \ literal \ regex error | yes
\\ transparent transparent transparent literal \ |
'\\' transparent literal \\ literal \\ literal \ |
---------- ------------------ ------------------------------ ------------------------------- -------------------------- | ------------------
' transparent unbalanced quote error ... ... |
\' transparent literal \ and unb. quote error ... ... |
\'' transparent literal \ and empty string literal \ regex error | no, but given as example above
''' transparent unbalanced quote error ... ... |
'''' transparent literal ' literal ' literal ' | yes
---------- ------------------ ------------------------------ ------------------------------- -------------------------- | ------------------
⁰: charatecter or characters 'x' as an argument to a program in go's call: exec.Command("program.exe", `x`)
¹: native commands like grep, git grep, ripgrep
²: interpreted as a grouping quote, affects argument parser and gets removed from the result
[CommandLineToArgvW]: https://docs.microsoft.com/en-gb/windows/win32/api/shellapi/nf-shellapi-commandlinetoargvw#remarks
[NativeCallsFromPowershell]: https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_parsing?view=powershell-7.1#passing-arguments-that-contain-quote-characters
*/
// 1) working examples
{give{`Get-Content {}`, ``, newItems(`C:\test.txt`)}, want{output: `Get-Content 'C:\test.txt'`}},
{give{`rg -- "package" {}`, ``, newItems(`.\test.go`)}, want{output: `rg -- "package" '.\test.go'`}},
// example of escaping single quotes
{give{`rg -- {}`, ``, newItems(`'foobar'`)}, want{output: `rg -- '''foobar'''`}},
// chaining powershells
{give{`powershell -NoProfile -Command {}`, ``, newItems(`cat "C:\test.txt"`)}, want{output: `powershell -NoProfile -Command 'cat \"C:\test.txt\"'`}},
// 2) problematic examples
// (not necessarily unexpected)
// looking for a path string will only work with escaped backslashes
{give{`rg -- {}`, ``, newItems(`C:\test.txt`)}, want{output: `rg -- 'C:\test.txt'`}},
// looking for a literal double quote will only work with triple escaped double quotes
{give{`rg -- {}`, ``, newItems(`"C:\test.txt"`)}, want{output: `rg -- '\"C:\test.txt\"'`}},
// Get-Content (i.e. cat alias) is parsing `"` as a part of the file path, returns an error:
// Get-Content : Cannot find drive. A drive with the name '"C:' does not exist.
{give{`cat {}`, ``, newItems(`"C:\test.txt"`)}, want{output: `cat '\"C:\test.txt\"'`}},
// the "file" flag in the pattern won't create *.ps1 file so the powershell will offload this "unknown" filetype
// to explorer, which will prompt user to pick editing program for the fzf-preview file
// the temp file contains: `cat "C:\test.txt"`
// TODO this should actually work
{give{`powershell -NoProfile -Command {f}`, ``, newItems(`cat "C:\test.txt"`)}, want{match: `^powershell -NoProfile -Command .*\fzf-preview-[0-9]{9}$`}},
}
// to force powershell-style escaping we temporarily set environment variable that fzf honors
shellBackup := os.Getenv("SHELL")
os.Setenv("SHELL", "powershell")
testCommands(t, tests)
os.Setenv("SHELL", shellBackup)
}
/*
Test typical valid placeholders and parsing of them.
Also since the parser assumes the input is matched with `placeholder` regex,
the regex is tested here as well.
