Page Speed Optimization Libraries  1.7.30.4
net/instaweb/rewriter/public/add_head_filter.h
Go to the documentation of this file.
00001 /*
00002  * Copyright 2010 Google Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http:///www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00018 
00019 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_ADD_HEAD_FILTER_H_
00020 #define NET_INSTAWEB_REWRITER_PUBLIC_ADD_HEAD_FILTER_H_
00021 
00022 #include "net/instaweb/htmlparse/public/empty_html_filter.h"
00023 #include "net/instaweb/util/public/basictypes.h"
00024 
00025 namespace net_instaweb {
00026 class HtmlElement;
00027 class HtmlParse;
00028 
00031 class AddHeadFilter : public EmptyHtmlFilter {
00032  public:
00033   explicit AddHeadFilter(HtmlParse* parser, bool combine_multiple_heads);
00034   virtual ~AddHeadFilter();
00035 
00036   virtual void StartDocument();
00037   virtual void StartElement(HtmlElement* element);
00038   virtual void EndDocument();
00039   virtual void EndElement(HtmlElement* element);
00040   virtual void Flush();
00041   virtual const char* Name() const { return "AddHead"; }
00042 
00043  private:
00044   HtmlParse* html_parse_;
00045   bool combine_multiple_heads_;
00046   bool found_head_;
00047   HtmlElement* head_element_;
00048 
00049   DISALLOW_COPY_AND_ASSIGN(AddHeadFilter);
00050 };
00051 
00052 }  
00053 
00054 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_ADD_HEAD_FILTER_H_
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines