648 lines
18 KiB
VimL
648 lines
18 KiB
VimL
" config which can be overridden (shared lines)
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if !exists('g:snipMate')
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let g:snipMate = {}
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endif
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try
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call tlib#input#List('mi', '', [])
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catch /.*/
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echoe "tlib is missing. See install instructions at ".expand('<sfile>:h:h').'/README.md'
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endtry
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fun! Filename(...) abort
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let filename = expand('%:t:r')
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if filename == '' | return a:0 == 2 ? a:2 : '' | endif
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return !a:0 || a:1 == '' ? filename : substitute(a:1, '$1', filename, 'g')
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endf
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let s:cache = {}
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function! snipMate#expandSnip(snip, version, col) abort
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let lnum = line('.')
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let col = a:col
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let line = getline(lnum)
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let indent = match(line, '\S\|$') + 1
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let b:snip_state = snipmate#jumping#state()
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if a:version == 1
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let [snippet, b:snip_state.stops] = snipmate#parse#snippet(a:snip)
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" Build stop/mirror info
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let b:snip_state.stop_count = s:build_stops(snippet, b:snip_state.stops, lnum, col, indent)
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else
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let snippet = snipmate#legacy#process_snippet(a:snip)
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let [b:snip_state.stops, b:snip_state.stop_count] = snipmate#legacy#build_stops(snippet, lnum, col - indent, indent)
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endif
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" Abort if the snippet is empty
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if empty(snippet)
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return ''
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endif
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let col = s:insert_snippet_text(snippet, lnum, col, indent)
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" Open any folds snippet expands into
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if &foldenable
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silent! exec lnum . ',' . (lnum + len(snipLines) - 1) . 'foldopen'
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endif
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aug snipmate_changes
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au CursorMoved,CursorMovedI <buffer> if exists('b:snip_state') |
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\ call b:snip_state.update_changes() |
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\ else |
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\ silent! au! snipmate_changes * <buffer> |
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\ endif
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aug END
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let b:snip_state.stop_no = 0
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return b:snip_state.set_stop(0)
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endfunction
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function! s:insert_snippet_text(snippet, lnum, col, indent)
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let line = getline(a:lnum)
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let col = a:col
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let snippet = type(a:snippet) == type([]) ? a:snippet : split(a:snippet, "\n", 1)
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let lnum = a:lnum
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" Keep text after the cursor
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let afterCursor = strpart(line, col - 1)
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if afterCursor != "\t" && afterCursor != ' '
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let line = strpart(line, 0, col - 1)
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else
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let afterCursor = ''
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" For some reason the cursor needs to move one right after this
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if line != '' && col == 1 && &ve != 'all' && &ve != 'onemore'
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let col += 1
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endif
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endif
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call setline(lnum, '')
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call append(lnum, repeat([''], len(snippet) - 1))
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for item in snippet
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let add = lnum == a:lnum ? line : strpart(line, 0, a:indent - 1)
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if !(empty(item) || (type(item) == type([]) && empty(item[0])))
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if type(item) == type([])
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call setline(lnum, add .
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\ snipMate#sniplist_str(item, b:snip_state.stops))
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else
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call setline(lnum, add .
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\ substitute(item, printf('%s\d\+\|%s{\d\+.\{-}}',
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\ g:snipmate#legacy#sigil, g:snipmate#legacy#sigil),
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\ '', 'g'))
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endif
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endif
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let lnum += 1
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endfor
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call setline(lnum - 1, getline(lnum - 1) . afterCursor)
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return col
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endfunction
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function! snipMate#placeholder_str(num, stops) abort
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return snipMate#sniplist_str(a:stops[a:num].placeholder, a:stops)
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endfunction
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function! snipMate#sniplist_str(snippet, stops) abort
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let str = ''
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let pos = 0
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let add_to = 1
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let seen_stops = []
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while pos < len(a:snippet)
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let item = a:snippet[pos]
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if type(item) == type('')
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let str .= item
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elseif type(item) == type([])
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let placeholder = snipMate#placeholder_str(item[0], a:stops)
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if len(item) > 1 && type(item[1]) == type({})
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let placeholder = substitute(placeholder,
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\ get(item[1], 'pat', ''),
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\ get(item[1], 'sub', ''),
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\ get(item[1], 'flags', ''))
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endif
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let str .= placeholder
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endif
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let pos += 1
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unlet item " avoid E706
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endwhile
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return str
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endfunction
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function! s:build_stops(snippet, stops, lnum, col, indent) abort
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let stops = a:stops
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let lnum = a:lnum
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let col = a:col
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for line in a:snippet
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let col = s:build_loc_info(line, stops, lnum, col, [])
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if line isnot a:snippet[-1]
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let lnum += 1
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let col = a:indent
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endif
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endfor
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" add zero tabstop if it doesn't exist and then link it to the highest stop
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" number
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let stops[0] = get(stops, 0,
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\ { 'placeholder' : [], 'line' : lnum, 'col' : col })
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let stop_count = max(keys(stops)) + 2
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let stops[stop_count - 1] = stops[0]
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return stop_count
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endfunction
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function! s:build_loc_info(snippet, stops, lnum, col, seen_items) abort
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let stops = a:stops
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let lnum = a:lnum
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let col = a:col
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let pos = 0
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let in_text = 0
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let seen_items = a:seen_items
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for item in a:snippet
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if type(item) == type('')
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let col += len(item)
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elseif type(item) == type([])
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let id = item[0]
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let stub = item[-1]
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let stub.line = lnum
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let stub.col = col
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call s:add_update_objects(stub, seen_items)
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if len(item) > 2 && type(item[1]) != type({})
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let col = s:build_loc_info(item[1:-2], stops, lnum, col, seen_items)
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else
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let col += len(snipMate#placeholder_str(id, stops))
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endif
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let in_text = 0
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endif
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unlet item " avoid E706
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endfor
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return col
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endfunction
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function! s:add_update_objects(object, targets) abort
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let targets = a:targets
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for item in targets
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let item.update_objects = get(item, 'update_objects', [])
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call add(item.update_objects, a:object)
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endfor
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call add(targets, a:object)
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endfunction
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" reads a .snippets file
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" returns list of
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" ['triggername', 'name', 'contents']
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" if triggername is not set 'default' is assumed
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" TODO: better error checking
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fun! snipMate#ReadSnippetsFile(file) abort
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let result = []
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let new_scopes = []
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if !filereadable(a:file) | return [result, new_scopes] | endif
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let inSnip = 0
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let line_no = 0
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let snipversion = get(g:snipMate, 'snippet_version', 0)
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for line in readfile(a:file) + ["\n"]
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let line_no += 1
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if inSnip && (line[0] == "\t" || line == '')
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let content .= strpart(line, 1)."\n"
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continue
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elseif inSnip
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call add(result, [trigger, name,
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\ content[:-2], bang, snipversion])
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let inSnip = 0
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endif
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if line[:6] == 'snippet'
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let inSnip = 1
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let bang = (line[7] == '!')
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if bang
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let bang += line[8] == '!'
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endif
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let trigger = strpart(line, 8 + bang)
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let name = ''
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let space = stridx(trigger, ' ') + 1
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if space " Process multi snip
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let name = strpart(trigger, space)
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let trigger = strpart(trigger, 0, space - 1)
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endif
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let content = ''
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if trigger =~ '^\s*$' " discard snippets with empty triggers
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echom 'Invalid snippet in' a:file 'near line' line_no
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let inSnip = 0
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endif
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elseif line[:6] == 'extends'
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call extend(new_scopes, map(split(strpart(line, 8)),
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\ "substitute(v:val, ',*$', '', '')"))
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elseif line[:6] == 'version'
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let snipversion = +strpart(line, 8)
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endif
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endfor
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return [result, new_scopes]
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endf
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function! s:GetScopes() abort
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let ret = exists('b:snipMate.scope_aliases') ? copy(b:snipMate.scope_aliases) : {}
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let global = get(g:snipMate, 'scope_aliases', {})
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for alias in keys(global)
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if has_key(ret, alias)
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let ret[alias] = join(split(ret[alias], ',')
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\ + split(global[alias], ','), ',')
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else
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let ret[alias] = global[alias]
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endif
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endfor
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return ret
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endfunction
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" adds scope aliases to list.
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" returns new list
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" the aliases of aliases are added recursively
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fun! s:AddScopeAliases(list) abort
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let did = {}
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let scope_aliases = s:GetScopes()
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let new = a:list
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let new2 = []
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while !empty(new)
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for i in new
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if !has_key(did, i)
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let did[i] = 1
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call extend(new2, split(get(scope_aliases,i,''),','))
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endif
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endfor
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let new = new2
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let new2 = []
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endwhile
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return keys(did)
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endf
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augroup SnipMateSource
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au SourceCmd *.snippet,*.snippets call s:source_snippet()
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augroup END
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function! s:info_from_filename(file) abort
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let parts = split(fnamemodify(a:file, ':r'), '/')
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let snipidx = len(parts) - index(reverse(copy(parts)), 'snippets') - 1
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let rtp_prefix = join(parts[(snipidx -
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\ (parts[snipidx - 1] == 'after' ? 3 : 2)):snipidx - 1], '/')
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let trigger = get(parts, snipidx + 2, '')
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let desc = get(parts, snipidx + 3, get(g:snipMate, 'override', 0) ?
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\ '' : fnamemodify(a:file, ':t'))
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return [rtp_prefix, trigger, desc]
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endfunction
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function! s:source_snippet() abort
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let file = expand('<afile>:p')
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let [rtp_prefix, trigger, desc] = s:info_from_filename(file)
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let new_snips = []
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if fnamemodify(file, ':e') == 'snippet'
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call add(new_snips, [trigger, desc, join(readfile(file), "\n"), 0,
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\ get(g:snipMate, 'snippet_version', 0)])
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else
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let [snippets, extends] = s:CachedSnips(file)
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let new_snips = deepcopy(snippets)
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call extend(s:lookup_state.extends, extends)
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endif
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for snip in new_snips
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if get(g:snipMate, 'override', 0)
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let snip[1] = join([s:lookup_state.scope, snip[1]])
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else
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let snip[1] = join([s:lookup_state.scope, rtp_prefix,
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\ empty(snip[1]) ? desc : snip[1]])
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endif
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endfor
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call extend(s:lookup_state.snips, new_snips)
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endfunction
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function! s:CachedSnips(file) abort
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let mtime = getftime(a:file)
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if has_key(s:cache, a:file) && s:cache[a:file].mtime >= mtime
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return s:cache[a:file].contents
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endif
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let s:cache[a:file] = {}
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let s:cache[a:file].mtime = mtime
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let s:cache[a:file].contents = snipMate#ReadSnippetsFile(a:file)
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return s:cache[a:file].contents
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endfunction
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function! s:snippet_filenames(scope, trigger) abort
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let mid = ['', '_*', '/*']
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let mid += map(copy(mid), "'/' . a:trigger . '*' . v:val")
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call map(mid, "'snippets/' . a:scope . v:val . '.snippet'")
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return map(mid[:2], 'v:val . "s"') + mid[3:]
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endfunction
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function! snipMate#SetByPath(dict, trigger, path, snippet, bang, snipversion) abort
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let d = a:dict
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if a:bang == 2
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unlet! d[a:trigger]
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return
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elseif !has_key(d, a:trigger) || a:bang == 1
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let d[a:trigger] = {}
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endif
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let d[a:trigger][a:path] = [a:snippet, a:snipversion]
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endfunction
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if v:version < 704 || has('win32')
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function! s:Glob(path, expr)
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let res = []
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for p in split(a:path, ',')
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let h = split(fnamemodify(a:expr, ':h'), '/')[0]
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if isdirectory(p . '/' . h)
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call extend(res, split(glob(p . '/' . a:expr), "\n"))
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endif
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endfor
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return filter(res, 'filereadable(v:val)')
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endfunction
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else
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function! s:Glob(path, expr)
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return split(globpath(a:path, a:expr), "\n")
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endfunction
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endif
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" default triggers based on paths
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function! snipMate#DefaultPool(scopes, trigger, result) abort
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let scopes = s:AddScopeAliases(a:scopes)
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let scopes_done = []
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let s:lookup_state = {}
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let s:lookup_state.snips = []
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while !empty(scopes)
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let scope = remove(scopes, 0)
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let s:lookup_state.scope = scope
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let s:lookup_state.extends = []
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for expr in s:snippet_filenames(scope, escape(a:trigger, "*[]?{}`'$|#%"))
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for path in s:snippet_dirs()
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for file in s:Glob(path, expr)
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source `=file`
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endfor
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endfor
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endfor
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call add(scopes_done, scope)
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call extend(scopes, s:lookup_state.extends)
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call filter(scopes, 'index(scopes_done, v:val) == -1')
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endwhile
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for [trigger, desc, contents, bang, snipversion] in s:lookup_state.snips
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if trigger =~ '\V\^' . escape(a:trigger, '\')
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call snipMate#SetByPath(a:result, trigger, desc, contents, bang, snipversion)
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endif
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endfor
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endfunction
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" return a dict of snippets found in runtimepath matching trigger
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" scopes: list of scopes. usually this is the filetype. eg ['c','cpp']
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" trigger may contain glob patterns. Thus use '*' to get all triggers
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"
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fun! snipMate#GetSnippets(scopes, trigger) abort
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let result = {}
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for F in values(g:snipMateSources)
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call funcref#Call(F, [a:scopes, a:trigger, result])
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endfor
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return result
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endf
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function! s:snippet_dirs() abort
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return get(g:snipMate, 'snippet_dirs', split(&rtp, ','))
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endfunction
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function! snipMate#OpenSnippetFiles() abort
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let files = []
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let scopes_done = []
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let exists = []
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let notexists = []
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for scope in s:AddScopeAliases(snipMate#ScopesByFile())
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let files += s:snippet_filenames(scope, '')
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endfor
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call filter(files, "v:val !~# '\\*'")
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for path in s:snippet_dirs()
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let fullpaths = map(copy(files), 'printf("%s/%s", path, v:val)')
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let exists += filter(copy(fullpaths), 'filereadable(v:val)')
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let notexists += map(filter(copy(fullpaths),
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\ 'v:val =~# "\.snippets" && !filereadable(v:val)'),
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\ '"does not exist: " . v:val')
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endfor
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let all = exists + notexists
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let select = tlib#input#List('mi', 'select files to be opened in splits', all)
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for idx in select
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exec 'sp' all[idx - 1]
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endfor
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endfunction
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fun! snipMate#ScopesByFile() abort
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" duplicates are removed in AddScopeAliases
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return filter(funcref#Call(g:snipMate.get_scopes), "v:val != ''")
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endf
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" used by both: completion and insert snippet
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fun! snipMate#GetSnippetsForWordBelowCursor(word, exact) abort
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" Split non-word characters into their own piece
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" so 'foo.bar..baz' becomes ['foo', '.', 'bar', '.', '.', 'baz']
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" First split just after a \W and then split each resultant string just
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" before a \W
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let parts = filter(tlib#list#Flatten(
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\ map(split(a:word, '\W\zs'), 'split(v:val, "\\ze\\W")')),
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\ '!empty(v:val)')
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" Only look at the last few possibilities. Too many can be slow.
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if len(parts) > 5
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let parts = parts[-5:]
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endif
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let lookups = [a:word]
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let lookup = ''
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for w in reverse(parts)
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let lookup = w . lookup
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if index(lookups, lookup) == -1
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call add(lookups, lookup)
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endif
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endfor
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" Remove empty lookup entries, but only if there are other nonempty lookups
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if len(lookups) > 1
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call filter(lookups, 'v:val != ""')
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endif
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let matching_snippets = []
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let snippet = ''
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" prefer longest word
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for word in lookups
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let g:snipMate.word = word
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for [k,snippetD] in items(funcref#Call(g:snipMate['get_snippets'], [snipMate#ScopesByFile(), word]))
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" hack: require exact match
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if a:exact && k !=# word
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continue
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endif
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call add(matching_snippets, [k, snippetD])
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if a:exact
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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) abort
|
|
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 || get(g:snipMate, 'always_choose_first', 0) == 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() abort
|
|
return matchstr(getline('.'), '\S\+\%' . col('.') . 'c')
|
|
endf
|
|
|
|
fun! snipMate#GetSnippetsForWordBelowCursorForComplete(word) abort
|
|
let matches = snipMate#GetSnippetsForWordBelowCursor(a:word, 0)
|
|
let snippets = []
|
|
for [trigger, dict] in matches
|
|
if get(g:snipMate, 'description_in_completion', 0)
|
|
call extend(snippets, map(keys(dict),
|
|
\ '{ "word" : trigger, "menu" : v:val, "dup" : 1 }'))
|
|
else
|
|
call add(snippets, { "word" : trigger })
|
|
endif
|
|
endfor
|
|
return filter(snippets,
|
|
\ 'v:val.word =~# "\\V\\^' . escape(a:word, '"\') . '"')
|
|
endf
|
|
|
|
fun! snipMate#CanBeTriggered() abort
|
|
let word = snipMate#WordBelowCursor()
|
|
let matches = snipMate#GetSnippetsForWordBelowCursorForComplete(word)
|
|
return len(matches) > 0
|
|
endf
|
|
|
|
fun! snipMate#ShowAvailableSnips() abort
|
|
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(...) abort
|
|
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 snippet = s:ChooseSnippet(snippetD)
|
|
" 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[0], snippet[1], 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() abort
|
|
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
|