Exemplo n.º 1
0
result_t util_base::last(v8::Local<v8::Value> v, v8::Local<v8::Value> &retVal)
{
    Isolate* isolate = Isolate::current();

    if (v->IsUndefined() || v->IsNull())
    {
        retVal = v8::Undefined(isolate->m_isolate);
        return 0;
    }

    if (!v->IsArray())
        return CHECK_ERROR(CALL_E_TYPEMISMATCH);

    v8::Local<v8::Array> arr = v8::Local<v8::Array>::Cast(v);
    int32_t len = arr->Length();

    if (len == 0)
    {
        retVal = v8::Undefined(isolate->m_isolate);
        return 0;
    }

    retVal = arr->Get(len - 1);
    return 0;
}
Exemplo n.º 2
0
void V8Window::openerAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
{
    LocalDOMWindow* impl = V8Window::toNative(info.Holder());
    ExceptionState exceptionState(ExceptionState::SetterContext, "opener", "Window", info.Holder(), info.GetIsolate());
    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) {
        exceptionState.throwIfNeeded();
        return;
    }

    // Opener can be shadowed if it is in the same domain.
    // Have a special handling of null value to behave
    // like Firefox. See bug http://b/1224887 & http://b/791706.
    if (value->IsNull()) {
        // impl->frame() cannot be null,
        // otherwise, SameOrigin check would have failed.
        ASSERT(impl->frame());
        impl->frame()->loader().setOpener(0);
    }

    // Delete the accessor from this object.
    info.Holder()->Delete(v8AtomicString(info.GetIsolate(), "opener"));

    // Put property on the front (this) object.
    if (info.This()->IsObject())
        v8::Handle<v8::Object>::Cast(info.This())->Set(v8AtomicString(info.GetIsolate(), "opener"), value);
}
Exemplo n.º 3
0
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.");
}
Exemplo n.º 4
0
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);
    }
}
Exemplo n.º 5
0
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;
}
Exemplo n.º 6
0
result_t util_base::last(v8::Local<v8::Value> v, int32_t n, v8::Local<v8::Value> &retVal)
{
    Isolate* isolate = Isolate::current();
    if (v->IsUndefined() || v->IsNull() || n <= 0)
    {
        retVal = v8::Array::New(isolate->m_isolate);
        return 0;
    }

    if (!v->IsArray())
        return CHECK_ERROR(CALL_E_TYPEMISMATCH);

    v8::Local<v8::Array> arr = v8::Local<v8::Array>::Cast(v);
    int32_t len = arr->Length();
    int32_t i;

    if (n > len)
        n = len;

    v8::Local<v8::Array> arr1 = v8::Array::New(isolate->m_isolate);

    for (i = 0; i < n; i ++)
        arr1->Set(i, arr->Get(len - n + i));

    retVal = arr1;

    return 0;
}
Exemplo n.º 7
0
void V8Window::openerAttributeSetterCustom(
    v8::Local<v8::Value> value,
    const v8::PropertyCallbackInfo<void>& info) {
  v8::Isolate* isolate = info.GetIsolate();
  DOMWindow* impl = V8Window::toImpl(info.Holder());
  ExceptionState exceptionState(ExceptionState::SetterContext, "opener",
                                "Window", info.Holder(), isolate);
  if (!BindingSecurity::shouldAllowAccessTo(currentDOMWindow(info.GetIsolate()),
                                            impl, exceptionState)) {
    return;
  }

  // Opener can be shadowed if it is in the same domain.
  // Have a special handling of null value to behave
  // like Firefox. See bug http://b/1224887 & http://b/791706.
  if (value->IsNull()) {
    // impl->frame() has to be a non-null LocalFrame.  Otherwise, the
    // same-origin check would have failed.
    ASSERT(impl->frame());
    toLocalFrame(impl->frame())->loader().setOpener(0);
  }

  // Delete the accessor from the inner object.
  info.Holder()->Delete(isolate->GetCurrentContext(),
                        v8AtomicString(isolate, "opener"));

