Page Speed Optimization Libraries
1.5.27.2
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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_ELIDE_ATTRIBUTES_FILTER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_ELIDE_ATTRIBUTES_FILTER_H_ 00021 00022 #include <map> 00023 #include <set> 00024 00025 #include "net/instaweb/htmlparse/public/empty_html_filter.h" 00026 #include "net/instaweb/htmlparse/public/html_name.h" 00027 #include "net/instaweb/util/public/basictypes.h" 00028 00029 namespace net_instaweb { 00030 class HtmlElement; 00031 class HtmlParse; 00032 00034 class ElideAttributesFilter : public EmptyHtmlFilter { 00035 public: 00036 explicit ElideAttributesFilter(HtmlParse* html_parse); 00037 virtual ~ElideAttributesFilter(); 00038 00039 virtual void StartElement(HtmlElement* element); 00040 virtual const char* Name() const { return "ElideAttributes"; } 00041 00042 private: 00043 struct AttrValue { 00044 const char* attr_value; 00045 bool requires_version_5; 00046 }; 00047 00048 typedef std::set<HtmlName::Keyword> KeywordSet; 00049 typedef std::map<HtmlName::Keyword, KeywordSet> KeywordSetMap; 00050 typedef std::map<HtmlName::Keyword, AttrValue> ValueMap; 00051 typedef std::map<HtmlName::Keyword, ValueMap> ValueMapMap; 00052 00053 HtmlParse* html_parse_; 00054 KeywordSetMap one_value_attrs_map_; 00055 ValueMapMap default_value_map_; 00056 00057 DISALLOW_COPY_AND_ASSIGN(ElideAttributesFilter); 00058 }; 00059 00060 } 00061 00062 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_ELIDE_ATTRIBUTES_FILTER_H_