248 lines
7.7 KiB
VimL
248 lines
7.7 KiB
VimL
"=============================================================================
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" FILE: mappings.vim
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" AUTHOR: Shougo Matsushita <Shougo.Matsu at gmail.com>
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" License: MIT license
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"=============================================================================
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function! neosnippet#mappings#expandable_or_jumpable() abort "{{{
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return neosnippet#mappings#expandable() || neosnippet#mappings#jumpable()
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endfunction"}}}
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function! neosnippet#mappings#expandable() abort "{{{
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" Check snippet trigger.
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return neosnippet#mappings#completed_expandable()
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\ || neosnippet#helpers#get_cursor_snippet(
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\ neosnippet#helpers#get_snippets('i'),
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\ neosnippet#util#get_cur_text()) != ''
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endfunction"}}}
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function! neosnippet#mappings#jumpable() abort "{{{
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" Found snippet placeholder.
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return search(neosnippet#get_placeholder_marker_pattern(). '\|'
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\ .neosnippet#get_sync_placeholder_marker_pattern(), 'nw') > 0
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endfunction"}}}
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function! neosnippet#mappings#completed_expandable() abort "{{{
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if !s:enabled_completed_snippet()
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return 0
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endif
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let snippet = neosnippet#parser#_get_completed_snippet(
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\ v:completed_item, neosnippet#util#get_cur_text(),
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\ neosnippet#util#get_next_text())
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return snippet != ''
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endfunction"}}}
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function! s:enabled_completed_snippet() abort "{{{
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return exists('v:completed_item')
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\ && !empty(v:completed_item)
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\ && g:neosnippet#enable_completed_snippet
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endfunction"}}}
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function! neosnippet#mappings#_clear_select_mode_mappings() abort "{{{
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if !g:neosnippet#disable_select_mode_mappings
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return
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endif
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redir => mappings
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silent! smap
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redir END
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for map in map(filter(split(mappings, '\n'),
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\ "v:val !~# '^s' && v:val !~ '^\\a*\\s*<\\S\\+>'"),
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\ "matchstr(v:val, '^\\a*\\s*\\zs\\S\\+')")
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silent! execute 'sunmap' map
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silent! execute 'sunmap <buffer>' map
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endfor
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" Define default select mode mappings.
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snoremap <CR> a<BS>
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snoremap <BS> a<BS>
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snoremap <Del> a<BS>
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snoremap <C-h> a<BS>
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endfunction"}}}
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function! neosnippet#mappings#_register_oneshot_snippet() abort "{{{
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let trigger = input('Please input snippet trigger: ', 'oneshot')
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if trigger == ''
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return
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endif
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let selected_text = substitute(
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\ neosnippet#helpers#get_selected_text(visualmode(), 1), '\n$', '', '')
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call neosnippet#helpers#delete_selected_text(visualmode(), 1)
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let base_indent = matchstr(selected_text, '^\s*')
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" Delete base_indent.
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let selected_text = substitute(selected_text,
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\'^' . base_indent, '', 'g')
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let neosnippet = neosnippet#variables#current_neosnippet()
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let options = neosnippet#parser#_initialize_snippet_options()
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let options.word = 1
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let options.oneshot = 1
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let neosnippet.snippets[trigger] = neosnippet#parser#_initialize_snippet(
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\ { 'name' : trigger, 'word' : selected_text, 'options' : options },
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\ '', 0, '', trigger)
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echo 'Registered trigger : ' . trigger
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endfunction"}}}
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function! neosnippet#mappings#_expand_target() abort "{{{
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let trigger = input('Please input snippet trigger: ',
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\ '', 'customlist,neosnippet#commands#_complete_target_snippets')
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let neosnippet = neosnippet#variables#current_neosnippet()
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if !has_key(neosnippet#helpers#get_snippets('i'), trigger) ||
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\ neosnippet#helpers#get_snippets('i')[trigger].snip !~#
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\ neosnippet#get_placeholder_target_marker_pattern()
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if trigger != ''
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echo 'The trigger is invalid.'