  // Put property on the inner object.
  if (info.Holder()->IsObject()) {
    v8::Maybe<bool> unused =
        v8::Local<v8::Object>::Cast(info.Holder())
            ->Set(isolate->GetCurrentContext(),
                  v8AtomicString(isolate, "opener"), value);
    ALLOW_UNUSED_LOCAL(unused);
  }
}
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;
}
Exemplo n.º 9
0
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);
    }
}
Exemplo n.º 10
0
String16 toProtocolString(v8::Local<v8::String> value)
{
    if (value.IsEmpty() || value->IsNull() || value->IsUndefined())
        return String16();
    std::unique_ptr<UChar[]> buffer(new UChar[value->Length()]);
    value->Write(reinterpret_cast<uint16_t*>(buffer.get()), 0, value->Length());
    return String16(buffer.get(), value->Length());
}
Exemplo n.º 11
0
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;
}
Exemplo n.º 12
0
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;
}
Exemplo n.º 13
0
result_t util_base::unique(v8::Local<v8::Value> v, bool sorted, v8::Local<v8::Array> &retVal)
{
    Isolate* isolate = Isolate::current();
    if (v->IsUndefined() || v->IsNull())
    {
        retVal = v8::Array::New(isolate->m_isolate);
        return 0;
    }

    if (!v->IsArray())
        return CHECK_ERROR(CALL_E_TYPEMISMATCH);

    v8::Local<v8::Array> arr1 = v8::Array::New(isolate->m_isolate);
    v8::Local<v8::Array> arr = v8::Local<v8::Array>::Cast(v);
    int32_t len = arr->Length();
    QuickArray<v8::Local<v8::Value> > vals;
    int32_t i, j, n = 0;

    vals.resize(len);
    for (i = 0; i < len; i ++)
    {
        v8::Local<v8::Value> val = arr->Get(i);

        for (j = i - 1; j >= 0; j --)
            if (!vals[j].IsEmpty())
            {
                if (val->StrictEquals(vals[j]))
                    break;

                if (sorted)
                {
                    j = -1;
                    break;
                }
            }

        if (j < 0)
            vals[i] = val;
    }

    for (i = 0; i < len; i ++)
        if (!vals[i].IsEmpty())
            arr1->Set(n++, vals[i]);

    retVal = arr1;

    return 0;
}
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");
}
Exemplo n.º 15
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void transferHiddenDependency(v8::Handle<v8::Object> object,
                              EventListener* oldValue, 
                              v8::Local<v8::Value> newValue, 
                              int cacheIndex)
{
    if (oldValue) {
        V8AbstractEventListener* oldListener = V8AbstractEventListener::cast(oldValue);
        if (oldListener) {
            v8::Local<v8::Object> oldListenerObject = oldListener->getExistingListenerObject();
            if (!oldListenerObject.IsEmpty())
                removeHiddenDependency(object, oldListenerObject, cacheIndex);
        }
    }
    if (!newValue->IsNull() && !newValue->IsUndefined())
        createHiddenDependency(object, newValue, cacheIndex);
}
Exemplo n.º 16
0
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;
}
void V8HTMLMediaElement::controllerAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
{
    MediaController* controller = 0;
    if (!value->IsNull()) {
        if (!V8MediaController::HasInstance(value, info.GetIsolate(), worldType(info.GetIsolate()))) {
            throwTypeError("Value is not of type MediaController", info.GetIsolate());
            return;
        }
        controller = V8MediaController::toNative(value->ToObject());
    }

    // 4.8.10.11.2 Media controllers: controller attribute.
    // On setting, it must first remove the element's mediagroup attribute, if any,
    HTMLMediaElement* imp = V8HTMLMediaElement::toNative(info.Holder());
    imp->setMediaGroup(String());
    // and then set the current media controller to the given value.
    imp->setController(controller);
}
Exemplo n.º 18
0
// 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;
}
Exemplo n.º 19
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result_t util_base::extend(v8::Local<v8::Value> v,
                           const v8::FunctionCallbackInfo<v8::Value> &args,
                           v8::Local<v8::Value> &retVal)
{
    if (v->IsUndefined() || v->IsNull())
    {
        retVal = v;
        return 0;
    }

    if (!v->IsObject())
        return CHECK_ERROR(CALL_E_TYPEMISMATCH);

