1635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project/* 2635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * Copyright (C) 2009 Apple Inc. All Rights Reserved. 3635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * 4635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * Redistribution and use in source and binary forms, with or without 5635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * modification, are permitted provided that the following conditions 6635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * are met: 7635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 8635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * notice, this list of conditions and the following disclaimer. 9635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 10635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 11635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * documentation and/or other materials provided with the distribution. 12635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * 13635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project */ 25635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 26635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "config.h" 27635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "JSByteArray.h" 28635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 29635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "JSGlobalObject.h" 30635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "PropertyNameArray.h" 31635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 32635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectusing namespace WTF; 33635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 34635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectnamespace JSC { 35635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 3681bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdochconst ClassInfo JSByteArray::s_defaultInfo = { "ByteArray", &Base::s_info, 0, 0 }; 37635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 382daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben MurdochJSByteArray::JSByteArray(ExecState* exec, Structure* structure, ByteArray* storage) 392daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben Murdoch : JSNonFinalObject(exec->globalData(), structure) 40635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project , m_storage(storage) 41635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 422fc2651226baac27029e38c9d6ef883fa32084dbSteve Block putDirect(exec->globalData(), exec->globalData().propertyNames->length, jsNumber(m_storage->length()), ReadOnly | DontDelete); 43635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 44d0825bca7fe65beaee391d30da42e937db621564Steve Block 45d0825bca7fe65beaee391d30da42e937db621564Steve Block#if !ASSERT_DISABLED 46d0825bca7fe65beaee391d30da42e937db621564Steve BlockJSByteArray::~JSByteArray() 47d0825bca7fe65beaee391d30da42e937db621564Steve Block{ 48d0825bca7fe65beaee391d30da42e937db621564Steve Block ASSERT(vptr() == JSGlobalData::jsByteArrayVPtr); 49d0825bca7fe65beaee391d30da42e937db621564Steve Block} 50d0825bca7fe65beaee391d30da42e937db621564Steve Block#endif 51d0825bca7fe65beaee391d30da42e937db621564Steve Block 52d0825bca7fe65beaee391d30da42e937db621564Steve Block 532daae5fd11344eaa88a0d92b0f6d65f8d2255c00Ben MurdochStructure* JSByteArray::createStructure(JSGlobalData& globalData, JSValue prototype, const JSC::ClassInfo* classInfo) 54635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 552bde8e466a4451c7319e3a072d118917957d6554Steve Block return Structure::create(globalData, prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, classInfo); 56635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 57635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 58635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectbool JSByteArray::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) 59635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 60635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project bool ok; 61f486d19d62f1bc33246748b14b14a9dfa617b57fIain Merrick unsigned index = propertyName.toUInt32(ok); 62635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project if (ok && canAccessIndex(index)) { 63635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project slot.setValue(getIndex(exec, index)); 64635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project return true; 65635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project } 66635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project return JSObject::getOwnPropertySlot(exec, propertyName, slot); 67635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 68231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 69231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Blockbool JSByteArray::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) 70231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block{ 71231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block bool ok; 72f486d19d62f1bc33246748b14b14a9dfa617b57fIain Merrick unsigned index = propertyName.toUInt32(ok); 73231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block if (ok && canAccessIndex(index)) { 74231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block descriptor.setDescriptor(getIndex(exec, index), DontDelete); 75231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block return true; 76231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block } 77231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor); 78231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block} 79231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block 80635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectbool JSByteArray::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot) 81635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 82635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project if (canAccessIndex(propertyName)) { 83635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project slot.setValue(getIndex(exec, propertyName)); 84635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project return true; 85635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project } 86635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot); 87635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 88635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 895f1ab04193ad0130ca8204aadaceae083aca9881Feng Qianvoid JSByteArray::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) 90635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 91635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project bool ok; 92f486d19d62f1bc33246748b14b14a9dfa617b57fIain Merrick unsigned index = propertyName.toUInt32(ok); 93635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project if (ok) { 94635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project setIndex(exec, index, value); 95635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project return; 96635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project } 97635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project JSObject::put(exec, propertyName, value, slot); 98635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 99635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 1005f1ab04193ad0130ca8204aadaceae083aca9881Feng Qianvoid JSByteArray::put(ExecState* exec, unsigned propertyName, JSValue value) 101635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 102635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project setIndex(exec, propertyName, value); 103635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 104635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 105d0825bca7fe65beaee391d30da42e937db621564Steve Blockvoid JSByteArray::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) 106635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 107635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project unsigned length = m_storage->length(); 108635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project for (unsigned i = 0; i < length; ++i) 109635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project propertyNames.add(Identifier::from(exec, i)); 110d0825bca7fe65beaee391d30da42e937db621564Steve Block JSObject::getOwnPropertyNames(exec, propertyNames, mode); 111635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 112635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 113635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 114635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 115