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-rw-r--r--runtime/autoload/dist/man.vim196
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+" Vim filetype plugin autoload file
+" Language: man
+" Maintainer: Jason Franklin <vim@justemail.net>
+" Maintainer: SungHyun Nam <goweol@gmail.com>
+" Autoload Split: Bram Moolenaar
+" Last Change: 2022 Jun 18
+
+let s:cpo_save = &cpo
+set cpo-=C
+
+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 dist#man#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 dist#man#GetPage('', sect, page)
+endfunc
+
+func s:GetCmdArg(sect, page)
+
+ if empty(a:sect)
+ return shellescape(a:page)
+ endif
+
+ return s:man_sect_arg . ' ' . shellescape(a:sect) . ' ' . shellescape(a:page)
+endfunc
+
+func s:FindPage(sect, page)
+ let l:cmd = printf('man %s %s', s:man_find_arg, s:GetCmdArg(a:sect, a:page))
+ call system(l:cmd)
+
+ if v:shell_error
+ return 0
+ endif
+
+ return 1
+endfunc
+
+func dist#man#GetPage(cmdmods, ...)
+ 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 !exists('g:ft_man_no_sect_fallback') || (g:ft_man_no_sect_fallback == 0)
+ if sect != "" && s:FindPage(sect, page) == 0
+ let sect = ""
+ endif
+ endif
+ if s:FindPage(sect, page) == 0
+ let msg = 'man.vim: no manual entry for "' . page . '"'
+ if !empty(sect)
+ let msg .= ' in section ' . sect
+ endif
+ echomsg msg
+ 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
+
+ let open_cmd = 'edit'
+
+ " 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'
+ let open_cmd = 'vsplit'
+ elseif g:ft_man_open_mode == 'tab'
+ let open_cmd = 'tabedit'
+ else
+ let open_cmd = 'split'
+ endif
+ else
+ let open_cmd = a:cmdmods . ' split'
+ endif
+ endif
+ endif
+
+ silent execute open_cmd . " $HOME/" . page . '.' . sect . '~'
+
+ " Avoid warning for editing the dummy file twice
+ setl buftype=nofile noswapfile
+
+ setl fdc=0 ma nofen nonu nornu
+ %delete _
+ let unsetwidth = 0
+ if empty($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 env_cmd .= ' GROFF_NO_SGR=1'
+ let man_cmd = env_cmd . ' man ' . s:GetCmdArg(sect, page) . ' | col -b'
+ silent exec "r !" . man_cmd
+
+ if unsetwidth
+ let $MANWIDTH = ''
+ endif
+ " Remove blank lines from top and bottom.
+ while line('$') > 1 && getline(1) =~ '^\s*$'
+ 1delete _
+ endwhile
+ while line('$') > 1 && getline('$') =~ '^\s*$'
+ $delete _
+ endwhile
+ 1
+ setl ft=man nomod
+ setl bufhidden=hide
+ setl nobuflisted
+ setl noma
+endfunc
+
+func dist#man#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
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: set sw=2 ts=8 noet: