1 files changed, 88 insertions, 0 deletions
diff --git a/vim/plugin/rainbow_paren.vim b/vim/plugin/rainbow_paren.vim
new file mode 100644
index 0000000..3578d63
--- /dev/null
+++ b/vim/plugin/rainbow_paren.vim
@@ -0,0 +1,88 @@
+" this script by Shawn M Moore aka Sartak <sartak at gmail.com>
+" also by Michael R Geddes aka frogonwheels <vimmer at frog.wheelycreek.net>
+" originally by anonymous
+
+" this in the public domain
+" last updated 25 Mar 07
+
+" this does nothing unless you,
+"   let g:rainbow = 1
+
+" and set which kinds of character pairs you want to rainbow
+"   let g:rainbow_paren   = 1 " ()
+"   let g:rainbow_brace   = 1 " {}
+"   let g:rainbow_bracket = 1 " []
+"   let g:rainbow_angle   = 1 " <>
+
+" if you want the different types to nest, such that the braces in ({}) are
+" colored the same as the internal parens of (()), then
+"   let g:rainbow_nested = 1
+
+" you probably also want to use something like
+"   autocmd BufReadPost * source /path/to/rainbow_parens.vim
+"   autocmd BufNewFile  * source /path/to/rainbow_parens.vim
+
+if exists("g:rainbow") && g:rainbow != 0
+  hi level1c ctermfg=darkcyan
+  hi level2c ctermfg=darkgreen
+  hi level3c ctermfg=darkyellow
+  hi level4c ctermfg=darkblue
+  hi level5c ctermfg=darkmagenta
+  hi level6c ctermfg=darkred      " this color is never nested, it only appears on the outermost layer
+
+  " helper function
+  func s:DoSyn(cur, top, left, right, uniq)
+    let uniq = a:uniq
+    if exists("g:rainbow_nested") && g:rainbow_nested != 0
+      let uniq = ""
+    endif
+
+    let cmd = 'syn region level'.uniq.a:cur.' transparent fold matchgroup=level'.a:cur.'c start=/'.a:left.'/ end=/'.a:right.'/ contains=TOP'
+
+    let i = a:cur
+
+    if i == 1
+      let i = a:top
+    endif
+
+    while i <= a:top
+      let cmd = cmd . ',level' . uniq . i
+      let i = i + 1
+    endwhile
+    exe cmd
+  endfunc
+
+  func s:DoSyntaxes(count)
+    let i = 1
+
+    while i <= a:count
+      " if you define new pairs, make sure to take into account that the
+      " delimiter is currently / and that it uses regex, so you need to escape
+      " regex metachars (like what is done for brackets)
+
+      if exists("g:rainbow_paren") && g:rainbow_paren != 0
+        call s:DoSyn(i, a:count, "(", ")", "a")
+      endif
+
+      if exists("g:rainbow_brace") && g:rainbow_brace != 0
+        call s:DoSyn(i, a:count, "{", "}", "b")
+      endif
+
+      if exists("g:rainbow_bracket") && g:rainbow_bracket != 0
+        call s:DoSyn(i, a:count, "\\[", "\\]", "c")
+      endif
+
+      if exists("g:rainbow_angle") && g:rainbow_angle != 0
+        call s:DoSyn(i, a:count, "<", ">", "d")
+      endif
+
+      let i = i + 1
+    endwhile
+  endfun
+
+  call s:DoSyntaxes(6) " 6 is the number of colors we have
+
+  delfun s:DoSyn
+  delfun s:DoSyntaxes
+endif
+