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ultimate-vim/bundle/vim-snipmate/autoload/snipMate.vim
2014-10-13 21:54:40 +02:00

850 lines
25 KiB
VimL

" config which can be overridden (shared lines)
if !exists('g:snipMate')
let g:snipMate = {}
endif
try
call tlib#input#List('mi', '', [])
catch /.*/
echoe "you're missing tlib. See install instructions at ".expand('<sfile>:h:h').'/README.md'
endtry
" match $ which doesn't follow a \
let s:d = nr2char(31)
fun! Filename(...)
let filename = expand('%:t:r')
if filename == '' | return a:0 == 2 ? a:2 : '' | endif
return !a:0 || a:1 == '' ? filename : substitute(a:1, '$1', filename, 'g')
endf
let s:state_proto = {}
let s:cache = {}
fun! s:state_proto.remove()
unlet! b:snip_state
" Remove all buffer-local autocommands in the snipmate_changes group
au! snipmate_changes * <buffer>
endf
fun! snipMate#expandSnip(snip, col)
let lnum = line('.') | let col = a:col
let snippet = s:ProcessSnippet(a:snip)
" Avoid error if eval evaluates to nothing
if snippet == '' | return '' | endif
" Expand snippet onto current position with the tab stops removed
let snipLines = split(substitute(snippet, ''.s:d .'\d\+\|'.s:d .'{\d\+.\{-}}', '', 'g'), "\n", 1)
let line = getline(lnum)
let afterCursor = strpart(line, col - 1)
" Keep text after the cursor
if afterCursor != "\t" && afterCursor != ' '
let line = strpart(line, 0, col - 1)
let snipLines[-1] .= afterCursor
else
let afterCursor = ''
" For some reason the cursor needs to move one right after this
if line != '' && col == 1 && &ve != 'all' && &ve != 'onemore'
let col += 1
endif
endif
" Insert snippet with proper indentation
let indent = match(line, '\S\|$') + 1
call setline(lnum, line . snipLines[0])
call append(lnum, map(snipLines[1:], "empty(v:val) ? v:val : '" . strpart(line, 0, indent - 1) . "' . v:val"))
" Open any folds snippet expands into
if &fen | sil! exe lnum.','.(lnum + len(snipLines) - 1).'foldopen' | endif
let b:snip_state = copy(s:state_proto)
let [b:snip_state.stops, b:snip_state.stop_count] = s:BuildTabStops(snippet, lnum, col - indent, indent)
if b:snip_state.stop_count
aug snipmate_changes
au CursorMoved,CursorMovedI <buffer> if exists('b:snip_state') |
\ call b:snip_state.update_changes() |
\ else |
\ silent! au! snipmate_changes * <buffer> |
\ endif
aug END
call b:snip_state.set_stop(0)
let ret = b:snip_state.select_word()
if b:snip_state.stop_count == 1
call b:snip_state.remove()
endif
return ret
else
unlet b:snip_state
" Place cursor at end of snippet if no tab stop is given
let newlines = len(snipLines) - 1
call cursor(lnum + newlines, indent + len(snipLines[-1]) - len(afterCursor)
\ + (newlines ? 0: col - 1))
endif
return ''
endf
" Update state information to correspond to the given tab stop
function! s:state_proto.set_stop(stop)
let self.stop_no = a:stop
let self.cur_stop = self.stops[self.stop_no]
let self.end_col = self.cur_stop[1] + self.cur_stop[2]
let self.start_col = self.cur_stop[1]
call cursor(self.cur_stop[0], self.cur_stop[1])
let self.prev_len = col('$')
let self.has_vars = exists('self.cur_stop[3]')
let self.old_vars = self.has_vars ? deepcopy(self.cur_stop[3]) : []
endfunction
" Prepare snippet to be processed by s:BuildTabStops
fun! s:ProcessSnippet(snip)
let snippet = a:snip
let esc_bslash = '\%(\\\@<!\%(\\\\\)*\)\@<='
if exists('b:snipmate_content_visual')
let visual = b:snipmate_content_visual
unlet b:snipmate_content_visual
else
let visual = ''
endif
let snippet = substitute(snippet,'{VISUAL}', escape(visual,'%\'), 'g')
" Evaluate eval (`...`) expressions.
" Backquotes prefixed with a backslash "\" are ignored.
" And backslash can be escaped by doubling it.
" Using a loop here instead of a regex fixes a bug with nested "\=".
if stridx(snippet, '`') != -1
let new = []
let snip = split(snippet, esc_bslash . '`', 1)
let isexp = 0
for i in snip
if isexp
call add(new, substitute(eval(i), "\n\\%$", '', ''))
else
call add(new, i)
endif
let isexp = !isexp
endfor
let snippet = join(new, '')
let snippet = substitute(snippet, "\r", "\n", 'g')
let snippet = substitute(snippet, '\\`', "`", 'g')
endif
" Place all text after a colon in a tab stop after the tab stop
" (e.g. "${#:foo}" becomes "${:foo}foo").
" This helps tell the position of the tab stops later.
let snippet = substitute(snippet, esc_bslash . '\$\({\d\+:\(.\{-}\)}\|{\d\+}\)', s:d . '\1\2', 'g')
let snippet = substitute(snippet, esc_bslash . '\$\(\d\+\)', s:d . '\1', 'g')
let snippet = substitute(snippet, esc_bslash . '\\\$', '$', 'g')
let snippet = substitute(snippet, '\\\\', "\\", 'g')
" Update the a:snip so that all the $# become the text after
" the colon in their associated ${#}.
" (e.g. "${1:foo}" turns all "$1"'s into "foo")
let i = 1
while snippet =~ s:d.'{'.i
let s = matchstr(snippet, s:d.'{'.i.':\zs.\{-}\ze}')
if s != ''
let snippet = substitute(snippet, s:d.i, s.'&', 'g')
endif
let i += 1
endw
" Add ${0} tab stop if found
if snippet =~ s:d . '{0'
let snippet = substitute(snippet, s:d.'{0', s:d . '{' . i, '')
let s = matchstr(snippet, s:d.'{'.i.':\zs.\{-}\ze}')
if s != ''
let snippet = substitute(snippet, s:d.'0', s:d . i, 'g')
let snippet = substitute(snippet, s:d.i, s.'&', 'g')
endif
else
let snippet .= s:d . '{'.i.'}'
endif
if &et " Expand tabs to spaces if 'expandtab' is set.
return substitute(snippet, '\t', repeat(' ', (&sts > 0) ? &sts : &sw), 'g')
endif
return snippet
endf
" Counts occurences of haystack in needle
fun! s:Count(haystack, needle)
let counter = 0
let index = stridx(a:haystack, a:needle)
while index != -1
let index = stridx(a:haystack, a:needle, index+1)
let counter += 1
endw
return counter
endf
" Builds a list of a list of each tab stop in the snippet containing:
" 1.) The tab stop's line number.
" 2.) The tab stop's column number
" (by getting the length of the string between the last "\n" and the
" tab stop).
" 3.) The length of the text after the colon for the current tab stop
" (e.g. "${1:foo}" would return 3).
" 4.) If the "${#:}" construct is given, another list containing all
" the matches of "$#", to be replaced with the placeholder. This list is
" composed the same way as the parent; the first item is the line number,
" and the second is the column.
