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fuf.vim
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fuf.vim
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"=============================================================================
" Copyright (c) 2007-2010 Takeshi NISHIDA
"
"=============================================================================
" LOAD GUARD {{{1
if !l9#guardScriptLoading(expand('<sfile>:p'), 0, 0, [])
finish
endif
" }}}1
"=============================================================================
" GLOBAL FUNCTIONS {{{1
" returns list of paths.
" An argument for glob() is normalized in order to avoid a bug on Windows.
function fuf#glob(expr)
" Substitutes "\", because on Windows, "**\" doesn't include ".\",
" but "**/" include "./". I don't know why.
return split(glob(substitute(a:expr, '\', '/', 'g')), "\n")
endfunction
"
function fuf#countModifiedFiles(files, time)
return len(filter(copy(a:files), 'getftime(expand(v:val)) > a:time'))
endfunction
"
function fuf#getCurrentTagFiles()
return sort(filter(map(tagfiles(), 'fnamemodify(v:val, '':p'')'), 'filereadable(v:val)'))
endfunction
"
function fuf#mapToSetSerialIndex(in, offset)
for i in range(len(a:in))
let a:in[i].index = i + a:offset
endfor
return a:in
endfunction
"
function fuf#updateMruList(mrulist, newItem, maxItem, exclude)
let result = copy(a:mrulist)
let result = filter(result,'v:val.word !=# a:newItem.word')
let result = insert(result, a:newItem)
if len(a:exclude)
let result = filter(result, 'v:val.word !~ a:exclude')
endif
return result[0 : a:maxItem - 1]
endfunction
" takes suffix number. if no digits, returns -1
function fuf#suffixNumber(str)
let s = matchstr(a:str, '\d\+$')
return (len(s) ? str2nr(s) : -1)
endfunction
" "foo/bar/buz/hoge" -> { head: "foo/bar/buz/", tail: "hoge" }
function fuf#splitPath(path)
let head = matchstr(a:path, '^.*[/\\]')
return {
\ 'head' : head,
\ 'tail' : a:path[strlen(head):]
\ }
endfunction
" "foo/.../bar/...hoge" -> "foo/.../bar/../../hoge"
function fuf#expandTailDotSequenceToParentDir(pattern)
return substitute(a:pattern, '^\(.*[/\\]\)\?\zs\.\(\.\+\)\ze[^/\\]*$',
\ '\=repeat(".." . l9#getPathSeparator(), len(submatch(2)))', '')
endfunction
"
function fuf#formatPrompt(prompt, partialMatching, otherString)
let indicator = escape((a:partialMatching ? '!' : '') . a:otherString, '\')
return substitute(a:prompt, '[]', indicator, 'g')
endfunction
"
function fuf#getFileLines(file)
let bufnr = (type(a:file) ==# type(0) ? a:file : bufnr('^' . a:file . '$'))
let lines = getbufline(bufnr, 1, '$')
if !empty(lines)
return lines
endif
return l9#readFile(a:file)
endfunction
"
function fuf#makePreviewLinesAround(lines, indices, page, maxHeight)
let index = ((empty(a:indices) ? 0 : a:indices[0])
\ + a:page * a:maxHeight) % len(a:lines)
if empty(a:lines) || a:maxHeight <= 0
return []
endif
let beg = max([0, index - a:maxHeight / 2])
let end = min([beg + a:maxHeight, len(a:lines)])
let beg = max([0, end - a:maxHeight])
let lines = []
for i in range(beg, end - 1)
let mark = (count(a:indices, i) ? '>' : ' ')
call add(lines, printf('%s%4d ', mark, i + 1) . a:lines[i])
endfor
return lines
endfunction
" a:file: a path string or a buffer number
function fuf#makePreviewLinesForFile(file, count, maxHeight)
let lines = fuf#getFileLines(a:file)
if empty(lines)
return []
endif
let bufnr = (type(a:file) ==# type(0) ? a:file : bufnr('^' . a:file . '$'))
if exists('s:bufferCursorPosMap[bufnr]')
let indices = [s:bufferCursorPosMap[bufnr][1] - 1]
else
let indices = []
endif
return fuf#makePreviewLinesAround(
\ lines, indices, a:count, a:maxHeight)
endfunction
"
function fuf#echoWarning(msg)
call l9#echoHl('WarningMsg', a:msg, '[fuf] ', 1)
endfunction
"
function fuf#echoError(msg)
call l9#echoHl('ErrorMsg', a:msg, '[fuf] ', 1)
endfunction
"
function fuf#openBuffer(bufNr, mode, reuse)
if a:reuse && ((a:mode ==# s:OPEN_TYPE_SPLIT &&
\ l9#moveToBufferWindowInCurrentTabpage(a:bufNr)) ||
\ (a:mode ==# s:OPEN_TYPE_VSPLIT &&
\ l9#moveToBufferWindowInCurrentTabpage(a:bufNr)) ||
\ (a:mode ==# s:OPEN_TYPE_TAB &&
\ l9#moveToBufferWindowInOtherTabpage(a:bufNr)))
return
endif
execute printf({
\ s:OPEN_TYPE_CURRENT : '%sbuffer' ,
\ s:OPEN_TYPE_SPLIT : '%ssbuffer' ,
\ s:OPEN_TYPE_VSPLIT : 'vertical %ssbuffer',
\ s:OPEN_TYPE_TAB : 'tab %ssbuffer' ,
\ }[a:mode], a:bufNr)
endfunction
"
function fuf#openFile(path, mode, reuse)
let bufNr = bufnr('^' . a:path . '$')
if bufNr > -1
call fuf#openBuffer(bufNr, a:mode, a:reuse)
else
execute {
\ s:OPEN_TYPE_CURRENT : 'edit ' ,
\ s:OPEN_TYPE_SPLIT : 'split ' ,
\ s:OPEN_TYPE_VSPLIT : 'vsplit ' ,
\ s:OPEN_TYPE_TAB : 'tabedit ',
\ }[a:mode] . fnameescape(fnamemodify(a:path, ':~:.'))
endif
endfunction
"
function fuf#openTag(tag, mode)
execute {
\ s:OPEN_TYPE_CURRENT : 'tjump ' ,
\ s:OPEN_TYPE_SPLIT : 'stjump ' ,
\ s:OPEN_TYPE_VSPLIT : 'vertical stjump ',
\ s:OPEN_TYPE_TAB : 'tab stjump ' ,
\ }[a:mode] . a:tag
endfunction
"
function fuf#openHelp(tag, mode)
execute {
\ s:OPEN_TYPE_CURRENT : 'help ' ,
\ s:OPEN_TYPE_SPLIT : 'help ' ,
\ s:OPEN_TYPE_VSPLIT : 'vertical help ',
\ s:OPEN_TYPE_TAB : 'tab help ' ,
\ }[a:mode] . a:tag
endfunction
"
function fuf#prejump(mode)
execute {
\ s:OPEN_TYPE_CURRENT : '' ,
\ s:OPEN_TYPE_SPLIT : 'split' ,
\ s:OPEN_TYPE_VSPLIT : 'vsplit' ,
\ s:OPEN_TYPE_TAB : 'tab split',
\ }[a:mode]
endfunction
"
function fuf#compareRanks(i1, i2)
if exists('a:i1.ranks') && exists('a:i2.ranks')
for i in range(min([len(a:i1.ranks), len(a:i2.ranks)]))
if a:i1.ranks[i] > a:i2.ranks[i]
return +1
elseif a:i1.ranks[i] < a:i2.ranks[i]
return -1
endif
endfor
endif
return 0
endfunction
"
function fuf#makePathItem(fname, menu, appendsDirSuffix)
let pathPair = fuf#splitPath(a:fname)
let dirSuffix = (a:appendsDirSuffix && isdirectory(expand(a:fname))
\ ? l9#getPathSeparator()
\ : '')
return {
\ 'word' : a:fname . dirSuffix,
\ 'wordForPrimaryHead': s:toLowerForIgnoringCase(pathPair.head),
\ 'wordForPrimaryTail': s:toLowerForIgnoringCase(pathPair.tail),
\ 'wordForBoundary' : s:toLowerForIgnoringCase(s:getWordBoundaries(pathPair.tail)),
\ 'wordForRefining' : s:toLowerForIgnoringCase(a:fname . dirSuffix),
\ 'wordForRank' : s:toLowerForIgnoringCase(pathPair.tail),
\ 'menu' : a:menu,
\ }
endfunction
"
function fuf#makeNonPathItem(word, menu)
let wordL = s:toLowerForIgnoringCase(a:word)
return {
\ 'word' : a:word,
\ 'wordForPrimary' : wordL,
\ 'wordForBoundary': s:toLowerForIgnoringCase(s:getWordBoundaries(a:word)),
\ 'wordForRefining': wordL,
\ 'wordForRank' : wordL,
\ 'menu' : a:menu,
\ }
endfunction
"
function fuf#makePatternSet(patternBase, interpreter, partialMatching)
let MakeMatchingExpr = function(a:partialMatching
\ ? 's:makePartialMatchingExpr'
\ : 's:makeFuzzyMatchingExpr')
let [primary; refinings] = split(a:patternBase, g:fuf_patternSeparator, 1)
let elements = call(a:interpreter, [primary])
let primaryExprs = map(elements.matchingPairs, 'MakeMatchingExpr(v:val[0], v:val[1])')
let refiningExprs = map(refinings, 's:makeRefiningExpr(v:val)')
return {
\ 'primary' : elements.primary,
\ 'primaryForRank': elements.primaryForRank,
\ 'filteringExpr' : join(primaryExprs + refiningExprs, ' && '),
\ }
endfunction
"
function fuf#enumExpandedDirsEntries(dir, exclude)
let entries = fuf#glob(a:dir . '*') + fuf#glob(a:dir . '.*')
" removes "*/." and "*/.."
call filter(entries, 'v:val !~ ''\v(^|[/\\])\.\.?$''')
call map(entries, 'fuf#makePathItem(v:val, "", 1)')
if len(a:exclude)
call filter(entries, 'v:val.word !~ a:exclude')
endif
return entries
endfunction
"
function fuf#mapToSetAbbrWithSnippedWordAsPath(items)
let maxLenStats = {}
call map(a:items, 's:makeFileAbbrInfo(v:val, maxLenStats)')
let snippedHeads =
\ map(maxLenStats, 's:getSnippedHead(v:key[: -2], v:val)')
return map(a:items, 's:setAbbrWithFileAbbrData(v:val, snippedHeads)')
endfunction
"
function fuf#setAbbrWithFormattedWord(item, abbrIndex)
let lenMenu = (exists('a:item.menu') ? len(a:item.menu) + 2 : 0)
let abbrPrefix = (exists('a:item.abbrPrefix') ? a:item.abbrPrefix : '')
let a:item.abbr = abbrPrefix . a:item.word
if a:abbrIndex
let a:item.abbr = printf('%4d: ', a:item.index) . a:item.abbr
endif
let a:item.abbr = l9#snipTail(a:item.abbr, g:fuf_maxMenuWidth - lenMenu, s:ABBR_SNIP_MASK)
return a:item
endfunction
"
function s:onCommandPre()
for m in filter(copy(fuf#getModeNames()), 'fuf#{v:val}#requiresOnCommandPre()')
call fuf#{m}#onCommandPre(getcmdtype() . getcmdline())
endfor
" lets last entry become the newest in the history
call histadd(getcmdtype(), getcmdline())
" this is not mapped again (:help recursive_mapping)
return "\<CR>"
endfunction
"
let s:modeNames = []
"
function fuf#addMode(modeName)
if count(g:fuf_modesDisable, a:modeName) > 0
return
endif
call add(s:modeNames, a:modeName)
call fuf#{a:modeName}#renewCache()
call fuf#{a:modeName}#onInit()
if fuf#{a:modeName}#requiresOnCommandPre()
" cnoremap has a problem, which doesn't expand cabbrev.
cmap <silent> <expr> <CR> <SID>onCommandPre()
endif
endfunction
"
function fuf#getModeNames()
return s:modeNames
endfunction
"
function fuf#defineLaunchCommand(CmdName, modeName, prefixInitialPattern, tempVars)
if empty(a:tempVars)
let preCmd = ''
else
let preCmd = printf('call l9#tempvariables#setList(%s, %s) | ',
\ string(s:TEMP_VARIABLES_GROUP), string(a:tempVars))
endif
execute printf('command! -range -bang -narg=? %s %s call fuf#launch(%s, %s . <q-args>, len(<q-bang>))',
\ a:CmdName, preCmd, string(a:modeName), a:prefixInitialPattern)
endfunction
"
function fuf#defineKeyMappingInHandler(key, func)
" hacks to be able to use feedkeys().
execute printf(
\ 'inoremap <buffer> <silent> %s <C-r>=fuf#getRunningHandler().%s ? "" : ""<CR>',
\ a:key, a:func)
endfunction
"
let s:oneTimeVariables = []
"
function fuf#setOneTimeVariables(...)
let s:oneTimeVariables += a:000
endfunction
"
function fuf#launch(modeName, initialPattern, partialMatching)
if exists('s:runningHandler')
call fuf#echoWarning('FuzzyFinder is running.')
endif
if count(fuf#getModeNames(), a:modeName) == 0
echoerr 'This mode is not available: ' . a:modeName
return
endif
let s:runningHandler = fuf#{a:modeName}#createHandler(copy(s:handlerBase))
let s:runningHandler.stats = fuf#loadDataFile(s:runningHandler.getModeName(), 'stats')
let s:runningHandler.partialMatching = a:partialMatching
let s:runningHandler.bufNrPrev = bufnr('%')
let s:runningHandler.lastCol = -1
let s:runningHandler.windowRestoringCommand = winrestcmd()
call s:runningHandler.onModeEnterPre()
" NOTE: updatetime is set, because in Buffer-Tag mode on Vim 7.3 on Windows,
" Vim keeps from triggering CursorMovedI for updatetime after system() is
" called. I don't know why.
call fuf#setOneTimeVariables(
\ ['&completeopt', 'menuone'],
\ ['&ignorecase', 0],
\ ['&updatetime', 10],
\ )
if s:runningHandler.getPreviewHeight() > 0
call fuf#setOneTimeVariables(
\ ['&cmdheight', s:runningHandler.getPreviewHeight() + 1])
endif
call l9#tempvariables#setList(s:TEMP_VARIABLES_GROUP, s:oneTimeVariables)
let s:oneTimeVariables = []
call s:activateFufBuffer()
augroup FufLocal
autocmd!
autocmd CursorMovedI <buffer> call s:runningHandler.onCursorMovedI()
autocmd InsertLeave <buffer> nested call s:runningHandler.onInsertLeave()
augroup END
for [key, func] in [
\ [ g:fuf_keyOpen , 'onCr(' . s:OPEN_TYPE_CURRENT . ')' ],
\ [ g:fuf_keyOpenSplit , 'onCr(' . s:OPEN_TYPE_SPLIT . ')' ],
\ [ g:fuf_keyOpenVsplit , 'onCr(' . s:OPEN_TYPE_VSPLIT . ')' ],
\ [ g:fuf_keyOpenTabpage , 'onCr(' . s:OPEN_TYPE_TAB . ')' ],
\ [ '<BS>' , 'onBs()' ],
\ [ '<C-h>' , 'onBs()' ],
\ [ '<C-w>' , 'onDeleteWord()' ],
\ [ g:fuf_keyPreview , 'onPreviewBase(1)' ],
\ [ g:fuf_keyNextMode , 'onSwitchMode(+1)' ],
\ [ g:fuf_keyPrevMode , 'onSwitchMode(-1)' ],
\ [ g:fuf_keySwitchMatching, 'onSwitchMatching()' ],
\ [ g:fuf_keyPrevPattern , 'onRecallPattern(+1)' ],
\ [ g:fuf_keyNextPattern , 'onRecallPattern(-1)' ],
\ ]
call fuf#defineKeyMappingInHandler(key, func)
endfor
" Starts Insert mode and makes CursorMovedI event now. Command prompt is
" needed to forces a completion menu to update every typing.
call setline(1, s:runningHandler.getPrompt() . a:initialPattern)
call s:runningHandler.onModeEnterPost()
call feedkeys("A", 'n') " startinsert! does not work in InsertLeave event handler
redraw
endfunction
"
function fuf#loadDataFile(modeName, dataName)
if !s:dataFileAvailable
return []
endif
let lines = l9#readFile(l9#concatPaths([g:fuf_dataDir, a:modeName, a:dataName]))
return map(lines, 'eval(v:val)')
endfunction
"
function fuf#saveDataFile(modeName, dataName, items)
if !s:dataFileAvailable
return -1
endif
let lines = map(copy(a:items), 'string(v:val)')
return l9#writeFile(lines, l9#concatPaths([g:fuf_dataDir, a:modeName, a:dataName]))
endfunction
"
function fuf#getDataFileTime(modeName, dataName)
if !s:dataFileAvailable
return -1
endif
return getftime(expand(l9#concatPaths([g:fuf_dataDir, a:modeName, a:dataName])))
endfunction
"
function s:createDataBufferListener(dataFile)
let listener = { 'dataFile': a:dataFile }
function listener.onWrite(lines)
let [modeName, dataName] = split(self.dataFile, l9#getPathSeparator())
let items = map(filter(a:lines, '!empty(v:val)'), 'eval(v:val)')
call fuf#saveDataFile(modeName, dataName, items)
echo "Data files updated"
return 1
endfunction
return listener
endfunction
"
function s:createEditDataListener()
let listener = {}
function listener.onComplete(dataFile, method)
let bufName = '[fuf-info]'
let lines = l9#readFile(l9#concatPaths([g:fuf_dataDir, a:dataFile]))
call l9#tempbuffer#openWritable(bufName, 'vim', lines, 0, 0, 0,
\ s:createDataBufferListener(a:dataFile))
endfunction
return listener
endfunction
"
function s:getEditableDataFiles(modeName)
let dataFiles = fuf#{a:modeName}#getEditableDataNames()
call filter(dataFiles, 'fuf#getDataFileTime(a:modeName, v:val) != -1')
return map(dataFiles, 'l9#concatPaths([a:modeName, v:val])')
endfunction
"
function fuf#editDataFile()
let dataFiles = map(copy(fuf#getModeNames()), 's:getEditableDataFiles(v:val)')
let dataFiles = l9#concat(dataFiles)
call fuf#callbackitem#launch('', 0, '>Mode>', s:createEditDataListener(), dataFiles, 0)
endfunction
"
function fuf#getRunningHandler()
return s:runningHandler
endfunction
"
function fuf#onComplete(findstart, base)
return s:runningHandler.onComplete(a:findstart, a:base)
endfunction
" }}}1
"=============================================================================
" LOCAL FUNCTIONS/VARIABLES {{{1
let s:TEMP_VARIABLES_GROUP = expand('<sfile>:p')
let s:ABBR_SNIP_MASK = '...'
let s:OPEN_TYPE_CURRENT = 1
let s:OPEN_TYPE_SPLIT = 2
let s:OPEN_TYPE_VSPLIT = 3
let s:OPEN_TYPE_TAB = 4
" a:pattern: 'str' -> '\V\.\*s\.\*t\.\*r\.\*'
function s:makeFuzzyMatchingExpr(target, pattern)
let wi = ''
for c in split(a:pattern, '\zs')
if wi =~# '[^*?]$' && c !~ '[*?]'
let wi .= '*'
endif
let wi .= c
endfor
return s:makePartialMatchingExpr(a:target, wi)
endfunction
" a:pattern: 'str' -> '\Vstr'
" 'st*r' -> '\Vst\.\*r'
function s:makePartialMatchingExpr(target, pattern)
let patternMigemo = s:makeAdditionalMigemoPattern(a:pattern)
if a:pattern !~ '[*?]' && empty(patternMigemo)
" NOTE: stridx is faster than regexp matching
return 'stridx(' . a:target . ', ' . string(a:pattern) . ') >= 0'
endif
return a:target . ' =~# ' .
\ string(l9#convertWildcardToRegexp(a:pattern)) . patternMigemo
endfunction
"
function s:makeRefiningExpr(pattern)
if g:fuf_fuzzyRefining
let expr = s:makeFuzzyMatchingExpr('v:val.wordForRefining', a:pattern)
else
let expr = s:makePartialMatchingExpr('v:val.wordForRefining', a:pattern)
endif
if a:pattern =~# '\D'
return expr
else
return '(' . expr . ' || v:val.index == ' . string(a:pattern) . ')'
endif
endfunction
"
function s:makeAdditionalMigemoPattern(pattern)
if !g:fuf_useMigemo || a:pattern =~# '[^\x01-\x7e]'
return ''
endif
return '\|\m' . substitute(migemo(a:pattern), '\\_s\*', '.*', 'g')
endfunction
"
function s:interpretPrimaryPatternForPathTail(pattern)
let pattern = fuf#expandTailDotSequenceToParentDir(a:pattern)
let pairL = fuf#splitPath(s:toLowerForIgnoringCase(pattern))
return {
\ 'primary' : pattern,
\ 'primaryForRank': pairL.tail,
\ 'matchingPairs' : [['v:val.wordForPrimaryTail', pairL.tail],],
\ }
endfunction
"
function s:interpretPrimaryPatternForPath(pattern)
let pattern = fuf#expandTailDotSequenceToParentDir(a:pattern)
let patternL = s:toLowerForIgnoringCase(pattern)
let pairL = fuf#splitPath(patternL)
if g:fuf_splitPathMatching
let matches = [
\ ['v:val.wordForPrimaryHead', pairL.head],
\ ['v:val.wordForPrimaryTail', pairL.tail],
\ ]
else
let matches = [
\ ['v:val.wordForPrimaryHead . v:val.wordForPrimaryTail', patternL],
\ ]
endif
return {
\ 'primary' : pattern,
\ 'primaryForRank': pairL.tail,
\ 'matchingPairs' : matches,
\ }
endfunction
"
function s:interpretPrimaryPatternForNonPath(pattern)
let patternL = s:toLowerForIgnoringCase(a:pattern)
return {
\ 'primary' : a:pattern,
\ 'primaryForRank': patternL,
\ 'matchingPairs' : [['v:val.wordForPrimary', patternL],],
\ }
endfunction
"
function s:getWordBoundaries(word)
return substitute(a:word, '\a\zs\l\+\|\zs\A', '', 'g')
endfunction
"
function s:toLowerForIgnoringCase(str)
return (g:fuf_ignoreCase ? tolower(a:str) : a:str)
endfunction
"
function s:setRanks(item, pattern, exprBoundary, stats)
"let word2 = substitute(a:eval_word, '\a\zs\l\+\|\zs\A', '', 'g')
let a:item.ranks = [
\ s:evaluateLearningRank(a:item.word, a:stats),
\ -s:scoreSequentialMatching(a:item.wordForRank, a:pattern),
\ -s:scoreBoundaryMatching(a:item.wordForBoundary,
\ a:pattern, a:exprBoundary),
\ a:item.index,
\ ]
return a:item
endfunction
"
function s:evaluateLearningRank(word, stats)
for i in range(len(a:stats))
if a:stats[i].word ==# a:word
return i
endif
endfor
return len(a:stats)
endfunction
" range of return value is [0.0, 1.0]
function s:scoreSequentialMatching(word, pattern)
if empty(a:pattern)
return str2float('0.0')
endif
let pos = stridx(a:word, a:pattern)
if pos < 0
return str2float('0.0')
endif
let lenRest = len(a:word) - len(a:pattern) - pos
return str2float(pos == 0 ? '0.5' : '0.0') + str2float('0.5') / (lenRest + 1)
endfunction
" range of return value is [0.0, 1.0]
function s:scoreBoundaryMatching(wordForBoundary, pattern, exprBoundary)
if empty(a:pattern)
return str2float('0.0')
endif
if !eval(a:exprBoundary)
return 0
endif
return (s:scoreSequentialMatching(a:wordForBoundary, a:pattern) + 1) / 2
endfunction
"
function s:highlightPrompt(prompt)
syntax clear
execute printf('syntax match %s /^\V%s/', g:fuf_promptHighlight, escape(a:prompt, '\/'))
endfunction
"
function s:highlightError()
syntax clear
syntax match Error /^.*$/
endfunction
"
function s:expandAbbrevMap(pattern, abbrevMap)
let result = [a:pattern]
for [pattern, subs] in items(a:abbrevMap)
let exprs = result
let result = []
for expr in exprs
let result += map(copy(subs), 'substitute(expr, pattern, escape(v:val, ''\''), "g")')
endfor
endfor
return l9#unique(result)
endfunction
"
function s:makeFileAbbrInfo(item, maxLenStats)
let head = matchstr(a:item.word, '^.*[/\\]\ze.')
let a:item.abbr = { 'head' : head,
\ 'tail' : a:item.word[strlen(head):],
\ 'key' : head . '.',
\ 'prefix' : printf('%4d: ', a:item.index), }
if exists('a:item.abbrPrefix')
let a:item.abbr.prefix .= a:item.abbrPrefix
endif
let len = len(a:item.abbr.prefix) + len(a:item.word) +
\ (exists('a:item.menu') ? len(a:item.menu) + 2 : 0)
if !exists('a:maxLenStats[a:item.abbr.key]') || len > a:maxLenStats[a:item.abbr.key]
let a:maxLenStats[a:item.abbr.key] = len
endif
return a:item
endfunction
"
function s:getSnippedHead(head, baseLen)
return l9#snipMid(a:head, len(a:head) + g:fuf_maxMenuWidth - a:baseLen, s:ABBR_SNIP_MASK)
endfunction
"
function s:setAbbrWithFileAbbrData(item, snippedHeads)
let lenMenu = (exists('a:item.menu') ? len(a:item.menu) + 2 : 0)
let abbr = a:item.abbr.prefix . a:snippedHeads[a:item.abbr.key] . a:item.abbr.tail
let a:item.abbr = l9#snipTail(abbr, g:fuf_maxMenuWidth - lenMenu, s:ABBR_SNIP_MASK)
return a:item
endfunction
"
let s:FUF_BUF_NAME = '[fuf]'
"
function s:activateFufBuffer()
" lcd . : To avoid the strange behavior that unnamed buffer changes its cwd
" if 'autochdir' was set on.
lcd .
let cwd = getcwd()
call l9#tempbuffer#openScratch(s:FUF_BUF_NAME, 'fuf', [], 1, 0, 1, {})
resize 1 " for issue #21
" lcd ... : countermeasure against auto-cd script
lcd `=cwd`
setlocal nocursorline " for highlighting
setlocal nocursorcolumn " for highlighting
setlocal omnifunc=fuf#onComplete
redraw " for 'lazyredraw'
if exists(':AcpLock')
AcpLock
elseif exists(':AutoComplPopLock')
AutoComplPopLock
endif
endfunction
"
function s:deactivateFufBuffer()
if exists(':AcpUnlock')
AcpUnlock
elseif exists(':AutoComplPopUnlock')
AutoComplPopUnlock
endif
call l9#tempbuffer#close(s:FUF_BUF_NAME)
endfunction
" }}}1
"=============================================================================
" s:handlerBase {{{1
let s:handlerBase = {}
"-----------------------------------------------------------------------------
" PURE VIRTUAL FUNCTIONS {{{2
"
" "
" s:handler.getModeName()
"
" "
" s:handler.getPrompt()
"
" "
" s:handler.getCompleteItems(patternSet)
"
" "
" s:handler.onOpen(word, mode)
"
" " Before entering FuzzyFinder buffer. This function should return in a short time.
" s:handler.onModeEnterPre()
"
" " After entering FuzzyFinder buffer.
" s:handler.onModeEnterPost()
"
" " After leaving FuzzyFinder buffer.
" s:handler.onModeLeavePost(opened)
"
" }}}2
"-----------------------------------------------------------------------------
"
function s:handlerBase.concretize(deriv)
call extend(self, a:deriv, 'error')
return self
endfunction
"
function s:handlerBase.addStat(pattern, word)
let stat = { 'pattern' : a:pattern, 'word' : a:word }
call filter(self.stats, 'v:val !=# stat')
call insert(self.stats, stat)
let self.stats = self.stats[0 : g:fuf_learningLimit - 1]
endfunction
"
function s:handlerBase.getMatchingCompleteItems(patternBase)
let MakeMatchingExpr = function(self.partialMatching
\ ? 's:makePartialMatchingExpr'
\ : 's:makeFuzzyMatchingExpr')
let patternSet = self.makePatternSet(a:patternBase)
let exprBoundary = s:makeFuzzyMatchingExpr('a:wordForBoundary', patternSet.primaryForRank)
let stats = filter(
\ copy(self.stats), 'v:val.pattern ==# patternSet.primaryForRank')
let items = self.getCompleteItems(patternSet.primary)
" NOTE: In order to know an excess, plus 1 to limit number
let items = l9#filterWithLimit(
\ items, patternSet.filteringExpr, g:fuf_enumeratingLimit + 1)
return map(items,
\ 's:setRanks(v:val, patternSet.primaryForRank, exprBoundary, stats)')
endfunction
"
function s:handlerBase.onComplete(findstart, base)
if a:findstart
return 0
elseif !self.existsPrompt(a:base)
return []
endif
call s:highlightPrompt(self.getPrompt())
let items = []
for patternBase in s:expandAbbrevMap(self.removePrompt(a:base), g:fuf_abbrevMap)
let items += self.getMatchingCompleteItems(patternBase)
if len(items) > g:fuf_enumeratingLimit
let items = items[ : g:fuf_enumeratingLimit - 1]
call s:highlightError()
break
endif
endfor
if empty(items)
call s:highlightError()
else
call sort(items, 'fuf#compareRanks')
if g:fuf_autoPreview
call feedkeys("\<C-p>\<Down>\<C-r>=fuf#getRunningHandler().onPreviewBase(0) ? '' : ''\<CR>", 'n')
else
call feedkeys("\<C-p>\<Down>", 'n')
endif
let self.lastFirstWord = items[0].word
endif
return items
endfunction
"
function s:handlerBase.existsPrompt(line)
return strlen(a:line) >= strlen(self.getPrompt()) &&
\ a:line[:strlen(self.getPrompt()) -1] ==# self.getPrompt()
endfunction
"
function s:handlerBase.removePrompt(line)
return a:line[(self.existsPrompt(a:line) ? strlen(self.getPrompt()) : 0):]
endfunction
"
function s:handlerBase.restorePrompt(line)
let i = 0
while i < len(self.getPrompt()) && i < len(a:line) && self.getPrompt()[i] ==# a:line[i]
let i += 1
endwhile
return self.getPrompt() . a:line[i : ]
endfunction
"
function s:handlerBase.onCursorMovedI()
if !self.existsPrompt(getline('.'))
call setline('.', self.restorePrompt(getline('.')))
call feedkeys("\<End>", 'n')
elseif col('.') <= len(self.getPrompt())
" if the cursor is moved before command prompt
call feedkeys(repeat("\<Right>", len(self.getPrompt()) - col('.') + 1), 'n')
elseif col('.') > strlen(getline('.')) && col('.') != self.lastCol
" if the cursor is placed on the end of the line and has been actually moved.
let self.lastCol = col('.')
let self.lastPattern = self.removePrompt(getline('.'))
call feedkeys("\<C-x>\<C-o>", 'n')
endif
endfunction
"
function s:handlerBase.onInsertLeave()
unlet s:runningHandler
let tempVars = l9#tempvariables#getList(s:TEMP_VARIABLES_GROUP)
call l9#tempvariables#end(s:TEMP_VARIABLES_GROUP)
call s:deactivateFufBuffer()
call fuf#saveDataFile(self.getModeName(), 'stats', self.stats)
execute self.windowRestoringCommand
let fOpen = exists('s:reservedCommand')
if fOpen
call self.onOpen(s:reservedCommand[0], s:reservedCommand[1])
unlet s:reservedCommand
endif
call self.onModeLeavePost(fOpen)
if exists('self.reservedMode')
call l9#tempvariables#setList(s:TEMP_VARIABLES_GROUP, tempVars)
call fuf#launch(self.reservedMode, self.lastPattern, self.partialMatching)
endif
endfunction
"
function s:handlerBase.onCr(openType)
if pumvisible()
call feedkeys(printf("\<C-y>\<C-r>=fuf#getRunningHandler().onCr(%d) ? '' : ''\<CR>",
\ a:openType), 'n')
return
endif
if !empty(self.lastPattern)
call self.addStat(self.lastPattern, self.removePrompt(getline('.')))
endif
if !self.isOpenable(getline('.'))
" To clear i_<C-r> expression (fuf#getRunningHandler().onCr...)
echo ''
return
endif
let s:reservedCommand = [self.removePrompt(getline('.')), a:openType]
call feedkeys("\<Esc>", 'n') " stopinsert behavior is strange...
endfunction
"
function s:handlerBase.onBs()
call feedkeys((pumvisible() ? "\<C-e>\<BS>" : "\<BS>"), 'n')
endfunction
"
function s:getLastBlockLength(pattern, patternIsPath)
let separatorPos = strridx(a:pattern, g:fuf_patternSeparator)
if separatorPos >= 0
return len(a:pattern) - separatorPos
endif
if a:patternIsPath && a:pattern =~# '[/\\].'
return len(matchstr(a:pattern, '[^/\\]*.$'))
endif
return len(a:pattern)
endfunction
"
function s:handlerBase.onDeleteWord()
let pattern = self.removePrompt(getline('.')[ : col('.') - 2])
let numBs = s:getLastBlockLength(pattern, 1)
call feedkeys((pumvisible() ? "\<C-e>" : "") . repeat("\<BS>", numBs), 'n')
endfunction
"
function s:handlerBase.onPreviewBase(repeatable)
if self.getPreviewHeight() <= 0
return
elseif !pumvisible()
return
elseif !self.existsPrompt(getline('.'))
let word = self.removePrompt(getline('.'))
elseif !exists('self.lastFirstWord')
return
else
let word = self.lastFirstWord
endif
redraw
if a:repeatable && exists('self.lastPreviewInfo') && self.lastPreviewInfo.word ==# word
let self.lastPreviewInfo.count += 1
else
let self.lastPreviewInfo = {'word': word, 'count': 0}
endif
let lines = self.makePreviewLines(word, self.lastPreviewInfo.count)
let lines = lines[: self.getPreviewHeight() - 1]
call map(lines, 'substitute(v:val, "\t", repeat(" ", &tabstop), "g")')
call map(lines, 'strtrans(v:val)')
call map(lines, 'l9#snipTail(v:val, &columns - 1, s:ABBR_SNIP_MASK)')
echo join(lines, "\n")
endfunction
"
function s:handlerBase.onSwitchMode(shift)
let modes = copy(fuf#getModeNames())
call map(modes, '{ "ranks": [ fuf#{v:val}#getSwitchOrder(), v:val ] }')
call filter(modes, 'v:val.ranks[0] >= 0')
call sort(modes, 'fuf#compareRanks')
let self.reservedMode = self.getModeName()
for i in range(len(modes))
if modes[i].ranks[1] ==# self.getModeName()
let self.reservedMode = modes[(i + a:shift) % len(modes)].ranks[1]
break
endif
endfor
call feedkeys("\<Esc>", 'n') " stopinsert doesn't work.
endfunction
"
function s:handlerBase.onSwitchMatching()
let self.partialMatching = !self.partialMatching
let self.lastCol = -1
call setline('.', self.restorePrompt(self.lastPattern))
call feedkeys("\<End>", 'n')
"call self.onCursorMovedI()
endfunction
"
function s:handlerBase.onRecallPattern(shift)
let patterns = map(copy(self.stats), 'v:val.pattern')
if !exists('self.indexRecall')
let self.indexRecall = -1
endif
let self.indexRecall += a:shift
if self.indexRecall < 0
let self.indexRecall = -1
elseif self.indexRecall >= len(patterns)
let self.indexRecall = len(patterns) - 1
else
call setline('.', self.getPrompt() . patterns[self.indexRecall])
call feedkeys("\<End>", 'n')
endif
endfunction