Moved files under Source/bindings/v8 to Source/bindings/core/v8.

Source/bindings/v8/SerializedScriptValue.h

-/*
- * Copyright (C) 2009, 2010 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SerializedScriptValue_h
-#define SerializedScriptValue_h
-
-#include "bindings/v8/ScriptValue.h"
-#include "wtf/HashMap.h"
-#include "wtf/ThreadSafeRefCounted.h"
-#include <v8.h>
-
-namespace blink {
-
-class WebBlobInfo;
-
-}
-
-namespace WTF {
-
-class ArrayBuffer;
-class ArrayBufferContents;
-
-}
-
-namespace WebCore {
-
-class BlobDataHandle;
-class ExceptionState;
-class MessagePort;
-
-typedef WillBeHeapVector<RefPtrWillBeMember<MessagePort>, 1> MessagePortArray;
-typedef Vector<RefPtr<WTF::ArrayBuffer>, 1> ArrayBufferArray;
-typedef HashMap<String, RefPtr<BlobDataHandle> > BlobDataHandleMap;
-typedef Vector<blink::WebBlobInfo> WebBlobInfoArray;
-
-class SerializedScriptValue FINAL : public ThreadSafeRefCounted<SerializedScriptValue> {
-public:
-    // Increment this for each incompatible change to the wire format.
-    // Version 2: Added StringUCharTag for UChar v8 strings.
-    // Version 3: Switched to using uuids as blob data identifiers.
-    // Version 4: Extended File serialization to be complete.
-    // Version 5: Added CryptoKeyTag for Key objects.
-    // Version 6: Added indexed serialization for File, Blob, and FileList.
-    static const uint32_t wireFormatVersion = 6;
-
-    ~SerializedScriptValue();
-
-    // If a serialization error occurs (e.g., cyclic input value) this
-    // function returns an empty representation, schedules a V8 exception to
-    // be thrown using v8::ThrowException(), and sets |didThrow|. In this case
-    // the caller must not invoke any V8 operations until control returns to
-    // V8. When serialization is successful, |didThrow| is false.
-    static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferArray*, ExceptionState&, v8::Isolate*);
-    static PassRefPtr<SerializedScriptValue> createFromWire(const String&);
-    static PassRefPtr<SerializedScriptValue> createFromWireBytes(const Vector<uint8_t>&);
-    static PassRefPtr<SerializedScriptValue> create(const String&);
-    static PassRefPtr<SerializedScriptValue> create(const String&, v8::Isolate*);
-    static PassRefPtr<SerializedScriptValue> create();
-    static PassRefPtr<SerializedScriptValue> create(const ScriptValue&, WebBlobInfoArray*, ExceptionState&, v8::Isolate*);
-
-    // Never throws exceptions.
-    static PassRefPtr<SerializedScriptValue> createAndSwallowExceptions(v8::Handle<v8::Value>, v8::Isolate*);
-
-    static PassRefPtr<SerializedScriptValue> nullValue();
-
-    String toWireString() const { return m_data; }
-    void toWireBytes(Vector<char>&) const;
-
-    // Deserializes the value (in the current context). Returns a null value in
-    // case of failure.
-    v8::Handle<v8::Value> deserialize(MessagePortArray* = 0);
-    v8::Handle<v8::Value> deserialize(v8::Isolate*, MessagePortArray* = 0, const WebBlobInfoArray* = 0);
-
-    // Helper function which pulls the values out of a JS sequence and into a MessagePortArray.
-    // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3
-    // of the HTML5 spec and generates exceptions as appropriate.
-    // Returns true if the array was filled, or false if the passed value was not of an appropriate type.
-    static bool extractTransferables(v8::Local<v8::Value>, int, MessagePortArray&, ArrayBufferArray&, ExceptionState&, v8::Isolate*);
-
-    // Informs the V8 about external memory allocated and owned by this object. Large values should contribute
-    // to GC counters to eventually trigger a GC, otherwise flood of postMessage() can cause OOM.
-    // Ok to invoke multiple times (only adds memory once).
-    // The memory registration is revoked automatically in destructor.
-    void registerMemoryAllocatedWithCurrentScriptContext();
-
-private:
-    enum StringDataMode {
-        StringValue,
-        WireData
-    };
-    typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray;
-
-    SerializedScriptValue();
-    SerializedScriptValue(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferArray*, WebBlobInfoArray*, ExceptionState&, v8::Isolate*);
-    explicit SerializedScriptValue(const String& wireData);
-
-    static PassOwnPtr<ArrayBufferContentsArray> transferArrayBuffers(ArrayBufferArray&, ExceptionState&, v8::Isolate*);
-
-    String m_data;
-    OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray;
-    BlobDataHandleMap m_blobDataHandles;
-    intptr_t m_externallyAllocatedMemory;
-};
-
-} // namespace WebCore
-
-#endif // SerializedScriptValue_h