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
   5 " block to comment ... just keep the CTRL-key pressed down and tap on 'c' as
   6 " often as you need.
   7
   8 function! ToggleCommentify()
   9         let lineString = getline(".")
  10         if strlen(lineString) == 0
  11                 " don't comment empty lines
  12                 return
  13         endif
  14
  15         let isCommented = strpart(lineString,0,3)
  16         let commentSymbol = ''
  17
  18         let commentMapping = {
  19                 \'###': [
  20                         \'conf',
  21                         \'debsources',
  22                         \'exports',
  23                         \'fstab',
  24                         \'make',
  25                         \'mplayerconf',
  26                         \'muttrc',
  27                         \'perl',
  28                         \'procmail',
  29                         \'python',
  30                         \'readline',
  31                         \'ruby',
  32                         \'screen',
  33                         \'sh',
  34                         \'sshconfig',
  35                         \'sudoers',
  36                         \'terminfo',
  37                         \'vrml',
  38                         \'xf86conf',
  39                 \],
  40 \
  41                 \'///': [
  42                         \'c',
  43                         \'cpp',
  44                         \'java',
  45                         \'javascript',
  46                         \'objc',
  47                         \'ox',
  48                         \'php',
  49                 \],
  50 \
  51                 \'"""': [
  52                         \'vim',
  53                 \],
  54 \
  55                 \'!!!': [
  56                         \'xdefaults',
  57                 \],
  58 \
  59                 \'%%%': [
  60                         \'matlab',
  61                         \'tex',
  62                 \],
  63 \
  64                 \'---': [
  65                         \'sql',
  66                 \]
  67         \}
  68
  69         for commentChar in keys(commentMapping)
  70                 for name in commentMapping[commentChar]
  71                         if &filetype == name
  72                                 let commentSymbol = commentChar
  73                         endif
  74                 endfor
  75         endfor
  76
  77         if commentSymbol == ''
  78                 execute 'echo "ToggleCommentify has not (yet) been implemented for the file-type " . &filetype'
  79         else
  80                 if isCommented == commentSymbol
  81                         " if the line is already commented, uncomment
  82                         call UnCommentify(commentSymbol)
  83                 else
  84                         " if the line is uncommented, comment
  85                         call Commentify(commentSymbol)
  86                 endif
  87         endif
  88 endfunction
  89
  90 function! Commentify(commentSymbol)
  91         execute ':s+^+'.a:commentSymbol.'+'
  92         nohlsearch
  93 endfunction
  94
  95 function! UnCommentify(commentSymbol)
  96         execute ':s+'.a:commentSymbol.'++'
  97         nohlsearch
  98 endfunction
  99