107 lines
3.0 KiB
VimL
107 lines
3.0 KiB
VimL
"===========================================================================
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" File: man.vim
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" Author: Gregory Thiemonge
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" License: public domain
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"===========================================================================
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function! ManSearchSelect(line)
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let l:elements = split(a:line, " ")
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if len(l:elements) > 2
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let l:page = l:elements[0]
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let l:section = substitute(l:elements[1], "[()]", "", "g")
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call ManWindow(l:page.":".l:section)
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endif
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endfunction
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function! Man(arg, ...)
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let l:env = "COLUMNS=".winwidth(0)
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if len(a:000) == 0
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let l:type = "man"
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else
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let l:type = a:1
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endif
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if l:type == "man"
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let l:command = "/usr/bin/man"
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elseif l:type == "whatis"
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let l:command = "/usr/bin/whatis"
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elseif l:type == "apropos"
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let l:command = "/usr/bin/apropos"
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endif
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if a:arg =~ "^[1-9][1-9]* .*$"
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let l:pos = matchend(a:arg, "^[1-9][1-9]* ")
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let l:section = strpart(a:arg, 0, l:pos-1)
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let l:page = strpart(a:arg, l:pos)
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elseif a:arg =~ "^.*:[1-9][1-9]*.*$"
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let l:pos = match(a:arg, ":[1-9][1-9]*.*$")
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let l:section = strpart(a:arg, l:pos+1)
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let l:page = strpart(a:arg, 0, l:pos)
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else
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let l:section = ""
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let l:page = a:arg
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endif
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if l:type == "man"
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let l:args = [ "-P cat", "-S 3:2:1:4:5:6:7:8", l:section, l:page ]
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let l:cmd = [ l:env, l:command ] + l:args
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else
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if l:section != ""
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let l:args = [ "-s", l:section, l:page ]
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else
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let l:args = [ l:page ]
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endif
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let l:cmd = [ l:env, l:command ] + l:args
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endif
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let l:contents = split(system(join(l:cmd, " ") . " 2>/dev/null"), "\n")
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if v:shell_error != 0
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throw "Not found"
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endif
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let l:line = 1
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for item in l:contents
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call setline(l:line, item)
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let l:line += 1
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endfor
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setlocal buftype=nofile
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setlocal bufhidden=delete
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setlocal noswapfile
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setlocal ft=man
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setlocal noma nomod ro
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set nonumber
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if l:type != "man"
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nnoremap <buffer> <silent> <Enter> :call ManSearchSelect(getline('.'))<cr>
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syntax match manTitle /^\S\S*\s(/he=e-2
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endif
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endfunction
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function! ManWindow(arg, ...)
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if len(a:000) == 0
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let l:type = "man"
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else
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let l:type = a:1
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endif
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try
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new
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call Man(a:arg, l:type)
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catch /Not found/
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bd
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echohl ErrorMsg
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echo "Man page not found"
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echohl None
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endtry
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wincmd p
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endfunction
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map <silent> K :call ManWindow(expand("<cword>"))<CR>
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command! -nargs=+ Man :call ManWindow("<args>")
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command! -nargs=+ Apropos :call ManWindow("<args>", "apropos")
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command! -nargs=+ Whatis :call ManWindow("<args>", "whatis")
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au BufReadCmd man://* call Man(strpart(expand("%"), len("man://")))
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au BufReadCmd whatis://* call Man(strpart(expand("%"), len("whatis://")), "whatis")
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au BufReadCmd apropos://* call Man(strpart(expand("%"), len("apropos://")), "apropos")
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