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173 Stars 19 Forks 36 Commits 7 Opened issues


Rainbow brackets for Vim

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This is a fork of

Rainbow Parentheses Improved

This is a fork of Rainbow Parentheses Improved by luo chen.

I've applied some minor corrections and modifications:

  • Operators outside any braces get the last color of the rainbow. Previously, it was being ignored for highlighting.
  • Simplified/corrected logic to define highlighting precedence for braces as higher than for operators. So if you got a brace that's also an operator and you got to the situation that it can match both roles, it'll assume the brace role.
  • Changed default highlighted operators (now most punctuation) and highlighted braces (added
    for C++, Rust, C# and Java).
  • Removed optional highlighting for operators. Now hard enabled.
  • Changed loading autocommand for the events "syntax" and "colorscheme" so that the rainbow gets loaded only when there's syntax being applied and aways after switching colorschemes.
  • Changed default colors. Default rainbow colors copied from gruvbox colorscheme (good for dark and light backgrounds).

Chevrons are a hard case to deal with. To distinguish "less than" from "bracket for open generics argument list" it's assumed that "less than" will always be surrounded by spaces. If not, it'll be treated as an open template's angle bracket (although, still some checking applies for the

keyword, for C++ for example).


Vundle : Add this to .vimrc

Plugin 'frazrepo/vim-rainbow'

Simple Configuration

Put this on your

for loading it for specific file types:
au FileType c,cpp,objc,objcpp call rainbow#load()

or just this to enable it globally:

let g:rainbow_active = 1

Advanced Configuration

An advanced configuration allows you to define what parentheses to use for each type of file. You can also determine the colors of your parentheses by this way (read file vim73/rgb.txt for all named colors).

e.g. this is an advanced config (add these sentences to your

let g:rainbow_active = 1

let g:rainbow_load_separately = [ \ [ '' , [['(', ')'], ['[', ']'], ['{', '}']] ], \ [ '.tex' , [['(', ')'], ['[', ']']] ], \ [ '.cpp' , [['(', ')'], ['[', ']'], ['{', '}']] ], \ [ '.{html,htm}' , [['(', ')'], ['[', ']'], ['{', '}'], [']>', '[^>]>']] ], \ ]

let g:rainbow_guifgs = ['RoyalBlue3', 'DarkOrange3', 'DarkOrchid3', 'FireBrick'] let g:rainbow_ctermfgs = ['lightblue', 'lightgreen', 'yellow', 'red', 'magenta']

User Command

:RainbowToggle  --you can use it to toggle this plugin.
:RainbowLoad    --you can use it to load/reload this plugin.


Here's a sample of a dark gruvbox vim session:

Dark VIM Session

and here's a slightly lighter dark solarized session:

Lighter VIM Session

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