result_t util_base::isEmpty(v8::Local<v8::Value> v, bool& retVal)
{
if (v->IsNull()) {
retVal = true;
return 0;
}
if (v->IsString()) {
retVal = v8::Local<v8::String>::Cast(v)->Length() == 0;
return 0;
}
if (v->IsStringObject()) {
retVal = v8::Local<v8::StringObject>::Cast(v)->ValueOf()->Length() == 0;
return 0;
}
if (v->IsArray()) {
retVal = v8::Local<v8::Array>::Cast(v)->Length() == 0;
return 0;
}
if (v->IsObject()) {
retVal = v->ToObject()->GetOwnPropertyNames()->Length() == 0;
return 0;
}
retVal = true;
return 0;
}
result_t util_base::map(v8::Local<v8::Value> list, v8::Local<v8::Function> iterator,
v8::Local<v8::Value> context, v8::Local<v8::Array> &retVal)
{
Isolate* isolate = Isolate::current();
v8::Local<v8::Array> arr = v8::Array::New(isolate->m_isolate);
if (!list->IsObject())
{
retVal = arr;
return 0;
}
v8::Local<v8::Value> args[3];
args[2] = list;
v8::Local<v8::Object> o = v8::Local<v8::Object>::Cast(list);
v8::Local<v8::Value> v = o->Get(isolate->NewFromUtf8("length"));
int32_t cnt = 0;
if (IsEmpty(v))
{
v8::Local<v8::Array> keys = o->GetPropertyNames();
int32_t len = keys->Length();
int32_t i;
for (i = 0; i < len; i ++)
{
args[1] = keys->Get(i);
args[0] = o->Get(args[1]);
v = iterator->Call(context, 3, args);
if (v.IsEmpty())
return CALL_E_JAVASCRIPT;
arr->Set(cnt ++, v);
}
}
else
{
int32_t len = v->Int32Value();
int32_t i;
for (i = 0; i < len; i ++)
{
args[1] = v8::Int32::New(isolate->m_isolate, i);
args[0] = o->Get(args[1]);
v = iterator->Call(context, 3, args);
if (v.IsEmpty())
return CALL_E_JAVASCRIPT;
arr->Set(cnt ++, v);
}
}
retVal = arr;
return 0;
}
void V8ArrayBufferOrArrayBufferViewOrDictionary::toImpl(v8::Isolate* isolate, v8::Local<v8::Value> v8Value, ArrayBufferOrArrayBufferViewOrDictionary& impl, UnionTypeConversionMode conversionMode, ExceptionState& exceptionState)
{
if (v8Value.IsEmpty())
return;
if (conversionMode == UnionTypeConversionMode::Nullable && isUndefinedOrNull(v8Value))
return;
if (v8Value->IsArrayBuffer()) {
TestArrayBuffer* cppValue = V8ArrayBuffer::toImpl(v8::Local<v8::Object>::Cast(v8Value));
impl.setArrayBuffer(cppValue);
return;
}
if (v8Value->IsArrayBufferView()) {
TestArrayBufferView* cppValue = V8ArrayBufferView::toImpl(v8::Local<v8::Object>::Cast(v8Value));
impl.setArrayBufferView(cppValue);
return;
}
if (isUndefinedOrNull(v8Value) || v8Value->IsObject()) {
Dictionary cppValue = Dictionary(v8Value, isolate, exceptionState);
if (exceptionState.hadException())
return;
impl.setDictionary(cppValue);
return;
}
exceptionState.throwTypeError("The provided value is not of type '(ArrayBuffer or ArrayBufferView or Dictionary)'");
}
static PassRefPtr<WebKitFlags> getFlags(const v8::Local<v8::Value>& arg, ExceptionCode& ec)
{
ec = 0;
if (isUndefinedOrNull(arg) || !arg->IsObject())
return 0;
v8::Handle<v8::Object> object;
{
v8::TryCatch block;
object = v8::Handle<v8::Object>::Cast(arg);
if (block.HasCaught()) {
ec = TYPE_MISMATCH_ERR;
return 0;
}
}
bool isCreate = extractBooleanValue(object, "create", ec);
if (ec)
return 0;
bool isExclusive = extractBooleanValue(object, "exclusive", ec);
if (ec)
return 0;
