Page Speed Optimization Libraries
1.7.30.3
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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_CSS_INLINE_IMPORT_TO_LINK_FILTER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_CSS_INLINE_IMPORT_TO_LINK_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 00027 class HtmlCharactersNode; 00028 class HtmlElement; 00029 class RewriteDriver; 00030 class Statistics; 00031 class Variable; 00032 00038 class CssInlineImportToLinkFilter : public EmptyHtmlFilter { 00039 public: 00040 explicit CssInlineImportToLinkFilter(RewriteDriver* driver, 00041 Statistics* statistics); 00042 virtual ~CssInlineImportToLinkFilter(); 00043 00044 static void InitStats(Statistics* statistics); 00045 00046 virtual void StartDocument(); 00047 virtual void EndDocument(); 00048 00049 virtual void StartElement(HtmlElement* element); 00050 virtual void EndElement(HtmlElement* element); 00051 00052 virtual void Flush(); 00053 00055 virtual void Characters(HtmlCharactersNode* characters); 00056 00057 virtual const char* Name() const { return "InlineImportToLinkCss"; } 00058 00059 private: 00060 void ResetState(); 00061 void InlineImportToLinkStyle(); 00062 00063 RewriteDriver* driver_; 00066 HtmlElement* style_element_; 00068 HtmlCharactersNode* style_characters_; 00070 Variable* counter_; 00071 00072 DISALLOW_COPY_AND_ASSIGN(CssInlineImportToLinkFilter); 00073 }; 00074 00075 } 00076 00077 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_CSS_INLINE_IMPORT_TO_LINK_FILTER_H_