diff options
Diffstat (limited to 'home/.config/nvim')
| -rw-r--r-- | home/.config/nvim/autoload/man.vim | 412 |
1 files changed, 0 insertions, 412 deletions
diff --git a/home/.config/nvim/autoload/man.vim b/home/.config/nvim/autoload/man.vim deleted file mode 100644 index c6f49339..00000000 --- a/home/.config/nvim/autoload/man.vim +++ /dev/null @@ -1,412 +0,0 @@ -" Maintainer: Anmol Sethi <anmol@aubble.com> - -if exists('s:loaded_man') - finish -endif -let s:loaded_man = 1 - -let s:find_arg = '-w' -let s:localfile_arg = v:true " Always use -l if possible. #6683 -let s:section_arg = '-s' - -function! s:init_section_flag() - call system(['env', 'MANPAGER=cat', 'man', s:section_arg, '1', 'man']) - if v:shell_error - let s:section_arg = '-S' - endif -endfunction - -function! s:init() abort - call s:init_section_flag() - " TODO(nhooyr): Does `man -l` on SunOS list searched directories? - try - if !has('win32') && $OSTYPE !~? 'cygwin\|linux' && system('uname -s') =~? 'SunOS' && system('uname -r') =~# '^5' - let s:find_arg = '-l' - endif - " Check for -l support. - call s:get_page(s:get_path('', 'man')) - catch /E145:/ - " Ignore the error in restricted mode - catch /command error .*/ - let s:localfile_arg = v:false - endtry -endfunction - -function! man#open_page(count, count1, mods, ...) abort - if a:0 > 2 - call s:error('too many arguments') - return - elseif a:0 == 0 - let ref = &filetype ==# 'man' ? expand('<cWORD>') : expand('<cword>') - if empty(ref) - call s:error('no identifier under cursor') - return - endif - elseif a:0 ==# 1 - let ref = a:1 - else - " Combine the name and sect into a manpage reference so that all - " verification/extraction can be kept in a single function. - " If a:2 is a reference as well, that is fine because it is the only - " reference that will match. - let ref = a:2.'('.a:1.')' - endif - try - let [sect, name] = man#extract_sect_and_name_ref(ref) - if a:count ==# a:count1 - " v:count defaults to 0 which is a valid section, and v:count1 defaults to - " 1, also a valid section. If they are equal, count explicitly set. - let sect = string(a:count) - endif - let [sect, name, path] = s:verify_exists(sect, name) - catch - call s:error(v:exception) - return - endtry - - call s:push_tag() - let bufname = 'man://'.name.(empty(sect)?'':'('.sect.')') - - try - set eventignore+=BufReadCmd - if a:mods !~# 'tab' && s:find_man() - execute 'silent keepalt edit' fnameescape(bufname) - else - execute 'silent keepalt' a:mods 'split' fnameescape(bufname) - endif - finally - set eventignore-=BufReadCmd - endtry - - try - let page = s:get_page(path) - catch - if a:mods =~# 'tab' || !s:find_man() - " a new window was opened - close - endif - call s:error(v:exception) - return - endtry - - let b:man_sect = sect - call s:put_page(page) -endfunction - -function! man#read_page(ref) abort - try - let [sect, name] = man#extract_sect_and_name_ref(a:ref) - let [sect, name, path] = s:verify_exists(sect, name) - let page = s:get_page(path) - catch - call s:error(v:exception) - return - endtry - let b:man_sect = sect - call s:put_page(page) -endfunction - -" Handler for s:system() function. -function! s:system_handler(jobid, data, event) dict abort - if a:event is# 'stdout' || a:event is# 'stderr' - let self[a:event] .= join(a:data, "\n") - else - let self.exit_code = a:data - endif -endfunction - -" Run a system command and timeout after 30 seconds. -function! s:system(cmd, ...) abort - let opts = { - \ 'stdout': '', - \ 'stderr': '', - \ 'exit_code': 0, - \ 'on_stdout': function('s:system_handler'), - \ 'on_stderr': function('s:system_handler'), - \ 'on_exit': function('s:system_handler'), - \ } - let jobid = jobstart(a:cmd, opts) - - if jobid < 1 - throw printf('command error %d: %s', jobid, join(a:cmd)) - endif - - let res = jobwait([jobid], 30000) - if res[0] == -1 - try - call jobstop(jobid) - throw printf('command timed out: %s', join(a:cmd)) - catch /^Vim(call):E900:/ - endtry - elseif res[0] == -2 - throw printf('command interrupted: %s', join(a:cmd)) - endif - if opts.exit_code != 0 - throw printf("command error (%d) %s: %s", jobid, join(a:cmd), substitute(opts.stderr, '\_s\+$', '', &gdefault ? '' : 'g')) - endif - - return opts.stdout -endfunction - -function! s:get_page(path) abort - " Disable hard-wrap by using a big $MANWIDTH (max 1000 on some systems #9065). - " We use soft wrap: ftplugin/man.vim sets wrap/breakindent/…. - let manwidth = 999 - if exists('g:man_hard_wrap') - " Respect $MANWIDTH or default to window width. - let manwidth = empty($MANWIDTH) ? winwidth(0) : $MANWIDTH - endif - " Force MANPAGER=cat to ensure Vim is not recursively invoked (by man-db). - " http://comments.gmane.org/gmane.editors.vim.devel/29085 - " Set MAN_KEEP_FORMATTING so Debian man doesn't discard backspaces. - let cmd = ['env', 'MANPAGER=cat', 'MANWIDTH='.manwidth, 'MAN_KEEP_FORMATTING=1', 'man'] - return s:system(cmd + (s:localfile_arg ? ['-l', a:path] : [a:path])) -endfunction - -function! s:put_page(page) abort - setlocal modifiable - setlocal noreadonly - silent keepjumps %delete _ - silent put =a:page - while getline(1) =~# '^\s*$' - silent keepjumps 1delete _ - endwhile - " XXX: nroff justifies text by filling it with whitespace. That interacts - " badly with our use of $MANWIDTH=999. Hack around this by using a fixed - " size for those whitespace regions. - silent! keeppatterns keepjumps %s/\s\{199,}/\=repeat(' ', 10)/g - 1 - lua require("man").highlight_man_page() - setlocal filetype=man -endfunction - -function! man#show_toc() abort - let bufname = bufname('%') - let info = getloclist(0, {'winid': 1}) - if !empty(info) && getwinvar(info.winid, 'qf_toc') ==# bufname - lopen - return - endif - - let toc = [] - let lnum = 2 - let last_line = line('$') - 1 - while lnum && lnum < last_line - let text = getline(lnum) - if text =~# '^\%( \{3\}\)\=\S.*$' - call add(toc, {'bufnr': bufnr('%'), 'lnum': lnum, 'text': text}) - endif - let lnum = nextnonblank(lnum + 1) - endwhile - - call setloclist(0, toc, ' ') - call setloclist(0, [], 'a', {'title': 'Man TOC'}) - lopen - let w:qf_toc = bufname -endfunction - -" attempt to extract the name and sect out of 'name(sect)' -" otherwise just return the largest string of valid characters in ref -function! man#extract_sect_and_name_ref(ref) abort - if a:ref[0] ==# '-' " try ':Man -pandoc' with this disabled. - throw 'manpage name cannot start with ''-''' - endif - let ref = matchstr(a:ref, '[^()]\+([^()]\+)') - if empty(ref) - let name = matchstr(a:ref, '[^()]\+') - if empty(name) - throw 'manpage reference cannot contain only parentheses' - endif - return [get(b:, 'man_default_sects', ''), name] - endif - let left = split(ref, '(') - " see ':Man 3X curses' on why tolower. - " TODO(nhooyr) Not sure if this is portable across OSs - " but I have not seen a single uppercase section. - return [tolower(split(left[1], ')')[0]), left[0]] -endfunction - -function! s:get_path(sect, name) abort - " Some man implementations (OpenBSD) return all available paths from the - " search command, so we get() the first one. #8341 - if empty(a:sect) - return substitute(get(split(s:system(['man', s:find_arg, a:name])), 0, ''), '\n\+$', '', '') - endif - " '-s' flag handles: - " - tokens like 'printf(echo)' - " - sections starting with '-' - " - 3pcap section (found on macOS) - " - commas between sections (for section priority) - return substitute(get(split(s:system(['man', s:find_arg, s:section_arg, a:sect, a:name])), 0, ''), '\n\+$', '', '') -endfunction - -function! s:verify_exists(sect, name) abort - try - let path = s:get_path(a:sect, a:name) - catch /^command error (/ - try - let path = s:get_path(get(b:, 'man_default_sects', ''), a:name) - catch /^command error (/ - let path = s:get_path('', a:name) - endtry - endtry - " Extract the section from the path, because sometimes the actual section is - " more specific than what we provided to `man` (try `:Man 3 App::CLI`). - " Also on linux, name seems to be case-insensitive. So for `:Man PRIntf`, we - " still want the name of the buffer to be 'printf'. - return s:extract_sect_and_name_path(path) + [path] -endfunction - -let s:tag_stack = [] - -function! s:push_tag() abort - let s:tag_stack += [{ - \ 'buf': bufnr('%'), - \ 'lnum': line('.'), - \ 'col': col('.'), - \ }] -endfunction - -function! man#pop_tag() abort - if !empty(s:tag_stack) - let tag = remove(s:tag_stack, -1) - execute 'silent' tag['buf'].'buffer' - call cursor(tag['lnum'], tag['col']) - endif -endfunction - -" extracts the name and sect out of 'path/name.sect' -function! s:extract_sect_and_name_path(path) abort - let tail = fnamemodify(a:path, ':t') - if a:path =~# '\.