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30 lines
784 B
VimL
30 lines
784 B
VimL
" Vim plugin for using Vim as manpager.
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" Maintainer: Enno Nagel <ennonagel+vim@gmail.com>
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" Last Change: 2017 November 07
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" $MAN_PN is supposed to be set by MANPAGER, see ":help manpager.vim".
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if empty($MAN_PN)
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finish
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endif
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command! -nargs=0 MANPAGER call s:MANPAGER() | delcommand MANPAGER
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function! s:MANPAGER()
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let page_pattern = '\v\w[-_.:0-9A-Za-z]*'
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let sec_pattern = '\v\w+%(\+\w+)*'
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let pagesec_pattern = '\v(' . page_pattern . ')\((' . sec_pattern . ')\)'
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if $MAN_PN is '1'
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let manpage = tolower(matchstr( getline(nextnonblank(1)), '^' . pagesec_pattern ))
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else
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let manpage = expand($MAN_PN)
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endif
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let page_sec = matchlist(manpage, '^' . pagesec_pattern . '$')
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bwipe!
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setlocal filetype=man
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exe 'Man' page_sec[2] page_sec[1]
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endfunction
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