2 * Copyright (C) 2009 Apple Inc. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include "JSByteArray.h"
29 #include "JSGlobalObject.h"
30 #include "PropertyNameArray.h"
36 const ClassInfo JSByteArray::s_defaultInfo = { "ByteArray", &Base::s_info, 0, 0 };
38 JSByteArray::JSByteArray(ExecState* exec, Structure* structure, ByteArray* storage)
39 : JSNonFinalObject(exec->globalData(), structure)
45 JSByteArray::~JSByteArray()
47 ASSERT(vptr() == JSGlobalData::jsByteArrayVPtr);
52 Structure* JSByteArray::createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype, const JSC::ClassInfo* classInfo)
54 return Structure::create(globalData, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), classInfo);
57 bool JSByteArray::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
60 unsigned index = propertyName.toUInt32(ok);
61 if (ok && canAccessIndex(index)) {
62 slot.setValue(getIndex(exec, index));
65 return JSObject::getOwnPropertySlot(exec, propertyName, slot);
68 bool JSByteArray::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
71 unsigned index = propertyName.toUInt32(ok);
72 if (ok && canAccessIndex(index)) {
73 descriptor.setDescriptor(getIndex(exec, index), DontDelete);
76 return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);
79 bool JSByteArray::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)
81 if (canAccessIndex(propertyName)) {
82 slot.setValue(getIndex(exec, propertyName));
85 return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot);
88 void JSByteArray::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
91 unsigned index = propertyName.toUInt32(ok);
93 setIndex(exec, index, value);
96 JSObject::put(exec, propertyName, value, slot);
99 void JSByteArray::put(ExecState* exec, unsigned propertyName, JSValue value)
101 setIndex(exec, propertyName, value);
104 void JSByteArray::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
106 unsigned length = m_storage->length();
107 for (unsigned i = 0; i < length; ++i)
108 propertyNames.add(Identifier::from(exec, i));
109 JSObject::getOwnPropertyNames(exec, propertyNames, mode);