neosnippet.vim/autoload/neosnippet/mappings.vim
Shougo Matsushita 6dc9701417 Add LICENSE file
2017-06-15 09:04:27 +09:00

254 lines
7.8 KiB
VimL

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