RefPtr<WebKitFlags> flags = WebKitFlags::create();
flags->setCreate(isCreate);
flags->setExclusive(isExclusive);
return flags;
}
void Msg_Struct::build_buffer_struct(const Field_Info &field_info, Block_Buffer &buffer, Isolate* isolate, v8::Local<v8::Value> value) {
Struct_Name_Map::iterator it = MSG_MANAGER->msg_struct_name_map().find(field_info.field_type);
if(it == MSG_MANAGER->msg_struct_name_map().end()) {
LOG_ERROR("Can not find the struct_name:%s", field_info.field_type.c_str());
return;
}
if (!value->IsObject()) {
LOG_ERROR("field_type:%s field_name:%s is not object, struct_name:%s", field_info.field_type.c_str(), field_info.field_name.c_str(), struct_name().c_str());
return;
}
Local<Object> object = value->ToObject(isolate->GetCurrentContext()).ToLocalChecked();
std::vector<Field_Info> field_vec = it->second->field_vec();
for(std::vector<Field_Info>::const_iterator iter = field_vec.begin();
iter != field_vec.end(); iter++) {
Local<Value> element = object->Get(isolate->GetCurrentContext(), String::NewFromUtf8(isolate, iter->field_name.c_str(), NewStringType::kNormal).ToLocalChecked()).ToLocalChecked();
if(iter->field_label == "arg") {
build_buffer_arg(*iter, buffer, isolate, element);
}
else if(iter->field_label == "vector") {
build_buffer_vector(*iter, buffer, isolate, element);
}
else if(iter->field_label == "map") {
build_buffer_map(*iter, buffer, isolate, element);
}
else if(iter->field_label == "struct") {
build_buffer_struct(*iter, buffer, isolate, element);
}
}
}
result_t util_base::values(v8::Local<v8::Value> v, v8::Local<v8::Array> &retVal)
{
Isolate* isolate = Isolate::current();
if (v->IsObject())
{
v8::Local<v8::Object> obj = v->ToObject();
v8::Local<v8::Array> keys = obj->GetPropertyNames();
v8::Local<v8::Array> arr = v8::Array::New(isolate->m_isolate);
int32_t len = keys->Length();
int32_t i, n = 0;
for (i = 0; i < len; i ++)
{
v8::Local<v8::Value> key = keys->Get(i);
arr->Set(n++, obj->Get(key));
}
retVal = arr;
}
else
retVal = v8::Array::New(isolate->m_isolate);
return 0;
}
result_t util_base::clone(v8::Local<v8::Value> v, v8::Local<v8::Value> &retVal)
{
if (!v->IsProxy() && v->IsObject() && !object_base::getInstance(v))
{
Isolate* isolate = Isolate::current();
if (v->IsFunction() || v->IsArgumentsObject() || v->IsSymbolObject())
retVal = v;
else if (v->IsDate())
retVal = v8::Date::New(isolate->m_isolate, v->NumberValue());
else if (v->IsBooleanObject())
retVal = v8::BooleanObject::New(v->BooleanValue());
else if (v->IsNumberObject())
retVal = v8::NumberObject::New(isolate->m_isolate, v->NumberValue());
else if (v->IsStringObject())
retVal = v8::StringObject::New(v->ToString());
else if (v->IsRegExp())
{
v8::Local<v8::RegExp> re = v8::Local<v8::RegExp>::Cast(v);
retVal = v8::RegExp::New(re->GetSource(), re->GetFlags());
}
else
retVal = v8::Local<v8::Object>::Cast(v)->Clone();
}
else
retVal = v;
return 0;
}
jobject TypeConverter::jsValueToJavaError(JNIEnv *env, v8::Local<v8::Value> jsValue, bool* isNew)
{
if (jsValue->IsObject()) {
v8::Handle<v8::Object> jsObject = jsValue->ToObject();
// If it's a java object, we just return null for now.
