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