Page Speed Optimization Libraries
1.3.25.1
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00001 /* 00002 * Copyright 2011 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_DIV_STRUCTURE_FILTER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_DIV_STRUCTURE_FILTER_H_ 00021 00022 #include <vector> 00023 #include "net/instaweb/htmlparse/public/empty_html_filter.h" 00024 #include "net/instaweb/util/public/string.h" 00025 00026 namespace net_instaweb { 00027 00028 class HtmlElement; 00029 00043 class DivStructureFilter : public EmptyHtmlFilter { 00044 public: 00045 static const char kParamName[]; 00046 00047 explicit DivStructureFilter(); 00048 virtual ~DivStructureFilter(); 00049 00050 virtual void StartDocument(); 00051 virtual void StartElement(HtmlElement* element); 00052 virtual void EndElement(HtmlElement* element); 00053 virtual const char* Name() const { return "DivStructureFilter"; } 00054 00055 static GoogleString GetDivCountStackEncoding( 00056 const std::vector<int>& div_count_stack); 00057 00058 private: 00059 std::vector<int> div_count_stack_; 00060 }; 00061 00062 } 00063 00064 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_DIV_STRUCTURE_FILTER_H_