annotate runtime/plugin/manpager.vim @ 9037:d07035f84f0d v7.4.1804

commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 30 14:15:54 2016 +0200 patch 7.4.1804 Problem: Can't use Vim as MANPAGER. Solution: Add manpager.vim. (Enno Nagel, closes https://github.com/vim/vim/issues/491)
author Christian Brabandt <cb@256bit.org>
date Sat, 30 Apr 2016 14:30:05 +0200
parents
children 9305a1251e51
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9037
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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1 " Vim plugin for using Vim as manpager.
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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2 " Maintainer: Enno Nagel <ennonagel+vim@gmail.com>
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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3 " Last Change: 2016 Apr 30
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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5 " $MAN_PN is supposed to be set by MANPAGER, see ":help manpager.vim".
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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6 if empty($MAN_PN)
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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7 finish
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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8 endif
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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10 command! -nargs=0 MANPAGER call s:MANPAGER() | delcommand MANPAGER
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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12 function! s:MANPAGER()
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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13 let page_pattern = '\v\w+%([-_.]\w+)*'
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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14 let sec_pattern = '\v\w+%(\+\w+)*'
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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15 let pagesec_pattern = '\v(' . page_pattern . ')\((' . sec_pattern . ')\)'
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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17 if $MAN_PN is '1'
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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18 let manpage = matchstr( getline(1), '^' . pagesec_pattern )
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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19 else
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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20 let manpage = expand('$MAN_PN')
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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21 endif
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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23 let page_sec = matchlist( manpage, '^' . pagesec_pattern . '$')
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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25 bwipe!
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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27 setlocal filetype=man
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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28 exe 'Man' page_sec[3] page_sec[1]
d07035f84f0d commit https://github.com/vim/vim/commit/b20545f2a718d4f19c3f609fd11c0ca4eff450ce
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29 endfunction