"=============================================================================
" FILE: converter_abbr.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! neocomplete#filters#converter_abbr#define() abort "{{{
  return s:converter
endfunction"}}}

let s:converter = {
      \ 'name' : 'converter_abbr',
      \ 'description' : 'abbreviate abbr converter',
      \}

function! s:converter.filter(context) abort "{{{
  if g:neocomplete#max_keyword_width < 0
    return a:context.candidates
  endif

  lua << EOF
do
  local candidates = vim.eval('a:context.candidates')
  local max = vim.eval('g:neocomplete#max_keyword_width')
  for i = 0, #candidates-1 do
    local abbr = candidates[i].abbr == nil and
      candidates[i].word or candidates[i].abbr
    if string.len(abbr) > max then
      vim.command("let a:context.candidates[".. i .."].abbr = neocomplete#util#truncate_smart("..
              "get(a:context.candidates[".. i .."], 'abbr', " ..
              "a:context.candidates[".. i .."].word), g:neocomplete#max_keyword_width," ..
              "g:neocomplete#max_keyword_width/2, '..')")
    end
  end
end
EOF

  return a:context.candidates
endfunction"}}}

let &cpo = s:save_cpo
unlet s:save_cpo

" vim: foldmethod=marker
