add_head_filter.h

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/*
 * Copyright 2010 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_ADD_HEAD_FILTER_H_
#define NET_INSTAWEB_REWRITER_PUBLIC_ADD_HEAD_FILTER_H_

#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/html/empty_html_filter.h"

namespace net_instaweb {
class HtmlElement;
class HtmlParse;

class AddHeadFilter : public EmptyHtmlFilter {
 public:
  explicit AddHeadFilter(HtmlParse* parser, bool combine_multiple_heads);
  virtual ~AddHeadFilter();

  virtual void StartDocument();
  virtual void StartElement(HtmlElement* element);
  virtual void EndDocument();
  virtual void EndElement(HtmlElement* element);
  virtual void Flush();
  virtual const char* Name() const { return "AddHead"; }

 private:
  HtmlParse* html_parse_;
  bool combine_multiple_heads_;
  bool found_head_;
  HtmlElement* head_element_;

  
};

}  

#endif