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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qv4objectiterator_p.h"
#include "qv4object_p.h"
#include "qv4stringobject_p.h"
#include "qv4identifier_p.h"
using namespace QV4;
ObjectIterator::ObjectIterator(Object *o, uint flags)
: object(o)
, current(o)
, arrayNode(0)
, arrayIndex(0)
, memberIndex(0)
, flags(flags)
{
tmpDynamicProperty.value = Value::undefinedValue();
}
Property *ObjectIterator::next(String **name, uint *index, PropertyAttributes *attrs)
{
Property *p = 0;
*name = 0;
*index = UINT_MAX;
while (1) {
if (!current)
break;
while (p = current->advanceIterator(this, name, index, attrs)) {
// check the property is not already defined earlier in the proto chain
if (current != object) {
Property *pp;
if (*name) {
pp = object->__getPropertyDescriptor__(*name);
} else {
assert (*index != UINT_MAX);
pp = object->__getPropertyDescriptor__(*index);
}
if (pp != p)
continue;
}
return p;
}
if (flags & WithProtoChain)
current = current->prototype();
else
current = 0;
arrayIndex = 0;
memberIndex = 0;
}
return 0;
}
Value ObjectIterator::nextPropertyName(Value *value)
{
PropertyAttributes attrs;
uint index;
String *name;
Property *p = next(&name, &index, &attrs);
if (!p)
return Value::nullValue();
if (value)
*value = object->getValue(p, attrs);
if (name)
return Value::fromString(name);
assert(index < UINT_MAX);
return Value::fromDouble(index);
}
Value ObjectIterator::nextPropertyNameAsString(Value *value)
{
PropertyAttributes attrs;
uint index;
String *name;
Property *p = next(&name, &index, &attrs);
if (!p)
return Value::nullValue();
if (value)
*value = object->getValue(p, attrs);
if (name)
return Value::fromString(name);
assert(index < UINT_MAX);
return Value::fromString(object->engine()->newString(QString::number(index)));
}
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