neosnippet.vim/autoload/neosnippet/handlers.vim

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"=============================================================================
" FILE: handlers.vim
" AUTHOR: Shougo Matsushita <Shougo.Matsu@gmail.com>
" License: MIT license {{{
" Permission is hereby granted, free of charge, to any person obtaining
" a copy of this software and associated documentation files (the
" "Software"), to deal in the Software without restriction, including
" without limitation the rights to use, copy, modify, merge, publish,
" distribute, sublicense, and/or sell copies of the Software, and to
" permit persons to whom the Software is furnished to do so, subject to
" the following conditions:
"
" The above copyright notice and this permission notice shall be included
" in all copies or substantial portions of the Software.
"
" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
" IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
" CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
" TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
" SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
" }}}
"=============================================================================
let s:save_cpo = &cpo
set cpo&vim
function! neosnippet#handlers#_complete_done() "{{{
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if empty(v:completed_item)
\ || !g:neosnippet#enable_complete_done
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\ || v:completed_item.word !~ '($'
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return
endif
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let pairs = { '(' : ')', '{' : '}', '"' : '"' }
if index(keys(pairs), v:completed_item.word[-1:]) < 0
return
endif
let key = v:completed_item.word[-1:]
let pair = pairs[key]
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let item = v:completed_item
let abbr = (item.abbr != '') ? item.abbr : item.word
if len(item.menu) > 5
" Combine menu.
let abbr .= ' ' . item.menu
endif
if item.info != ''
let abbr = split(item.info, '\n')[0]
endif
" Make snippet arguments
let cnt = 1
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let snippet = ''
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if key == '('
for arg in split(substitute(neosnippet#handlers#_get_in_paren(abbr),
\ '(\zs.\{-}\ze)', '', 'g'), '[^[]\zs\s*,\s*')
if arg ==# 'self' && &filetype ==# 'python'
" Ignore self argument
continue
endif
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if cnt != 1
let snippet .= ', '
endif
let snippet .= printf('${%d:#:%s}', cnt, escape(arg, '{}'))
let cnt += 1
endfor
endif
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if !s:is_auto_pairs()
if key != '(' && snippet =~ key.'$'
let snippet .= '${'. cnt .'}'.pair
elseif snippet !~ pair.'$'
let snippet .= pair
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endif
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let snippet .= '${0}'
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endif
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let [cur_text, col, _] = neosnippet#mappings#_pre_trigger()
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call neosnippet#view#_insert(snippet, {}, cur_text, col)
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endfunction"}}}
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function! neosnippet#handlers#_cursor_moved() "{{{
let expand_stack = neosnippet#variables#expand_stack()
" Get patterns and count.
if !&l:modifiable || !&l:modified
\ || empty(expand_stack)
return
endif
let expand_info = expand_stack[-1]
if expand_info.begin_line == expand_info.end_line
\ && line('.') != expand_info.begin_line
call neosnippet#view#_clear_markers(expand_info)
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endif
endfunction"}}}
function! neosnippet#handlers#_all_clear_markers() "{{{
let pos = getpos('.')
try
while !empty(neosnippet#variables#expand_stack())
call neosnippet#view#_clear_markers(
\ neosnippet#variables#expand_stack()[-1])
endwhile
finally
stopinsert
call setpos('.', pos)
endtry
endfunction"}}}
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function! neosnippet#handlers#_get_in_paren(str) abort "{{{
let s = ''
let level = 0
for c in split(a:str, '\zs')
if c == '('
let level += 1
if level == 1
continue
endif
elseif c == ')'
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if level == 1 && s != ''
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return s
else
let level -= 1
endif
endif
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if level > 0
let s .= c
endif
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endfor
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return ''
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endfunction"}}}
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function! s:is_auto_pairs() abort "{{{
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return get(g:, 'neopairs#enable', 0)
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endfunction"}}}
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let &cpo = s:save_cpo
unlet s:save_cpo
" vim: foldmethod=marker