    v8::Local<v8::Object> obj = v->ToObject();
    int32_t argc = args.Length();
    int32_t i, j;

    for (i = 1; i < argc; i ++)
    {
        v8::Local<v8::Value> val = args[i];

        if (val->IsUndefined() || val->IsNull())
            continue;

        if (!val->IsObject())
            return CHECK_ERROR(CALL_E_TYPEMISMATCH);

        v8::Local<v8::Object> obj1 = val->ToObject();
        v8::Local<v8::Array> keys = obj1->GetPropertyNames();
        int32_t len = keys->Length();

        for (j = 0; j < len; j ++)
        {
            v8::Local<v8::Value> key = keys->Get(j);
            obj->Set(key, obj1->Get(key));
        }
    }

    retVal = obj;

    return 0;
}
Exemplo n.º 20
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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();
    uint16_t *buf = new uint16_t[str->Length()+1];
    str->Write(buf);
    std::string utf8 = WideToUTF8(reinterpret_cast<wchar_t*>(buf));
    char* utf8_chars = strdup(utf8.c_str());
    STRINGN_TO_NPVARIANT(utf8_chars, utf8.length(), *result);
    delete[] buf;

  } else if (object->IsObject()) {
    WebCore::DOMWindow* window = WebCore::V8Proxy::retrieveWindow();
    NPObject* npobject = NPN_CreateScriptObject(
        0, v8::Handle<v8::Object>::Cast(object), window);
    if (npobject) {
      _NPN_RegisterObject(npobject, owner);
    }
    OBJECT_TO_NPVARIANT(npobject, *result);
  }
}
Exemplo n.º 21
0
jobject TypeConverter::jsObjectToJavaKrollDict(JNIEnv *env, v8::Local<v8::Value> jsValue, bool *isNew)
{
	if (jsValue->IsObject())
	{
		v8::Handle<v8::Object> jsObject = jsValue->ToObject();
		v8::Handle<v8::Array> objectKeys = jsObject->GetOwnPropertyNames();
		int numKeys = objectKeys->Length();
		*isNew = true;
		jobject javaKrollDict = env->NewObject(JNIUtil::krollDictClass, JNIUtil::krollDictInitMethod, numKeys);

		for (int i = 0; i < numKeys; i++) {
			v8::Local<v8::Value> jsObjectPropertyKey = objectKeys->Get((uint32_t) i);
			bool keyIsNew, valueIsNew;
			jobject javaObjectPropertyKey = TypeConverter::jsValueToJavaObject(env, jsObjectPropertyKey, &keyIsNew);
			v8::Local<v8::Value> jsObjectPropertyValue = jsObject->Get(jsObjectPropertyKey);
			jobject javaObjectPropertyValue = TypeConverter::jsValueToJavaObject(env, jsObjectPropertyValue, &valueIsNew);

			jobject result = env->CallObjectMethod(javaKrollDict,
				                                   JNIUtil::krollDictPutMethod,
				                                   javaObjectPropertyKey,
				                                   javaObjectPropertyValue);
			env->DeleteLocalRef(result);

			if (keyIsNew) {
				env->DeleteLocalRef(javaObjectPropertyKey);
			}
			if (valueIsNew) {
				env->DeleteLocalRef(javaObjectPropertyValue);
			}
		}

		return javaKrollDict;
	}

	if (!jsValue->IsNull() && !jsValue->IsUndefined()) {
		LOGW(TAG, "jsObjectToJavaKrollDict returning null.");
	}
	return NULL;
}
void V8Window::openerAttrSetterCustom(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
{
    DOMWindow* imp = V8Window::toNative(info.Holder());

    if (!BindingSecurity::shouldAllowAccessToFrame(imp->frame()))
        return;

    // Opener can be shadowed if it is in the same domain.
    // Have a special handling of null value to behave
    // like Firefox. See bug http://b/1224887 & http://b/791706.
    if (value->IsNull()) {
        // imp->frame() cannot be null,
        // otherwise, SameOrigin check would have failed.
        ASSERT(imp->frame());
        imp->frame()->loader()->setOpener(0);
    }

    // Delete the accessor from this object.
    info.Holder()->Delete(name);

