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
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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_info = { "ByteArray", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSByteArray) };
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(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
59 JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
61 unsigned index = propertyName.toUInt32(ok);
62 if (ok && thisObject->canAccessIndex(index)) {
63 slot.setValue(thisObject->getIndex(exec, index));
66 return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
69 bool JSByteArray::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
71 JSByteArray* thisObject = jsCast<JSByteArray*>(object);
73 unsigned index = propertyName.toUInt32(ok);
74 if (ok && thisObject->canAccessIndex(index)) {
75 descriptor.setDescriptor(thisObject->getIndex(exec, index), DontDelete);
78 return JSObject::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor);
81 bool JSByteArray::getOwnPropertySlotByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, PropertySlot& slot)
83 JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
84 if (thisObject->canAccessIndex(propertyName)) {
85 slot.setValue(thisObject->getIndex(exec, propertyName));
88 return JSObject::getOwnPropertySlot(thisObject, exec, Identifier::from(exec, propertyName), slot);
91 void JSByteArray::put(JSCell* cell, ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
93 JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
95 unsigned index = propertyName.toUInt32(ok);
97 thisObject->setIndex(exec, index, value);
100 JSObject::put(thisObject, exec, propertyName, value, slot);
103 void JSByteArray::putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue value)
105 jsCast<JSByteArray*>(cell)->setIndex(exec, propertyName, value);
108 void JSByteArray::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
110 JSByteArray* thisObject = jsCast<JSByteArray*>(object);
111 unsigned length = thisObject->m_storage->length();
112 for (unsigned i = 0; i < length; ++i)
113 propertyNames.add(Identifier::from(exec, i));
114 JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);