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_HTMLPARSE_PUBLIC_EMPTY_HTML_FILTER_H_ 00020 #define NET_INSTAWEB_HTMLPARSE_PUBLIC_EMPTY_HTML_FILTER_H_ 00021 00022 #include "net/instaweb/htmlparse/public/html_parser_types.h" 00023 #include "net/instaweb/htmlparse/public/html_filter.h" 00024 00029 #include "net/instaweb/util/public/string.h" 00030 00031 namespace net_instaweb { 00032 00036 class EmptyHtmlFilter : public HtmlFilter { 00037 public: 00038 EmptyHtmlFilter(); 00039 virtual ~EmptyHtmlFilter(); 00040 00041 virtual void StartDocument(); 00042 virtual void EndDocument(); 00043 virtual void StartElement(HtmlElement* element); 00044 virtual void EndElement(HtmlElement* element); 00045 virtual void Cdata(HtmlCdataNode* cdata); 00046 virtual void Comment(HtmlCommentNode* comment); 00047 virtual void IEDirective(HtmlIEDirectiveNode* directive); 00048 virtual void Characters(HtmlCharactersNode* characters); 00049 virtual void Directive(HtmlDirectiveNode* directive); 00050 virtual void Flush(); 00051 00054 }; 00055 00056 } 00057 00058 #endif ///< NET_INSTAWEB_HTMLPARSE_PUBLIC_EMPTY_HTML_FILTER_H_