1" Vim filetype plugin file 2" Language: man 3" Maintainer: SungHyun Nam <[email protected]> 4" Last Change: 2011 Jul 25 5 6" To make the ":Man" command available before editing a manual page, source 7" this script from your startup vimrc file. 8 9" If 'filetype' isn't "man", we must have been called to only define ":Man". 10if &filetype == "man" 11 12 " Only do this when not done yet for this buffer 13 if exists("b:did_ftplugin") 14 finish 15 endif 16 let b:did_ftplugin = 1 17 18 " Ensure Vim is not recursively invoked (man-db does this) 19 " when doing ctrl-[ on a man page reference. 20 if exists("$MANPAGER") 21 let $MANPAGER = "" 22 endif 23 24 " allow dot and dash in manual page name. 25 setlocal iskeyword+=\.,- 26 27 " Add mappings, unless the user didn't want this. 28 if !exists("no_plugin_maps") && !exists("no_man_maps") 29 if !hasmapto('<Plug>ManBS') 30 nmap <buffer> <LocalLeader>h <Plug>ManBS 31 endif 32 nnoremap <buffer> <Plug>ManBS :%s/.\b//g<CR>:setl nomod<CR>'' 33 34 nnoremap <buffer> <c-]> :call <SID>PreGetPage(v:count)<CR> 35 nnoremap <buffer> <c-t> :call <SID>PopPage()<CR> 36 endif 37 38endif 39 40if exists(":Man") != 2 41 com -nargs=+ Man call s:GetPage(<f-args>) 42 nmap <Leader>K :call <SID>PreGetPage(0)<CR> 43endif 44 45" Define functions only once. 46if !exists("s:man_tag_depth") 47 48let s:man_tag_depth = 0 49 50let s:man_sect_arg = "" 51let s:man_find_arg = "-w" 52try 53 if !has("win32") && $OSTYPE !~ 'cygwin\|linux' && system('uname -s') =~ "SunOS" && system('uname -r') =~ "^5" 54 let s:man_sect_arg = "-s" 55 let s:man_find_arg = "-l" 56 endif 57catch /E145:/ 58 " Ignore the error in restricted mode 59endtry 60 61func <SID>PreGetPage(cnt) 62 if a:cnt == 0 63 let old_isk = &iskeyword 64 setl iskeyword+=(,) 65 let str = expand("<cword>") 66 let &l:iskeyword = old_isk 67 let page = substitute(str, '(*\(\k\+\).*', '\1', '') 68 let sect = substitute(str, '\(\k\+\)(\([^()]*\)).*', '\2', '') 69 if match(sect, '^[0-9 ]\+$') == -1 70 let sect = "" 71 endif 72 if sect == page 73 let sect = "" 74 endif 75 else 76 let sect = a:cnt 77 let page = expand("<cword>") 78 endif 79 call s:GetPage(sect, page) 80endfunc 81 82func <SID>GetCmdArg(sect, page) 83 if a:sect == '' 84 return a:page 85 endif 86 return s:man_sect_arg.' '.a:sect.' '.a:page 87endfunc 88 89func <SID>FindPage(sect, page) 90 let where = system("/usr/bin/man ".s:man_find_arg.' '.s:GetCmdArg(a:sect, a:page)) 91 if where !~ "^/" 92 if matchstr(where, " [^ ]*$") !~ "^ /" 93 return 0 94 endif 95 endif 96 return 1 97endfunc 98 99func <SID>GetPage(...) 100 if a:0 >= 2 101 let sect = a:1 102 let page = a:2 103 elseif a:0 >= 1 104 let sect = "" 105 let page = a:1 106 else 107 return 108 endif 109 110 " To support: nmap K :Man <cword> 111 if page == '<cword>' 112 let page = expand('<cword>') 113 endif 114 115 if sect != "" && s:FindPage(sect, page) == 0 116 let sect = "" 117 endif 118 if s:FindPage(sect, page) == 0 119 echo "\nCannot find a '".page."'." 120 return 121 endif 122 exec "let s:man_tag_buf_".s:man_tag_depth." = ".bufnr("%") 123 exec "let s:man_tag_lin_".s:man_tag_depth." = ".line(".") 124 exec "let s:man_tag_col_".s:man_tag_depth." = ".col(".") 125 let s:man_tag_depth = s:man_tag_depth + 1 126 127 " Use an existing "man" window if it exists, otherwise open a new one. 128 if &filetype != "man" 129 let thiswin = winnr() 130 exe "norm! \<C-W>b" 131 if winnr() > 1 132 exe "norm! " . thiswin . "\<C-W>w" 133 while 1 134 if &filetype == "man" 135 break 136 endif 137 exe "norm! \<C-W>w" 138 if thiswin == winnr() 139 break 140 endif 141 endwhile 142 endif 143 if &filetype != "man" 144 new 145 setl nonu fdc=0 146 endif 147 endif 148 silent exec "edit $HOME/".page.".".sect."~" 149 " Avoid warning for editing the dummy file twice 150 setl buftype=nofile noswapfile 151 152 setl ma 153 silent exec "norm 1GdG" 154 let $MANWIDTH = winwidth(0) 155 silent exec "r!/usr/bin/man ".s:GetCmdArg(sect, page)." | col -b" 156 " Remove blank lines from top and bottom. 157 while getline(1) =~ '^\s*$' 158 silent norm ggdd 159 endwhile 160 while getline('$') =~ '^\s*$' 161 silent norm Gdd 162 endwhile 163 1 164 setl ft=man nomod 165 setl bufhidden=hide 166 setl nobuflisted 167endfunc 168 169func <SID>PopPage() 170 if s:man_tag_depth > 0 171 let s:man_tag_depth = s:man_tag_depth - 1 172 exec "let s:man_tag_buf=s:man_tag_buf_".s:man_tag_depth 173 exec "let s:man_tag_lin=s:man_tag_lin_".s:man_tag_depth 174 exec "let s:man_tag_col=s:man_tag_col_".s:man_tag_depth 175 exec s:man_tag_buf."b" 176 exec s:man_tag_lin 177 exec "norm ".s:man_tag_col."|" 178 exec "unlet s:man_tag_buf_".s:man_tag_depth 179 exec "unlet s:man_tag_lin_".s:man_tag_depth 180 exec "unlet s:man_tag_col_".s:man_tag_depth 181 unlet s:man_tag_buf s:man_tag_lin s:man_tag_col 182 endif 183endfunc 184 185endif 186 187" vim: set sw=2: 188