Update 2024-12-15 14:45 OpenBSD/amd64-t14

.vim/pack/plugins/start/vim-cursorword/autoload/cursorword.vim

@@ -0,0 +1,58 @@
+" =============================================================================
+" Filename: autoload/cursorword.vim
+" Author: itchyny
+" License: MIT License
+" Last Change: 2022/11/17 08:57:47.
+" =============================================================================
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! cursorword#highlight() abort
+  if !get(g:, 'cursorword_highlight', 1) | return | endif
+  highlight default CursorWord term=underline cterm=underline gui=underline
+endfunction
+
+let s:alphabets = '^[\x00-\x7f\xb5\xc0-\xd6\xd8-\xf6\xf8-\u01bf\u01c4-\u02af\u0370-\u0373\u0376\u0377\u0386-\u0481\u048a-\u052f]\+$'
+
+function! cursorword#matchadd(...) abort
+  let enable = get(b:, 'cursorword', get(g:, 'cursorword', 1)) && !has('vim_starting')
+  if !enable && !get(w:, 'cursorword_match') | return | endif
+  let i = (a:0 ? a:1 : mode() ==# 'i' || mode() ==# 'R') && col('.') > 1
+  let line = getline('.')
+  let word = matchstr(line[:(col('.')-i-1)], '\k*$') . matchstr(line[(col('.')-i-1):], '^\k*')[1:]
+  if get(w:, 'cursorword_state', []) ==# [ word, enable ] | return | endif
+  let w:cursorword_state = [ word, enable ]
+  if get(w:, 'cursorword_match')
+    silent! call matchdelete(w:cursorword_id)
+  endif
+  let w:cursorword_match = 0
+  if !enable || word ==# '' || len(word) !=# strchars(word) && word !~# s:alphabets || len(word) > 1000 | return | endif
+  let pattern = '\<' . escape(word, '~"\.^$[]*') . '\>'
+  let w:cursorword_id = matchadd('CursorWord', pattern, -100)
+  let w:cursorword_match = 1
+endfunction
+
+let s:delay = get(g:, 'cursorword_delay', 50)
+if has('timers') && s:delay > 0
+  let s:timer = 0
+  function! cursorword#cursormoved() abort
+    if get(w:, 'cursorword_match')
+      silent! call matchdelete(w:cursorword_id)
+      let w:cursorword_match = 0
+      let w:cursorword_state = []
+    endif
+    call timer_stop(s:timer)
+    let s:timer = timer_start(s:delay, 'cursorword#timer_callback')
+  endfunction
+  function! cursorword#timer_callback(...) abort
+    call cursorword#matchadd()
+  endfunction
+else
+  function! cursorword#cursormoved() abort
+    call cursorword#matchadd()
+  endfunction
+endif
+
+let &cpo = s:save_cpo
+unlet s:save_cpo