if (!JavaObject::isJavaObject(jsObject)) {
Handle<String> stackString = String::New("stack"), messageString = String::New("message");
if (jsObject->HasOwnProperty(stackString) || jsObject->HasOwnProperty(messageString)) {
bool keyIsNew, valueIsNew;
*isNew = true;
v8::Local<v8::Value> jsObjectMessageProperty = jsObject->GetRealNamedProperty(messageString);
v8::Local<v8::Value> jsObjectStackProperty = jsObject->GetRealNamedProperty(stackString);
return env->NewObject(JNIUtil::krollExceptionClass, JNIUtil::krollExceptionInitMethod,
TypeConverter::jsValueToJavaString(env, jsObjectMessageProperty), TypeConverter::jsValueToJavaString(env, jsObjectStackProperty));
}
}
} else {
*isNew = true;
return env->NewObject(JNIUtil::krollExceptionClass, JNIUtil::krollExceptionInitMethod,
TypeConverter::jsValueToJavaString(env, jsValue), NULL);
}
if (!jsValue->IsNull() && !jsValue->IsUndefined()) {
LOGW(TAG, "jsValueToJavaObject returning null.");
}
return NULL;
}
void V8TestInterfaceEventInit::toImpl(v8::Isolate* isolate, v8::Local<v8::Value> v8Value, TestInterfaceEventInit& impl, ExceptionState& exceptionState) {
if (isUndefinedOrNull(v8Value)) {
return;
}
if (!v8Value->IsObject()) {
exceptionState.throwTypeError("cannot convert to dictionary.");
return;
}
V8EventInit::toImpl(isolate, v8Value, impl, exceptionState);
if (exceptionState.hadException())
return;
v8::TryCatch block(isolate);
v8::Local<v8::Object> v8Object;
if (!v8Call(v8Value->ToObject(isolate->GetCurrentContext()), v8Object, block)) {
exceptionState.rethrowV8Exception(block.Exception());
return;
}
v8::Local<v8::Value> stringMemberValue;
if (!v8Object->Get(isolate->GetCurrentContext(), v8String(isolate, "stringMember")).ToLocal(&stringMemberValue)) {
exceptionState.rethrowV8Exception(block.Exception());
return;
}
if (stringMemberValue.IsEmpty() || stringMemberValue->IsUndefined()) {
// Do nothing.
} else {
V8StringResource<> stringMember = stringMemberValue;
if (!stringMember.prepare(exceptionState))
return;
impl.setStringMember(stringMember);
}
}
void convertV8ObjectToNPVariant(v8::Local<v8::Value> object, NPObject* owner, NPVariant* result)
{
VOID_TO_NPVARIANT(*result);
// It is really the caller's responsibility to deal with the empty handle case because there could be different actions to
// take in different contexts.
ASSERT(!object.IsEmpty());
if (object.IsEmpty())
return;
if (object->IsNumber())
DOUBLE_TO_NPVARIANT(object->NumberValue(), *result);
else if (object->IsBoolean())
BOOLEAN_TO_NPVARIANT(object->BooleanValue(), *result);
else if (object->IsNull())
NULL_TO_NPVARIANT(*result);
else if (object->IsUndefined())
VOID_TO_NPVARIANT(*result);
else if (object->IsString()) {
v8::Handle<v8::String> str = object->ToString();
int length = str->Utf8Length() + 1;
char* utf8Chars = reinterpret_cast<char*>(malloc(length));
str->WriteUtf8(utf8Chars, length, 0, v8::String::HINT_MANY_WRITES_EXPECTED);
STRINGN_TO_NPVARIANT(utf8Chars, length-1, *result);
} else if (object->IsObject()) {
DOMWindow* window = V8Proxy::retrieveWindow(V8Proxy::currentContext());
NPObject* npobject = npCreateV8ScriptObject(0, v8::Handle<v8::Object>::Cast(object), window);
if (npobject)
_NPN_RegisterObject(npobject, owner);
OBJECT_TO_NPVARIANT(npobject, *result);
}
}
void V8TestPermissiveDictionary::toImpl(v8::Isolate* isolate, v8::Local<v8::Value> v8Value, TestPermissiveDictionary& impl, ExceptionState& exceptionState)
{
if (isUndefinedOrNull(v8Value))
return;
if (!v8Value->IsObject()) {
// Do nothing.
return;
}
v8::TryCatch block;
v8::Local<v8::Object> v8Object;
if (!v8Call(v8Value->ToObject(isolate->GetCurrentContext()), v8Object, block)) {
exceptionState.rethrowV8Exception(block.Exception());
return;
}
{
v8::Local<v8::Value> booleanMemberValue;
if (!v8Object->Get(isolate->GetCurrentContext(), v8String(isolate, "booleanMember")).ToLocal(&booleanMemberValue)) {
exceptionState.rethrowV8Exception(block.Exception());
return;
}
if (booleanMemberValue.IsEmpty() || booleanMemberValue->IsUndefined()) {
// Do nothing.
