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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "bindings/modules/v8/SerializedScriptValueForModulesFactory.h"
#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/SerializedScriptValue.h"
#include "bindings/modules/v8/ScriptValueSerializerForModules.h"
#include "core/dom/ExceptionCode.h"
namespace blink {
PassRefPtr<SerializedScriptValue> SerializedScriptValueForModulesFactory::create(v8::Handle<v8::Value> value, MessagePortArray* messagePorts, ArrayBufferArray* arrayBuffers, WebBlobInfoArray* blobInfo, ExceptionState& exceptionState, v8::Isolate* isolate)
{
RefPtr<SerializedScriptValue> serializedValue = SerializedScriptValueFactory::create();
SerializedScriptValueWriterForModules writer;
ScriptValueSerializer::Status status;
String errorMessage;
{
v8::TryCatch tryCatch;
status = SerializedScriptValueFactory::doSerialize(value, writer, messagePorts, arrayBuffers, blobInfo, serializedValue.get(), tryCatch, errorMessage, isolate);
if (status == ScriptValueSerializer::JSException) {
// If there was a JS exception thrown, re-throw it.
exceptionState.rethrowV8Exception(tryCatch.Exception());
return serializedValue.release();
}
}
switch (status) {
case ScriptValueSerializer::InputError:
case ScriptValueSerializer::DataCloneError:
exceptionState.throwDOMException(DataCloneError, errorMessage);
return serializedValue.release();
case ScriptValueSerializer::Success:
transferData(serializedValue.get(), writer, arrayBuffers, exceptionState, isolate);
return serializedValue.release();
case ScriptValueSerializer::JSException:
ASSERT_NOT_REACHED();
break;
}
ASSERT_NOT_REACHED();
return serializedValue.release();
}
PassRefPtr<SerializedScriptValue> SerializedScriptValueForModulesFactory::create(const String& data, v8::Isolate* isolate)
{
SerializedScriptValueWriterForModules writer;
writer.writeWebCoreString(data);
String wireData = writer.takeWireString();
return createFromWire(wireData);
}
ScriptValueSerializer::Status SerializedScriptValueForModulesFactory::doSerialize(v8::Handle<v8::Value> value, SerializedScriptValueWriter& writer, MessagePortArray* messagePorts, ArrayBufferArray* arrayBuffers, WebBlobInfoArray* blobInfo, BlobDataHandleMap& blobDataHandles, v8::TryCatch& tryCatch, String& errorMessage, v8::Isolate* isolate)
{
ScriptValueSerializerForModules serializer(writer, messagePorts, arrayBuffers, blobInfo, blobDataHandles, tryCatch, ScriptState::current(isolate));
ScriptValueSerializer::Status status = serializer.serialize(value);
errorMessage = serializer.errorMessage();
return status;
}
v8::Handle<v8::Value> SerializedScriptValueForModulesFactory::deserialize(String& data, BlobDataHandleMap& blobDataHandles, ArrayBufferContentsArray* arrayBufferContentsArray, v8::Isolate* isolate, MessagePortArray* messagePorts, const WebBlobInfoArray* blobInfo)
{
if (!data.impl())
return v8::Null(isolate);
static_assert(sizeof(SerializedScriptValueWriter::BufferValueType) == 2, "BufferValueType should be 2 bytes");
data.ensure16Bit();
// FIXME: SerializedScriptValue shouldn't use String for its underlying
// storage. Instead, it should use SharedBuffer or Vector<uint8_t>. The
// information stored in m_data isn't even encoded in UTF-16. Instead,
// unicode characters are encoded as UTF-8 with two code units per UChar.
SerializedScriptValueReaderForModules reader(reinterpret_cast<const uint8_t*>(data.impl()->characters16()), 2 * data.length(), blobInfo, blobDataHandles, ScriptState::current(isolate));
ScriptValueDeserializerForModules deserializer(reader, messagePorts, arrayBufferContentsArray);
return deserializer.deserialize();
}
} // namespace blink
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