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" Vim filetype plugin autoload file " Language: man " Maintainer: Jason Franklin <jason@oneway.dev> " Maintainer: SungHyun Nam <goweol@gmail.com> " Autoload Split: Bram Moolenaar " Last Change: 2023 Jun 28 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") && $OSTYPE !~ 'cygwin\|linux' && system('uname -s') =~ "SunOS" && system('uname -r') =~ "^5" let s:man_sect_arg = "-s" let s:man_find_arg = "-l" endif catch /E145:/ " Ignore the error in restricted mode endtry func s:ParseIntoPageAndSection() " Accommodate a reference that terminates in a hyphen. " " See init_charset_table() at " https://git.savannah.gnu.org/cgit/groff.git/tree/src/roff/troff/input.cpp?h=1.22.4#n6794 " " See can_break_after() at " https://git.savannah.gnu.org/cgit/groff.git/tree/src/roff/troff/charinfo.h?h=1.22.4#n140 " " Assumptions and limitations: " 1) Manual-page references (in consequence of command-related filenames) " do not contain non-ASCII HYPHENs (0x2010), any terminating HYPHEN " must have been introduced to mark division of a word at the end of " a line and can be discarded; whereas similar references may contain " ASCII HYPHEN-MINUSes (0x002d) and any terminating HYPHEN-MINUS forms " a compound word in addition to marking word division. " 2) Well-formed manual-page references always have a section suffix, e.g. " "git-commit(1)", therefore suspended hyphenated compounds are not " determined, e.g. [V] (With cursor at _git-merge-_ below...) " ".................... git-merge- and git-merge-base. (See git-cherry- " pick(1) and git-cherry(1).)" (... look up "git-merge-pick(1)".) " " Note that EM DASH (0x2014), a third stooge from init_charset_table(), " neither connects nor divides parts of a word. let str = expand("<cWORD>") if str =~ '\%u2010$' " HYPHEN (-1). let str = strpart(str, 0, strridx(str, "\u2010")) " Append the leftmost WORD (or an empty string) from the line below. let str .= get(split(get(getbufline(bufnr('%'), line('.') + 1), 0, '')), 0, '') elseif str =~ '-$' " HYPHEN-MINUS. " Append the leftmost WORD (or an empty string) from the line below. let str .= get(split(get(getbufline(bufnr('%'), line('.') + 1), 0, '')), 0, '') endif " According to man(1), section name formats vary (MANSECT): " 1 n l 8 3 2 3posix 3pm 3perl 3am 5 4 9 6 7 let parts = matchlist(str, '\(\k\+\)(\(\k\+\))') return (len(parts) > 2) \ ? {'page': parts[1], 'section': parts[2]} \ : {'page': matchstr(str, '\k\+'), 'section': ''} endfunc func dist#man#PreGetPage(cnt) if a:cnt == 0 let what = s:ParseIntoPageAndSection() let sect = what.section let page = what.page else let what = s:ParseIntoPageAndSection() let sect = a:cnt let page = what.page 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><CR> if page ==? '<cword>' let what = s:ParseIntoPageAndSection() let sect = what.section let page = what.page 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) silent exec "r !" . man_cmd " Emulate piping the buffer through the "col -b" command. " Ref: https://github.com/vim/vim/issues/12301 exe 'silent! keepjumps keeppatterns %s/\v(.)\b\ze\1?//e' .. (&gdefault ? '' : 'g') 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" call cursor(s:man_tag_lin, 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: