V new_blob(int size)
{
V t = make_new_value(T_BLOB, true, sizeof(Blob));
toBlob(t)->size = size;
toBlob(t)->data = calloc(size, 1); //TODO: check return value
return t;
}
int getbyte_blob(V blob, blobsize_t index)
{
if (index < 0 || index >= toBlob(blob)->size)
{
return -1; // :(
}
return toBlob(blob)->data[index];
}
int setbyte_blob(V blob, blobsize_t index, unsigned char value)
{
if (index < 0 || index >= toBlob(blob)->size)
{
return -1; // :(
}
toBlob(blob)->data[index] = value;
return 0;
}
int blit_blob(V dest, V src, blobsize_t offset)
{
if (offset < 0 || toBlob(dest)->size < offset + toBlob(src)->size)
{
return -1;
}
memcpy(toBlob(dest)->data + offset, toBlob(src)->data, toBlob(src)->size);
return 0;
}
JSValue JSXMLHttpRequest::send(ExecState* exec, const ArgList& args)
{
ExceptionCode ec = 0;
if (args.isEmpty())
impl()->send(ec);
else {
JSValue val = args.at(0);
if (val.isUndefinedOrNull())
impl()->send(ec);
else if (val.inherits(&JSDocument::s_info))
impl()->send(toDocument(val), ec);
else if (val.inherits(&JSBlob::s_info))
impl()->send(toBlob(val), ec);
else
impl()->send(val.toString(exec), ec);
}
int signedLineNumber;
intptr_t sourceID;
UString sourceURL;
JSValue function;
exec->interpreter()->retrieveLastCaller(exec, signedLineNumber, sourceID, sourceURL, function);
impl()->setLastSendLineNumber(signedLineNumber >= 0 ? signedLineNumber : 0);
impl()->setLastSendURL(sourceURL);
setDOMException(exec, ec);
return jsUndefined();
}
JSValue JSXMLHttpRequest::send(ExecState* exec)
{
ExceptionCode ec = 0;
if (!exec->argumentCount())
impl()->send(ec);
else {
JSValue val = exec->argument(0);
if (val.isUndefinedOrNull())
impl()->send(ec);
else if (val.inherits(&JSDocument::s_info))
impl()->send(toDocument(val), ec);
else if (val.inherits(&JSBlob::s_info))
impl()->send(toBlob(val), ec);
else if (val.inherits(&JSDOMFormData::s_info))
impl()->send(toDOMFormData(val), ec);
else
impl()->send(ustringToString(val.toString(exec)), ec);
}
int signedLineNumber;
intptr_t sourceID;
UString sourceURL;
JSValue function;
exec->interpreter()->retrieveLastCaller(exec, signedLineNumber, sourceID, sourceURL, function);
impl()->setLastSendLineNumber(signedLineNumber >= 0 ? signedLineNumber : 0);
impl()->setLastSendURL(ustringToString(sourceURL));
setDOMException(exec, ec);
return jsUndefined();
}
JSValue JSWebSocket::send(ExecState* exec)
{
if (!exec->argumentCount())
return throwError(exec, createSyntaxError(exec, "Not enough arguments"));
JSValue message = exec->argument(0);
ExceptionCode ec = 0;
bool result;
if (message.inherits(&JSArrayBuffer::s_info))
result = impl()->send(toArrayBuffer(message), ec);
else if (message.inherits(&JSBlob::s_info))
result = impl()->send(toBlob(message), ec);
else {
String stringMessage = ustringToString(message.toString(exec)->value(exec));
if (exec->hadException())
return jsUndefined();
result = impl()->send(stringMessage, ec);
}
if (ec) {
setDOMException(exec, ec);
return jsUndefined();
}
return jsBoolean(result);
}
JSValue JSXMLHttpRequest::send(ExecState* exec)
{
InspectorInstrumentation::willSendXMLHttpRequest(impl().scriptExecutionContext(), impl().url());
ExceptionCode ec = 0;
JSValue val = exec->argument(0);
if (val.isUndefinedOrNull())
impl().send(ec);
else if (val.inherits(JSDocument::info()))
impl().send(toDocument(val), ec);
else if (val.inherits(JSBlob::info()))
impl().send(toBlob(val), ec);
else if (val.inherits(JSDOMFormData::info()))
impl().send(toDOMFormData(val), ec);
else if (val.inherits(JSArrayBuffer::info()))
impl().send(toArrayBuffer(val), ec);
else if (val.inherits(JSArrayBufferView::info())) {
RefPtr<ArrayBufferView> view = toArrayBufferView(val);
impl().send(view.get(), ec);
} else
impl().send(val.toString(exec)->value(exec), ec);
SendFunctor functor;
exec->iterate(functor);
impl().setLastSendLineNumber(functor.line());
impl().setLastSendURL(functor.url());
setDOMException(exec, ec);
return jsUndefined();
}
TITANIUM_FUNCTION(Buffer, toBlob)
{
const auto blob = toBlob();
if (blob) {
return blob->get_object();
} else {
return get_context().CreateNull();
}
}
V clone_blob(V blob)
{
V t = make_new_value(T_BLOB, true, sizeof(Blob));
toBlob(t)->size = toBlob(blob)->size;
