fzf/plugin/fzf.vim

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" Copyright (c) 2015 Junegunn Choi
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"
" MIT License
"
" 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.
let s:default_height = '40%'
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let s:fzf_go = expand('<sfile>:h:h').'/bin/fzf'
let s:install = expand('<sfile>:h:h').'/install'
let s:installed = 0
let s:fzf_tmux = expand('<sfile>:h:h').'/bin/fzf-tmux'
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let s:cpo_save = &cpo
set cpo&vim
function! s:fzf_exec()
if !exists('s:exec')
if executable(s:fzf_go)
let s:exec = s:fzf_go
elseif executable('fzf')
let s:exec = 'fzf'
elseif !s:installed && executable(s:install) &&
\ input('fzf executable not found. Download binary? (y/n) ') =~? '^y'
redraw
echo
call s:warn('Downloading fzf binary. Please wait ...')
let s:installed = 1
call system(s:install.' --bin')
return s:fzf_exec()
else
redraw
throw 'fzf executable not found'
endif
endif
return s:exec
endfunction
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function! s:tmux_not_zoomed()
return system('tmux list-panes -F "#F"') !~# 'Z'
endfunction
function! s:tmux_enabled()
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if has('gui_running')
return 0
endif
if exists('s:tmux')
return s:tmux && s:tmux_not_zoomed()
endif
let s:tmux = 0
if exists('$TMUX') && executable(s:fzf_tmux)
let output = system('tmux -V')
let s:tmux = !v:shell_error && output >= 'tmux 1.7'
endif
return s:tmux && s:tmux_not_zoomed()
endfunction
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function! s:shellesc(arg)
return '"'.substitute(a:arg, '"', '\\"', 'g').'"'
endfunction
function! s:escape(path)
return escape(a:path, ' %#''"\')
endfunction
" Upgrade legacy options
function! s:upgrade(dict)
let copy = copy(a:dict)
if has_key(copy, 'tmux')
let copy.down = remove(copy, 'tmux')
endif
if has_key(copy, 'tmux_height')
let copy.down = remove(copy, 'tmux_height')
endif
if has_key(copy, 'tmux_width')
let copy.right = remove(copy, 'tmux_width')
endif
return copy
endfunction
function! s:error(msg)
echohl ErrorMsg
echom a:msg
echohl None
endfunction
function! s:warn(msg)
echohl WarningMsg
echom a:msg
echohl None
endfunction
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function! fzf#run(...) abort
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try
let oshell = &shell
set shell=sh
if has('nvim') && bufexists('term://*:FZF')
call s:warn('FZF is already running!')
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return []
endif
let dict = exists('a:1') ? s:upgrade(a:1) : {}
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let temps = { 'result': tempname() }
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let optstr = get(dict, 'options', '')
try
let fzf_exec = s:fzf_exec()
catch
throw v:exception
endtry
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if has_key(dict, 'source')
let source = dict.source
let type = type(source)
if type == 1
let prefix = source.'|'
elseif type == 3
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let temps.input = tempname()
call writefile(source, temps.input)
let prefix = 'cat '.s:shellesc(temps.input).'|'
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else
throw 'Invalid source type'
endif
else
let prefix = ''
endif
let tmux = !has('nvim') && s:tmux_enabled() && s:splittable(dict)
let command = prefix.(tmux ? s:fzf_tmux(dict) : fzf_exec).' '.optstr.' > '.temps.result
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try
if tmux
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return s:execute_tmux(dict, command, temps)
elseif has('nvim')
return s:execute_term(dict, command, temps)
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else
return s:execute(dict, command, temps)
endif
finally
call s:popd(dict)
endtry
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finally
let &shell = oshell
endtry
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endfunction
function! s:present(dict, ...)
for key in a:000
if !empty(get(a:dict, key, ''))
return 1
endif
endfor
return 0
endfunction
function! s:fzf_tmux(dict)
let size = ''
for o in ['up', 'down', 'left', 'right']
if s:present(a:dict, o)
let spec = a:dict[o]
if (o == 'up' || o == 'down') && spec[0] == '~'
let size = '-'.o[0].s:calc_size(&lines, spec[1:], a:dict)
else
" Legacy boolean option
let size = '-'.o[0].(spec == 1 ? '' : spec)
endif
break
endif
endfor
return printf('LINES=%d COLUMNS=%d %s %s %s --',
\ &lines, &columns, s:fzf_tmux, size, (has_key(a:dict, 'source') ? '' : '-'))
endfunction
function! s:splittable(dict)
return s:present(a:dict, 'up', 'down', 'left', 'right')
endfunction
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function! s:pushd(dict)
if s:present(a:dict, 'dir')
let cwd = getcwd()
if get(a:dict, 'prev_dir', '') ==# cwd
return 1
endif
let a:dict.prev_dir = cwd
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execute 'chdir '.s:escape(a:dict.dir)
let a:dict.dir = getcwd()
return 1
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endif
return 0
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endfunction
function! s:popd(dict)
if has_key(a:dict, 'prev_dir')
execute 'chdir '.s:escape(remove(a:dict, 'prev_dir'))
endif
endfunction
function! s:xterm_launcher()
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let fmt = 'xterm -T "[fzf]" -bg "\%s" -fg "\%s" -geometry %dx%d+%d+%d -e bash -ic %%s'
if has('gui_macvim')
let fmt .= '&& osascript -e "tell application \"MacVim\" to activate"'
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endif
return printf(fmt,
\ synIDattr(hlID("Normal"), "bg"), synIDattr(hlID("Normal"), "fg"),
\ &columns, &lines/2, getwinposx(), getwinposy())
endfunction
unlet! s:launcher
let s:launcher = function('s:xterm_launcher')
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function! s:exit_handler(code, command, ...)
if a:code == 130
return 0
elseif a:code > 1
call s:error('Error running ' . a:command)
if !empty(a:000)
sleep
endif
return 0
endif
return 1
endfunction
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function! s:execute(dict, command, temps)
call s:pushd(a:dict)
silent! !clear 2> /dev/null
let escaped = escape(substitute(a:command, '\n', '\\n', 'g'), '%#')
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if has('gui_running')
let Launcher = get(a:dict, 'launcher', get(g:, 'Fzf_launcher', get(g:, 'fzf_launcher', s:launcher)))
let fmt = type(Launcher) == 2 ? call(Launcher, []) : Launcher
let command = printf(fmt, "'".substitute(escaped, "'", "'\"'\"'", 'g')."'")
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else
let command = escaped
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endif
execute 'silent !'.command
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redraw!
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return s:exit_handler(v:shell_error, command) ? s:callback(a:dict, a:temps) : []
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endfunction
function! s:execute_tmux(dict, command, temps)
let command = a:command
if s:pushd(a:dict)
" -c '#{pane_current_path}' is only available on tmux 1.9 or above
let command = 'cd '.s:escape(a:dict.dir).' && '.command
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endif
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call system(command)
redraw!
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return s:exit_handler(v:shell_error, command) ? s:callback(a:dict, a:temps) : []
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endfunction
function! s:calc_size(max, val, dict)
if a:val =~ '%$'
let size = a:max * str2nr(a:val[:-2]) / 100
else
let size = min([a:max, str2nr(a:val)])
endif
let srcsz = -1
if type(get(a:dict, 'source', 0)) == type([])
let srcsz = len(a:dict.source)
endif
let opts = get(a:dict, 'options', '').$FZF_DEFAULT_OPTS
let margin = stridx(opts, '--inline-info') > stridx(opts, '--no-inline-info') ? 1 : 2
return srcsz >= 0 ? min([srcsz + margin, size]) : size
endfunction
function! s:getpos()
return {'tab': tabpagenr(), 'win': winnr(), 'cnt': winnr('$')}
endfunction
function! s:split(dict)
let directions = {
\ 'up': ['topleft', 'resize', &lines],
\ 'down': ['botright', 'resize', &lines],
\ 'left': ['vertical topleft', 'vertical resize', &columns],
\ 'right': ['vertical botright', 'vertical resize', &columns] }
let s:ppos = s:getpos()
try
for [dir, triple] in items(directions)
let val = get(a:dict, dir, '')
if !empty(val)
let [cmd, resz, max] = triple
if (dir == 'up' || dir == 'down') && val[0] == '~'
let sz = s:calc_size(max, val[1:], a:dict)
else
let sz = s:calc_size(max, val, {})
endif
execute cmd sz.'new'
execute resz sz
return
endif
endfor
if s:present(a:dict, 'window')
execute a:dict.window
else
tabnew
endif
finally
setlocal winfixwidth winfixheight buftype=nofile bufhidden=wipe nobuflisted
endtry
endfunction
function! s:execute_term(dict, command, temps)
call s:split(a:dict)
call s:pushd(a:dict)
let fzf = { 'buf': bufnr('%'), 'dict': a:dict, 'temps': a:temps, 'name': 'FZF' }
let s:command = a:command
function! fzf.on_exit(id, code)
let pos = s:getpos()
let inplace = pos == s:ppos " {'window': 'enew'}
if !inplace
if bufnr('') == self.buf
" We use close instead of bd! since Vim does not close the split when
" there's no other listed buffer (nvim +'set nobuflisted')
close
endif
if pos.tab == s:ppos.tab
wincmd p
endif
endif
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if !s:exit_handler(a:code, s:command, 1)
return
endif
call s:pushd(self.dict)
try
call s:callback(self.dict, self.temps)
if inplace && bufnr('') == self.buf
execute "normal! \<c-^>"
" No other listed buffer
if bufnr('') == self.buf
bd!
endif
endif
finally
call s:popd(self.dict)
endtry
endfunction
call termopen(a:command, fzf)
startinsert
return []
endfunction
function! s:callback(dict, temps)
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try
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if !filereadable(a:temps.result)
let lines = []
else
let lines = readfile(a:temps.result)
if has_key(a:dict, 'sink')
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for line in lines
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if type(a:dict.sink) == 2
call a:dict.sink(line)
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else
execute a:dict.sink s:escape(line)
endif
endfor
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endif
if has_key(a:dict, 'sink*')
call a:dict['sink*'](lines)
endif
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endif
for tf in values(a:temps)
silent! call delete(tf)
endfor
return lines
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catch
if stridx(v:exception, ':E325:') < 0
echoerr v:exception
endif
endtry
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endfunction
let s:default_action = {
\ 'ctrl-m': 'e',
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\ 'ctrl-t': 'tab split',
\ 'ctrl-x': 'split',
\ 'ctrl-v': 'vsplit' }
function! s:cmd_callback(lines) abort
if empty(a:lines)
return
endif
let key = remove(a:lines, 0)
let cmd = get(s:action, key, 'e')
if len(a:lines) > 1
augroup fzf_swap
autocmd SwapExists * let v:swapchoice='o'
\| call s:warn('fzf: E325: swap file exists: '.expand('<afile>'))
augroup END
endif
try
let autochdir = &autochdir
set noautochdir
for item in a:lines
execute cmd s:escape(item)
if exists('#BufEnter') && isdirectory(item)
doautocmd BufEnter
endif
endfor
finally
let &autochdir = autochdir
silent! autocmd! fzf_swap
endtry
endfunction
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function! s:cmd(bang, ...) abort
let s:action = get(g:, 'fzf_action', s:default_action)
let args = extend(['--expect='.join(keys(s:action), ',')], a:000)
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let opts = {}
if len(args) > 0 && isdirectory(expand(args[-1]))
let opts.dir = substitute(remove(args, -1), '\\\(["'']\)', '\1', 'g')
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endif
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if !a:bang
let opts.down = get(g:, 'fzf_height', get(g:, 'fzf_tmux_height', s:default_height))
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endif
call fzf#run(extend({'options': join(args), 'sink*': function('<sid>cmd_callback')}, opts))
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endfunction
command! -nargs=* -complete=dir -bang FZF call s:cmd(<bang>0, <f-args>)
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let &cpo = s:cpo_save
unlet s:cpo_save
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