WIP: Introduce CompressibleString

third_party/WebKit/Source/bindings/core/v8/V8ValueCache.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef V8ValueCache_h
 #define V8ValueCache_h
 
 #include "bindings/core/v8/V8GlobalValueMap.h"
 #include "core/CoreExport.h"
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicString.h"
+#include "wtf/text/CompressableString.h"
 #include "wtf/text/WTFString.h"
 #include <v8.h>
 
 namespace blink {
 
 class StringCacheMapTraits : public V8GlobalValueMapTraits<StringImpl*, v8::String, v8::kWeakWithParameter> {
     STATIC_ONLY(StringCacheMapTraits);
 public:
     // Weak traits:
     typedef StringImpl WeakCallbackDataType;
@@ skipping 26 matching lines @@
     explicit StringCache(v8::Isolate* isolate) : m_stringCache(isolate) { }
 
     v8::Local<v8::String> v8ExternalString(v8::Isolate* isolate, StringImpl* stringImpl)
     {
         ASSERT(stringImpl);
         if (m_lastStringImpl.get() == stringImpl)
             return m_lastV8String.NewLocal(isolate);
         return v8ExternalStringSlow(isolate, stringImpl);
     }
 
+    v8::Local<v8::String> v8ExternalString(v8::Isolate* isolate, PassRefPtr<CompressableString> string)
+    {
+        ASSERT(string);
+        return v8ExternalStringSlow(isolate, string);
+    }
+
     void setReturnValueFromString(v8::ReturnValue<v8::Value> returnValue, StringImpl* stringImpl)
     {
         ASSERT(stringImpl);
         if (m_lastStringImpl.get() == stringImpl)
             m_lastV8String.SetReturnValue(returnValue);
         else
             setReturnValueFromStringSlow(returnValue, stringImpl);
     }
 
     void dispose();
 
     friend class StringCacheMapTraits;
 
 private:
     v8::Local<v8::String> v8ExternalStringSlow(v8::Isolate*, StringImpl*);
+    v8::Local<v8::String> v8ExternalStringSlow(v8::Isolate*, PassRefPtr<CompressableString>);
     void setReturnValueFromStringSlow(v8::ReturnValue<v8::Value>, StringImpl*);
     v8::Local<v8::String> createStringAndInsertIntoCache(v8::Isolate*, StringImpl*);
+    v8::Local<v8::String> createStringAndInsertIntoCache(v8::Isolate*, PassRefPtr<CompressableString>);
     void InvalidateLastString();
 
     StringCacheMapTraits::MapType m_stringCache;
     StringCacheMapTraits::MapType::PersistentValueReference m_lastV8String;
 
     // Note: RefPtr is a must as we cache by StringImpl* equality, not identity
     // hence lastStringImpl might be not a key of the cache (in sense of identity)
     // and hence it's not refed on addition.
     RefPtr<StringImpl> m_lastStringImpl;
 };
 
 } // namespace blink
 
 #endif // V8ValueCache_h