diff -r 000000000000 -r 4f2f89ce4247 WebCore/bridge/runtime_array.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/bridge/runtime_array.cpp Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,166 @@ +/* + * Copyright (C) 2003, 2008 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 COMPUTER, 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 COMPUTER, 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 "runtime_array.h" + +#include +#include +#include +#include "JSDOMBinding.h" + +using namespace WebCore; + +namespace JSC { + +const ClassInfo RuntimeArray::s_info = { "RuntimeArray", &JSArray::info, 0, 0 }; + +RuntimeArray::RuntimeArray(ExecState* exec, Bindings::Array* array) + // FIXME: deprecatedGetDOMStructure uses the prototype off of the wrong global object + // We need to pass in the right global object for "array". + : JSArray(deprecatedGetDOMStructure(exec)) +{ + setSubclassData(array); +} + +RuntimeArray::~RuntimeArray() +{ + delete getConcreteArray(); +} + +JSValue RuntimeArray::lengthGetter(ExecState* exec, JSValue slotBase, const Identifier&) +{ + RuntimeArray* thisObj = static_cast(asObject(slotBase)); + return jsNumber(exec, thisObj->getLength()); +} + +JSValue RuntimeArray::indexGetter(ExecState* exec, JSValue slotBase, unsigned index) +{ + RuntimeArray* thisObj = static_cast(asObject(slotBase)); + return thisObj->getConcreteArray()->valueAt(exec, index); +} + +void RuntimeArray::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) +{ + unsigned length = getLength(); + for (unsigned i = 0; i < length; ++i) + propertyNames.add(Identifier::from(exec, i)); + + if (mode == IncludeDontEnumProperties) + propertyNames.add(exec->propertyNames().length); + + JSObject::getOwnPropertyNames(exec, propertyNames, mode); +} + +bool RuntimeArray::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) +{ + if (propertyName == exec->propertyNames().length) { + slot.setCacheableCustom(this, lengthGetter); + return true; + } + + bool ok; + unsigned index = propertyName.toArrayIndex(&ok); + if (ok) { + if (index < getLength()) { + slot.setCustomIndex(this, index, indexGetter); + return true; + } + } + + return JSObject::getOwnPropertySlot(exec, propertyName, slot); +} + +bool RuntimeArray::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) +{ + if (propertyName == exec->propertyNames().length) { + PropertySlot slot; + slot.setCustom(this, lengthGetter); + descriptor.setDescriptor(slot.getValue(exec, propertyName), ReadOnly | DontDelete | DontEnum); + return true; + } + + bool ok; + unsigned index = propertyName.toArrayIndex(&ok); + if (ok) { + if (index < getLength()) { + PropertySlot slot; + slot.setCustomIndex(this, index, indexGetter); + descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete | DontEnum); + return true; + } + } + + return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor); +} + +bool RuntimeArray::getOwnPropertySlot(ExecState *exec, unsigned index, PropertySlot& slot) +{ + if (index < getLength()) { + slot.setCustomIndex(this, index, indexGetter); + return true; + } + + return JSObject::getOwnPropertySlot(exec, index, slot); +} + +void RuntimeArray::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) +{ + if (propertyName == exec->propertyNames().length) { + throwError(exec, createRangeError(exec, "Range error")); + return; + } + + bool ok; + unsigned index = propertyName.toArrayIndex(&ok); + if (ok) { + getConcreteArray()->setValueAt(exec, index, value); + return; + } + + JSObject::put(exec, propertyName, value, slot); +} + +void RuntimeArray::put(ExecState* exec, unsigned index, JSValue value) +{ + if (index >= getLength()) { + throwError(exec, createRangeError(exec, "Range error")); + return; + } + + getConcreteArray()->setValueAt(exec, index, value); +} + +bool RuntimeArray::deleteProperty(ExecState*, const Identifier&) +{ + return false; +} + +bool RuntimeArray::deleteProperty(ExecState*, unsigned) +{ + return false; +} + +}