*/
func TestParsePlaceholder(t *testing.T) {
// give, want pairs
templates := map[string]string{
// I. item type placeholder
`{}`: `{}`,
`{+}`: `{+}`,
`{n}`: `{n}`,
`{+n}`: `{+n}`,
`{f}`: `{f}`,
`{+nf}`: `{+nf}`,
// II. token type placeholders
`{..}`: `{..}`,
`{1..}`: `{1..}`,
`{..2}`: `{..2}`,
`{1..2}`: `{1..2}`,
`{-2..-1}`: `{-2..-1}`,
// shorthand for x..x range
`{1}`: `{1}`,
`{1..1}`: `{1..1}`,
`{-6}`: `{-6}`,
// multiple ranges
`{1,2}`: `{1,2}`,
`{1,2,4}`: `{1,2,4}`,
`{1,2..4}`: `{1,2..4}`,
`{1..2,-4..-3}`: `{1..2,-4..-3}`,
// flags
`{+1}`: `{+1}`,
`{+-1}`: `{+-1}`,
`{s1}`: `{s1}`,
`{f1}`: `{f1}`,
`{+s1..2}`: `{+s1..2}`,
`{+sf1..2}`: `{+sf1..2}`,
// III. query type placeholder
// query flag is not removed after parsing, so it gets doubled
// while the double q is invalid, it is useful here for testing purposes
`{q}`: `{qq}`,
// IV. escaping placeholder
`\{}`: `{}`,
`\{++}`: `{++}`,
`{++}`: `{+}`,
}
for giveTemplate, wantTemplate := range templates {
if !placeholder.MatchString(giveTemplate) {
t.Errorf(`given placeholder %s does not match placeholder regex, so attempt to parse it is unexpected`, giveTemplate)
continue
}
_, placeholderWithoutFlags, flags := parsePlaceholder(giveTemplate)
gotTemplate := placeholderWithoutFlags[:1] + flags.encodePlaceholder() + placeholderWithoutFlags[1:]
if gotTemplate != wantTemplate {
t.Errorf(`parsed placeholder "%s" into "%s", but want "%s"`, giveTemplate, gotTemplate, wantTemplate)
}
}
}
/* utilities section */
// Item represents one line in fzf UI. Usually it is relative path to files and folders.
func newItem(str string) *Item {
bytes := []byte(str)
trimmed, _, _ := extractColor(str, nil, nil)
return &Item{origText: &bytes, text: util.ToChars([]byte(trimmed))}
}
// Functions tested in this file require array of items (allItems). The array needs
// to consist of at least two nils. This is helper function.
func newItems(str ...string) []*Item {
result := make([]*Item, util.Max(len(str), 2))
for i, s := range str {
result[i] = newItem(s)
}
return result
}
// (for logging purposes)
func (item *Item) String() string {
return item.AsString(true)
}
// Helper function to parse, execute and convert "text/template" to string. Panics on error.
func templateToString(format string, data interface{}) string {
bb := &bytes.Buffer{}
err := template.Must(template.New("").Parse(format)).Execute(bb, data)
if err != nil {
panic(err)
}
return bb.String()
}
// ad hoc types for test cases
type give struct {
template string
query string
allItems []*Item
}
type want struct {
/*
Unix:
The `want.output` string is supposed to be formatted for evaluation by
`sh -c command` system call.
Windows:
The `want.output` string is supposed to be formatted for evaluation by
`cmd.exe /s /c "command"` system call. The `/s` switch enables so called old
behaviour, which is more favourable for nesting (possibly escaped)
special characters. This is the relevant section of `help cmd`:
...old behavior is to see if the first character is
a quote character and if so, strip the leading character and
remove the last quote character on the command line, preserving
any text after the last quote character.
*/
output string // literal output
match string // output is matched against this regex (when output is empty string)
}
type testCase struct {
give
want
}
func testCommands(t *testing.T, tests []testCase) {
// common test parameters
delim := "\t"
delimiter := Delimiter{str: &delim}
printsep := ""
stripAnsi := false
forcePlus := false
// evaluate the test cases
for idx, test := range tests {
gotOutput := replacePlaceholder(
test.give.template, stripAnsi, delimiter, printsep, forcePlus,
test.give.query,
test.give.allItems)
switch {
case test.want.output != "":
if gotOutput != test.want.output {
t.Errorf("tests[%v]:\ngave{\n\ttemplate: '%s',\n\tquery: '%s',\n\tallItems: %s}\nand got '%s',\nbut want '%s'",
idx,
test.give.template, test.give.query, test.give.allItems,
gotOutput, test.want.output)
}
case test.want.match != "":
wantMatch := strings.ReplaceAll(test.want.match, `\`, `\\`)
wantRegex := regexp.MustCompile(wantMatch)
if !wantRegex.MatchString(gotOutput) {
t.Errorf("tests[%v]:\ngave{\n\ttemplate: '%s',\n\tquery: '%s',\n\tallItems: %s}\nand got '%s',\nbut want '%s'",
idx,
test.give.template, test.give.query, test.give.allItems,
gotOutput, test.want.match)
}
default:
t.Errorf("tests[%v]: test case does not describe 'want' property", idx)
}
}
}
// naive encoder of placeholder flags
func (flags placeholderFlags) encodePlaceholder() string {
encoded := ""
if flags.plus {
encoded += "+"
}
if flags.preserveSpace {
encoded += "s"
}
if flags.number {
encoded += "n"
}
if flags.file {
encoded += "f"
}
if flags.query {
encoded += "q"
}
return encoded
}
// can be replaced with os.ReadFile() in go 1.16+
func readFile(path string) ([]byte, error) {
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
data := make([]byte, 0, 128)
for {
if len(data) >= cap(data) {
d := append(data[:cap(data)], 0)
data = d[:len(data)]
}
n, err := file.Read(data[len(data):cap(data)])
data = data[:len(data)+n]
if err != nil {
if err == io.EOF {
err = nil
}
return data, err
}
}
}

26
fzf/fzf/src/terminal_unix.go Normal file
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@ -0,0 +1,26 @@
// +build !windows
package fzf
import (
"os"
"os/signal"
"strings"
"syscall"
)
func notifyOnResize(resizeChan chan<- os.Signal) {
signal.Notify(resizeChan, syscall.SIGWINCH)
}
func notifyStop(p *os.Process) {
p.Signal(syscall.SIGSTOP)
}
func notifyOnCont(resizeChan chan<- os.Signal) {
signal.Notify(resizeChan, syscall.SIGCONT)
}
func quoteEntry(entry string) string {
return "'" + strings.Replace(entry, "'", "'\\''", -1) + "'"
}

45
fzf/fzf/src/terminal_windows.go Normal file
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@ -0,0 +1,45 @@
// +build windows
package fzf
import (
"os"
"regexp"
"strings"
)
func notifyOnResize(resizeChan chan<- os.Signal) {
// TODO
}
func notifyStop(p *os.Process) {
// NOOP
}
func notifyOnCont(resizeChan chan<- os.Signal) {
// NOOP
}
func quoteEntry(entry string) string {
shell := os.Getenv("SHELL")
if len(shell) == 0 {
shell = "cmd"
}
if strings.Contains(shell, "cmd") {
// backslash escaping is done here for applications
// (see ripgrep test case in terminal_test.go#TestWindowsCommands)
escaped := strings.Replace(entry, `\`, `\\`, -1)
escaped = `"` + strings.Replace(escaped, `"`, `\"`, -1) + `"`
// caret is the escape character for cmd shell
r, _ := regexp.Compile(`[&|<>()@^%!"]`)
return r.ReplaceAllStringFunc(escaped, func(match string) string {
return "^" + match
})
} else if strings.Contains(shell, "pwsh") || strings.Contains(shell, "powershell") {
escaped := strings.Replace(entry, `"`, `\"`, -1)
return "'" + strings.Replace(escaped, "'", "''", -1) + "'"
} else {
return "'" + strings.Replace(entry, "'", "'\\''", -1) + "'"
}
}

253
fzf/fzf/src/tokenizer.go Normal file
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@ -0,0 +1,253 @@
package fzf
import (
"bytes"
"fmt"
"regexp"
"strconv"
"strings"
"github.com/junegunn/fzf/src/util"
)
const rangeEllipsis = 0
// Range represents nth-expression
type Range struct {
begin int
end int
}
// Token contains the tokenized part of the strings and its prefix length
type Token struct {
text *util.Chars
prefixLength int32
}
// String returns the string representation of a Token.
func (t Token) String() string {
return fmt.Sprintf("Token{text: %s, prefixLength: %d}", t.text, t.prefixLength)
}
// Delimiter for tokenizing the input
type Delimiter struct {
regex *regexp.Regexp
str *string
}
// String returns the string representation of a Delimiter.
func (d Delimiter) String() string {
return fmt.Sprintf("Delimiter{regex: %v, str: &%q}", d.regex, *d.str)
}
func newRange(begin int, end int) Range {
if begin == 1 {
begin = rangeEllipsis
}
if end == -1 {
end = rangeEllipsis
}
return Range{begin, end}
}
// ParseRange parses nth-expression and returns the corresponding Range object
func ParseRange(str *string) (Range, bool) {
if (*str) == ".." {
return newRange(rangeEllipsis, rangeEllipsis), true
} else if strings.HasPrefix(*str, "..") {
end, err := strconv.Atoi((*str)[2:])
if err != nil || end == 0 {
return Range{}, false
}
return newRange(rangeEllipsis, end), true
} else if strings.HasSuffix(*str, "..") {
begin, err := strconv.Atoi((*str)[:len(*str)-2])
if err != nil || begin == 0 {
return Range{}, false
}
return newRange(begin, rangeEllipsis), true
} else if strings.Contains(*str, "..") {
ns := strings.Split(*str, "..")
