bool extractTransferables(v8::Local<v8::Value> value, int argumentIndex, MessagePortArray& ports, ArrayBufferArray& arrayBuffers, ExceptionState& exceptionState, v8::Isolate* isolate) { if (isUndefinedOrNull(value)) { ports.resize(0); arrayBuffers.resize(0); return true; } uint32_t length = 0; if (value->IsArray()) { v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast(value); length = array->Length(); } else if (toV8Sequence(value, length, isolate).IsEmpty()) { exceptionState.throwTypeError(ExceptionMessages::notAnArrayTypeArgumentOrValue(argumentIndex + 1)); return false; } v8::Local<v8::Object> transferrables = v8::Local<v8::Object>::Cast(value); // Validate the passed array of transferrables. for (unsigned int i = 0; i < length; ++i) { v8::Local<v8::Value> transferrable = transferrables->Get(i); // Validation of non-null objects, per HTML5 spec 10.3.3. if (isUndefinedOrNull(transferrable)) { exceptionState.throwDOMException(DataCloneError, "Value at index " + String::number(i) + " is an untransferable " + (transferrable->IsUndefined() ? "'undefined'" : "'null'") + " value."); return false; } // Validation of Objects implementing an interface, per WebIDL spec 4.1.15. if (V8MessagePort::hasInstance(transferrable, isolate)) { RefPtr<MessagePort> port = V8MessagePort::toNative(v8::Handle<v8::Object>::Cast(transferrable)); // Check for duplicate MessagePorts. if (ports.contains(port)) { exceptionState.throwDOMException(DataCloneError, "Message port at index " + String::number(i) + " is a duplicate of an earlier port."); return false; } ports.append(port.release()); } else if (V8ArrayBuffer::hasInstance(transferrable, isolate)) { RefPtr<ArrayBuffer> arrayBuffer = V8ArrayBuffer::toNative(v8::Handle<v8::Object>::Cast(transferrable)); if (arrayBuffers.contains(arrayBuffer)) { exceptionState.throwDOMException(DataCloneError, "ArrayBuffer at index " + String::number(i) + " is a duplicate of an earlier ArrayBuffer."); return false; } arrayBuffers.append(arrayBuffer.release()); } else { exceptionState.throwDOMException(DataCloneError, "Value at index " + String::number(i) + " does not have a transferable type."); return false; } } return true; }
void fillMessagePortArray(JSC::ExecState* exec, JSC::JSValue value, MessagePortArray& portArray, ArrayBufferArray& arrayBuffers) { // Convert from the passed-in JS array-like object to 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. if (value.isUndefinedOrNull()) { portArray.resize(0); arrayBuffers.resize(0); return; } // Validation of sequence types, per WebIDL spec 4.1.13. unsigned length = 0; JSObject* object = toJSSequence(exec, value, length); if (exec->hadException()) return; for (unsigned i = 0 ; i < length; ++i) { JSValue value = object->get(exec, i); if (exec->hadException()) return; // Validation of non-null objects, per HTML5 spec 10.3.3. if (value.isUndefinedOrNull()) { setDOMException(exec, INVALID_STATE_ERR); return; } // Validation of Objects implementing an interface, per WebIDL spec 4.1.15. RefPtr<MessagePort> port = toMessagePort(value); if (port) { // Check for duplicate ports. if (portArray.contains(port)) { #if MODIFY(ENGINE) //[2014.03.05][infraware][jungong16] : fix to issue. http://www.w3.org/TR/webmessaging/#dom-window-postmessage setDOMException(exec, DATA_CLONE_ERR); #else setDOMException(exec, INVALID_STATE_ERR); #endif return; } portArray.append(port.release()); } else { RefPtr<ArrayBuffer> arrayBuffer = toArrayBuffer(value); if (arrayBuffer) arrayBuffers.append(arrayBuffer); else { throwTypeError(exec); return; } } } }
