diff --git a/.vim/ftplugin/man.vim b/.vim/ftplugin/man.vim index 28b7e24..cbace44 100644 --- a/.vim/ftplugin/man.vim +++ b/.vim/ftplugin/man.vim @@ -1,7 +1,8 @@ " Vim filetype plugin file " Language: man " Maintainer: SungHyun Nam -" Last Change: 2014 Dec 29 +" Last Change: 2019 Sep 26 +" (fix by Jason Franklin) " To make the ":Man" command available before editing a manual page, source " this script from your startup vimrc file. @@ -14,34 +15,49 @@ if &filetype == "man" finish endif let b:did_ftplugin = 1 +endif - " Ensure Vim is not recursively invoked (man-db does this) - " when doing ctrl-[ on a man page reference. - if exists("$MANPAGER") - let $MANPAGER = "" - endif +let s:cpo_save = &cpo +set cpo-=C +if &filetype == "man" " allow dot and dash in manual page name. setlocal iskeyword+=\.,- + let b:undo_ftplugin = "setlocal iskeyword<" " Add mappings, unless the user didn't want this. if !exists("no_plugin_maps") && !exists("no_man_maps") if !hasmapto('ManBS') nmap h ManBS + let b:undo_ftplugin = b:undo_ftplugin + \ . '|silent! nunmap h' endif nnoremap ManBS :%s/.\b//g:setl nomod'' nnoremap :call PreGetPage(v:count) nnoremap :call PopPage() + nnoremap q :q + + " Add undo commands for the maps + let b:undo_ftplugin = b:undo_ftplugin + \ . '|silent! nunmap ManBS' + \ . '|silent! nunmap ' + \ . '|silent! nunmap ' + \ . '|silent! nunmap q' endif - let b:undo_ftplugin = "setlocal iskeyword<" + if exists('g:ft_man_folding_enable') && (g:ft_man_folding_enable == 1) + setlocal foldmethod=indent foldnestmax=1 foldenable + let b:undo_ftplugin = b:undo_ftplugin + \ . '|silent! setl fdm< fdn< fen<' + endif endif if exists(":Man") != 2 - com -nargs=+ Man call s:GetPage() + com -nargs=+ -complete=shellcmd Man call s:GetPage(, ) nmap K :call PreGetPage(0) + nmap ManPreGetPage :call PreGetPage(0) endif " Define functions only once. @@ -91,7 +107,7 @@ func GetCmdArg(sect, page) endfunc func FindPage(sect, page) - let where = system("/usr/bin/man ".s:man_find_arg.' '.s:GetCmdArg(a:sect, a:page)) + let where = system("man ".s:man_find_arg.' '.s:GetCmdArg(a:sect, a:page)) if where !~ "^/" if matchstr(where, " [^ ]*$") !~ "^ /" return 0 @@ -100,7 +116,7 @@ func FindPage(sect, page) return 1 endfunc -func GetPage(...) +func GetPage(cmdmods, ...) if a:0 >= 2 let sect = a:1 let page = a:2 @@ -116,11 +132,17 @@ func GetPage(...) let page = expand('') endif - if sect != "" && s:FindPage(sect, page) == 0 - let sect = "" + 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 - echo "\nCannot find a '".page."'." + let msg = "\nNo manual entry for ".page + if sect != "" + let msg .= " in section ".sect + endif + echo msg return endif exec "let s:man_tag_buf_".s:man_tag_depth." = ".bufnr("%") @@ -128,6 +150,8 @@ func GetPage(...) 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() @@ -145,29 +169,60 @@ func GetPage(...) endwhile endif if &filetype != "man" - new - setl nonu fdc=0 + 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 exec "edit $HOME/".page.".".sect."~" + + silent execute open_cmd . " $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 $MANWIDTH = winwidth(0) - silent exec "r!/usr/bin/man ".s:GetCmdArg(sect, page)." | col -b" + setl fdc=0 ma nofen nonu nornu + silent exec "norm! 1GdG" + let unsetwidth = 0 + if empty($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 + while line('$') > 1 && getline(1) =~ '^\s*$' + silent keepj norm! ggdd endwhile - while getline('$') =~ '^\s*$' - silent keepj norm Gdd + while line('$') > 1 && getline('$') =~ '^\s*$' + silent keepj norm! Gdd endwhile 1 setl ft=man nomod setl bufhidden=hide setl nobuflisted + setl noma endfunc func PopPage() @@ -178,7 +233,7 @@ func PopPage() 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 "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 @@ -188,4 +243,7 @@ endfunc endif -" vim: set sw=2: +let &cpo = s:cpo_save +unlet s:cpo_save + +" vim: set sw=2 ts=8 noet: