499 lines
15 KiB
VimL
499 lines
15 KiB
VimL
"=============================================================================
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" FILE: view.vim
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" AUTHOR: Shougo Matsushita <Shougo.Matsu@gmail.com>
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" Last Modified: 25 Dec 2013.
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" License: MIT license {{{
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" Permission is hereby granted, free of charge, to any person obtaining
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" a copy of this software and associated documentation files (the
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" "Software"), to deal in the Software without restriction, including
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" without limitation the rights to use, copy, modify, merge, publish,
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" distribute, sublicense, and/or sell copies of the Software, and to
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" permit persons to whom the Software is furnished to do so, subject to
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" the following conditions:
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"
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" The above copyright notice and this permission notice shall be included
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" in all copies or substantial portions of the Software.
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"
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" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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" IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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" CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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" TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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" SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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" }}}
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"=============================================================================
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let s:save_cpo = &cpo
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set cpo&vim
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function! neosnippet#view#_expand(cur_text, col, trigger_name) "{{{
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call s:skip_next_auto_completion()
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let snippets = neosnippet#helpers#get_snippets()
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if a:trigger_name == '' || !has_key(snippets, a:trigger_name)
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let pos = getpos('.')
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let pos[2] = len(a:cur_text)+1
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call setpos('.', pos)
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if pos[2] < col('$')
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startinsert
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else
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startinsert!
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endif
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return
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endif
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let snippet = snippets[a:trigger_name]
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let cur_text = a:cur_text[: -1-len(a:trigger_name)]
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let snip_word = snippet.snip
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if snip_word =~ '\\\@<!`.*\\\@<!`'
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let snip_word = s:eval_snippet(snip_word)
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endif
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" Substitute escaped `.
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let snip_word = substitute(snip_word, '\\`', '`', 'g')
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" Substitute markers.
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let snip_word = substitute(snip_word,
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\ '\\\@<!'.neosnippet#get_placeholder_marker_substitute_pattern(),
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\ '<`\1`>', 'g')
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let snip_word = substitute(snip_word,
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\ '\\\@<!'.neosnippet#get_mirror_placeholder_marker_substitute_pattern(),
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\ '<|\1|>', 'g')
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let snip_word = substitute(snip_word,
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\ '\\'.neosnippet#get_mirror_placeholder_marker_substitute_pattern().'\|'.
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\ '\\'.neosnippet#get_placeholder_marker_substitute_pattern(),
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\ '\=submatch(0)[1:]', 'g')
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" Insert snippets.
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let next_line = getline('.')[a:col-1 :]
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let snippet_lines = split(snip_word, '\n', 1)
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if empty(snippet_lines)
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return
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endif
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let begin_line = line('.')
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let end_line = line('.') + len(snippet_lines) - 1
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let snippet_lines[0] = cur_text . snippet_lines[0]
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let next_col = len(snippet_lines[-1]) + 1
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let snippet_lines[-1] = snippet_lines[-1] . next_line
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if has('folding')
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" Note: Change foldmethod to "manual". Because, if you use foldmethod is
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" expr, whole snippet is visually selected.
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let foldmethod_save = &l:foldmethod
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let &l:foldmethod = 'manual'
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endif
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let expand_stack = neosnippet#variables#expand_stack()
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try
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if len(snippet_lines) > 1
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call append('.', snippet_lines[1:])
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endif
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call setline('.', snippet_lines[0])
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if begin_line != end_line || snippet.options.indent
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call s:indent_snippet(begin_line, end_line)
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endif
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let begin_patterns = (begin_line > 1) ?
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\ [getline(begin_line - 1)] : []
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let end_patterns = (end_line < line('$')) ?
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\ [getline(end_line + 1)] : []
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call add(expand_stack, {
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\ 'begin_line' : begin_line,
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\ 'begin_patterns' : begin_patterns,
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\ 'end_line' : end_line,
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\ 'end_patterns' : end_patterns,
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\ 'holder_cnt' : 1,
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\ })
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if snip_word =~ neosnippet#get_placeholder_marker_pattern()
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call neosnippet#view#_jump(a:cur_text, a:col)
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endif
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finally
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if has('folding')
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if foldmethod_save !=# &l:foldmethod
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let &l:foldmethod = foldmethod_save
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endif
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silent! execute begin_line . ',' . end_line . 'foldopen!'
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endif
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endtry
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let &l:iminsert = 0
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let &l:imsearch = 0
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endfunction"}}}
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function! neosnippet#view#_jump(cur_text, col) "{{{
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call s:skip_next_auto_completion()
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let expand_stack = neosnippet#variables#expand_stack()
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" Get patterns and count.
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if empty(expand_stack)
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return s:search_outof_range(a:col)
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endif
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let expand_info = expand_stack[-1]
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" Search patterns.
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let [begin, end] = neosnippet#view#_get_snippet_range(
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\ expand_info.begin_line,
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\ expand_info.begin_patterns,
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\ expand_info.end_line,
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\ expand_info.end_patterns)
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if neosnippet#view#_search_snippet_range(
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\ begin, end, expand_info.holder_cnt)
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" Next count.
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let expand_info.holder_cnt += 1
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return 1
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endif
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" Search placeholder 0.
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if neosnippet#view#_search_snippet_range(begin, end, 0)
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return 1
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endif
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" Not found.
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let expand_stack = neosnippet#variables#expand_stack()
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let expand_stack = expand_stack[: -2]
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return s:search_outof_range(a:col)
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endfunction"}}}
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function! s:indent_snippet(begin, end) "{{{
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if a:begin > a:end
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return
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endif
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let pos = getpos('.')
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let neosnippet = neosnippet#variables#current_neosnippet()
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let equalprg = &l:equalprg
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try
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setlocal equalprg=
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" Indent begin line?
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let begin = (neosnippet.target == '') ? a:begin : a:begin + 1
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let base_indent = matchstr(getline(a:begin), '^\s\+')
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for line_nr in range(begin, a:end)
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call cursor(line_nr, 0)
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if getline('.') =~ '^\t\+'
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" Delete head tab character.
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let current_line = substitute(getline('.'), '^\t', '', '')
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if &l:expandtab && current_line =~ '^\t\+'
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" Expand tab.
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cal setline('.', substitute(current_line,
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\ '^\t\+', base_indent . repeat(' ', &shiftwidth *
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\ len(matchstr(current_line, '^\t\+'))), ''))
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elseif line_nr != a:begin
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call setline('.', base_indent . current_line)
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endif
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else
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silent normal! ==
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endif
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endfor
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finally
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let &l:equalprg = equalprg
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call setpos('.', pos)
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endtry
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endfunction"}}}
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function! neosnippet#view#_get_snippet_range(begin_line, begin_patterns, end_line, end_patterns) "{{{
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let pos = getpos('.')
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call cursor(a:begin_line, 0)
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if empty(a:begin_patterns)
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let begin = line('.') - 50
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else
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let [begin, _] = searchpos('^' . neosnippet#util#escape_pattern(
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\ a:begin_patterns[0]) . '$', 'bnW')
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if begin <= 0
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let begin = line('.') - 50
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endif
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endif
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if begin <= 0
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let begin = 1
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endif
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call cursor(a:end_line, 0)
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if empty(a:end_patterns)
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let end = line('.') + 50
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else
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let [end, _] = searchpos('^' . neosnippet#util#escape_pattern(
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\ a:end_patterns[0]) . '$', 'nW')
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if end <= 0
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let end = line('.') + 50
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endif
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endif
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if end > line('$')
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let end = line('$')
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endif
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call setpos('.', pos)
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return [begin, end]
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endfunction"}}}
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function! neosnippet#view#_search_snippet_range(start, end, cnt, ...) "{{{
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let is_select = get(a:000, 0, 1)
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call s:substitute_placeholder_marker(a:start, a:end, a:cnt)
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" Search marker pattern.
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let pattern = substitute(neosnippet#get_placeholder_marker_pattern(),
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\ '\\d\\+', a:cnt, '')
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for line in filter(range(a:start, a:end),
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\ 'getline(v:val) =~ pattern')
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call s:expand_placeholder(a:start, a:end, a:cnt, line, is_select)
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return 1
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endfor
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return 0
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endfunction"}}}
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function! s:search_outof_range(col) "{{{
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call s:substitute_placeholder_marker(1, 0, 0)
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let pattern = neosnippet#get_placeholder_marker_pattern()
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if search(pattern, 'w') > 0
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call s:expand_placeholder(line('.'), 0, '\\d\\+', line('.'))
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return 1
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endif
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let pos = getpos('.')
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if a:col == 1
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let pos[2] = 1
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call setpos('.', pos)
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startinsert
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elseif a:col >= col('$')
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startinsert!
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else
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let pos[2] = a:col+1
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call setpos('.', pos)
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startinsert
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endif
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" Not found.
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return 0
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endfunction"}}}
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function! s:expand_placeholder(start, end, holder_cnt, line, ...) "{{{
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let is_select = get(a:000, 0, 1)
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let pattern = substitute(neosnippet#get_placeholder_marker_pattern(),
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\ '\\d\\+', a:holder_cnt, '')
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let current_line = getline(a:line)
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let match = match(current_line, pattern)
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let neosnippet = neosnippet#variables#current_neosnippet()
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let default_pattern = substitute(
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\ neosnippet#get_placeholder_marker_default_pattern(),
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\ '\\d\\+', a:holder_cnt, '')
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let default = substitute(
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\ matchstr(current_line, default_pattern),
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\ '\\\ze[^\\]', '', 'g')
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let is_target = (default =~ '^TARGET\>' && neosnippet.target != '')
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let default = substitute(default, '^TARGET:\?', neosnippet.target, '')
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let neosnippet.selected_text = default
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" Substitute marker.
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let default = substitute(default,
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\ neosnippet#get_placeholder_marker_substitute_pattern(),
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\ '<`\1`>', 'g')
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let default = substitute(default,
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\ neosnippet#get_mirror_placeholder_marker_substitute_pattern(),
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\ '<|\1|>', 'g')
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" len() cannot use for multibyte.
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let default_len = len(substitute(default, '.', 'x', 'g'))
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let pos = getpos('.')
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let pos[1] = a:line
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let pos[2] = match+1
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let cnt = s:search_sync_placeholder(a:start, a:end, a:holder_cnt)
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if cnt >= 0
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let pattern = substitute(neosnippet#get_placeholder_marker_pattern(),
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\ '\\d\\+', cnt, '')
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call setline(a:line, substitute(current_line, pattern,
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\ '<{'.cnt.':'.escape(default, '\').'}>', ''))
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let pos[2] += len('<{'.cnt.':')
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else
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if is_target
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let default = ''
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endif
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" Substitute holder.
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call setline(a:line,
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\ substitute(current_line, pattern, escape(default, '&\'), ''))
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endif
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call setpos('.', pos)
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if is_target && cnt < 0
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" Expand target
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return s:expand_target_placeholder(a:line, match+1)
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endif
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if default_len > 0 && is_select
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" Select default value.
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let len = default_len-1
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if &l:selection == 'exclusive'
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let len += 1
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endif
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stopinsert
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execute 'normal! v'. repeat('l', len) . "\<C-g>"
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elseif pos[2] < col('$')
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startinsert
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else
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startinsert!
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endif
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endfunction"}}}
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function! s:expand_target_placeholder(line, col) "{{{
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" Expand target
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let neosnippet = neosnippet#variables#current_neosnippet()
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let next_line = getline(a:line)[a:col-1 :]
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let target_lines = split(neosnippet.target, '\n', 1)
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let cur_text = getline(a:line)[: a:col-2]
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let target_lines[0] = cur_text . target_lines[0]
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let next_col = len(target_lines[-1]) + 1
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let target_lines[-1] = target_lines[-1] . next_line
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let begin_line = a:line
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let end_line = a:line + len(target_lines) - 1
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let col = col('.')
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try
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let base_indent = matchstr(cur_text, '^\s\+')
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call setline(a:line, target_lines[0])
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if len(target_lines) > 1
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call append(a:line, map(target_lines[1:],
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\ 'base_indent . v:val'))
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endif
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call cursor(end_line, 0)
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if next_line != ''
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startinsert
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let col = col('.')
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else
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startinsert!
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let col = col('$')
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endif
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finally
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if has('folding')
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silent! execute begin_line . ',' . end_line . 'foldopen!'
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endif
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endtry
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let neosnippet.target = ''
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call neosnippet#view#_jump(neosnippet#util#get_cur_text(), col)
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endfunction"}}}
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function! s:search_sync_placeholder(start, end, number) "{{{
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if a:end == 0
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" Search in current buffer.
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let cnt = matchstr(getline('.'),
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\ substitute(neosnippet#get_placeholder_marker_pattern(),
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\ '\\d\\+', '\\zs\\d\\+\\ze', ''))
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return search(substitute(
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\ neosnippet#get_mirror_placeholder_marker_pattern(),
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\ '\\d\\+', cnt, ''), 'nw') > 0 ? cnt : -1
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endif
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let pattern = substitute(
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\ neosnippet#get_mirror_placeholder_marker_pattern(),
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\ '\\d\\+', a:number, '')
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for line in filter(range(a:start, a:end),
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\ 'getline(v:val) =~ pattern')
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return a:number
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endfor
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return -1
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endfunction"}}}
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function! s:substitute_placeholder_marker(start, end, snippet_holder_cnt) "{{{
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if a:snippet_holder_cnt > 0
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let cnt = a:snippet_holder_cnt-1
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let sync_marker = substitute(neosnippet#get_sync_placeholder_marker_pattern(),
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\ '\\d\\+', cnt, '')
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let mirror_marker = substitute(
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\ neosnippet#get_mirror_placeholder_marker_pattern(),
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\ '\\d\\+', cnt, '')
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let line = a:start
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for line in range(a:start, a:end)
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if getline(line) =~ sync_marker
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let sub = escape(matchstr(getline(line),
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\ substitute(neosnippet#get_sync_placeholder_marker_default_pattern(),
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\ '\\d\\+', cnt, '')), '/\')
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silent execute printf('%d,%ds/\m' . mirror_marker . '/%s/'
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\ . (&gdefault ? '' : 'g'), a:start, a:end, sub)
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call setline(line, substitute(getline(line), sync_marker, sub, ''))
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endif
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endfor
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elseif search(neosnippet#get_sync_placeholder_marker_pattern(), 'wb') > 0
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let sub = escape(matchstr(getline('.'),
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\ neosnippet#get_sync_placeholder_marker_default_pattern()), '/\')
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let cnt = matchstr(getline('.'),
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\ substitute(neosnippet#get_sync_placeholder_marker_pattern(),
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\ '\\d\\+', '\\zs\\d\\+\\ze', ''))
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let mirror_marker = substitute(
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\ neosnippet#get_mirror_placeholder_marker_pattern(),
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\ '\\d\\+', cnt, '')
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silent execute printf('%%s/\m' . mirror_marker . '/%s/'
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\ . (&gdefault ? 'g' : ''), sub)
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let sync_marker = substitute(neosnippet#get_sync_placeholder_marker_pattern(),
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\ '\\d\\+', cnt, '')
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call setline('.', substitute(getline('.'), sync_marker, sub, ''))
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endif
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endfunction"}}}
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function! s:eval_snippet(snippet_text) "{{{
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let snip_word = ''
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let prev_match = 0
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let match = match(a:snippet_text, '\\\@<!`.\{-}\\\@<!`')
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while match >= 0
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if match - prev_match > 0
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let snip_word .= a:snippet_text[prev_match : match - 1]
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endif
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let prev_match = matchend(a:snippet_text,
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\ '\\\@<!`.\{-}\\\@<!`', match)
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let snip_word .= eval(
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\ a:snippet_text[match+1 : prev_match - 2])
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let match = match(a:snippet_text, '\\\@<!`.\{-}\\\@<!`', prev_match)
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endwhile
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if prev_match >= 0
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let snip_word .= a:snippet_text[prev_match :]
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endif
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return snip_word
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endfunction"}}}
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function! s:skip_next_auto_completion() "{{{
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" Skip next auto completion.
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if exists('*neocomplcache#skip_next_complete')
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call neocomplcache#skip_next_complete()
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endif
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if exists('*neocomplete#skip_next_complete')
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call neocomplete#skip_next_complete()
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endif
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let neosnippet = neosnippet#variables#current_neosnippet()
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let neosnippet.trigger = 0
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endfunction"}}}
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let &cpo = s:save_cpo
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unlet s:save_cpo
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" vim: foldmethod=marker
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