    // Put property on the front (this) object.
    info.This()->Set(name, value);
}
Exemplo n.º 23
0
result_t util_base::omit(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();

    std::map<std::string, bool> _map;
    int32_t argc = args.Length();
    int32_t i, j;
    result_t hr;

    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 ++)
            {
                std::string k;
                hr = GetArgumentValue(arr->Get(j), k);
                if (hr < 0)
                    return CHECK_ERROR(hr);

                _map.insert(std::pair<std::string, bool>(k, true));
            }
        }
        else
        {
            std::string k;
            hr = GetArgumentValue(args[i], k);
            if (hr < 0)
                return CHECK_ERROR(hr);

            _map.insert(std::pair<std::string, bool>(k, true));
        }
    }

    v8::Local<v8::Array> keys = obj->GetPropertyNames();
    int32_t len = keys->Length();
    v8::Local<v8::Object> obj1 = v8::Object::New(isolate->m_isolate);

    for (i = 0; i < len; i ++)
    {
        v8::Local<v8::Value> key = keys->Get(i);

        if (_map.find(*v8::String::Utf8Value(key)) == _map.end())
            obj1->Set(key, obj->Get(key));
    }

    retVal = obj1;

    return 0;
}
Exemplo n.º 24
0
jobject v8ToJava(JNIEnv* env, v8::Local<v8::Value> arg) {
  if(arg.IsEmpty() || 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::Utf8Value 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::Local<v8::Value> isJavaObject = obj->GetHiddenValue(v8::String::New(V8_HIDDEN_MARKER_JAVA_OBJECT));
    if(!isJavaObject.IsEmpty() && isJavaObject->IsBoolean()) {
      return v8ToJava_javaObject(env, obj);
    }

    v8::Local<v8::Value> isJavaLong = obj->GetHiddenValue(v8::String::New(V8_HIDDEN_MARKER_JAVA_LONG));
    if(!isJavaLong.IsEmpty() && isJavaLong->IsBoolean()) {
      return v8ToJava_javaLong(env, obj);
    }
  }

  // TODO: handle other arg types
  v8::String::AsciiValue typeStr(arg);
  printf("v8ToJava: Unhandled type: %s\n", *typeStr);
  return NULL;
}
Exemplo n.º 25
0
PJsonVal TNodeJsUtil::GetObjJson(const v8::Local<v8::Value>& Val, const bool IgnoreFunc) {
	AssertR(!Val->IsExternal(), "TNodeJsUtil::GetObjJson: Cannot parse v8::External!");

	if (Val->IsObject()) {
		// if we aren't ignoring functions and the object is a function
		// then throw an exception
		EAssertR(IgnoreFunc || !Val->IsFunction(), "TNodeJsUtil::GetObjJson: Cannot parse functions!");

		// parse the object
		if (Val->IsFunction()) {
			return TJsonVal::New();
		}
		else if (Val->IsBooleanObject()) {
			v8::Local<v8::BooleanObject> BoolObj = v8::Local<v8::BooleanObject>::Cast(Val);
			return TJsonVal::NewBool(BoolObj->ValueOf());
		}
		else if (Val->IsNumberObject()) {
			return TJsonVal::NewNum(Val->NumberValue());
		}
		else if (Val->IsStringObject() || Val->IsRegExp() || Val->IsDate()) {
			return TJsonVal::NewStr(TStr(*v8::String::Utf8Value(Val->ToString())));
		}
		else if (Val->IsArray()) {
			PJsonVal JsonArr = TJsonVal::NewArr();

			v8::Array* Arr = v8::Array::Cast(*Val);
			for (uint i = 0; i < Arr->Length(); i++) {
				if (!IgnoreFunc || !Arr->Get(i)->IsFunction()) {
					JsonArr->AddToArr(GetObjJson(Arr->Get(i), IgnoreFunc));
				}
			}

			return JsonArr;
		}
		else {	// general object with fields
			PJsonVal JsonVal = TJsonVal::NewObj();
			v8::Local<v8::Object> Obj = Val->ToObject();

			v8::Local<v8::Array> FldNmV = Obj->GetOwnPropertyNames();
			for (uint i = 0; i < FldNmV->Length(); i++) {
				const TStr FldNm(*v8::String::Utf8Value(FldNmV->Get(i)->ToString()));

