130 lines
3.9 KiB
VimL
130 lines
3.9 KiB
VimL
"=============================================================================
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" FILE: converter_overlap.vim
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" AUTHOR: Shougo Matsushita <Shougo.Matsu@gmail.com>
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" License: MIT license {{{
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" Permission is hereby granted, free of charge, to any person obtaining
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" a copy of this software and associated documentation files (the
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" "Software"), to deal in the Software without restriction, including
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" without limitation the rights to use, copy, modify, merge, publish,
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" distribute, sublicense, and/or sell copies of the Software, and to
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" permit persons to whom the Software is furnished to do so, subject to
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" the following conditions:
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"
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" The above copyright notice and this permission notice shall be included
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" in all copies or substantial portions of the Software.
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"
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" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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" IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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" CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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" TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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" SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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" }}}
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"=============================================================================
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let s:save_cpo = &cpo
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set cpo&vim
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function! neocomplete#filters#converter_remove_overlap#define() "{{{
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return s:converter
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endfunction"}}}
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let s:converter = {
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\ 'name' : 'converter_remove_overlap',
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\ 'description' : 'remove overlapped characters',
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\}
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function! s:converter.filter(context) "{{{
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let next = matchstr(getline('.')[
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\ len(neocomplete#helper#get_cur_text()) :], '^\S\+')
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if next == ''
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return a:context.candidates
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endif
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let neocomplete = neocomplete#get_current_neocomplete()
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let neocomplete.overlapped_items = {}
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let candidates = []
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for candidate in a:context.candidates
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let overlapped_len = neocomplete#filters#
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\converter_remove_overlap#length(candidate.word, next)
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if overlapped_len > 0
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if !has_key(candidate, 'abbr')
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let candidate.abbr = candidate.word
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endif
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let word = candidate.word
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let candidate.word = candidate.word[: -overlapped_len-1]
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if candidate.word != ''
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let neocomplete.overlapped_items[candidate.word] = word
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endif
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call add(candidates, candidate)
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elseif !neocomplete#is_auto_complete()
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call add(candidates, candidate)
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endif
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endfor
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if empty(candidates)
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return a:context.candidates
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endif
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let candidates = filter(candidates,
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\ 'v:val.word !=# a:context.complete_str')
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return candidates
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endfunction"}}}
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function! neocomplete#filters#converter_remove_overlap#length(left, right) "{{{
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if a:left == '' || a:right == ''
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return 0
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endif
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let ret = 0
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lua << EOF
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do
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local ret = vim.eval('ret')
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local left = vim.eval('a:left')
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local right = vim.eval('a:right')
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local left_len = string.len(left)
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local right_len = string.len(right)
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if left_len > right_len then
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left = string.sub(left, left_len-right_len, left_len)
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elseif left_len < right_len then
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right = string.sub(right, 0, left_len)
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end
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if left == right then
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ret = math.min(left_len, right_len)
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else
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local length = 1
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left_len = string.len(left)
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while 1 do
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local pattern = string.sub(left, left_len-length+1, left_len)
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local pos = string.find(right, pattern, 1, 1)
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if pos == nil then
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break
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end
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length = length + pos - 1
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if string.sub(left, left_len-length+1, left_len) ==
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string.sub(right, 1, length) then
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ret = length
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length = length + 1
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end
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end
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end
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vim.command('let ret = ' .. ret)
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end
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EOF
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return ret
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endfunction"}}}
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let &cpo = s:save_cpo
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unlet s:save_cpo
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" vim: foldmethod=marker
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