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/*
* Copyright (C) 2009, 2013 Apple 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
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "ScriptState.h"
#include <bindings/ScriptValue.h>
#include <heap/Strong.h>
#include <runtime/ArrayBuffer.h>
#include <runtime/JSCJSValue.h>
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>
typedef const struct OpaqueJSContext* JSContextRef;
typedef const struct OpaqueJSValue* JSValueRef;
namespace WebCore {
class MessagePort;
typedef Vector<RefPtr<MessagePort>, 1> MessagePortArray;
typedef Vector<RefPtr<JSC::ArrayBuffer>, 1> ArrayBufferArray;
enum SerializationReturnCode {
SuccessfullyCompleted,
StackOverflowError,
InterruptedExecutionError,
ValidationError,
ExistingExceptionError,
DataCloneError,
UnspecifiedError
};
enum SerializationErrorMode { NonThrowing, Throwing };
class SharedBuffer;
class SerializedScriptValue : public ThreadSafeRefCounted<SerializedScriptValue> {
public:
WEBCORE_EXPORT static RefPtr<SerializedScriptValue> create(JSC::ExecState*, JSC::JSValue, MessagePortArray*, ArrayBufferArray*, SerializationErrorMode = Throwing);
WEBCORE_EXPORT static RefPtr<SerializedScriptValue> create(const String&);
static Ref<SerializedScriptValue> adopt(Vector<uint8_t>&& buffer)
{
return adoptRef(*new SerializedScriptValue(WTFMove(buffer)));
}
static Ref<SerializedScriptValue> nullValue();
WEBCORE_EXPORT JSC::JSValue deserialize(JSC::ExecState*, JSC::JSGlobalObject*, MessagePortArray*, SerializationErrorMode = Throwing);
static uint32_t wireFormatVersion();
String toString();
// API implementation helpers. These don't expose special behavior for ArrayBuffers or MessagePorts.
WEBCORE_EXPORT static RefPtr<SerializedScriptValue> create(JSContextRef, JSValueRef, JSValueRef* exception);
WEBCORE_EXPORT JSValueRef deserialize(JSContextRef, JSValueRef* exception);
const Vector<uint8_t>& data() const { return m_data; }
bool hasBlobURLs() const { return !m_blobURLs.isEmpty(); }
void blobURLs(Vector<String>&) const;
static Ref<SerializedScriptValue> createFromWireBytes(Vector<uint8_t>&& data)
{
return adoptRef(*new SerializedScriptValue(WTFMove(data)));
}
const Vector<uint8_t>& toWireBytes() const { return m_data; }
WEBCORE_EXPORT ~SerializedScriptValue();
private:
typedef Vector<JSC::ArrayBufferContents> ArrayBufferContentsArray;
static void maybeThrowExceptionIfSerializationFailed(JSC::ExecState*, SerializationReturnCode);
static bool serializationDidCompleteSuccessfully(SerializationReturnCode);
static std::unique_ptr<ArrayBufferContentsArray> transferArrayBuffers(JSC::ExecState*, ArrayBufferArray&, SerializationReturnCode&);
void addBlobURL(const String&);
WEBCORE_EXPORT SerializedScriptValue(Vector<unsigned char>&&);
SerializedScriptValue(Vector<unsigned char>&&, const Vector<String>& blobURLs);
SerializedScriptValue(Vector<unsigned char>&&, const Vector<String>& blobURLs, std::unique_ptr<ArrayBufferContentsArray>&&);
Vector<unsigned char> m_data;
std::unique_ptr<ArrayBufferContentsArray> m_arrayBufferContentsArray;
Vector<Vector<uint16_t>> m_blobURLs;
};
}
#endif // SerializedScriptValue_h
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