} else {
bool booleanMember = toBoolean(isolate, booleanMemberValue, exceptionState);
if (exceptionState.hadException())
return;
impl.setBooleanMember(booleanMember);
}
}
}
Dictionary::Dictionary(v8::Isolate* isolate,
v8::Local<v8::Value> dictionaryObject,
ExceptionState& exceptionState)
: m_isolate(isolate) {
DCHECK(isolate);
// https://heycam.github.io/webidl/#es-dictionary
// Type of an ECMAScript value must be Undefined, Null or Object.
if (dictionaryObject.IsEmpty() || dictionaryObject->IsUndefined()) {
m_valueType = ValueType::Undefined;
return;
}
if (dictionaryObject->IsNull()) {
m_valueType = ValueType::Null;
return;
}
if (dictionaryObject->IsObject()) {
m_valueType = ValueType::Object;
m_dictionaryObject = dictionaryObject.As<v8::Object>();
return;
}
exceptionState.throwTypeError(
"The dictionary provided is neither undefined, null nor an Object.");
}
void convertV8ObjectToNPVariant(v8::Local<v8::Value> object, NPObject* owner, NPVariant* result)
{
VOID_TO_NPVARIANT(*result);
// It is really the caller's responsibility to deal with the empty handle case because there could be different actions to
// take in different contexts.
ASSERT(!object.IsEmpty());
if (object.IsEmpty())
return;
if (object->IsInt32())
INT32_TO_NPVARIANT(object->NumberValue(), *result);
else if (object->IsNumber())
DOUBLE_TO_NPVARIANT(object->NumberValue(), *result);
else if (object->IsBoolean())
BOOLEAN_TO_NPVARIANT(object->BooleanValue(), *result);
else if (object->IsNull())
NULL_TO_NPVARIANT(*result);
else if (object->IsUndefined())
VOID_TO_NPVARIANT(*result);
else if (object->IsString()) {
v8::String::Utf8Value utf8(object);
char* utf8_chars = strdup(*utf8);
STRINGN_TO_NPVARIANT(utf8_chars, utf8.length(), *result);
} else if (object->IsObject()) {
WebCore::DOMWindow* window = WebCore::V8Proxy::retrieveWindow(WebCore::V8Proxy::currentContext());
NPObject* npobject = npCreateV8ScriptObject(0, v8::Handle<v8::Object>::Cast(object), window);
if (npobject)
_NPN_RegisterObject(npobject, owner);
OBJECT_TO_NPVARIANT(npobject, *result);
}
}
v8::Local<v8::Object> Convert::getJsObject(v8::Local<v8::Value> js)
{
if (!js->IsObject())
{
throw std::runtime_error("object");
}
return js->ToObject();
}
jobject v8ToJava(JNIEnv* env, v8::Local<v8::Value> arg) {
if(arg->IsNull() || arg->IsUndefined()) {
return NULL;
}
if(arg->IsArray()) {
v8::Local<v8::Array> array = v8::Array::Cast(*arg);
uint32_t arraySize = array->Length();
jclass objectClazz = env->FindClass("java/lang/Object");
jobjectArray result = env->NewObjectArray(arraySize, objectClazz, NULL);
for(uint32_t i=0; i<arraySize; i++) {
jobject val = v8ToJava(env, array->Get(i));
env->SetObjectArrayElement(result, i, val);
}
return result;
}
if(arg->IsString()) {
v8::String::AsciiValue val(arg->ToString());
return env->NewStringUTF(*val);
}
if(arg->IsInt32() || arg->IsUint32()) {
jint val = arg->ToInt32()->Value();
jclass clazz = env->FindClass("java/lang/Integer");
jmethodID constructor = env->GetMethodID(clazz, "<init>", "(I)V");
return env->NewObject(clazz, constructor, val);
}
if(arg->IsNumber()) {
jdouble val = arg->ToNumber()->Value();
jclass clazz = env->FindClass("java/lang/Double");
jmethodID constructor = env->GetMethodID(clazz, "<init>", "(D)V");
return env->NewObject(clazz, constructor, val);
}
if(arg->IsBoolean()) {
jboolean val = arg->ToBoolean()->Value();
jclass clazz = env->FindClass("java/lang/Boolean");
jmethodID constructor = env->GetMethodID(clazz, "<init>", "(Z)V");
return env->NewObject(clazz, constructor, val);
}
if(arg->IsObject()) {
v8::Local<v8::Object> obj = v8::Object::Cast(*arg);
v8::String::AsciiValue constructorName(obj->GetConstructorName());
if(strcmp(*constructorName, "JavaObject") == 0) {
JavaObject* javaObject = node::ObjectWrap::Unwrap<JavaObject>(obj);
return javaObject->getObject();
}
}
// TODO: handle other arg types
v8::String::AsciiValue typeStr(arg);
printf("Unhandled type: %s\n", *typeStr);
return NULL;
}
v8::Local<v8::Object> V8PerIsolateData::findInstanceInPrototypeChain(const WrapperTypeInfo* info, v8::Local<v8::Value> value, DOMTemplateMap& domTemplateMap)
{
if (value.IsEmpty() || !value->IsObject())
return v8::Local<v8::Object>();
DOMTemplateMap::iterator result = domTemplateMap.find(info);
if (result == domTemplateMap.end())
return v8::Local<v8::Object>();
v8::Local<v8::FunctionTemplate> templ = result->value.Get(isolate());
return v8::Local<v8::Object>::Cast(value)->FindInstanceInPrototypeChain(templ);
}
V8NodeFilterCondition::V8NodeFilterCondition(v8::Local<v8::Value> filter, v8::Local<v8::Object> owner, ScriptState* scriptState)
: m_scriptState(scriptState)
{
// ..acceptNode(..) will only dispatch m_filter if m_filter->IsObject().
// We'll make sure m_filter is either usable by acceptNode or empty.
// (See the fast/dom/node-filter-gc test for a case where 'empty' happens.)
if (!filter.IsEmpty() && filter->IsObject()) {
V8HiddenValue::setHiddenValue(scriptState->isolate(), owner, V8HiddenValue::condition(scriptState->isolate()), filter);
m_filter.set(scriptState->isolate(), filter);
m_filter.setWeak(this, &setWeakCallback);
}
}
result_t util_base::has(v8::Local<v8::Value> v, const char *key, bool &retVal)
{
if (v->IsUndefined() || v->IsNull())
{
retVal = false;
return 0;
}
if (!v->IsObject())
return CHECK_ERROR(CALL_E_TYPEMISMATCH);
v8::Local<v8::Object> obj = v->ToObject();
retVal = obj->HasOwnProperty(Isolate::current()->NewFromUtf8(key));
return 0;
}
void V8Element::scrollTopAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
{
ExceptionState exceptionState(ExceptionState::SetterContext, "scrollTop", "Element", info.Holder(), info.GetIsolate());
Element* imp = V8Element::toNative(info.Holder());
if (RuntimeEnabledFeatures::cssomSmoothScrollEnabled() && value->IsObject()) {
V8TRYCATCH_VOID(Dictionary, scrollOptionsVertical, Dictionary(value, info.GetIsolate()));
imp->setScrollTop(scrollOptionsVertical, exceptionState);
exceptionState.throwIfNeeded();
return;
}
V8TRYCATCH_EXCEPTION_VOID(int, position, toInt32(value, exceptionState), exceptionState);
imp->setScrollTop(position);
}
Accumulate(Callback *data
, Callback *complete
, Callback *error_callback,
v8::Local<v8::Object> & options) : StreamingWorker(data, complete, error_callback){
sum = 0;
filter = "";
if (options->IsObject() ) {
v8::Local<v8::Value> filter_ = options->Get(New<v8::String>("filter").ToLocalChecked());
if ( filter_->IsString() ) {
v8::String::Utf8Value s(filter_);
filter = *s;
}
}
}
bool V8DOMWrapper::isWrapper(v8::Isolate* isolate, v8::Local<v8::Value> value)
{
if (value.IsEmpty() || !value->IsObject())
return false;
v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(value);
if (object->InternalFieldCount() < v8DefaultWrapperInternalFieldCount)
return false;
const WrapperTypeInfo* untrustedWrapperTypeInfo = toWrapperTypeInfo(object);
V8PerIsolateData* perIsolateData = V8PerIsolateData::from(isolate);
if (!(untrustedWrapperTypeInfo && perIsolateData))
return false;
return perIsolateData->hasInstance(untrustedWrapperTypeInfo, object);
}
bool V8DOMWrapper::hasInternalFieldsSet(v8::Local<v8::Value> value)
{
if (value.IsEmpty() || !value->IsObject())
return false;
v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(value);
if (object->InternalFieldCount() < v8DefaultWrapperInternalFieldCount)
return false;
const ScriptWrappable* untrustedScriptWrappable = toScriptWrappable(object);
const WrapperTypeInfo* untrustedWrapperTypeInfo = toWrapperTypeInfo(object);
return untrustedScriptWrappable
&& untrustedWrapperTypeInfo
&& untrustedWrapperTypeInfo->ginEmbedder == gin::kEmbedderBlink;
}
SassImportList CustomImporterBridge::post_process_return_value(v8::Local<v8::Value> returned_value) const {
SassImportList imports = 0;
Nan::HandleScope scope;
if (returned_value->IsArray()) {
v8::Local<v8::Array> array = returned_value.As<v8::Array>();
imports = sass_make_import_list(array->Length());
for (size_t i = 0; i < array->Length(); ++i) {
v8::Local<v8::Value> value = Nan::Get(array, static_cast<uint32_t>(i)).ToLocalChecked();
if (!value->IsObject()) {
auto entry = sass_make_import_entry(0, 0, 0);
sass_import_set_error(entry, "returned array must only contain object literals", -1, -1);
continue;
}
v8::Local<v8::Object> object = value.As<v8::Object>();
if (value->IsNativeError()) {
char* message = create_string(Nan::Get(object, Nan::New<v8::String>("message").ToLocalChecked()));
imports[i] = sass_make_import_entry(0, 0, 0);
sass_import_set_error(imports[i], message, -1, -1);
}
else {
imports[i] = get_importer_entry(object);
}
}
}
else if (returned_value->IsNativeError()) {
imports = sass_make_import_list(1);
v8::Local<v8::Object> object = returned_value.As<v8::Object>();
char* message = create_string(Nan::Get(object, Nan::New<v8::String>("message").ToLocalChecked()));
imports[0] = sass_make_import_entry(0, 0, 0);
sass_import_set_error(imports[0], message, -1, -1);
}
else if (returned_value->IsObject()) {
imports = sass_make_import_list(1);
imports[0] = get_importer_entry(returned_value.As<v8::Object>());
}
return imports;
}
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;
}
v8::Local<v8::Object> Convert::getJsObjectOrNull(v8::Local<v8::Value> js)
{
if (js->IsNull())
{
Nan::EscapableHandleScope scope;
v8::Local<v8::Object> newobj = Nan::New<v8::Object>();
Utility::Set(newobj, "special_hack_null_object", true);
return scope.Escape(newobj);
}
else if (js->IsObject())
{
return Convert::getJsObject(js);
}
throw std::runtime_error("object or null");
}
result_t SandBox::require(const char *id, v8::Local<v8::Value> &retVal)
{
std::string fname = resolvePath(id);
std::map<std::string, VariantEx >::iterator it;
// remove .js ext name if exists
if (fname.length() > 3 && !qstrcmp(&fname[fname.length() - 3], ".js"))
fname.resize(fname.length() - 3);
it = m_mods.find(fname);
if (it != m_mods.end())
{
retVal = it->second;
return 1;
}
if (!m_require.IsEmpty())
{
v8::Local<v8::Value> arg = v8::String::NewFromUtf8(isolate, fname.c_str());
retVal = v8::Local<v8::Function>::New(isolate, m_require)->Call(wrap(), 1, &arg);
if (retVal.IsEmpty())
return CALL_E_JAVASCRIPT;
if (!IsEmpty(retVal))
{
if (retVal->IsObject() && !object_base::getInstance(retVal))
retVal = retVal->ToObject()->Clone();
InstallModule(fname, retVal);
return 0;
}
}
// append .js ext name
fname += ".js";
result_t hr;
const char *pname = fname.c_str();
std::string buf;
hr = fs_base::ac_readFile(pname, buf);
if (hr < 0)
return hr;
return addScript(pname, buf.c_str(), retVal);
}
result_t util_base::pick(v8::Local<v8::Value> v,
const v8::FunctionCallbackInfo<v8::Value> &args,
v8::Local<v8::Object> &retVal)
{
Isolate* isolate = Isolate::current();
if (v->IsUndefined() || v->IsNull())
{
retVal = v8::Object::New(isolate->m_isolate);
return 0;
}
if (!v->IsObject())
return CHECK_ERROR(CALL_E_TYPEMISMATCH);
v8::Local<v8::Object> obj = v->ToObject();
v8::Local<v8::Object> obj1 = v8::Object::New(isolate->m_isolate);
int32_t argc = args.Length();
int32_t i, j;
for (i = 1; i < argc; i ++)
{
if (args[i]->IsArray())
{
v8::Local<v8::Array> arr = v8::Local<v8::Array>::Cast(args[i]);
int32_t len = arr->Length();
for (j = 0; j < len; j ++)
{
v8::Local<v8::Value> k = arr->Get(j);
if (obj->Has(k))
obj1->Set(k, obj->Get(k));
}
}
else
{
v8::Local<v8::Value> k = args[i];
if (obj->Has(k))
obj1->Set(k, obj->Get(k));
}
}
retVal = obj1;
return 0;
}
result_t util_base::flatten(v8::Local<v8::Value> list, bool shallow,
v8::Local<v8::Array> &retVal)
{
if (!list->IsObject())
return CHECK_ERROR(CALL_E_TYPEMISMATCH);
bool bNext = true;
Isolate* isolate = Isolate::current();
if (retVal.IsEmpty())
retVal = v8::Array::New(isolate->m_isolate);
else if (shallow)
bNext = false;
v8::Local<v8::Object> o = v8::Local<v8::Object>::Cast(list);
v8::Local<v8::Value> v = o->Get(isolate->NewFromUtf8("length"));
if (IsEmpty(v))
return CHECK_ERROR(CALL_E_TYPEMISMATCH);
int32_t len = v->Int32Value();
int32_t cnt = retVal->Length();
int32_t i;
for (i = 0; i < len; i ++)
{
v = o->Get(i);
if (bNext && v->IsObject())
{
v8::Local<v8::Object> o1 = v8::Local<v8::Object>::Cast(v);
v = o->Get(isolate->NewFromUtf8("length"));
if (IsEmpty(v))
retVal->Set(cnt ++, o->Get(i));
else
{
flatten(o1, shallow, retVal);
cnt = retVal->Length();
}
}
else
retVal->Set(cnt ++, o->Get(i));
}
return 0;
}
bool getMessagePortArray(v8::Local<v8::Value> value, MessagePortArray& portArray)
{
if (isUndefinedOrNull(value)) {
portArray.resize(0);
return true;
}
if (!value->IsObject()) {
throwError("MessagePortArray argument must be an object");
return false;
}
uint32_t length = 0;
v8::Local<v8::Object> ports = 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 = ports->Get(v8::String::New("length"));
if (!sequenceLength->IsNumber()) {
throwError("MessagePortArray argument has no length attribute");
return false;
}
length = sequenceLength->Uint32Value();
}
portArray.resize(length);
for (unsigned int i = 0; i < length; ++i) {
v8::Local<v8::Value> port = ports->Get(v8::Integer::New(i));
// Validation of non-null objects, per HTML5 spec 8.3.3.
if (isUndefinedOrNull(port)) {
throwError(INVALID_STATE_ERR);
return false;
}
// Validation of Objects implementing an interface, per WebIDL spec 4.1.15.
if (!V8MessagePort::HasInstance(port)) {
throwError("MessagePortArray argument must contain only MessagePorts");
return false;
}
portArray[i] = V8DOMWrapper::convertToNativeObject<MessagePort>(V8ClassIndex::MESSAGEPORT, v8::Handle<v8::Object>::Cast(port));
}
return true;
}
// static
CJS_Value::Type CJS_Value::GetValueType(v8::Local<v8::Value> value) {
if (value.IsEmpty())
return VT_unknown;
if (value->IsString())
return VT_string;
if (value->IsNumber())
return VT_number;
if (value->IsBoolean())
return VT_boolean;
if (value->IsDate())
return VT_date;
if (value->IsObject())
return VT_object;
if (value->IsNull())
return VT_null;
if (value->IsUndefined())
return VT_undefined;
return VT_unknown;
}