\%([glx]z\|bz2\|lzma\|Z\)$' " valid extensions - let tail = fnamemodify(tail, ':r') - endif - let sect = matchstr(tail, '\.\zs[^.]\+$') - let name = matchstr(tail, '^.\+\ze\.') - return [sect, name] -endfunction - -function! s:find_man() abort - if &filetype ==# 'man' - return 1 - elseif winnr('$') ==# 1 - return 0 - endif - let thiswin = winnr() - while 1 - wincmd w - if &filetype ==# 'man' - return 1 - elseif thiswin ==# winnr() - return 0 - endif - endwhile -endfunction - -function! s:error(msg) abort - redraw - echohl ErrorMsg - echon 'man.vim: ' a:msg - echohl None -endfunction - -" see man#extract_sect_and_name_ref on why tolower(sect) -function! man#complete(arg_lead, cmd_line, cursor_pos) abort - let args = split(a:cmd_line) - let cmd_offset = index(args, 'Man') - if cmd_offset > 0 - " Prune all arguments up to :Man itself. Otherwise modifier commands like - " :tab, :vertical, etc. would lead to a wrong length. - let args = args[cmd_offset:] - endif - let l = len(args) - if l > 3 - return - elseif l ==# 1 - let name = '' - let sect = '' - elseif a:arg_lead =~# '^[^()]\+([^()]*$' - " cursor (|) is at ':Man printf(|' or ':Man 1 printf(|' - " The later is is allowed because of ':Man pri<TAB>'. - " It will offer 'priclass.d(1m)' even though section is specified as 1. - let tmp = split(a:arg_lead, '(') - let name = tmp[0] - let sect = tolower(get(tmp, 1, '')) - return s:complete(sect, '', name) - elseif args[1] !~# '^[^()]\+$' - " cursor (|) is at ':Man 3() |' or ':Man (3|' or ':Man 3() pri|' - " or ':Man 3() pri |' - return - elseif l ==# 2 - if empty(a:arg_lead) - " cursor (|) is at ':Man 1 |' - let name = '' - let sect = tolower(args[1]) - else - " cursor (|) is at ':Man pri|' - if a:arg_lead =~# '\/' - " if the name is a path, complete files - " TODO(nhooyr) why does this complete the last one automatically - return glob(a:arg_lead.'*', 0, 1) - endif - let name = a:arg_lead - let sect = '' - endif - elseif a:arg_lead !~# '^[^()]\+$' - " cursor (|) is at ':Man 3 printf |' or ':Man 3 (pr)i|' - return - else - " cursor (|) is at ':Man 3 pri|' - let name = a:arg_lead - let sect = tolower(args[1]) - endif - return s:complete(sect, sect, name) -endfunction - -function! s:complete(sect, psect, name) abort - try - let mandirs = join(split(s:system(['man', s:find_arg]), ':\|\n'), ',') - catch - call s:error(v:exception) - return - endtry - let pages = globpath(mandirs,'man?/'.a:name.'*.'.a:sect.'*', 0, 1) - " We remove duplicates in case the same manpage in different languages was found. - return uniq(sort(map(pages, 's:format_candidate(v:val, a:psect)'), 'i')) -endfunction - -function! s:format_candidate(path, psect) abort - if a:path =~# '\.\%(pdf\|in\)$' " invalid extensions - return - endif - let [sect, name] = s:extract_sect_and_name_path(a:path) - if sect ==# a:psect - return name - elseif sect =~# a:psect.'.\+$' - " We include the section if the user provided section is a prefix - " of the actual section. - return name.'('.sect.')' - endif -endfunction - -function! man#init_pager() abort - if getline(1) =~# '^\s*$' - silent keepjumps 1delete _ - else - keepjumps 1 - endif - lua require("man").highlight_man_page() - " Guess the ref from the heading (which is usually uppercase, so we cannot - " know the correct casing, cf. `man glDrawArraysInstanced`). - let ref = substitute(matchstr(getline(1), '^[^)]\+)'), ' ', '_', 'g') - try - let b:man_sect = man#extract_sect_and_name_ref(ref)[0] - catch - let b:man_sect = '' - endtry - if -1 == match(bufname('%'), 'man:\/\/') " Avoid duplicate buffers, E95. - execute 'silent file man://'.tolower(fnameescape(ref)) - endif -endfunction - -call s:init() |