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endif
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let neosnippet.target = ''
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return
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endif
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call neosnippet#mappings#_expand_target_trigger(trigger)
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endfunction"}}}
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function! neosnippet#mappings#_expand_target_trigger(trigger) abort "{{{
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let neosnippet = neosnippet#variables#current_neosnippet()
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let neosnippet.target = substitute(
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\ neosnippet#helpers#get_selected_text(visualmode(), 1), '\n$', '', '')
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let line = getpos("'<")[1]
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let col = getpos("'<")[2]
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call neosnippet#helpers#delete_selected_text(visualmode())
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call cursor(line, col)
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if col == 1
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let cur_text = a:trigger
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else
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let cur_text = neosnippet#util#get_cur_text()
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let cur_text = cur_text[: col-2] . a:trigger . cur_text[col :]
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endif
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call neosnippet#view#_expand(cur_text, col, a:trigger)
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if !neosnippet#mappings#jumpable()
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call cursor(0, col('.') - 1)
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stopinsert
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endif
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endfunction"}}}
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function! neosnippet#mappings#_anonymous(snippet) abort "{{{
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let [cur_text, col, expr] = neosnippet#mappings#_pre_trigger()
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let expr .= printf("\<ESC>:call neosnippet#view#_insert(%s, {}, %s, %d)\<CR>",
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\ string(a:snippet), string(cur_text), col)
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return expr
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endfunction"}}}
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function! neosnippet#mappings#_expand(trigger) abort "{{{
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let [cur_text, col, expr] = neosnippet#mappings#_pre_trigger()
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let expr .= printf("\<ESC>:call neosnippet#view#_expand(%s, %d, %s)\<CR>",
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\ string(cur_text), col, string(a:trigger))
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return expr
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endfunction"}}}
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function! s:snippets_expand(cur_text, col) abort "{{{
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if s:enabled_completed_snippet()
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let snippet = neosnippet#parser#_get_completed_snippet(
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\ v:completed_item, a:cur_text, neosnippet#util#get_next_text())
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if snippet != ''
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call neosnippet#view#_insert(snippet, {}, a:cur_text, a:col)
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return 0
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endif
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endif
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let cur_word = neosnippet#helpers#get_cursor_snippet(
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\ neosnippet#helpers#get_snippets('i'),
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\ a:cur_text)
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if cur_word != ''
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" Found snippet trigger.
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call neosnippet#view#_expand(
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\ neosnippet#util#get_cur_text(), a:col, cur_word)
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return 0
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endif
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return 1
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endfunction"}}}
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function! s:snippets_expand_or_jump(cur_text, col) abort "{{{
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if s:snippets_expand(a:cur_text, a:col)
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call neosnippet#view#_jump('', a:col)
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endif
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endfunction"}}}
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function! s:snippets_jump_or_expand(cur_text, col) abort "{{{
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if search(neosnippet#get_placeholder_marker_pattern(). '\|'
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\ .neosnippet#get_sync_placeholder_marker_pattern(), 'nw') > 0
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" Found snippet placeholder.
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call neosnippet#view#_jump('', a:col)
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else
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return s:snippets_expand(a:cur_text, a:col)
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endif
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endfunction"}}}
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function! s:SID_PREFIX() abort "{{{
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return matchstr(expand('<sfile>'), '<SNR>\d\+_\ze\w\+$')
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endfunction"}}}
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function! neosnippet#mappings#_trigger(function) abort "{{{
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let [cur_text, col, expr] = neosnippet#mappings#_pre_trigger()
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if !neosnippet#mappings#expandable_or_jumpable()
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return ''
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endif
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let expr .= printf("\<ESC>:call %s(%s,%d)\<CR>",
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\ a:function, string(cur_text), col)
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return expr
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endfunction"}}}
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function! neosnippet#mappings#_pre_trigger() abort "{{{
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call neosnippet#init#check()
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let cur_text = neosnippet#util#get_cur_text()
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let col = col('.')
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let expr = ''
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if mode() !=# 'i'
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" Fix column.
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let col += 2
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endif
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" Get selected text.
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let neosnippet = neosnippet#variables#current_neosnippet()
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let neosnippet.trigger = 1
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if mode() ==# 's' && neosnippet.optional_tabstop
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let expr .= "\<C-o>\"_d"
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endif
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return [cur_text, col, expr]
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endfunction"}}}
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" Plugin key-mappings.
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function! neosnippet#mappings#expand_or_jump_impl() abort
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return mode() ==# 's' ?
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\ neosnippet#mappings#_trigger('neosnippet#view#_jump') :
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\ neosnippet#mappings#_trigger(
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\ s:SID_PREFIX().'snippets_expand_or_jump')
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endfunction
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function! neosnippet#mappings#jump_or_expand_impl() abort
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return mode() ==# 's' ?
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\ neosnippet#mappings#_trigger('neosnippet#view#_jump') :
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\ neosnippet#mappings#_trigger(
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\ s:SID_PREFIX().'snippets_jump_or_expand')
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endfunction
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function! neosnippet#mappings#expand_impl() abort
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return neosnippet#mappings#_trigger(s:SID_PREFIX().'snippets_expand')
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endfunction
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function! neosnippet#mappings#jump_impl() abort
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return neosnippet#mappings#_trigger('neosnippet#view#_jump')
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endfunction
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" vim: foldmethod=marker
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