toBlob(t)->data = malloc(toBlob(blob)->size); //TODO: check return value
memcpy(toBlob(t)->data, toBlob(blob)->data, toBlob(blob)->size);
return t;
}
void resize_blob(V blob, blobsize_t size)
{
Blob *b = toBlob(blob);
b->data = realloc(b->data, size);
if (size > b->size)
{
memset(b->data + b->size, 0, size - b->size);
}
b->size = size;
}
EncodedJSValue JSC_HOST_CALL jsFileReaderPrototypeFunctionReadAsDataURL(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&JSFileReader::s_info))
return throwVMTypeError(exec);
JSFileReader* castedThis = static_cast<JSFileReader*>(asObject(thisValue));
FileReader* imp = static_cast<FileReader*>(castedThis->impl());
Blob* blob(toBlob(exec->argument(0)));
if (exec->hadException())
return JSValue::encode(jsUndefined());
imp->readAsDataURL(blob);
return JSValue::encode(jsUndefined());
}
JSValue JSDOMFormData::append(ExecState* exec)
{
if (exec->argumentCount() >= 2) {
String name = ustringToString(exec->argument(0).toString(exec));
JSValue value = exec->argument(1);
if (value.inherits(&JSBlob::s_info)) {
String filename;
if (exec->argumentCount() >= 3 && !exec->argument(2).isUndefinedOrNull())
filename = ustringToString(exec->argument(2).toString(exec));
impl()->append(name, toBlob(value), filename);
} else
impl()->append(name, ustringToString(value.toString(exec)));
}
return jsUndefined();
}
EncodedJSValue JSC_HOST_CALL jsFileReaderPrototypeFunctionReadAsText(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&JSFileReader::s_info))
return throwVMTypeError(exec);
JSFileReader* castedThis = static_cast<JSFileReader*>(asObject(thisValue));
FileReader* imp = static_cast<FileReader*>(castedThis->impl());
Blob* blob(toBlob(exec->argument(0)));
if (exec->hadException())
return JSValue::encode(jsUndefined());
int argsCount = exec->argumentCount();
if (argsCount <= 1) {
imp->readAsText(blob);
return JSValue::encode(jsUndefined());
}
const String& encoding(ustringToString(exec->argument(1).toString(exec)));
if (exec->hadException())
return JSValue::encode(jsUndefined());
imp->readAsText(blob, encoding);
return JSValue::encode(jsUndefined());
}
JSValue JSXMLHttpRequest::send(ExecState* exec)
{
InspectorInstrumentation::willSendXMLHttpRequest(impl()->scriptExecutionContext(), impl()->url());
ExceptionCode ec = 0;
if (!exec->argumentCount())
impl()->send(ec);
else {
JSValue val = exec->argument(0);
if (val.isUndefinedOrNull())
impl()->send(ec);
else if (val.inherits(&JSDocument::s_info))
impl()->send(toDocument(val), ec);
else if (val.inherits(&JSBlob::s_info))
impl()->send(toBlob(val), ec);
else if (val.inherits(&JSDOMFormData::s_info))
impl()->send(toDOMFormData(val), ec);
else if (val.inherits(&JSArrayBuffer::s_info))
impl()->send(toArrayBuffer(val), ec);
else if (val.inherits(&JSArrayBufferView::s_info))
impl()->send(toArrayBufferView(val), ec);
else
impl()->send(val.toString(exec)->value(exec), ec);
}
int signedLineNumber;
intptr_t sourceID;
String sourceURL;
JSValue function;
exec->interpreter()->retrieveLastCaller(exec, signedLineNumber, sourceID, sourceURL, function);
impl()->setLastSendLineNumber(signedLineNumber >= 0 ? signedLineNumber : 0);
impl()->setLastSendURL(sourceURL);
setDOMException(exec, ec);
return jsUndefined();
}
EncodedJSValue JSC_HOST_CALL JSBlobConstructor::constructJSBlob(ExecState* exec)
{
JSBlobConstructor* jsConstructor = jsCast<JSBlobConstructor*>(exec->callee());
ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
if (!context)
return throwVMError(exec, createReferenceError(exec, "Blob constructor associated document is unavailable"));
if (!exec->argumentCount()) {
RefPtr<Blob> blob = Blob::create();
return JSValue::encode(CREATE_DOM_WRAPPER(exec, jsConstructor->globalObject(), Blob, blob.get()));
}
JSValue firstArg = exec->argument(0);
if (!isJSArray(firstArg))
return throwVMError(exec, createTypeError(exec, "First argument of the constructor is not of type Array"));
String type;
String endings = "transparent";
if (exec->argumentCount() > 1) {
JSValue blobPropertyBagValue = exec->argument(1);
if (!blobPropertyBagValue.isObject())
return throwVMError(exec, createTypeError(exec, "Second argument of the constructor is not of type Object"));
// Given the above test, this will always yield an object.
