182 lines
4.4 KiB
VimL
182 lines
4.4 KiB
VimL
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" Vim filetype plugin file
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" Language: man
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" Maintainer: Nam SungHyun <namsh@kldp.org>
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" Last Change: 2007 Nov 30
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" To make the ":Man" command available before editing a manual page, source
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" this script from your startup vimrc file.
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" If 'filetype' isn't "man", we must have been called to only define ":Man".
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if &filetype == "man"
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" Only do this when not done yet for this buffer
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if exists("b:did_ftplugin")
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finish
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endif
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let b:did_ftplugin = 1
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" allow dot and dash in manual page name.
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setlocal iskeyword+=\.,-
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" Add mappings, unless the user didn't want this.
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if !exists("no_plugin_maps") && !exists("no_man_maps")
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if !hasmapto('<Plug>ManBS')
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nmap <buffer> <LocalLeader>h <Plug>ManBS
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endif
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nnoremap <buffer> <Plug>ManBS :%s/.\b//g<CR>:setl nomod<CR>''
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nnoremap <buffer> <c-]> :call <SID>PreGetPage(v:count)<CR>
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nnoremap <buffer> <c-t> :call <SID>PopPage()<CR>
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endif
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endif
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if exists(":Man") != 2
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com -nargs=+ Man call s:GetPage(<f-args>)
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nmap <Leader>K :call <SID>PreGetPage(0)<CR>
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endif
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" Define functions only once.
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if !exists("s:man_tag_depth")
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let s:man_tag_depth = 0
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let s:man_sect_arg = ""
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let s:man_find_arg = "-w"
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try
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if !has("win32") && $OSTYPE !~ 'cygwin\|linux' && system('uname -s') =~ "SunOS" && system('uname -r') =~ "^5"
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let s:man_sect_arg = "-s"
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let s:man_find_arg = "-l"
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endif
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catch /E145:/
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" Ignore the error in restricted mode
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endtry
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func <SID>PreGetPage(cnt)
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if a:cnt == 0
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let old_isk = &iskeyword
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setl iskeyword+=(,)
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let str = expand("<cword>")
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let &l:iskeyword = old_isk
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let page = substitute(str, '(*\(\k\+\).*', '\1', '')
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let sect = substitute(str, '\(\k\+\)(\([^()]*\)).*', '\2', '')
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if match(sect, '^[0-9 ]\+$') == -1
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let sect = ""
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endif
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if sect == page
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let sect = ""
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endif
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else
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let sect = a:cnt
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let page = expand("<cword>")
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endif
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call s:GetPage(sect, page)
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endfunc
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func <SID>GetCmdArg(sect, page)
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if a:sect == ''
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return a:page
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endif
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return s:man_sect_arg.' '.a:sect.' '.a:page
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endfunc
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func <SID>FindPage(sect, page)
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let where = system("/usr/bin/man ".s:man_find_arg.' '.s:GetCmdArg(a:sect, a:page))
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if where !~ "^/"
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if matchstr(where, " [^ ]*$") !~ "^ /"
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return 0
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endif
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endif
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return 1
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endfunc
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func <SID>GetPage(...)
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if a:0 >= 2
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let sect = a:1
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let page = a:2
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elseif a:0 >= 1
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let sect = ""
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let page = a:1
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else
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return
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endif
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" To support: nmap K :Man <cword>
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if page == '<cword>'
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let page = expand('<cword>')
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endif
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if sect != "" && s:FindPage(sect, page) == 0
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let sect = ""
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endif
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if s:FindPage(sect, page) == 0
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echo "\nCannot find a '".page."'."
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return
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endif
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exec "let s:man_tag_buf_".s:man_tag_depth." = ".bufnr("%")
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exec "let s:man_tag_lin_".s:man_tag_depth." = ".line(".")
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exec "let s:man_tag_col_".s:man_tag_depth." = ".col(".")
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let s:man_tag_depth = s:man_tag_depth + 1
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" Use an existing "man" window if it exists, otherwise open a new one.
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if &filetype != "man"
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let thiswin = winnr()
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exe "norm! \<C-W>b"
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if winnr() > 1
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exe "norm! " . thiswin . "\<C-W>w"
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while 1
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if &filetype == "man"
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break
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endif
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exe "norm! \<C-W>w"
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if thiswin == winnr()
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break
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endif
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endwhile
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endif
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if &filetype != "man"
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new
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setl nonu fdc=0
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endif
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endif
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silent exec "edit $HOME/".page.".".sect."~"
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" Avoid warning for editing the dummy file twice
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setl buftype=nofile noswapfile
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setl ma
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silent exec "norm 1GdG"
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let $MANWIDTH = winwidth(0)
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silent exec "r!/usr/bin/man ".s:GetCmdArg(sect, page)." | col -b"
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" Remove blank lines from top and bottom.
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while getline(1) =~ '^\s*$'
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silent norm ggdd
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endwhile
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while getline('$') =~ '^\s*$'
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silent norm Gdd
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endwhile
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1
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setl ft=man nomod
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setl bufhidden=hide
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setl nobuflisted
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endfunc
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func <SID>PopPage()
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if s:man_tag_depth > 0
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let s:man_tag_depth = s:man_tag_depth - 1
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exec "let s:man_tag_buf=s:man_tag_buf_".s:man_tag_depth
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exec "let s:man_tag_lin=s:man_tag_lin_".s:man_tag_depth
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exec "let s:man_tag_col=s:man_tag_col_".s:man_tag_depth
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exec s:man_tag_buf."b"
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exec s:man_tag_lin
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exec "norm ".s:man_tag_col."|"
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exec "unlet s:man_tag_buf_".s:man_tag_depth
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exec "unlet s:man_tag_lin_".s:man_tag_depth
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exec "unlet s:man_tag_col_".s:man_tag_depth
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unlet s:man_tag_buf s:man_tag_lin s:man_tag_col
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endif
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endfunc
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endif
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" vim: set sw=2:
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