Page Speed Optimization Libraries  1.6.29.3
net/instaweb/rewriter/public/fake_filter.h
Go to the documentation of this file.
00001 /*
00002  * Copyright 2013 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_FAKE_FILTER_H_
00020 #define NET_INSTAWEB_REWRITER_PUBLIC_FAKE_FILTER_H_
00021 
00022 
00023 #include "net/instaweb/rewriter/public/output_resource_kind.h"
00024 #include "net/instaweb/rewriter/public/resource.h"
00025 #include "net/instaweb/rewriter/public/resource_slot.h"
00026 #include "net/instaweb/rewriter/public/rewrite_filter.h"
00027 #include "net/instaweb/rewriter/public/server_context.h"
00028 #include "net/instaweb/rewriter/public/single_rewrite_context.h"
00029 #include "net/instaweb/util/public/string.h"
00030 
00031 namespace net_instaweb {
00032 
00033 class HtmlElement;
00034 class ResourceContext;
00035 class RewriteContext;
00036 class RewriteDriver;
00037 struct ContentType;
00038 
00042 class FakeFilter : public RewriteFilter {
00043  public:
00044   class Context : public SingleRewriteContext {
00045    public:
00046     Context(FakeFilter* filter, RewriteDriver* driver, RewriteContext* parent,
00047             ResourceContext* resource_context)
00048         : SingleRewriteContext(driver, parent, resource_context),
00049           filter_(filter) {}
00050     virtual ~Context();
00051 
00052     void RewriteSingle(const ResourcePtr& input,
00053                        const OutputResourcePtr& output);
00054 
00055     void DoRewriteSingle(const ResourcePtr input, OutputResourcePtr output);
00056     GoogleString UserAgentCacheKey(
00057         const ResourceContext* resource_context) const;
00058 
00059     virtual const char* id() const { return filter_->id(); }
00060     virtual OutputResourceKind kind() const { return filter_->kind(); }
00061 
00062    private:
00063     FakeFilter* filter_;
00064   };
00065 
00066   FakeFilter(const char* id, RewriteDriver* rewrite_driver)
00067       : RewriteFilter(rewrite_driver),
00068         id_(id),
00069         exceed_deadline_(false),
00070         enabled_(true),
00071         num_rewrites_(0),
00072         output_content_type_(NULL),
00073         num_calls_to_encode_user_agent_(0) {}
00074 
00075   virtual ~FakeFilter();
00076 
00077   virtual void StartDocumentImpl() {}
00078   virtual void EndElementImpl(HtmlElement* element) {}
00079   virtual void StartElementImpl(HtmlElement* element) {}
00080   virtual RewriteContext* MakeRewriteContext() {
00081     return new FakeFilter::Context(this, driver_, NULL, NULL);
00082   }
00083   virtual RewriteContext* MakeNestedRewriteContext(RewriteContext* parent,
00084                                                    const ResourceSlotPtr& slot);
00085   int num_rewrites() const { return num_rewrites_; }
00086   int num_encode_user_agent() const { return num_calls_to_encode_user_agent_; }
00087   void ClearStats();
00088   void set_enabled(bool x) { enabled_ = x; }
00089   bool enabled() { return enabled_; }
00090   bool exceed_deadline() { return exceed_deadline_; }
00091   void set_exceed_deadline(bool x) { exceed_deadline_ = x; }
00092   void IncRewrites() { ++num_rewrites_; }
00093   void set_output_content_type(const ContentType* type) {
00094     output_content_type_ = type;
00095   }
00096   const ContentType* output_content_type() { return output_content_type_; }
00097   virtual void EncodeUserAgentIntoResourceContext(
00098       ResourceContext* context) const;
00099 
00100  protected:
00101   virtual const char* id() const { return id_; }
00102   virtual OutputResourceKind kind() const { return kRewrittenResource; }
00103   virtual const char* Name() const { return "MockFilter"; }
00104   virtual bool ComputeOnTheFly() const { return false; }
00105 
00106  private:
00107   const char* id_;
00108   bool exceed_deadline_;
00109   bool enabled_;
00110   int num_rewrites_;
00111   const ContentType* output_content_type_;
00112   mutable int num_calls_to_encode_user_agent_;
00113 };
00114 
00115 }  
00116 
00117 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_FAKE_FILTER_H_
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines