/* * Copyright (C) 2009 Apple Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "JSByteArray.h" #include "JSGlobalObject.h" #include "PropertyNameArray.h" using namespace WTF; namespace JSC { const ClassInfo JSByteArray::s_info = { "ByteArray", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSByteArray) }; JSByteArray::JSByteArray(ExecState* exec, Structure* structure, ByteArray* storage) : JSNonFinalObject(exec->globalData(), structure) , m_storage(storage) { } JSByteArray::~JSByteArray() { ASSERT(jsCast(this)); } void JSByteArray::destroy(JSCell* cell) { jsCast(cell)->JSByteArray::~JSByteArray(); } Structure* JSByteArray::createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype, const JSC::ClassInfo* classInfo) { return Structure::create(globalData, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), classInfo); } bool JSByteArray::getOwnPropertySlot(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot) { JSByteArray* thisObject = jsCast(cell); bool ok; unsigned index = propertyName.toUInt32(ok); if (ok && thisObject->canAccessIndex(index)) { slot.setValue(thisObject->getIndex(exec, index)); return true; } return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot); } bool JSByteArray::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) { JSByteArray* thisObject = jsCast(object); bool ok; unsigned index = propertyName.toUInt32(ok); if (ok && thisObject->canAccessIndex(index)) { descriptor.setDescriptor(thisObject->getIndex(exec, index), DontDelete); return true; } return JSObject::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor); } bool JSByteArray::getOwnPropertySlotByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, PropertySlot& slot) { JSByteArray* thisObject = jsCast(cell); if (thisObject->canAccessIndex(propertyName)) { slot.setValue(thisObject->getIndex(exec, propertyName)); return true; } return JSObject::getOwnPropertySlot(thisObject, exec, Identifier::from(exec, propertyName), slot); } void JSByteArray::put(JSCell* cell, ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) { JSByteArray* thisObject = jsCast(cell); bool ok; unsigned index = propertyName.toUInt32(ok); if (ok) { thisObject->setIndex(exec, index, value); return; } JSObject::put(thisObject, exec, propertyName, value, slot); } void JSByteArray::putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue value) { jsCast(cell)->setIndex(exec, propertyName, value); } void JSByteArray::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) { JSByteArray* thisObject = jsCast(object); unsigned length = thisObject->m_storage->length(); for (unsigned i = 0; i < length; ++i) propertyNames.add(Identifier::from(exec, i)); JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode); } }