Added syntax highlightment for repository files (using CodeRay).

Supported languages: c, ruby, rhtml, yaml, html, xml.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@644 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/coderay-0.7.6.227/lib/coderay/scanners/rhtml.rb

@@ -0,0 +1,73 @@
+module CodeRay
+module Scanners
+
+  load :html
+  load :ruby
+
+  # RHTML Scanner
+  #
+  # $Id$
+  class RHTML < Scanner
+
+    include Streamable
+    register_for :rhtml
+
+    ERB_RUBY_BLOCK = /
+      <%(?!%)[=-]?
+      (?>
+        [^\-%]*    # normal*
+        (?>        # special
+          (?: %(?!>) | -(?!%>) )
+          [^\-%]*  # normal*
+        )*
+      )
+      (?: -?%> )?
+    /x
+
+    START_OF_ERB = /
+      <%(?!%)
+    /x
+
+  private
+
+    def setup
+      @ruby_scanner = CodeRay.scanner :ruby, :tokens => @tokens, :keep_tokens => true
+      @html_scanner = CodeRay.scanner :html, :tokens => @tokens, :keep_tokens => true, :keep_state => true
+    end
+
+    def reset_instance
+      super
+      @html_scanner.reset
+    end
+
+    def scan_tokens tokens, options
+
+      until eos?
+
+        if (match = scan_until(/(?=#{START_OF_ERB})/o) || scan_until(/\z/)) and not match.empty?
+          @html_scanner.tokenize match
+
+        elsif match = scan(/#{ERB_RUBY_BLOCK}/o)
+          start_tag = match[/\A<%[-=]?/]
+          end_tag = match[/-?%?>?\z/]
+          tokens << [:open, :inline]
+          tokens << [start_tag, :inline_delimiter]
+          code = match[start_tag.size .. -1 - end_tag.size]
+          @ruby_scanner.tokenize code
+          tokens << [end_tag, :inline_delimiter] unless end_tag.empty?
+          tokens << [:close, :inline]
+
+        else
+          raise_inspect 'else-case reached!', tokens
+        end
+
+      end
+
+      tokens
+
+    end
+
+  end
+
+end
+end