dotfiles/.vim/pack/plugins/start/vim-fileline/plugin/file_line.vim

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if exists('g:loaded_file_line') | finish | endif
let g:loaded_file_line = 1
let g:file_line_crosshairs = get(g:, 'file_line_crosshairs', 1)
let g:file_line_crosshairs_number = get(g:, 'file_line_crosshairs_number', 2)
let g:file_line_crosshairs_duration = get(g:, 'file_line_crosshairs_duration', 200)
let g:file_line_fallback_column0 = get(g:, 'file_line_fallback_column0', 1)
augroup file_line
autocmd!
autocmd! BufNewFile * nested call s:goto_file_line()
autocmd! BufRead * nested call s:goto_file_line()
augroup END
function! s:goto_file_line(...)
let file_line_col = a:0 > 0 ? a:1 : bufname('%')
if filereadable(file_line_col) || file_line_col ==# ''
return file_line_col
endif
" Regex to match variants like these:
" * file(10)
" * file(line:col)
" * file:line:column:
" * file:line:column
" * file:line
let matches = matchlist(file_line_col,
\ '\(.\{-1,}\)[(:]\(\d\+\)\%(:\(\d\+\):\?\)\?')
if empty(matches) | return file_line_col | endif
let fname = matches[1]
let line = !empty(matches[2]) ? matches[2] : '0'
let col = !empty(matches[3])
\ ? matches[3] . '|'
\ : (g:file_line_fallback_column0 ? '|' : '^')
if filereadable(fname)
let bufnr = bufnr('%')
execute 'keepalt edit' fnameescape(fname)
execute 'bdelete' bufnr
execute line
execute 'normal!' col
normal! m"
normal! zv
normal! zz
filetype detect
if g:file_line_crosshairs
call s:crosshair_flash(g:file_line_crosshairs_number, g:file_line_crosshairs_duration)
endif
endif
return fname
endfunction
" Flash crosshairs (reticle) on current cursor line/column to highlight it.
" Particularly useful when the cursor is at head/tail end of file,
" in which case it will not get centered.
" Ref1: https://vi.stackexchange.com/a/3481/29697
" Ref2: https://stackoverflow.com/a/33775128/38281
function! s:crosshair_flash(n, d) abort
let l:cul = &cursorline
let l:cuc = &cursorcolumn
for i in range(1, a:n)
set cursorline cursorcolumn
redraw
execute 'sleep' a:d . 'm'
set nocursorline nocursorcolumn
redraw
execute 'sleep' a:d . 'm'
endfor
let &cursorline = l:cul
let &cursorcolumn = l:cuc
endfunction