Upgrade CodeRay to 0.9.2 (#3359).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3592 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/coderay-0.9.2/lib/coderay/encoders/debug.rb

@@ -0,0 +1,49 @@
+module CodeRay
+module Encoders
+
+  # = Debug Encoder
+  #
+  # Fast encoder producing simple debug output.
+  #
+  # It is readable and diff-able and is used for testing.
+  #
+  # You cannot fully restore the tokens information from the
+  # output, because consecutive :space tokens are merged.
+  # Use Tokens#dump for caching purposes.
+  class Debug < Encoder
+
+    include Streamable
+    register_for :debug
+
+    FILE_EXTENSION = 'raydebug'
+
+  protected
+    def text_token text, kind
+      if kind == :space
+        text
+      else
+        text = text.gsub(/[)\\]/, '\\\\\0')  # escape ) and \
+        "#{kind}(#{text})"
+      end
+    end
+
+    def open_token kind
+      "#{kind}<"
+    end
+
+    def close_token kind
+      ">"
+    end
+
+    def begin_line kind
+      "#{kind}["
+    end
+
+    def end_line kind
+      "]"
+    end
+
+  end
+
+end
+end