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" カーソル下の単語をハイライトする | |
" http://d.hatena.ne.jp/osyo-manga/20140121/1390309901 | |
" 元との違いはカーソル下が記号の場合にうまく行ってなかったものを、空白区切りの単位でハイライトするようにしたこと | |
" 例えば >>= という記号列なども問題なくハイライトできるように | |
" 1 が設定されていれば有効になる | |
let g:enable_highlight_cursor_word = 1 | |
augroup highlight-cursor-word | |
autocmd! | |
autocmd CursorMoved * call s:hl_cword() | |
autocmd ColorScheme * highlight CursorWord gui=underline guifg=orange | |
autocmd BufLeave * call s:hl_clear() | |
autocmd WinLeave * call s:hl_clear() | |
autocmd InsertEnter * call s:hl_clear() | |
augroup END | |
function! s:hl_clear() | |
if exists("b:highlight_cursor_word_id") && exists("b:highlight_cursor_word") | |
silent! call matchdelete(b:highlight_cursor_word_id) | |
unlet b:highlight_cursor_word_id | |
unlet b:highlight_cursor_word | |
endif | |
endfunction | |
function! s:hl_cword() | |
let cursorChar = matchstr(getline('.'), '.', col('.')-1) | |
if matchstr(cursorChar,"[a-zA-Z0-9_'.]") != "" | |
let word = expand('<cword>') | |
else | |
let word = expand('<cWORD>') | |
endif | |
if word == "" | |
return | |
endif | |
" 記号列のせいで全文字がハイライトされないようにする | |
if matchstr(word,"[*]") != "" | |
return | |
endif | |
if get(b:, "highlight_cursor_word", "") ==# word | |
return | |
endif | |
call s:hl_clear() | |
if !g:enable_highlight_cursor_word | |
return | |
endif | |
if !empty(filter(split(word, '\zs'), "strlen(v:val) > 1")) | |
return | |
endif | |
silent! let b:highlight_cursor_word_id = matchadd("CursorWord", word) | |
let b:highlight_cursor_word = word | |
endfunction | |
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