/*
 * Copyright 2013 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef NET_INSTAWEB_REWRITER_PUBLIC_DECODE_REWRITTEN_URLS_FILTER_H_
#define NET_INSTAWEB_REWRITER_PUBLIC_DECODE_REWRITTEN_URLS_FILTER_H_

#include "net/instaweb/htmlparse/public/empty_html_filter.h"
#include "net/instaweb/util/public/basictypes.h"

namespace net_instaweb {

class HtmlElement;
class RewriteDriver;

// Filter that decodes rewritten (.pagespeed.) URLs in HTML to origin URLs.
// TODO(sriharis):  Also do this for URLs in CSS.
class DecodeRewrittenUrlsFilter : public EmptyHtmlFilter {
 public:
  explicit DecodeRewrittenUrlsFilter(RewriteDriver* driver) : driver_(driver) {}
  virtual ~DecodeRewrittenUrlsFilter();

  virtual void StartElement(HtmlElement* element);
  virtual const char* Name() const { return "DecodeRewrittenUrlsFilter"; }

 private:
  RewriteDriver* driver_;

  DISALLOW_COPY_AND_ASSIGN(DecodeRewrittenUrlsFilter);
};

}  // namespace net_instaweb

#endif  // NET_INSTAWEB_REWRITER_PUBLIC_DECODE_REWRITTEN_URLS_FILTER_H_
