/****************************************************************************
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL21$
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** accordance with the commercial license agreement provided with the
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//
//  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