JSObject* blobPropertyBagObject = blobPropertyBagValue.toObject(exec);
// Create the dictionary wrapper from the initializer object.
JSDictionary dictionary(exec, blobPropertyBagObject);
// Attempt to get the endings property and validate it.
bool containsEndings = dictionary.get("endings", endings);
if (exec->hadException())
return JSValue::encode(jsUndefined());
if (containsEndings) {
if (endings != "transparent" && endings != "native")
return throwVMError(exec, createTypeError(exec, "The endings property must be either \"transparent\" or \"native\""));
}
// Attempt to get the type property.
dictionary.get("type", type);
if (exec->hadException())
return JSValue::encode(jsUndefined());
}
ASSERT(endings == "transparent" || endings == "native");
// FIXME: this would be better if the WebKitBlobBuilder were a stack object to avoid the allocation.
RefPtr<WebKitBlobBuilder> blobBuilder = WebKitBlobBuilder::create();
JSArray* array = asArray(firstArg);
unsigned length = array->length();
for (unsigned i = 0; i < length; ++i) {
JSValue item = array->getIndex(i);
#if ENABLE(BLOB)
if (item.inherits(&JSArrayBuffer::s_info))
blobBuilder->append(toArrayBuffer(item));
else
#endif
if (item.inherits(&JSBlob::s_info))
blobBuilder->append(toBlob(item));
else {
String string = ustringToString(item.toString(exec)->value(exec));
if (exec->hadException())
return JSValue::encode(jsUndefined());
blobBuilder->append(string, endings, ASSERT_NO_EXCEPTION);
}
}
RefPtr<Blob> blob = blobBuilder->getBlob(type);
return JSValue::encode(CREATE_DOM_WRAPPER(exec, jsConstructor->globalObject(), Blob, blob.get()));
}
EncodedJSValue JSC_HOST_CALL JSBlobConstructor::constructJSBlob(ExecState* exec)
{
JSBlobConstructor* jsConstructor = jsCast<JSBlobConstructor*>(exec->callee());
ScriptExecutionContext* context = jsConstructor->scriptExecutionContext();
if (!context)
return throwVMError(exec, createReferenceError(exec, "Blob constructor associated document is unavailable"));
if (!exec->argumentCount()) {
RefPtr<Blob> blob = Blob::create();
return JSValue::encode(CREATE_DOM_WRAPPER(jsConstructor->globalObject(), Blob, blob.get()));
}
unsigned blobPartsLength = 0;
JSObject* blobParts = toJSSequence(exec, exec->argument(0), blobPartsLength);
if (exec->hadException())
return JSValue::encode(jsUndefined());
ASSERT(blobParts);
String type;
String endings = ASCIILiteral("transparent");
if (exec->argumentCount() > 1) {
JSValue blobPropertyBagValue = exec->argument(1);
if (!blobPropertyBagValue.isObject())
return throwVMError(exec, createTypeError(exec, "Second argument of the constructor is not of type Object"));
// Given the above test, this will always yield an object.
JSObject* blobPropertyBagObject = blobPropertyBagValue.toObject(exec);
// Create the dictionary wrapper from the initializer object.
JSDictionary dictionary(exec, blobPropertyBagObject);
// Attempt to get the endings property and validate it.
bool containsEndings = dictionary.get("endings", endings);
if (exec->hadException())
return JSValue::encode(jsUndefined());
if (containsEndings) {
if (endings != "transparent" && endings != "native")
return throwVMError(exec, createTypeError(exec, "The endings property must be either \"transparent\" or \"native\""));
}
// Attempt to get the type property.
dictionary.get("type", type);
if (exec->hadException())
return JSValue::encode(jsUndefined());
}
ASSERT(endings == "transparent" || endings == "native");
BlobBuilder blobBuilder;
for (unsigned i = 0; i < blobPartsLength; ++i) {
JSValue item = blobParts->get(exec, i);
if (exec->hadException())
return JSValue::encode(jsUndefined());
#if ENABLE(BLOB)
if (ArrayBuffer* arrayBuffer = toArrayBuffer(item))
blobBuilder.append(arrayBuffer);
else if (RefPtr<ArrayBufferView> arrayBufferView = toArrayBufferView(item))
blobBuilder.append(arrayBufferView.release());
else
#endif
if (Blob* blob = toBlob(item))
blobBuilder.append(blob);
else {
String string = item.toString(exec)->value(exec);
if (exec->hadException())
return JSValue::encode(jsUndefined());
blobBuilder.append(string, endings);
}
}
RefPtr<Blob> blob = Blob::create(blobBuilder.finalize(), Blob::normalizedContentType(type));
return JSValue::encode(CREATE_DOM_WRAPPER(jsConstructor->globalObject(), Blob, blob.get()));
}