				v8::Local<v8::Value> FldVal = Obj->Get(FldNmV->Get(i));

				if (!IgnoreFunc || !FldVal->IsFunction()) {
					JsonVal->AddToObj(FldNm, GetObjJson(FldVal, IgnoreFunc));
				}
			}

			return JsonVal;
		}
	}
	else {	// primitive
		if (Val->IsUndefined()) {
			return TJsonVal::New();
		}
		else if (Val->IsNull()) {
			return TJsonVal::NewNull();
		}
		else if (Val->IsBoolean()) {
			return TJsonVal::NewBool(Val->BooleanValue());
		}
		else if (Val->IsNumber()) {
			return TJsonVal::NewNum(Val->NumberValue());
		}
		else if (Val->IsString()) {
			return TJsonVal::NewStr(TStr(*v8::String::Utf8Value(Val->ToString())));
		}
		else {
			// TODO check for v8::Symbol
			throw TExcept::New("TNodeJsUtil::GetObjJson: Unknown v8::Primitive type!");
		}
	}
}
Exemplo n.º 26
0
inline bool isUndefined(v8::Local<v8::Value> value) {
    Nan::HandleScope scope;
    return value->IsUndefined() || value->IsNull();
}
Exemplo n.º 27
0
// converts js value to java object and recursively converts sub objects if this
// object is a container type
jobject TypeConverter::jsValueToJavaObject(v8::Local<v8::Value> jsValue, bool *isNew)
{
	JNIEnv *env = JNIScope::getEnv();
	if (env == NULL) {
		return NULL;
	}

	if (jsValue->IsNumber()) {
		*isNew = true;
		if (jsValue->IsInt32()) {
			jint javaInt = TypeConverter::jsNumberToJavaInt(jsValue->ToNumber());
			return env->NewObject(JNIUtil::integerClass, JNIUtil::integerInitMethod, javaInt);
		}
		jdouble javaDouble = TypeConverter::jsNumberToJavaDouble(jsValue->ToNumber());
		return env->NewObject(JNIUtil::doubleClass, JNIUtil::doubleInitMethod, javaDouble);

	} else if (jsValue->IsBoolean()) {
		jboolean javaBoolean = TypeConverter::jsBooleanToJavaBoolean(jsValue->ToBoolean());
		*isNew = true;
		return env->NewObject(JNIUtil::booleanClass, JNIUtil::booleanInitMethod, javaBoolean);

	} else if (jsValue->IsString()) {
		*isNew = true;
		return TypeConverter::jsStringToJavaString(jsValue->ToString());

	} else if (jsValue->IsDate()) {
		Local<Date> date = Local<Date>::Cast<Value>(jsValue);
		return TypeConverter::jsDateToJavaDate(date);

	} else if (jsValue->IsArray()) {
		*isNew = true;
		return TypeConverter::jsArrayToJavaArray(v8::Handle<v8::Array>::Cast(jsValue));

	} else if (jsValue->IsFunction()) {
		*isNew = true;
		return TypeConverter::jsObjectToJavaFunction(jsValue->ToObject());

	} else if (jsValue->IsObject()) {
		v8::Handle<v8::Object> jsObject = jsValue->ToObject();

		if (JavaObject::isJavaObject(jsObject)) {
			*isNew = JavaObject::useGlobalRefs ? false : true;
			JavaObject *javaObject = JavaObject::Unwrap<JavaObject>(jsObject);
			return javaObject->getJavaObject();
		} else {
			v8::Handle<v8::Array> objectKeys = jsObject->GetOwnPropertyNames();
			int numKeys = objectKeys->Length();
			*isNew = true;
			jobject javaHashMap = env->NewObject(JNIUtil::hashMapClass, JNIUtil::hashMapInitMethod, numKeys);

			for (int i = 0; i < numKeys; i++) {
				v8::Local<v8::Value> jsObjectPropertyKey = objectKeys->Get((uint32_t) i);
				bool keyIsNew, valueIsNew;
				jobject javaObjectPropertyKey = TypeConverter::jsValueToJavaObject(jsObjectPropertyKey, &keyIsNew);
				v8::Local<v8::Value> jsObjectPropertyValue = jsObject->Get(jsObjectPropertyKey);
				jobject javaObjectPropertyValue = TypeConverter::jsValueToJavaObject(jsObjectPropertyValue, &valueIsNew);

