199 lines
4.9 KiB
VimL
199 lines
4.9 KiB
VimL
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"=============================================================================
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" Copyright (c) 2007-2010 Takeshi NISHIDA
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"
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"=============================================================================
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" LOAD GUARD {{{1
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if !l9#guardScriptLoading(expand('<sfile>:p'), 0, 0, [])
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finish
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endif
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" }}}1
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"=============================================================================
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" GLOBAL FUNCTIONS {{{1
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"
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function fuf#help#createHandler(base)
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return a:base.concretize(copy(s:handler))
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endfunction
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"
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function fuf#help#getSwitchOrder()
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return g:fuf_help_switchOrder
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endfunction
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"
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function fuf#help#getEditableDataNames()
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return []
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endfunction
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"
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function fuf#help#renewCache()
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let s:cache = {}
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endfunction
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"
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function fuf#help#requiresOnCommandPre()
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return 0
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endfunction
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"
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function fuf#help#onInit()
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call fuf#defineLaunchCommand('FufHelp' , s:MODE_NAME, '""', [])
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call fuf#defineLaunchCommand('FufHelpWithCursorWord', s:MODE_NAME, 'expand(''<cword>'')', [])
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endfunction
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" }}}1
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"=============================================================================
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" LOCAL FUNCTIONS/VARIABLES {{{1
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let s:MODE_NAME = expand('<sfile>:t:r')
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"
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function s:getCurrentHelpTagFiles()
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let prefix = 'doc' . l9#getPathSeparator()
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let tagFiles = split(globpath(&runtimepath, prefix . 'tags' ), "\n")
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\ + split(globpath(&runtimepath, prefix . 'tags-??'), "\n")
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return sort(map(tagFiles, 'fnamemodify(v:val, ":p")'))
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endfunction
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"
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function s:parseHelpTagEntry(line, tagFile)
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let elements = split(a:line, "\t")
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if len(elements) != 3 || elements[0][0] ==# '!'
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return {}
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endif
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let suffix = matchstr(a:tagFile, '-\zs..$')
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if empty(suffix)
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let suffix = '@en'
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else
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let suffix = '@' . suffix
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endif
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let dir = fnamemodify(a:tagFile, ':h') . l9#getPathSeparator()
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return {
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\ 'word' : elements[0] . suffix,
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\ 'path' : dir . elements[1],
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\ 'pattern': elements[2][1:],
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\ }
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endfunction
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"
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function s:getHelpTagEntries(tagFile)
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let names = map(l9#readFile(a:tagFile), 's:parseHelpTagEntry(v:val, a:tagFile)')
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return filter(names, '!empty(v:val)')
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endfunction
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"
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function s:parseHelpTagFiles(tagFiles, key)
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let cacheName = 'cache-' . l9#hash224(a:key)
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let cacheTime = fuf#getDataFileTime(s:MODE_NAME, cacheName)
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if cacheTime != -1 && fuf#countModifiedFiles(a:tagFiles, cacheTime) == 0
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return fuf#loadDataFile(s:MODE_NAME, cacheName)
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endif
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let items = l9#unique(l9#concat(map(copy(a:tagFiles), 's:getHelpTagEntries(v:val)')))
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let items = map(items, 'extend(v:val, fuf#makeNonPathItem(v:val.word, ""))')
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call fuf#mapToSetSerialIndex(items, 1)
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let items = map(items, 'fuf#setAbbrWithFormattedWord(v:val, 1)')
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call fuf#saveDataFile(s:MODE_NAME, cacheName, items)
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return items
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endfunction
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"
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function s:enumHelpTags(tagFiles)
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if !len(a:tagFiles)
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return []
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endif
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let key = join([g:fuf_ignoreCase] + a:tagFiles, "\n")
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if !exists('s:cache[key]') || fuf#countModifiedFiles(a:tagFiles, s:cache[key].time)
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let s:cache[key] = {
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\ 'time' : localtime(),
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\ 'items' : s:parseHelpTagFiles(a:tagFiles, key)
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\ }
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endif
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return s:cache[key].items
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endfunction
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"
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function s:getMatchingIndex(lines, pattern)
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if empty(a:pattern)
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return -1
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endif
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for i in range(len(a:lines))
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if stridx(a:lines[i], a:pattern) >= 0
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return i
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endif
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endfor
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return -1
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endfunction
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" }}}1
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"=============================================================================
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" s:handler {{{1
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let s:handler = {}
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"
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function s:handler.getModeName()
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return s:MODE_NAME
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endfunction
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"
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function s:handler.getPrompt()
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return fuf#formatPrompt(g:fuf_help_prompt, self.partialMatching, '')
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endfunction
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"
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function s:handler.getPreviewHeight()
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return g:fuf_previewHeight
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endfunction
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"
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function s:handler.isOpenable(enteredPattern)
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return 1
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endfunction
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"
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function s:handler.makePatternSet(patternBase)
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return fuf#makePatternSet(a:patternBase, 's:interpretPrimaryPatternForNonPath',
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\ self.partialMatching)
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endfunction
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"
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function s:handler.makePreviewLines(word, count)
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let items = filter(copy(s:enumHelpTags(self.tagFiles)), 'v:val.word ==# a:word')
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if empty(items)
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return []
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endif
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let lines = fuf#getFileLines(items[0].path)
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let index = s:getMatchingIndex(lines, items[0].pattern)
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return [items[0].path . ':'] + fuf#makePreviewLinesAround(
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\ lines, (index < 0 ? [] : [index]), a:count, self.getPreviewHeight() - 1)
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endfunction
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"
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function s:handler.getCompleteItems(patternPrimary)
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return s:enumHelpTags(self.tagFiles)
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endfunction
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"
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function s:handler.onOpen(word, mode)
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call fuf#openHelp(a:word, a:mode)
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endfunction
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"
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function s:handler.onModeEnterPre()
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let self.tagFiles = s:getCurrentHelpTagFiles()
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endfunction
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"
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function s:handler.onModeEnterPost()
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endfunction
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"
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function s:handler.onModeLeavePost(opened)
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endfunction
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" }}}1
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"=============================================================================
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" vim: set fdm=marker:
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