| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 1 | " Vim plugin for using Vim as manpager. |
| 2 | " Maintainer: Enno Nagel <ennonagel+vim@gmail.com> |
| Bram Moolenaar | 6aa5729 | 2021-08-14 21:25:52 +0200 | [diff] [blame] | 3 | " Last Change: 2020 Aug 05 |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 4 | |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 5 | command! -nargs=0 MANPAGER call s:ManPager() | delcommand MANPAGER |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 6 | |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 7 | function! s:ManPager() |
| 8 | set nocompatible |
| 9 | if exists('+viminfofile') |
| 10 | set viminfofile=NONE |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 11 | endif |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 12 | set noswapfile |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 13 | |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 14 | setlocal ft=man |
| 15 | runtime ftplugin/man.vim |
| 16 | setlocal buftype=nofile bufhidden=hide iskeyword+=: modifiable |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 17 | |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 18 | " Emulate 'col -b' |
| Bram Moolenaar | 6aa5729 | 2021-08-14 21:25:52 +0200 | [diff] [blame] | 19 | silent! keepj keepp %s/\v(.)\b\ze\1?//ge |
| 20 | |
| 21 | " Remove ansi sequences |
| 22 | silent! keepj keepp %s/\v\e\[%(%(\d;)?\d{1,2})?[mK]//ge |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 23 | |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 24 | " Remove empty lines above the header |
| 25 | call cursor(1, 1) |
| 26 | let n = search(".*(.*)", "c") |
| 27 | if n > 1 |
| 28 | exe "1," . n-1 . "d" |
| 29 | endif |
| 30 | setlocal nomodified readonly |
| 31 | |
| 32 | syntax on |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 33 | endfunction |