if len(ns) != 2 {
return Range{}, false
}
begin, err1 := strconv.Atoi(ns[0])
end, err2 := strconv.Atoi(ns[1])
if err1 != nil || err2 != nil || begin == 0 || end == 0 {
return Range{}, false
}
return newRange(begin, end), true
}
n, err := strconv.Atoi(*str)
if err != nil || n == 0 {
return Range{}, false
}
return newRange(n, n), true
}
func withPrefixLengths(tokens []string, begin int) []Token {
ret := make([]Token, len(tokens))
prefixLength := begin
for idx := range tokens {
chars := util.ToChars([]byte(tokens[idx]))
ret[idx] = Token{&chars, int32(prefixLength)}
prefixLength += chars.Length()
}
return ret
}
const (
awkNil = iota
awkBlack
awkWhite
)
func awkTokenizer(input string) ([]string, int) {
// 9, 32
ret := []string{}
prefixLength := 0
state := awkNil
begin := 0
end := 0
for idx := 0; idx < len(input); idx++ {
r := input[idx]
white := r == 9 || r == 32
switch state {
case awkNil:
if white {
prefixLength++
} else {
state, begin, end = awkBlack, idx, idx+1
}
case awkBlack:
end = idx + 1
if white {
state = awkWhite
}
case awkWhite:
if white {
end = idx + 1
} else {
ret = append(ret, input[begin:end])
state, begin, end = awkBlack, idx, idx+1
}
}
}
if begin < end {
ret = append(ret, input[begin:end])
}
return ret, prefixLength
}
// Tokenize tokenizes the given string with the delimiter
func Tokenize(text string, delimiter Delimiter) []Token {
if delimiter.str == nil && delimiter.regex == nil {
// AWK-style (\S+\s*)
tokens, prefixLength := awkTokenizer(text)
return withPrefixLengths(tokens, prefixLength)
}
if delimiter.str != nil {
return withPrefixLengths(strings.SplitAfter(text, *delimiter.str), 0)
}
// FIXME performance
var tokens []string
if delimiter.regex != nil {
for len(text) > 0 {
loc := delimiter.regex.FindStringIndex(text)
if len(loc) < 2 {
loc = []int{0, len(text)}
}
last := util.Max(loc[1], 1)
tokens = append(tokens, text[:last])
text = text[last:]
}
}
return withPrefixLengths(tokens, 0)
}
func joinTokens(tokens []Token) string {
var output bytes.Buffer
for _, token := range tokens {
output.WriteString(token.text.ToString())
}
return output.String()
}
// Transform is used to transform the input when --with-nth option is given
func Transform(tokens []Token, withNth []Range) []Token {
transTokens := make([]Token, len(withNth))
numTokens := len(tokens)
for idx, r := range withNth {
parts := []*util.Chars{}
minIdx := 0
if r.begin == r.end {
idx := r.begin
if idx == rangeEllipsis {
chars := util.ToChars([]byte(joinTokens(tokens)))
parts = append(parts, &chars)
} else {
if idx < 0 {
idx += numTokens + 1
}
if idx >= 1 && idx <= numTokens {
minIdx = idx - 1
parts = append(parts, tokens[idx-1].text)
}
}
} else {
var begin, end int
if r.begin == rangeEllipsis { // ..N
begin, end = 1, r.end
if end < 0 {
end += numTokens + 1
}
} else if r.end == rangeEllipsis { // N..
