mirror of
https://github.com/SpaceVim/SpaceVim.git
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68 lines
2.6 KiB
VimL
68 lines
2.6 KiB
VimL
" =============================================================================
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" Filename: autoload/cursorword.vim
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" Author: itchyny
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" License: MIT License
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" Last Change: 2020/06/20 14:12:12.
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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! cursorword#highlight() abort
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if !get(g:, 'cursorword_highlight', 1) | return | endif
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highlight CursorWord0 term=underline cterm=underline gui=underline
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redir => out
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silent! highlight CursorLine
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redir END
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let highlight = 'highlight CursorWord1 term=underline cterm=underline gui=underline'
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execute highlight matchstr(out, 'ctermbg=#\?\w\+') matchstr(out, 'guibg=#\?\w\+')
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endfunction
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let s:alphabets = '^[\x00-\x7f\xb5\xc0-\xd6\xd8-\xf6\xf8-\u01bf\u01c4-\u02af\u0370-\u0373\u0376\u0377\u0386-\u0481\u048a-\u052f]\+$'
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function! cursorword#matchadd(...) abort
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let enable = get(b:, 'cursorword', get(g:, 'cursorword', 1)) && !has('vim_starting')
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if !enable && !get(w:, 'cursorword_match') | return | endif
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let i = (a:0 ? a:1 : mode() ==# 'i' || mode() ==# 'R') && col('.') > 1
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let line = getline('.')
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let linenr = line('.')
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let word = matchstr(line[:(col('.')-i-1)], '\k*$') . matchstr(line[(col('.')-i-1):], '^\k*')[1:]
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if get(w:, 'cursorword_state', []) ==# [ linenr, word, enable ] | return | endif
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let w:cursorword_state = [ linenr, word, enable ]
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if get(w:, 'cursorword_match')
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silent! call matchdelete(w:cursorword_id0)
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silent! call matchdelete(w:cursorword_id1)
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endif
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let w:cursorword_match = 0
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if !enable || word ==# '' || len(word) !=# strchars(word) && word !~# s:alphabets || len(word) > 1000 | return | endif
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let pattern = '\<' . escape(word, '~"\.^$[]*') . '\>'
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let w:cursorword_id0 = matchadd('CursorWord0', pattern, -100)
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let w:cursorword_id1 = matchadd('CursorWord' . &l:cursorline, '\%' . linenr . 'l' . pattern, -100)
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let w:cursorword_match = 1
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endfunction
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let s:delay = get(g:, 'cursorword_delay', 50)
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if has('timers') && s:delay > 0
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let s:timer = 0
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function! cursorword#cursormoved() abort
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if get(w:, 'cursorword_match')
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silent! call matchdelete(w:cursorword_id0)
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silent! call matchdelete(w:cursorword_id1)
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let w:cursorword_match = 0
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let w:cursorword_state = []
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endif
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call timer_stop(s:timer)
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let s:timer = timer_start(s:delay, 'cursorword#timer_callback')
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endfunction
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function! cursorword#timer_callback(...) abort
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call cursorword#matchadd()
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endfunction
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else
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function! cursorword#cursormoved() abort
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call cursorword#matchadd()
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endfunction
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endif
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let &cpo = s:save_cpo
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unlet s:save_cpo
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