Page Speed Optimization Libraries  1.8.31.3
net/instaweb/rewriter/public/deterministic_js_filter.h
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00001 /*
00002  * Copyright 2012 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_DETERMINISTIC_JS_FILTER_H_
00020 #define NET_INSTAWEB_REWRITER_PUBLIC_DETERMINISTIC_JS_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 HtmlElement;
00028 class RewriteDriver;
00029 
00034 class DeterministicJsFilter : public EmptyHtmlFilter {
00035  public:
00036   explicit DeterministicJsFilter(RewriteDriver* driver);
00037   virtual ~DeterministicJsFilter();
00038 
00039   virtual void StartDocument();
00040   virtual void StartElement(HtmlElement* element);
00041   virtual const char* Name() const { return "DeterministicJs"; }
00042 
00043  private:
00044   RewriteDriver* driver_;
00045   bool found_head_;
00046 
00047   DISALLOW_COPY_AND_ASSIGN(DeterministicJsFilter);
00048 };
00049 
00050 }  
00051 
00052 
00053 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_DETERMINISTIC_JS_FILTER_H_
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