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path: root/src/xmlpatterns/functions/qaggregator.cpp
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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qbuiltintypes_p.h"
#include "qgenericsequencetype_p.h"

#include "qaggregator_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

SequenceType::Ptr Aggregator::staticType() const
{
    const SequenceType::Ptr t(m_operands.first()->staticType());
    ItemType::Ptr itemType(t->itemType());

    /* Since we have types that are derived from xs:integer, this ensures that
     * the static type is xs:integer even if the argument is for
     * instance xs:unsignedShort. */
    if(BuiltinTypes::xsInteger->xdtTypeMatches(itemType) &&
       !itemType->xdtTypeMatches(BuiltinTypes::xsInteger))
    {
        itemType = BuiltinTypes::xsInteger;
    }

    return makeGenericSequenceType(itemType,
                                   t->cardinality().toWithoutMany());
}

QT_END_NAMESPACE