code.delx.au - dotfiles/blob - .vim/commenter.vim

   1 " Commenting of lines! Stolen & modified from vim.org's ToggleCommentify
   2 map <C-c> :call ToggleCommentify()<CR>j
   3 imap <C-c> <ESC>:call ToggleCommentify()<CR>j
   4 " The nice thing about these mapping is that you don't have to select a visual block to comment
   5 " ... just keep the CTRL-key pressed down and tap on 'c' as often as you need.
   6
   7 function! ToggleCommentify()
   8         let lineString = getline(".")
   9         if lineString != $                                                                      " don't comment empty lines
  10                 let isCommented = strpart(lineString,0,3)               " getting the first 3 symbols
  11                 let commentSymbol = ''
  12
  13                 let commentMapping = {
  14                                         \'###': ['python', 'sh', 'muttrc', 'sshconfig', 'make', 'vrml', 'ruby', 'perl'],
  15                                         \'///': ['ox', 'java', 'cpp', 'c', 'php', 'javascript'],
  16                                         \'"""': ['vim'],
  17                                         \'!!!': ['xdefaults'],
  18                                         \'%%%': ['tex']
  19                                 \}
  20
  21                 for commentChar in keys(commentMapping)
  22                         for name in commentMapping[commentChar]
  23                                 if &filetype == name
  24                                         let commentSymbol = commentChar
  25                                 endif
  26                         endfor
  27                 endfor
  28
  29                 if commentSymbol == ''
  30                         execute 'echo "ToggleCommentify has not (yet) been implemented for the file-type " . &filetype'
  31                 else
  32                         if isCommented == commentSymbol
  33                                 call UnCommentify(commentSymbol)                        " if the line is already commented, uncomment
  34                         else
  35                                 call Commentify(commentSymbol)                          " if the line is uncommented, comment
  36                         endif
  37                 endif
  38         endif
  39 endfunction
  40
  41 function! Commentify(commentSymbol)
  42         execute ':s+^+'.a:commentSymbol.'+'
  43         nohlsearch
  44 endfunction
  45
  46 function! UnCommentify(commentSymbol)
  47         execute ':s+'.a:commentSymbol.'++'
  48         nohlsearch
  49 endfunction
  50