bool extractTransferables(v8::Local<v8::Value> value, MessagePortArray& ports, ArrayBufferArray& arrayBuffers) { if (isUndefinedOrNull(value)) { ports.resize(0); arrayBuffers.resize(0); return true; } if (!value->IsObject()) { throwError("TransferArray argument must be an object"); return false; } uint32_t length = 0; v8::Local<v8::Object> transferrables = v8::Local<v8::Object>::Cast(value); if (value->IsArray()) { v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast(value); length = array->Length(); } else { // Sequence-type object - get the length attribute v8::Local<v8::Value> sequenceLength = transferrables->Get(v8::String::New("length")); if (!sequenceLength->IsNumber()) { throwError("TransferArray argument has no length attribute"); return false; } length = sequenceLength->Uint32Value(); } // Validate the passed array of transferrables. for (unsigned int i = 0; i < length; ++i) { v8::Local<v8::Value> transferrable = transferrables->Get(i); // Validation of non-null objects, per HTML5 spec 10.3.3. if (isUndefinedOrNull(transferrable)) { throwError(DATA_CLONE_ERR); return false; } // Validation of Objects implementing an interface, per WebIDL spec 4.1.15. if (V8MessagePort::HasInstance(transferrable)) ports.append(V8MessagePort::toNative(v8::Handle<v8::Object>::Cast(transferrable))); else if (V8ArrayBuffer::HasInstance(transferrable)) arrayBuffers.append(V8ArrayBuffer::toNative(v8::Handle<v8::Object>::Cast(transferrable))); else { throwError("TransferArray argument must contain only Transferables"); return false; } } return true; }
void fillMessagePortArray(JSC::ExecState* exec, JSC::JSValue value, MessagePortArray& portArray, ArrayBufferArray& arrayBuffers) { // Convert from the passed-in JS array-like object to 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. if (value.isUndefinedOrNull()) { portArray.resize(0); arrayBuffers.resize(0); return; } // Validation of sequence types, per WebIDL spec 4.1.13. unsigned length = 0; JSObject* object = toJSSequence(exec, value, length); if (exec->hadException()) return; for (unsigned i = 0 ; i < length; ++i) { JSValue value = object->get(exec, i); if (exec->hadException()) return; // Validation of non-null objects, per HTML5 spec 10.3.3. if (value.isUndefinedOrNull()) { setDOMException(exec, INVALID_STATE_ERR); return; } // Validation of Objects implementing an interface, per WebIDL spec 4.1.15. RefPtr<MessagePort> port = JSMessagePort::toWrapped(value); if (port) { // Check for duplicate ports. if (portArray.contains(port)) { setDOMException(exec, INVALID_STATE_ERR); return; } portArray.append(port.release()); } else { RefPtr<ArrayBuffer> arrayBuffer = toArrayBuffer(value); if (arrayBuffer) arrayBuffers.append(arrayBuffer); else { throwTypeError(exec); return; } } } }
bool extractTransferables(v8::Local<v8::Value> value, MessagePortArray& ports, ArrayBufferArray& arrayBuffers, v8::Isolate* isolate) { if (isUndefinedOrNull(value)) { ports.resize(0); arrayBuffers.resize(0); return true; } uint32_t length = 0; if (value->IsArray()) { v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast(value); length = array->Length(); } else { if (toV8Sequence(value, length).IsEmpty()) return false; } v8::Local<v8::Object> transferrables = v8::Local<v8::Object>::Cast(value); // Validate the passed array of transferrables. for (unsigned int i = 0; i < length; ++i) { v8::Local<v8::Value> transferrable = transferrables->Get(i); // Validation of non-null objects, per HTML5 spec 10.3.3. if (isUndefinedOrNull(transferrable)) { setDOMException(INVALID_STATE_ERR, isolate); return false; } // Validation of Objects implementing an interface, per WebIDL spec 4.1.15. if (V8MessagePort::HasInstance(transferrable)) { RefPtr<MessagePort> port = V8MessagePort::toNative(v8::Handle<v8::Object>::Cast(transferrable)); // Check for duplicate MessagePorts. if (ports.contains(port)) { setDOMException(INVALID_STATE_ERR, isolate); return false; } ports.append(port.release()); } else if (V8ArrayBuffer::HasInstance(transferrable)) arrayBuffers.append(V8ArrayBuffer::toNative(v8::Handle<v8::Object>::Cast(transferrable))); else { throwTypeError(); return false; } } return true; }