neosnippet.vim/autoload/neosnippet/init.vim

"=============================================================================
" FILE: init.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#init#_initialize() "{{{
  let s:is_initialized = 1

  call s:initialize_script_variables()
  call s:initialize_others()
  call s:initialize_cache()
endfunction"}}}

function! neosnippet#init#check() "{{{
  if !exists('s:is_initialized')
    call neosnippet#init#_initialize()
  endif
endfunction"}}}

function! s:initialize_script_variables() "{{{
  " Set runtime dir.
  let runtime_dir = neosnippet#variables#runtime_dir()
  let runtime_dir += split(globpath(&runtimepath, 'neosnippets'), '\n')
  if empty(runtime_dir) && empty(g:neosnippet#disable_runtime_snippets)
    call neosnippet#util#print_error(
          \ 'neosnippet default snippets cannot be loaded.')
    call neosnippet#util#print_error(
          \ 'You must install neosnippet-snippets or disable runtime snippets.')
  endif
  if g:neosnippet#enable_snipmate_compatibility
    " Load snipMate snippet directories.
    let runtime_dir += split(globpath(&runtimepath,
          \ 'snippets'), '\n')
    if exists('g:snippets_dir')
      let runtime_dir += neosnippet#util#option2list(g:snippets_dir)
    endif
  endif
  call map(runtime_dir, 'substitute(v:val, "[\\\\/]$", "", "")')

  " Set snippets_dir.
  let snippets_dir = neosnippet#variables#snippets_dir()
  for dir in neosnippet#util#option2list(g:neosnippet#snippets_directory)
    let dir = neosnippet#util#expand(dir)
    if !isdirectory(dir) && !neosnippet#util#is_sudo()
      call mkdir(dir, 'p')
    endif
    call add(snippets_dir, dir)
  endfor
  call map(snippets_dir, 'substitute(v:val, "[\\\\/]$", "", "")')
endfunction"}}}
function! s:initialize_cache() "{{{
  " Make cache for _ snippets.
  call neosnippet#commands#_make_cache('_')

  " Initialize check.
  call neosnippet#commands#_make_cache(&filetype)
endfunction"}}}
function! s:initialize_others() "{{{
  augroup neosnippet "{{{
    autocmd!
    " Set make cache event.
    autocmd FileType * call neosnippet#commands#_make_cache(&filetype)
    " Re make cache events
    autocmd BufWritePost *.snip,*.snippets
          \ call neosnippet#variables#set_snippets({})
    autocmd BufEnter *
          \ call neosnippet#mappings#_clear_select_mode_mappings()
    autocmd BufWritePre * NeoSnippetClearMarkers
  augroup END"}}}

  augroup neosnippet
    autocmd BufNewFile,BufRead,Syntax *
          \ execute 'syntax match neosnippetExpandSnippets'
          \  "'".neosnippet#get_placeholder_marker_pattern(). '\|'
          \ .neosnippet#get_sync_placeholder_marker_pattern().'\|'
          \ .neosnippet#get_mirror_placeholder_marker_pattern()."'"
          \ 'containedin=ALL oneline'
    if g:neosnippet#enable_conceal_markers && has('conceal')
      autocmd BufNewFile,BufRead,Syntax *
            \ syntax region neosnippetConcealExpandSnippets
            \ matchgroup=neosnippetExpandSnippets
            \ start='<`\d\+:\=\|<{\d\+:\=\|<|'
            \ end='`>\|}>\||>'
            \ containedin=ALL
            \ concealends oneline
    endif
  augroup END
  doautocmd neosnippet BufRead

  hi def link neosnippetExpandSnippets Special

  call neosnippet#mappings#_clear_select_mode_mappings()

  if g:neosnippet#enable_snipmate_compatibility "{{{
    " For snipMate function.
    function! Filename(...)
      let filename = expand('%:t:r')
      if filename == ''
        return a:0 == 2 ? a:2 : ''
      elseif a:0 == 0 || a:1 == ''
        return filename
      else
        return substitute(a:1, '$1', filename, 'g')
      endif
    endfunction
  endif"}}}
endfunction"}}}

let &cpo = s:save_cpo
unlet s:save_cpo

" vim: foldmethod=marker