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ftplugin
man.vim
" Vim filetype plugin file " Language: man " Maintainer: SungHyun Nam <goweol@gmail.com> " Last Change: 2018 Jan 15 " To make the ":Man" command available before editing a manual page, source " this script from your startup vimrc file. " If 'filetype' isn't "man", we must have been called to only define ":Man". if &filetype == "man" " Only do this when not done yet for this buffer if exists("b:did_ftplugin") finish endif let b:did_ftplugin = 1 " allow dot and dash in manual page name. setlocal iskeyword+=\.,- " Add mappings, unless the user didn't want this. if !exists("no_plugin_maps") && !exists("no_man_maps") if !hasmapto('<Plug>ManBS') nmap <buffer> <LocalLeader>h <Plug>ManBS endif nnoremap <buffer> <Plug>ManBS :%s/.\b//g<CR>:setl nomod<CR>'' nnoremap <buffer> <c-]> :call <SID>PreGetPage(v:count)<CR> nnoremap <buffer> <c-t> :call <SID>PopPage()<CR> nnoremap <buffer> <silent> q :q<CR> endif if exists('g:ft_man_folding_enable') && (g:ft_man_folding_enable == 1) setlocal foldmethod=indent foldnestmax=1 foldenable endif let b:undo_ftplugin = "setlocal iskeyword<" endif if exists(":Man") != 2 com -nargs=+ -complete=shellcmd Man call s:GetPage(<f-args>) nmap <Leader>K :call <SID>PreGetPage(0)<CR> nmap <Plug>ManPreGetPage :call <SID>PreGetPage(0)<CR> endif " Define functions only once. if !exists("s:man_tag_depth") let s:man_tag_depth = 0 let s:man_sect_arg = "" let s:man_find_arg = "-w" try if !has("win32") && $OSTYPE !~ 'cygwin\|linux' && system('uname -s') =~ "SunOS" && system('uname -r') =~ "^5" let s:man_sect_arg = "-s" let s:man_find_arg = "-l" endif catch /E145:/ " Ignore the error in restricted mode endtry func <SID>PreGetPage(cnt) if a:cnt == 0 let old_isk = &iskeyword if &ft == 'man' setl iskeyword+=(,) endif let str = expand("<cword>") let &l:iskeyword = old_isk let page = substitute(str, '(*\(\k\+\).*', '\1', '') let sect = substitute(str, '\(\k\+\)(\([^()]*\)).*', '\2', '') if match(sect, '^[0-9 ]\+$') == -1 let sect = "" endif if sect == page let sect = "" endif else let sect = a:cnt let page = expand("<cword>") endif call s:GetPage(sect, page) endfunc func <SID>GetCmdArg(sect, page) if a:sect == '' return a:page endif return s:man_sect_arg.' '.a:sect.' '.a:page endfunc func <SID>FindPage(sect, page) let where = system("man ".s:man_find_arg.' '.s:GetCmdArg(a:sect, a:page)) if where !~ "^/" if matchstr(where, " [^ ]*$") !~ "^ /" return 0 endif endif return 1 endfunc func <SID>GetPage(...) if a:0 >= 2 let sect = a:1 let page = a:2 elseif a:0 >= 1 let sect = "" let page = a:1 else return endif " To support: nmap K :Man <cword> if page == '<cword>' let page = expand('<cword>') endif if sect != "" && s:FindPage(sect, page) == 0 let sect = "" endif if s:FindPage(sect, page) == 0 echo "\nCannot find a '".page."'." return endif exec "let s:man_tag_buf_".s:man_tag_depth." = ".bufnr("%") exec "let s:man_tag_lin_".s:man_tag_depth." = ".line(".") exec "let s:man_tag_col_".s:man_tag_depth." = ".col(".") let s:man_tag_depth = s:man_tag_depth + 1 " Use an existing "man" window if it exists, otherwise open a new one. if &filetype != "man" let thiswin = winnr() exe "norm! \<C-W>b" if winnr() > 1 exe "norm! " . thiswin . "\<C-W>w" while 1 if &filetype == "man" break endif exe "norm! \<C-W>w" if thiswin == winnr() break endif endwhile endif if &filetype != "man" if exists("g:ft_man_open_mode") if g:ft_man_open_mode == "vert" vnew elseif g:ft_man_open_mode == "tab" tabnew else new endif else new endif setl nonu fdc=0 endif endif silent exec "edit $HOME/".page.".".sect."~" " Avoid warning for editing the dummy file twice setl buftype=nofile noswapfile setl ma nonu nornu nofen silent exec "norm 1GdG" let unsetwidth = 0 if empty($MANWIDTH) let $MANWIDTH = winwidth(0) let unsetwidth = 1 endif " Ensure Vim is not recursively invoked (man-db does this) when doing ctrl-[ " on a man page reference by unsetting MANPAGER. " Some versions of env(1) do not support the '-u' option, and in such case " we set MANPAGER=cat. if !exists('s:env_has_u') call system('env -u x true') let s:env_has_u = (v:shell_error == 0) endif let env_cmd = s:env_has_u ? 'env -u MANPAGER' : 'env MANPAGER=cat' let man_cmd = env_cmd . ' man ' . s:GetCmdArg(sect, page) . ' | col -b' silent exec "r !" . man_cmd if unsetwidth let $MANWIDTH = '' endif " Remove blank lines from top and bottom. while getline(1) =~ '^\s*$' silent keepj norm ggdd endwhile while getline('$') =~ '^\s*$' silent keepj norm Gdd endwhile 1 setl ft=man nomod setl bufhidden=hide setl nobuflisted setl noma endfunc func <SID>PopPage() if s:man_tag_depth > 0 let s:man_tag_depth = s:man_tag_depth - 1 exec "let s:man_tag_buf=s:man_tag_buf_".s:man_tag_depth exec "let s:man_tag_lin=s:man_tag_lin_".s:man_tag_depth exec "let s:man_tag_col=s:man_tag_col_".s:man_tag_depth exec s:man_tag_buf."b" exec s:man_tag_lin exec "norm ".s:man_tag_col."|" exec "unlet s:man_tag_buf_".s:man_tag_depth exec "unlet s:man_tag_lin_".s:man_tag_depth exec "unlet s:man_tag_col_".s:man_tag_depth unlet s:man_tag_buf s:man_tag_lin s:man_tag_col endif endfunc endif " vim: set sw=2 ts=8 noet:
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