Page Speed Optimization Libraries
1.2.24.1
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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_DOMAIN_REWRITE_FILTER_H_ 00020 #define NET_INSTAWEB_REWRITER_PUBLIC_DOMAIN_REWRITE_FILTER_H_ 00021 00022 #include "net/instaweb/rewriter/public/common_filter.h" 00023 #include "net/instaweb/util/public/basictypes.h" 00024 #include "net/instaweb/util/public/string.h" 00025 #include "net/instaweb/util/public/string_util.h" 00026 00027 namespace net_instaweb { 00028 00029 class HtmlElement; 00030 class GoogleUrl; 00031 class RewriteDriver; 00032 class Statistics; 00033 class Variable; 00034 00039 class DomainRewriteFilter : public CommonFilter { 00040 public: 00041 DomainRewriteFilter(RewriteDriver* rewrite_driver, Statistics* stats); 00042 ~DomainRewriteFilter(); 00043 static void InitStats(Statistics* statistics); 00044 virtual void StartDocumentImpl(); 00045 virtual void StartElementImpl(HtmlElement* element); 00046 virtual void EndElementImpl(HtmlElement* element); 00047 00048 virtual const char* Name() const { return "DomainRewrite"; } 00049 00050 enum RewriteResult { 00051 kRewroteDomain, 00052 kDomainUnchanged, 00053 kFail, 00054 }; 00055 00061 RewriteResult Rewrite(const StringPiece& input_url, 00062 const GoogleUrl& base_url, 00063 bool apply_sharding, 00064 GoogleString* output_url); 00065 00066 private: 00068 Variable* rewrite_count_; 00069 bool client_domain_rewriter_script_written_; 00070 00071 DISALLOW_COPY_AND_ASSIGN(DomainRewriteFilter); 00072 }; 00073 00074 } 00075 00076 #endif ///< NET_INSTAWEB_REWRITER_PUBLIC_DOMAIN_REWRITE_FILTER_H_