From df21150ed089f1e3d1d35badde23b2d905a421cd Mon Sep 17 00:00:00 2001
From: Kornelius Kalnbach <murphy@rubychan.de>
Date: Thu, 13 Jun 2013 04:35:39 +0200
Subject: speedup/tweak debug encoder

---
 lib/coderay/encoders/debug.rb | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/lib/coderay/encoders/debug.rb b/lib/coderay/encoders/debug.rb
index c03d3fb..94d52af 100644
--- a/lib/coderay/encoders/debug.rb
+++ b/lib/coderay/encoders/debug.rb
@@ -25,34 +25,37 @@ module Encoders
     
     def text_token text, kind
       raise 'empty token' if $CODERAY_DEBUG && text.empty?
+      
       if kind == :space
         @out << text
       else
-        # TODO: Escape (
-        text = text.gsub(/[)\\]/, '\\\\\0') if text.index(/[)\\]/)
-        @out << kind.to_s << '(' << text << ')'
+        text = text.gsub('\\', '\\\\\\\\') if text.index('\\')
+        text = text.gsub(')',  '\\\\)')    if text.index(')')
+        @out << "#{kind}(#{text})"
       end
     end
     
     def begin_group kind
-      @opened << kind
-      @out << kind.to_s << '<'
+      @opened << kind if $CODERAY_DEBUG
+      
+      @out << "#{kind}<"
     end
     
     def end_group kind
-      if @opened.last != kind
-        puts @out
-        raise "we are inside #{@opened.inspect}, not #{kind}"
-      end
-      @opened.pop
+      raise "We are inside #{@opened.inspect}, not #{kind}" if $CODERAY_DEBUG && @opened.pop != kind
+      
       @out << '>'
     end
     
     def begin_line kind
-      @out << kind.to_s << '['
+      @opened << kind if $CODERAY_DEBUG
+      
+      @out << "#{kind}["
     end
     
     def end_line kind
+      raise "We are inside #{@opened.inspect}, not #{kind}" if $CODERAY_DEBUG && @opened.pop != kind
+      
       @out << ']'
     end
     
-- 
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