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_HTML_FILTER_H_ 00020 #define NET_INSTAWEB_HTMLPARSE_PUBLIC_HTML_FILTER_H_ 00021 00022 #include "net/instaweb/htmlparse/public/html_parser_types.h" 00023 00024 namespace net_instaweb { 00025 00026 class HtmlFilter { 00027 public: 00028 HtmlFilter(); 00029 virtual ~HtmlFilter(); 00030 00033 virtual void StartDocument() = 0; 00035 virtual void EndDocument() = 0; 00036 00043 virtual void StartElement(HtmlElement* element) = 0; 00044 virtual void EndElement(HtmlElement* element) = 0; 00045 00047 virtual void Cdata(HtmlCdataNode* cdata) = 0; 00048 00050 virtual void Comment(HtmlCommentNode* comment) = 0; 00051 00057 virtual void IEDirective(HtmlIEDirectiveNode* directive) = 0; 00058 00060 virtual void Characters(HtmlCharactersNode* characters) = 0; 00061 00063 virtual void Directive(HtmlDirectiveNode* directive) = 0; 00064 00073 virtual void Flush() = 0; 00074 00076 virtual const char* Name() const = 0; 00077 }; 00078 00079 } 00080 00081 #endif ///< NET_INSTAWEB_HTMLPARSE_PUBLIC_HTML_FILTER_H_