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/****************************************************************************
**
** Copyright (C) 2018 Crimson AS <info@crimson.no>
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/qv4iterator_p.h>
#include <private/qv4estable_p.h>
#include <private/qv4mapiterator_p.h>
#include <private/qv4mapobject_p.h>
#include <private/qv4symbol_p.h>
using namespace QV4;
DEFINE_OBJECT_VTABLE(MapIteratorObject);
void MapIteratorPrototype::init(ExecutionEngine *e)
{
defineDefaultProperty(QStringLiteral("next"), method_next, 0);
Scope scope(e);
ScopedString val(scope, e->newString(QLatin1String("Map Iterator")));
defineReadonlyConfigurableProperty(e->symbol_toStringTag(), val);
}
ReturnedValue MapIteratorPrototype::method_next(const FunctionObject *b, const Value *that, const Value *, int)
{
Scope scope(b);
const MapIteratorObject *thisObject = that->as<MapIteratorObject>();
if (!thisObject)
return scope.engine->throwTypeError(QLatin1String("Not a Map Iterator instance"));
Scoped<MapObject> s(scope, thisObject->d()->iteratedMap);
uint index = thisObject->d()->mapNextIndex;
IteratorKind itemKind = thisObject->d()->iterationKind;
if (!s) {
QV4::Value undefined = Value::undefinedValue();
return IteratorPrototype::createIterResultObject(scope.engine, undefined, true);
}
Value *arguments = scope.alloc(2);
while (index < s->d()->esTable->size()) {
s->d()->esTable->iterate(index, &arguments[0], &arguments[1]);
thisObject->d()->mapNextIndex = index + 1;
ScopedValue result(scope);
if (itemKind == KeyIteratorKind) {
result = arguments[0];
} else if (itemKind == ValueIteratorKind) {
result = arguments[1];
} else {
Q_ASSERT(itemKind == KeyValueIteratorKind);
result = scope.engine->newArrayObject();
Scoped<ArrayObject> resultArray(scope, result);
resultArray->arrayReserve(2);
resultArray->arrayPut(0, arguments[0]);
resultArray->arrayPut(1, arguments[1]);
resultArray->setArrayLengthUnchecked(2);
}
return IteratorPrototype::createIterResultObject(scope.engine, result, false);
}
thisObject->d()->iteratedMap.set(scope.engine, nullptr);
QV4::Value undefined = Value::undefinedValue();
return IteratorPrototype::createIterResultObject(scope.engine, undefined, true);
}
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