Page Speed Optimization Libraries  1.8.31.2
net/instaweb/rewriter/public/single_rewrite_context.h
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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_SINGLE_REWRITE_CONTEXT_H_
00020 #define NET_INSTAWEB_REWRITER_PUBLIC_SINGLE_REWRITE_CONTEXT_H_
00021 
00022 #include "net/instaweb/rewriter/public/resource.h"
00023 #include "net/instaweb/rewriter/public/server_context.h"
00024 #include "net/instaweb/rewriter/public/rewrite_context.h"
00025 #include "net/instaweb/util/public/basictypes.h"
00026 
00027 namespace net_instaweb {
00028 
00029 class CachedResult;
00030 class OutputPartitions;
00031 class ResourceContext;
00032 class RewriteDriver;
00033 
00036 class SingleRewriteContext : public RewriteContext {
00037  public:
00040   SingleRewriteContext(RewriteDriver* driver, RewriteContext* parent,
00041                        ResourceContext* resource_context);
00042   virtual ~SingleRewriteContext();
00043 
00044  protected:
00046   virtual void RewriteSingle(const ResourcePtr& input,
00047                              const OutputResourcePtr& output) = 0;
00048 
00050   virtual bool Partition(OutputPartitions* partitions,
00051                          OutputResourceVector* outputs);
00052   virtual void Rewrite(int partition_index,
00053                        CachedResult* partition,
00054                        const OutputResourcePtr& output);
00055 
00056  private:
00057   DISALLOW_COPY_AND_ASSIGN(SingleRewriteContext);
00058 };
00059 
00060 }  
00061 
00062 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_SINGLE_REWRITE_CONTEXT_H_
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