/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.

#ifndef Patternist_GenericSequenceType_H
#define Patternist_GenericSequenceType_H

#include <private/qcommonsequencetypes_p.h>
#include <private/qsequencetype_p.h>

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @todo Documentation is missing.
     *
     * @ingroup Patternist_types
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class GenericSequenceType : public SequenceType
    {
    public:
        GenericSequenceType(const ItemType::Ptr &itemType, const Cardinality &card);

        /**
         * Generates a name for the sequence type for display purposes. The
         * prefix used for the QName identifying the schema type is conventional.
         * An example of a display name for a GenericSequenceType is "xs:integer?".
         */
        virtual QString displayName(const NamePool::Ptr &np) const;

        virtual Cardinality cardinality() const;

        virtual ItemType::Ptr itemType() const;

    private:
        const ItemType::Ptr m_itemType;
        const Cardinality m_cardinality;
    };

    /**
     * @short An object generator for GenericSequenceType.
     *
     * makeGenericSequenceType() is a convenience function for avoiding invoking
     * the @c new operator, and wrapping the result in GenericSequenceType::Ptr.
     *
     * @returns a smart pointer to to a GenericSequenceType instaniated from @p itemType and @p cardinality.
     * @relates GenericSequenceType
     */
    static inline SequenceType::Ptr
    makeGenericSequenceType(const ItemType::Ptr &itemType, const Cardinality &cardinality)
    {
        /* An empty sequence of say integers, is the empty-sequence(). */
        if(cardinality.isEmpty())
            return CommonSequenceTypes::Empty;
        else
            return SequenceType::Ptr(new GenericSequenceType(itemType, cardinality));
    }
}

QT_END_NAMESPACE

#endif
