X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/b5422865f473faf3977f31b96a635c4c8c4ede09..9dae56ea45a0f5f8136a5c93d6f3a7f99399ca73:/runtime/JSByteArray.cpp?ds=inline diff --git a/runtime/JSByteArray.cpp b/runtime/JSByteArray.cpp new file mode 100644 index 0000000..54cf7cb --- /dev/null +++ b/runtime/JSByteArray.cpp @@ -0,0 +1,97 @@ +/* + * 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_defaultInfo = { "ByteArray", 0, 0, 0 }; + +JSByteArray::JSByteArray(ExecState* exec, PassRefPtr structure, ByteArray* storage, const JSC::ClassInfo* classInfo) + : JSObject(structure) + , m_storage(storage) + , m_classInfo(classInfo) +{ + putDirect(exec->globalData().propertyNames->length, jsNumber(exec, m_storage->length()), ReadOnly | DontDelete); +} + +PassRefPtr JSByteArray::createStructure(JSValuePtr prototype) +{ + PassRefPtr result = Structure::create(prototype, TypeInfo(ObjectType)); + return result; +} + +bool JSByteArray::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) +{ + bool ok; + unsigned index = propertyName.toUInt32(&ok, false); + if (ok && canAccessIndex(index)) { + slot.setValue(getIndex(exec, index)); + return true; + } + return JSObject::getOwnPropertySlot(exec, propertyName, slot); +} + +bool JSByteArray::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot) +{ + if (canAccessIndex(propertyName)) { + slot.setValue(getIndex(exec, propertyName)); + return true; + } + return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot); +} + +void JSByteArray::put(ExecState* exec, const Identifier& propertyName, JSValuePtr value, PutPropertySlot& slot) +{ + bool ok; + unsigned index = propertyName.toUInt32(&ok, false); + if (ok) { + setIndex(exec, index, value); + return; + } + JSObject::put(exec, propertyName, value, slot); +} + +void JSByteArray::put(ExecState* exec, unsigned propertyName, JSValuePtr value) +{ + setIndex(exec, propertyName, value); +} + +void JSByteArray::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames) +{ + unsigned length = m_storage->length(); + for (unsigned i = 0; i < length; ++i) + propertyNames.add(Identifier::from(exec, i)); + JSObject::getPropertyNames(exec, propertyNames); +} + +} +