base_tag_filter.h

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/*
 * Copyright 2012 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_BASE_TAG_FILTER_H_
#define NET_INSTAWEB_REWRITER_PUBLIC_BASE_TAG_FILTER_H_

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

namespace net_instaweb {

class HtmlElement;
class RewriteDriver;

class BaseTagFilter : public EmptyHtmlFilter {
 public:
  explicit BaseTagFilter(RewriteDriver* driver)
      : added_base_tag_(false),
        driver_(driver) {}

  virtual ~BaseTagFilter();

  virtual void StartDocument() {
    added_base_tag_ = false;
  }
  virtual void StartElement(HtmlElement* element);
  virtual const char* Name() const { return "BaseTag"; }

 private:
  bool added_base_tag_;
  RewriteDriver* driver_;

  
};

}  

#endif