fun! s:BuildTabStops(snip, lnum, col, indent)
let snipPos = []
let i = 1
let withoutVars = substitute(a:snip, s:d . '\d\+', '', 'g')
while a:snip =~ s:d.'{'.i
let beforeTabStop = matchstr(withoutVars, '^.*\ze'.s:d .'{'.i.'\D')
let withoutOthers = substitute(withoutVars, ''.s:d .'{\('.i.'\D\)\@!\d\+.\{-}}', '', 'g')
let j = i - 1
call add(snipPos, [0, 0, 0])
let snipPos[j][0] = a:lnum + s:Count(beforeTabStop, "\n")
let snipPos[j][1] = a:indent + len(matchstr(withoutOthers, '.*\(\n\|^\)\zs.*\ze'.s:d .'{'.i.'\D'))
if snipPos[j][0] == a:lnum | let snipPos[j][1] += a:col | endif
" Get all $# matches in another list, if ${#:name} is given
if withoutVars =~ ''.s:d .'{'.i.':'
let snipPos[j][2] = len(matchstr(withoutVars, ''.s:d .'{'.i.':\zs.\{-}\ze}'))
let dots = repeat('.', snipPos[j][2])
call add(snipPos[j], [])
let withoutOthers = substitute(a:snip, ''.s:d .'{\d\+.\{-}}\|'.s:d .''.i.'\@!\d\+', '', 'g')
while match(withoutOthers, ''.s:d .''.i.'\(\D\|$\)') != -1
let beforeMark = matchstr(withoutOthers, '^.\{-}\ze'.dots.''.s:d .''.i.'\(\D\|$\)')
call add(snipPos[j][3], [0, 0])
let snipPos[j][3][-1][0] = a:lnum + s:Count(beforeMark, "\n")
let snipPos[j][3][-1][1] = a:indent + (snipPos[j][3][-1][0] > a:lnum
\ ? len(matchstr(beforeMark, '.*\n\zs.*'))
\ : a:col + len(beforeMark))
let withoutOthers = substitute(withoutOthers, ''.s:d .''.i.'\ze\(\D\|$\)', '', '')
endw
endif
let i += 1
endw
return [snipPos, i - 1]
endf
function! s:state_proto.jump_stop(backwards)
" Update changes just in case
" This seems to be only needed because insert completion does not trigger
" the CursorMovedI event
call self.update_changes()
" Update stop and var locations
call self.update_stops()
" Store the changed col/length of the current stop
let self.cur_stop[1] = self.start_col
let self.cur_stop[2] = self.end_col - self.start_col
let self.stop_no += a:backwards ? -1 : 1
" Loop over the snippet when going backwards from the beginning
if self.stop_no < 0 | let self.stop_no = self.stop_count - 1 | endif
call self.set_stop(self.stop_no)
let ret = self.select_word()
if self.stop_no == self.stop_count - 1
call self.remove()
endif
return ret
endfunction
" Updates tab stops/vars
function! s:state_proto.update_stops()
let changeLen = self.end_col - self.cur_stop[2] - self.start_col
" Update tab stops in snippet if text has been added via "$#"
" (e.g., in "${1:foo}bar$1${2}").
if changeLen != 0
let curLine = line('.')
for pos in self.stops
if pos == self.cur_stop | continue | endif
let changed = pos[0] == curLine && pos[1] > self.cur_stop[1]
let changedVars = 0
let endPlaceholder = pos[2] - 1 + pos[1]
" Subtract changeLen from each tab stop that was after any of
" the current tab stop's placeholders.
for [lnum, col] in self.old_vars
if lnum > pos[0] | break | endif
if pos[0] == lnum
if pos[1] > col || (pos[2] == -1 && pos[1] == col)
let changed += 1
elseif col < endPlaceholder
let changedVars += 1
endif
endif
endfor
let pos[1] += changeLen * changed
" Parse variables within placeholders, e.g., "${1:foo} ${2:$1bar}"
let pos[2] += changeLen * changedVars
" Do the same to any placeholders in the other tab stops.
if exists('pos[3]')
for nPos in pos[3]
let changed = nPos[0] == curLine && nPos[1] > self.start_col
if changed && nPos[1] < self.start_col + self.cur_stop[2]
call remove(pos, index(pos, nPos))
continue
endif
for [lnum, col] in self.old_vars
if lnum > nPos[0] | break | endif
if nPos[0] == lnum && nPos[1] > col
let changed += 1
endif
endfor
let nPos[1] += changeLen * changed
endfor
endif
endfor
endif
endfunction
" Select the placeholder for the current tab stop
function! s:state_proto.select_word()
let len = self.cur_stop[2]
if !len | return '' | endif
let l = col('.') != 1 ? 'l' : ''
if &sel == 'exclusive'
return "\<esc>".l.'v'.len."l\<c-g>"
endif
return len == 1 ? "\<esc>".l.'gh' : "\<esc>".l.'v'.(len - 1)."l\<c-g>"
endfunction
" Update the snippet as text is typed. The self.update_vars() function does
" the actual work.
" If the cursor moves outside of a placeholder, call self.remove()
function! s:state_proto.update_changes()
let change_len = col('$') - self.prev_len
let self.end_col += change_len
let col = col('.')
if mode() == 'i'
if line('.') != self.cur_stop[0]
\ || col < self.start_col || col > self.end_col
call self.remove()
elseif self.has_vars
call self.update_vars(change_len)
endif
endif
let self.prev_len = col('$')
endfunction
" Actually update the vars for any changed text
function! s:state_proto.update_vars(change)
let newWordLen = self.end_col - self.start_col
let newWord = strpart(getline('.'), self.start_col - 1, newWordLen)
let changeLen = a:change
let curLine = line('.')
let curCol = col('.')
let oldStartSnip = self.start_col
let updateTabStops = changeLen != 0
let i = 0
for [lnum, col] in self.cur_stop[3]
if updateTabStops
let start = self.start_col
if lnum == curLine && col <= start
let self.start_col += changeLen
let self.end_col += changeLen
endif
for nPos in self.cur_stop[3][(i):]
" This list is in ascending order, so quit if we've gone too far.
if nPos[0] > lnum | break | endif
if nPos[0] == lnum && nPos[1] > col
let nPos[1] += changeLen
endif
endfor
if lnum == curLine && col > start
let col += changeLen
let self.cur_stop[3][i][1] = col
endif
let i += 1
endif
" Split the line into three parts: the mirror, what's before it, and
" what's after it. Then combine them using the new mirror string.
" Subtract one to go from column index to byte index
let theline = getline(lnum)
let update = strpart(theline, 0, col - 1)
let update .= newWord
let update .= strpart(theline, col + self.end_col - self.start_col - a:change - 1)
call setline(lnum, update)
endfor
" Reposition the cursor in case a var updates on the same line but before
" the current tabstop
if oldStartSnip != self.start_col || mode() == 'i'
call cursor(0, curCol + self.start_col - oldStartSnip)
endif
endfunction
" reads a .snippets file
" returns list of
" ['triggername', 'name', 'contents']
" if triggername is not set 'default' is assumed
" TODO: better error checking
fun! snipMate#ReadSnippetsFile(file)
let result = []
let new_scopes = []
if !filereadable(a:file) | return [result, new_scopes] | endif
let inSnip = 0
let line_no = 0
for line in readfile(a:file) + ["\n"]
let line_no += 1
if inSnip && (line[0] == "\t" || line == '')
let content .= strpart(line, 1)."\n"
continue
elseif inSnip
call add(result, [trigger, name == '' ? 'default' : name, content[:-2]])
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 = ''
if trigger =~ '^\s*$' " discard snippets with empty triggers
echom 'Invalid snippet in' a:file 'near line' line_no
let inSnip = 0
endif
elseif line[:6] == 'extends'
call extend(new_scopes, map(split(strpart(line, 8)),
\ "substitute(v:val, ',*$', '', '')"))
endif
endfor
return [result, new_scopes]
endf
function! s:GetScopes()
let ret = exists('b:snipMate.scope_aliases') ? copy(b:snipMate.scope_aliases) : {}
let global = get(g:snipMate, 'scope_aliases', {})
for alias in keys(global)
if has_key(ret, alias)
let ret[alias] = join(split(ret[alias], ',')
\ + split(global[alias], ','), ',')
else
let ret[alias] = global[alias]
endif
endfor
return ret
endfunction
" adds scope aliases to list.
" returns new list
" the aliases of aliases are added recursively
fun! s:AddScopeAliases(list)
let did = {}
let scope_aliases = s:GetScopes()
let new = a:list
let new2 = []
while !empty(new)
for i in new
if !has_key(did, i)
let did[i] = 1
call extend(new2, split(get(scope_aliases,i,''),','))
endif
endfor
let new = new2
let new2 = []
endwhile
return keys(did)
endf
if v:version < 704 || has('win32')
function! s:Glob(path, expr)
let res = []
for p in split(a:path, ',')
let h = split(fnamemodify(a:expr, ':h'), '/')[0]
if isdirectory(p . '/' . h)
call extend(res, split(glob(p . '/' . a:expr), "\n"))
endif
endfor
return filter(res, 'filereadable(v:val)')
endfunction
else
function! s:Glob(path, expr)
return split(globpath(a:path, a:expr), "\n")
endfunction
endif
" returns dict of
" { path: { 'type': one of 'snippet' 'snippets',
" 'exists': 1 or 0
" " for single snippet files:
" 'name': name of snippet
" 'trigger': trigger of snippet
" }
" }
" use mustExist = 1 to return existing files only
"
" mustExist = 0 is used by OpenSnippetFiles
function! snipMate#GetSnippetFiles(mustExist, scopes, trigger)
let paths = join(funcref#Call(g:snipMate.snippet_dirs), ',')
let result = {}
let scopes = s:AddScopeAliases(a:scopes)
let trigger = escape(a:trigger, "*[]?{}`'$")
" collect existing files
for scope in scopes
for f in s:Glob(paths, 'snippets/' . scope . '.snippets') +
\ s:Glob(paths, 'snippets/' . scope . '_*.snippets') +
\ s:Glob(paths, 'snippets/' . scope . '/*.snippets')
let result[f] = { 'exists' : 1, 'type' : 'snippets',
\ 'name_prefix' : fnamemodify(f, ':t:r') }
endfor
" We check for trigger* in the next two loops. In the case of an exact
" match, that'll be handled in snipMate#GetSnippetsForWordBelowCursor.
for f in s:Glob(paths, 'snippets/' . scope . '/' . trigger . '*.snippet')
let result[f] = {'exists': 1, 'type': 'snippet', 'name': 'default',
\ 'trigger': fnamemodify(f, ':t:r'), 'name_prefix' : scope }
endfor
for f in s:Glob(paths, 'snippets/' . scope . '/' . trigger . '*/*.snippet')
let result[f] = {'exists': 1, 'type': 'snippet', 'name' : fnamemodify(f, ':t:r'),
\ 'trigger': fnamemodify(f, ':h:t'), 'name_prefix' : scope }
endfor
if !a:mustExist
for p in split(paths, ',')
let p .= '/snippets/' . scope . '.snippets'
let result[p] = get(result, p, {'exists': 0, 'type': 'snippets'})
endfor
endif
endfor
return result
endfunction
" should be moved to utils or such?
function! snipMate#SetByPath(dict, trigger, path, snippet) abort
let d = a:dict
if !has_key(d, a:trigger)
let d[a:trigger] = {}
endif
let d[a:trigger][a:path] = a:snippet
endfunction
function! s:CachedSnips(file)
let mtime = getftime(a:file)
if has_key(s:cache, a:file) && s:cache[a:file].mtime >= mtime
return s:cache[a:file].contents
endif
let s:cache[a:file] = {}
let s:cache[a:file].mtime = mtime
let s:cache[a:file].contents = snipMate#ReadSnippetsFile(a:file)
return s:cache[a:file].contents
endfunction
" default triggers based on paths
function! snipMate#DefaultPool(scopes, trigger, result)
let extra_scopes = []
for [f,opts] in items(snipMate#GetSnippetFiles(1, a:scopes, a:trigger))
let opts.name_prefix = matchstr(f, '\v/\zs.{-}\ze/snippets') . ' ' . opts.name_prefix
if opts.type == 'snippets'
let [snippets, new_scopes] = s:CachedSnips(f)
call extend(extra_scopes, new_scopes)
for [trigger, name, contents] in snippets
if trigger =~ '\V\^' . escape(a:trigger, '\')
call snipMate#SetByPath(a:result, trigger,
\ opts.name_prefix . ' ' . name, contents)
endif
endfor
elseif opts.type == 'snippet'
call snipMate#SetByPath(a:result, opts.trigger,
\ opts.name_prefix . ' ' . opts.name, readfile(f))
else
throw "unexpected"
endif
endfor
if !empty(extra_scopes)
call snipMate#DefaultPool(extra_scopes, a:trigger, a:result)
endif
endfunction
" return a dict of snippets found in runtimepath matching trigger
" scopes: list of scopes. usually this is the filetype. eg ['c','cpp']
" trigger may contain glob patterns. Thus use '*' to get all triggers
"
fun! snipMate#GetSnippets(scopes, trigger)
let result = {}
for F in values(g:snipMateSources)
call funcref#Call(F, [a:scopes, a:trigger, result])
endfor
return result
endf
" adds leading tab
" and replaces leading spaces by tabs
" see ftplugin/snippet.vim
fun! snipMate#RetabSnip() range
let leadingTab = expand('%:e') == 'snippets'
let lines = getline(a:firstline, a:lastline)
" remove leading "\t"
let allIndented = 1
for l in lines
if l[0] != '\t' | let allIndented = 0 | endif
endfor
" retab
if allIndented
call map(lines, 'v:val[1:]')
endif
let leadingSp = filter(map(copy(lines),'matchstr(v:val,"^\\s*") '),'v:val !=""')
if !empty(leadingSp)
" lines containing leading spaces found
let smallestInd = len(sort(leadingSp)[-1])
let ind = input('retab, spaces per tab: ', smallestInd)
for i in range(0, len(lines)-1)
let ml = matchlist(lines[i], '^\(\s*\)\(.*\)')
let lines[i] = repeat("\t", len(ml[1]) / ind)
\ . repeat( " ", len(ml[1]) % ind)
\ . ml[2]
endfor
endif
" readd tab
let tab = leadingTab ? "\t" : ""
for i in range(0,len(lines)-1)
call setline(a:firstline + i, tab.lines[i])
endfor
endf
fun! snipMate#OpenSnippetFiles()
let dict = snipMate#GetSnippetFiles(0, snipMate#ScopesByFile(), '*')
" sort by files wether they exist - put existing files first
let exists = []
let notExists = []
for [file, v] in items(dict)
let v['file'] = file
if v['exists']
call add(exists, v)
else
call add(notExists, v)
endif
endfor
let all = exists + notExists
let show = map(copy(all),'(v:val["exists"] ? "exists:" : "does not exist yet:")." ".v:val["file"]')
let select = tlib#input#List('mi', 'select files to be opened in splits', show)
for idx in select
exec 'sp '.all[idx - 1]['file']
endfor
endf
fun! snipMate#ScopesByFile()
" duplicates are removed in AddScopeAliases
return filter(funcref#Call(g:snipMate.get_scopes), "v:val != ''")
endf
" used by both: completion and insert snippet
fun! snipMate#GetSnippetsForWordBelowCursor(word, exact)
" Setup lookups: '1.2.3' becomes [1.2.3] + [3, 2.3]
let parts = split(a:word, '\W\zs')
if len(parts) > 2
let parts = parts[-2:] " max 2 additional items, this might become a setting
endif
let lookups = [a:word]
let lookup = ''
for w in reverse(parts)
let lookup = w . lookup
if index(lookups, lookup) == -1
call add(lookups, lookup)
endif
endfor
" allow matching '.'
if a:word =~ '\.$'
call add(lookups, '.')
endif
" Remove empty lookup entries, but only if there are other nonempty lookups
if len(lookups) > 1
call filter(lookups, 'v:val != ""')
endif
let matching_snippets = []
let snippet = ''
" prefer longest word
for word in lookups
let g:snipMate.word = word
for [k,snippetD] in items(funcref#Call(g:snipMate['get_snippets'], [snipMate#ScopesByFile(), word]))
" hack: require exact match
if a:exact && k !=# word
continue
endif
call add(matching_snippets, [k, snippetD])
if a:exact
break
endif
endfor
endfor
return matching_snippets
endf
" snippets: dict containing snippets by name
" usually this is just {'default' : snippet_contents }
fun! s:ChooseSnippet(snippets)
let snippet = []
let keys = keys(a:snippets)
let i = 1
for snip in keys
let snippet += [i.'. '.snip]
let i += 1
endfor
if len(snippet) == 1
" there's only a single snippet, choose it
let idx = 0
else
let idx = tlib#input#List('si','select snippet by name',snippet) -1
if idx == -1
return ''
endif
endif
" if a:snippets[..] is a String Call returns it
" If it's a function or a function string the result is returned
return funcref#Call(a:snippets[keys(a:snippets)[idx]])
endf
fun! snipMate#WordBelowCursor()
return matchstr(getline('.'), '\S\+\%' . col('.') . 'c')
endf
fun! snipMate#GetSnippetsForWordBelowCursorForComplete(word)
let snippets = map(snipMate#GetSnippetsForWordBelowCursor(a:word, 0), 'v:val[0]')
return filter(snippets, 'v:val =~# "\\V\\^' . escape(a:word, '"\') . '"')
endf
fun! snipMate#CanBeTriggered()
let word = snipMate#WordBelowCursor()
let matches = snipMate#GetSnippetsForWordBelowCursorForComplete(word)
return len(matches) > 0
endf
fun! snipMate#ShowAvailableSnips()
let col = col('.')
let word = snipMate#WordBelowCursor()
let matches = snipMate#GetSnippetsForWordBelowCursorForComplete(word)
" Pretty hacky, but really can't have the tab swallowed!
if len(matches) == 0
call feedkeys(g:snipMate['no_match_completion_feedkeys_chars'], 'n')
return ""
endif
call complete(col - len(word), sort(matches))
return ''
endf
" Pass an argument to force snippet expansion instead of triggering or jumping
function! snipMate#TriggerSnippet(...)
if exists('g:SuperTabMappingForward')
if g:SuperTabMappingForward == "<tab>"
let SuperTabPlug = maparg('<Plug>SuperTabForward', 'i')
if SuperTabPlug == ""
let SuperTabKey = "\<c-n>"
else
exec "let SuperTabKey = \"" . escape(SuperTabPlug, '<') . "\""
endif
elseif g:SuperTabMappingBackward == "<tab>"
let SuperTabPlug = maparg('<Plug>SuperTabBackward', 'i')
if SuperTabPlug == ""
let SuperTabKey = "\<c-p>"
else
exec "let SuperTabKey = \"" . escape(SuperTabPlug, '<') . "\""
endif
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('b:snip_state') && a:0 == 0 " Jump only if no arguments
let jump = b:snip_state.jump_stop(0)
if type(jump) == 1 " returned a string
return jump
endif
endif
let word = matchstr(getline('.'), '\S\+\%'.col('.').'c')
let list = snipMate#GetSnippetsForWordBelowCursor(word, 1)
if empty(list)
let snippet = ''
else
let [trigger, snippetD] = list[0]
let s = s:ChooseSnippet(snippetD)
if type(s) == type([])
let snippet = join(s, "\n")
else
let snippet = s
end
" Before expanding snippet, create new undo point |i_CTRL-G|
let &undolevels = &undolevels
let col = col('.') - len(trigger)
sil exe 's/\V'.escape(trigger, '/\.').'\%#//'
return snipMate#expandSnip(snippet, col)
endif
" should allow other plugins to register hooks instead (duplicate code)
if exists('SuperTabKey')
call feedkeys(SuperTabKey)
return ''
endif
return word == ''
\ ? "\<tab>"
\ : "\<c-r>=snipMate#ShowAvailableSnips()\<cr>"
endfunction
fun! snipMate#BackwardsSnippet()
if exists('b:snip_state') | return b:snip_state.jump_stop(1) | endif
if exists('g:SuperTabMappingForward')
if g:SuperTabMappingForward == "<s-tab>"
let SuperTabPlug = maparg('<Plug>SuperTabForward', 'i')
if SuperTabPlug == ""
let SuperTabKey = "\<c-n>"
else
exec "let SuperTabKey = \"" . escape(SuperTabPlug, '<') . "\""
endif
elseif g:SuperTabMappingBackward == "<s-tab>"
let SuperTabPlug = maparg('<Plug>SuperTabBackward', 'i')
if SuperTabPlug == ""
let SuperTabKey = "\<c-p>"
else
exec "let SuperTabKey = \"" . escape(SuperTabPlug, '<') . "\""
endif
endif
endif
" should allow other plugins to register hooks instead (duplicate code)
if exists('SuperTabKey')
call feedkeys(SuperTabKey)
return ''
endif
return "\<s-tab>"
endf
" vim:noet:sw=4:ts=4:ft=vim