begin, end = r.begin, numTokens
if begin < 0 {
begin += numTokens + 1
}
} else {
begin, end = r.begin, r.end
if begin < 0 {
begin += numTokens + 1
}
if end < 0 {
end += numTokens + 1
}
}
minIdx = util.Max(0, begin-1)
for idx := begin; idx <= end; idx++ {
if idx >= 1 && idx <= numTokens {
parts = append(parts, tokens[idx-1].text)
}
}
}
// Merge multiple parts
var merged util.Chars
switch len(parts) {
case 0:
merged = util.ToChars([]byte{})
case 1:
merged = *parts[0]
default:
var output bytes.Buffer
for _, part := range parts {
output.WriteString(part.ToString())
}
merged = util.ToChars(output.Bytes())
}
var prefixLength int32
if minIdx < numTokens {
prefixLength = tokens[minIdx].prefixLength
} else {
prefixLength = 0
}
transTokens[idx] = Token{&merged, prefixLength}
}
return transTokens
}

112
fzf/fzf/src/tokenizer_test.go Normal file
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@ -0,0 +1,112 @@
package fzf
import (
"testing"
)
func TestParseRange(t *testing.T) {
{
i := ".."
r, _ := ParseRange(&i)
if r.begin != rangeEllipsis || r.end != rangeEllipsis {
t.Errorf("%v", r)
}
}
{
i := "3.."
r, _ := ParseRange(&i)
if r.begin != 3 || r.end != rangeEllipsis {
t.Errorf("%v", r)
}
}
{
i := "3..5"
r, _ := ParseRange(&i)
if r.begin != 3 || r.end != 5 {
t.Errorf("%v", r)
}
}
{
i := "-3..-5"
r, _ := ParseRange(&i)
if r.begin != -3 || r.end != -5 {
t.Errorf("%v", r)
}
}
{
i := "3"
r, _ := ParseRange(&i)
if r.begin != 3 || r.end != 3 {
t.Errorf("%v", r)
}
}
}
func TestTokenize(t *testing.T) {
// AWK-style
input := " abc: def: ghi "
tokens := Tokenize(input, Delimiter{})
if tokens[0].text.ToString() != "abc: " || tokens[0].prefixLength != 2 {
t.Errorf("%s", tokens)
}
// With delimiter
tokens = Tokenize(input, delimiterRegexp(":"))
if tokens[0].text.ToString() != " abc:" || tokens[0].prefixLength != 0 {
t.Error(tokens[0].text.ToString(), tokens[0].prefixLength)
}
// With delimiter regex
tokens = Tokenize(input, delimiterRegexp("\\s+"))
if tokens[0].text.ToString() != " " || tokens[0].prefixLength != 0 ||
tokens[1].text.ToString() != "abc: " || tokens[1].prefixLength != 2 ||
tokens[2].text.ToString() != "def: " || tokens[2].prefixLength != 8 ||
tokens[3].text.ToString() != "ghi " || tokens[3].prefixLength != 14 {
t.Errorf("%s", tokens)
}
}
func TestTransform(t *testing.T) {
input := " abc: def: ghi: jkl"
{
tokens := Tokenize(input, Delimiter{})
{
ranges := splitNth("1,2,3")
tx := Transform(tokens, ranges)
if joinTokens(tx) != "abc: def: ghi: " {
t.Errorf("%s", tx)
}
}
{
ranges := splitNth("1..2,3,2..,1")
tx := Transform(tokens, ranges)
if string(joinTokens(tx)) != "abc: def: ghi: def: ghi: jklabc: " ||
len(tx) != 4 ||
tx[0].text.ToString() != "abc: def: " || tx[0].prefixLength != 2 ||
tx[1].text.ToString() != "ghi: " || tx[1].prefixLength != 14 ||
tx[2].text.ToString() != "def: ghi: jkl" || tx[2].prefixLength != 8 ||
tx[3].text.ToString() != "abc: " || tx[3].prefixLength != 2 {
t.Errorf("%s", tx)
}
}
}
{
tokens := Tokenize(input, delimiterRegexp(":"))
{
ranges := splitNth("1..2,3,2..,1")
tx := Transform(tokens, ranges)
if joinTokens(tx) != " abc: def: ghi: def: ghi: jkl abc:" ||
len(tx) != 4 ||
tx[0].text.ToString() != " abc: def:" || tx[0].prefixLength != 0 ||
tx[1].text.ToString() != " ghi:" || tx[1].prefixLength != 12 ||
tx[2].text.ToString() != " def: ghi: jkl" || tx[2].prefixLength != 6 ||
tx[3].text.ToString() != " abc:" || tx[3].prefixLength != 0 {
t.Errorf("%s", tx)
}
}
}
}
func TestTransformIndexOutOfBounds(t *testing.T) {
Transform([]Token{}, splitNth("1"))
}

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