void V8File::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
ExceptionState exceptionState(ExceptionState::ConstructionContext, "File", info.Holder(), info.GetIsolate());
if (!RuntimeEnabledFeatures::fileConstructorEnabled()) {
exceptionState.throwTypeError("Illegal constructor");
exceptionState.throwIfNeeded();
return;
}
if (info.Length() < 2) {
exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
exceptionState.throwIfNeeded();
return;
}
uint32_t length = 0;
if (info[0]->IsArray()) {
length = v8::Local<v8::Array>::Cast(info[0])->Length();
} else {
const int sequenceArgumentIndex = 0;
if (toV8Sequence(info[sequenceArgumentIndex], length, info.GetIsolate()).IsEmpty()) {
exceptionState.throwTypeError(ExceptionMessages::notAnArrayTypeArgumentOrValue(sequenceArgumentIndex + 1));
exceptionState.throwIfNeeded();
return;
}
}
TOSTRING_VOID(V8StringResource<>, fileName, info[1]);
V8BlobCustomHelpers::ParsedProperties properties(true);
if (info.Length() > 2) {
if (!info[2]->IsObject()) {
exceptionState.throwTypeError("The 3rd argument is not of type Object.");
exceptionState.throwIfNeeded();
return;
}
if (!properties.parseBlobPropertyBag(info[2], "File", exceptionState, info.GetIsolate())) {
exceptionState.throwIfNeeded();
return;
}
} else {
properties.setDefaultLastModified();
}
OwnPtr<BlobData> blobData = BlobData::create();
blobData->setContentType(properties.contentType());
v8::Local<v8::Object> blobParts = v8::Local<v8::Object>::Cast(info[0]);
if (!V8BlobCustomHelpers::processBlobParts(blobParts, length, properties.normalizeLineEndingsToNative(), *blobData, info.GetIsolate()))
return;
long long fileSize = blobData->length();
RefPtrWillBeRawPtr<File> file = File::create(fileName, properties.lastModified(), BlobDataHandle::create(blobData.release(), fileSize));
v8SetReturnValue(info, file.release());
}
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 V8Blob::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
ExceptionState exceptionState(ExceptionState::ConstructionContext, "Blob", info.Holder(), info.GetIsolate());
if (!info.Length()) {
RefPtrWillBeRawPtr<Blob> blob = Blob::create();
v8SetReturnValue(info, blob.release());
return;
}
uint32_t length = 0;
if (info[0]->IsArray()) {
length = v8::Local<v8::Array>::Cast(info[0])->Length();
} else {
const int sequenceArgumentIndex = 0;
if (toV8Sequence(info[sequenceArgumentIndex], length, info.GetIsolate()).IsEmpty()) {
exceptionState.throwTypeError(ExceptionMessages::notAnArrayTypeArgumentOrValue(sequenceArgumentIndex + 1));
exceptionState.throwIfNeeded();
return;
}
}
V8BlobCustomHelpers::ParsedProperties properties(false);
if (info.Length() > 1) {
if (!info[1]->IsObject()) {
exceptionState.throwTypeError("The 2nd argument is not of type Object.");
exceptionState.throwIfNeeded();
return;
}
if (!properties.parseBlobPropertyBag(info[1], "Blob", exceptionState, info.GetIsolate())) {
exceptionState.throwIfNeeded();
return;
}
}
OwnPtr<BlobData> blobData = BlobData::create();
blobData->setContentType(properties.contentType());
v8::Local<v8::Object> blobParts = v8::Local<v8::Object>::Cast(info[0]);
if (!V8BlobCustomHelpers::processBlobParts(blobParts, length, properties.normalizeLineEndingsToNative(), *blobData, info.GetIsolate()))
return;
long long blobSize = blobData->length();
RefPtrWillBeRawPtr<Blob> blob = Blob::create(BlobDataHandle::create(blobData.release(), blobSize));
v8SetReturnValue(info, blob.release());
}
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;
}
