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- " File: snipMate.vim
- " Author: Michael Sanders
- " Last Updated: July 13, 2009
- " Version: 0.83
- " Description: snipMate.vim implements some of TextMate's snippets features in
- " Vim. A snippet is a piece of often-typed text that you can
- " insert into your document using a trigger word followed by a "<tab>".
- "
- " For more help see snipMate.txt; you can do this by using:
- " :helptags ~/.vim/doc
- " :h snipMate.txt
- if exists('loaded_snips') || &cp || version < 700
- finish
- endif
- let loaded_snips = 1
- if !exists('snips_author') | let snips_author = 'Me' | endif
- au BufRead,BufNewFile *.snippets\= set ft=snippet
- au FileType snippet setl noet fdm=indent
- let s:snippets = {} | let s:multi_snips = {}
- if !exists('snippets_dir')
- let snippets_dir = substitute(globpath(&rtp, 'snippets/'), "\n", ',', 'g')
- endif
- fun! MakeSnip(scope, trigger, content, ...)
- let multisnip = a:0 && a:1 != ''
- let var = multisnip ? 's:multi_snips' : 's:snippets'
- if !has_key({var}, a:scope) | let {var}[a:scope] = {} | endif
- if !has_key({var}[a:scope], a:trigger)
- let {var}[a:scope][a:trigger] = multisnip ? [[a:1, a:content]] : a:content
- elseif multisnip | let {var}[a:scope][a:trigger] += [[a:1, a:content]]
- else
- echom 'Warning in snipMate.vim: Snippet '.a:trigger.' is already defined.'
- \ .' See :h multi_snip for help on snippets with multiple matches.'
- endif
- endf
- fun! ExtractSnips(dir, ft)
- for path in split(globpath(a:dir, '*'), "\n")
- if isdirectory(path)
- let pathname = fnamemodify(path, ':t')
- for snipFile in split(globpath(path, '*.snippet'), "\n")
- call s:ProcessFile(snipFile, a:ft, pathname)
- endfor
- elseif fnamemodify(path, ':e') == 'snippet'
- call s:ProcessFile(path, a:ft)
- endif
- endfor
- endf
- " Processes a single-snippet file; optionally add the name of the parent
- " directory for a snippet with multiple matches.
- fun s:ProcessFile(file, ft, ...)
- let keyword = fnamemodify(a:file, ':t:r')
- if keyword == '' | return | endif
- try
- let text = join(readfile(a:file), "\n")
- catch /E484/
- echom "Error in snipMate.vim: couldn't read file: ".a:file
- endtry
- return a:0 ? MakeSnip(a:ft, a:1, text, keyword)
- \ : MakeSnip(a:ft, keyword, text)
- endf
- fun! ExtractSnipsFile(file, ft)
- if !filereadable(a:file) | return | endif
- let text = readfile(a:file)
- let inSnip = 0
- for line in text + ["\n"]
- if inSnip && (line[0] == "\t" || line == '')
- let content .= strpart(line, 1)."\n"
- continue
- elseif inSnip
- call MakeSnip(a:ft, trigger, content[:-2], name)
- let inSnip = 0
- endif
- if line[:6] == 'snippet'
- let inSnip = 1
- let trigger = strpart(line, 8)
- let name = ''
- let space = stridx(trigger, ' ') + 1
- if space " Process multi snip
- let name = strpart(trigger, space)
- let trigger = strpart(trigger, 0, space - 1)
- endif
- let content = ''
- endif
- endfor
- endf
- fun! ResetSnippets()
- let s:snippets = {} | let s:multi_snips = {} | let g:did_ft = {}
- endf
- let g:did_ft = {}
- fun! GetSnippets(dir, filetypes)
- for ft in split(a:filetypes, '\.')
- if has_key(g:did_ft, ft) | continue | endif
- call s:DefineSnips(a:dir, ft, ft)
- if ft == 'objc' || ft == 'cpp' || ft == 'cs'
- call s:DefineSnips(a:dir, 'c', ft)
- elseif ft == 'xhtml'
- call s:DefineSnips(a:dir, 'html', 'xhtml')
- endif
- let g:did_ft[ft] = 1
- endfor
- endf
- " Define "aliasft" snippets for the filetype "realft".
- fun s:DefineSnips(dir, aliasft, realft)
- for path in split(globpath(a:dir, a:aliasft.'/')."\n".
- \ globpath(a:dir, a:aliasft.'-*/'), "\n")
- call ExtractSnips(path, a:realft)
- endfor
- for path in split(globpath(a:dir, a:aliasft.'.snippets')."\n".
- \ globpath(a:dir, a:aliasft.'-*.snippets'), "\n")
- call ExtractSnipsFile(path, a:realft)
- endfor
- endf
- fun! TriggerSnippet()
- if exists('g:SuperTabMappingForward')
- if g:SuperTabMappingForward == "<tab>"
- let SuperTabKey = "\<c-n>"
- elseif g:SuperTabMappingBackward == "<tab>"
- let SuperTabKey = "\<c-p>"
- endif
- endif
- if pumvisible() " Update snippet if completion is used, or deal with supertab
- if exists('SuperTabKey')
- call feedkeys(SuperTabKey) | return ''
- endif
- call feedkeys("\<esc>a", 'n') " Close completion menu
- call feedkeys("\<tab>") | return ''
- endif
- if exists('g:snipPos') | return snipMate#jumpTabStop(0) | endif
- let word = matchstr(getline('.'), '\S\+\%'.col('.').'c')
- for scope in [bufnr('%')] + split(&ft, '\.') + ['_']
- let [trigger, snippet] = s:GetSnippet(word, scope)
- " If word is a trigger for a snippet, delete the trigger & expand
- " the snippet.
- if snippet != ''
- let col = col('.') - len(trigger)
- sil exe 's/\V'.escape(trigger, '/.').'\%#//'
- return snipMate#expandSnip(snippet, col)
- endif
- endfor
- if exists('SuperTabKey')
- call feedkeys(SuperTabKey)
- return ''
- endif
- return "\<tab>"
- endf
- fun! BackwardsSnippet()
- if exists('g:snipPos') | return snipMate#jumpTabStop(1) | endif
- if exists('g:SuperTabMappingForward')
- if g:SuperTabMappingBackward == "<s-tab>"
- let SuperTabKey = "\<c-p>"
- elseif g:SuperTabMappingForward == "<s-tab>"
- let SuperTabKey = "\<c-n>"
- endif
- endif
- if exists('SuperTabKey')
- call feedkeys(SuperTabKey)
- return ''
- endif
- return "\<s-tab>"
- endf
- " Check if word under cursor is snippet trigger; if it isn't, try checking if
- " the text after non-word characters is (e.g. check for "foo" in "bar.foo")
- fun s:GetSnippet(word, scope)
- let word = a:word | let snippet = ''
- while snippet == ''
- if exists('s:snippets["'.a:scope.'"]["'.escape(word, '\"').'"]')
- let snippet = s:snippets[a:scope][word]
- elseif exists('s:multi_snips["'.a:scope.'"]["'.escape(word, '\"').'"]')
- let snippet = s:ChooseSnippet(a:scope, word)
- if snippet == '' | break | endif
- else
- if match(word, '\W') == -1 | break | endif
- let word = substitute(word, '.\{-}\W', '', '')
- endif
- endw
- if word == '' && a:word != '.' && stridx(a:word, '.') != -1
- let [word, snippet] = s:GetSnippet('.', a:scope)
- endif
- return [word, snippet]
- endf
- fun s:ChooseSnippet(scope, trigger)
- let snippet = []
- let i = 1
- for snip in s:multi_snips[a:scope][a:trigger]
- let snippet += [i.'. '.snip[0]]
- let i += 1
- endfor
- if i == 2 | return s:multi_snips[a:scope][a:trigger][0][1] | endif
- let num = inputlist(snippet) - 1
- return num == -1 ? '' : s:multi_snips[a:scope][a:trigger][num][1]
- endf
- fun! ShowAvailableSnips()
- let line = getline('.')
- let col = col('.')
- let word = matchstr(getline('.'), '\S\+\%'.col.'c')
- let words = [word]
- if stridx(word, '.')
- let words += split(word, '\.', 1)
- endif
- let matchlen = 0
- let matches = []
- for scope in [bufnr('%')] + split(&ft, '\.') + ['_']
- let triggers = has_key(s:snippets, scope) ? keys(s:snippets[scope]) : []
- if has_key(s:multi_snips, scope)
- let triggers += keys(s:multi_snips[scope])
- endif
- for trigger in triggers
- for word in words
- if word == ''
- let matches += [trigger] " Show all matches if word is empty
- elseif trigger =~ '^'.word
- let matches += [trigger]
- let len = len(word)
- if len > matchlen | let matchlen = len | endif
- endif
- endfor
- endfor
- endfor
- " This is to avoid a bug with Vim when using complete(col - matchlen, matches)
- " (Issue#46 on the Google Code snipMate issue tracker).
- call setline(line('.'), substitute(line, repeat('.', matchlen).'\%'.col.'c', '', ''))
- call complete(col, matches)
- return ''
- endf
- " vim:noet:sw=4:ts=4:ft=vim
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