				jobject result = env->CallObjectMethod(javaHashMap,
				                                       JNIUtil::hashMapPutMethod,
				                                       javaObjectPropertyKey,
				                                       javaObjectPropertyValue);
				env->DeleteLocalRef(result);

				if (keyIsNew) {
					env->DeleteLocalRef(javaObjectPropertyKey);
				}
				if (valueIsNew) {
					env->DeleteLocalRef(javaObjectPropertyValue);
				}
			}

			return javaHashMap;
		}
	}

	if (!jsValue->IsNull() && !jsValue->IsUndefined()) {
		LOGW(TAG, "jsValueToJavaObject returning null.");
	}
	return NULL;
}
Exemplo n.º 28
0
result_t util_base::isNullOrUndefined(v8::Local<v8::Value> v, bool& retVal)
{
    retVal = v->IsNull() || v->IsUndefined();
    return 0;
}
Exemplo n.º 29
0
result_t util_base::isNull(v8::Local<v8::Value> v, bool& retVal)
{
    retVal = v->IsNull();
    return 0;
}
Exemplo n.º 30
0
std::unique_ptr<protocol::Value> toProtocolValue(v8::Local<v8::Context> context, v8::Local<v8::Value> value, int maxDepth)
{
    if (value.IsEmpty()) {
        NOTREACHED();
        return nullptr;
    }

    if (!maxDepth)
        return nullptr;
    maxDepth--;

    if (value->IsNull() || value->IsUndefined())
        return protocol::Value::null();
    if (value->IsBoolean())
        return protocol::FundamentalValue::create(value.As<v8::Boolean>()->Value());
    if (value->IsNumber())
        return protocol::FundamentalValue::create(value.As<v8::Number>()->Value());
    if (value->IsString())
        return protocol::StringValue::create(toProtocolString(value.As<v8::String>()));
    if (value->IsArray()) {
        v8::Local<v8::Array> array = value.As<v8::Array>();
        std::unique_ptr<protocol::ListValue> inspectorArray = protocol::ListValue::create();
        uint32_t length = array->Length();
        for (uint32_t i = 0; i < length; i++) {
            v8::Local<v8::Value> value;
            if (!array->Get(context, i).ToLocal(&value))
                return nullptr;
            std::unique_ptr<protocol::Value> element = toProtocolValue(context, value, maxDepth);
            if (!element)
                return nullptr;
            inspectorArray->pushValue(std::move(element));
        }
        return std::move(inspectorArray);
    }
    if (value->IsObject()) {
        std::unique_ptr<protocol::DictionaryValue> jsonObject = protocol::DictionaryValue::create();
        v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(value);
        v8::Local<v8::Array> propertyNames;
        if (!object->GetPropertyNames(context).ToLocal(&propertyNames))
            return nullptr;
        uint32_t length = propertyNames->Length();
        for (uint32_t i = 0; i < length; i++) {
            v8::Local<v8::Value> name;
            if (!propertyNames->Get(context, i).ToLocal(&name))
                return nullptr;
            // FIXME(yurys): v8::Object should support GetOwnPropertyNames
            if (name->IsString()) {
                v8::Maybe<bool> hasRealNamedProperty = object->HasRealNamedProperty(context, v8::Local<v8::String>::Cast(name));
                if (!hasRealNamedProperty.IsJust() || !hasRealNamedProperty.FromJust())
                    continue;
            }
            v8::Local<v8::String> propertyName;
            if (!name->ToString(context).ToLocal(&propertyName))
                continue;
            v8::Local<v8::Value> property;
            if (!object->Get(context, name).ToLocal(&property))
                return nullptr;
            std::unique_ptr<protocol::Value> propertyValue = toProtocolValue(context, property, maxDepth);
            if (!propertyValue)
                return nullptr;
            jsonObject->setValue(toProtocolString(propertyName), std::move(propertyValue));
        }
        return std::move(jsonObject);
    }
    NOTREACHED();
    return nullptr;
}