| 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 | 016188f | 2022-06-06 20:52:59 +0100 | [diff] [blame] | 3 | " Last Change: 2022 Jun 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 | 016188f | 2022-06-06 20:52:59 +0100 | [diff] [blame] | 7 | function s:ManPager() |
| 8 | " global options, keep these to a minimum to avoid side effects |
| 9 | if &compatible |
| 10 | set nocompatible |
| 11 | endif |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 12 | if exists('+viminfofile') |
| 13 | set viminfofile=NONE |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 14 | endif |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 15 | set noswapfile |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 16 | |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 17 | setlocal ft=man |
| 18 | runtime ftplugin/man.vim |
| 19 | setlocal buftype=nofile bufhidden=hide iskeyword+=: modifiable |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 20 | |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 21 | " Emulate 'col -b' |
| Bram Moolenaar | 6aa5729 | 2021-08-14 21:25:52 +0200 | [diff] [blame] | 22 | silent! keepj keepp %s/\v(.)\b\ze\1?//ge |
| 23 | |
| 24 | " Remove ansi sequences |
| 25 | silent! keepj keepp %s/\v\e\[%(%(\d;)?\d{1,2})?[mK]//ge |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 26 | |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 27 | " Remove empty lines above the header |
| 28 | call cursor(1, 1) |
| 29 | let n = search(".*(.*)", "c") |
| 30 | if n > 1 |
| 31 | exe "1," . n-1 . "d" |
| 32 | endif |
| Bram Moolenaar | 016188f | 2022-06-06 20:52:59 +0100 | [diff] [blame] | 33 | setlocal nomodifiable nomodified readonly nowrite |
| Bram Moolenaar | 7254067 | 2018-02-09 22:00:53 +0100 | [diff] [blame] | 34 | |
| 35 | syntax on |
| Bram Moolenaar | b20545f | 2016-04-30 14:15:54 +0200 | [diff] [blame] | 36 | endfunction |