/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtXmlPatterns module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia 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. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
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** $QT_END_LICENSE$ | |
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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_EBVType_H | |
#define Patternist_EBVType_H | |
#include "qatomictype_p.h" | |
#include "qsequencetype_p.h" | |
QT_BEGIN_HEADER | |
QT_BEGIN_NAMESPACE | |
namespace QPatternist | |
{ | |
/** | |
* @short Represents the type for which a value of can an Effective %Boolean Value | |
* be extracted from. | |
* | |
* EBVType is an artificial type. It is not available to users of any host language | |
* or is specified in any specification. It is used for implementing static type | |
* checking for expressions such as IfThenClause and AndExpression. | |
* | |
* @ingroup Patternist_types | |
* @author Frans Englich <frans.englich@nokia.com> | |
*/ | |
class EBVType : public ItemType, | |
public SequenceType | |
{ | |
public: | |
typedef QExplicitlySharedDataPointer<EBVType> Ptr; | |
/** | |
* @todo docs if it's an ebvable type, etc. | |
*/ | |
virtual bool itemMatches(const Item &item) const; | |
virtual bool xdtTypeMatches(const ItemType::Ptr &other) const; | |
virtual QString displayName(const NamePool::Ptr &np) const; | |
/** | |
* @note The semantical meaning of this type's item type can | |
* surely be discussed. The function is provided due to | |
* it being mandated by the SequenceType base class. | |
* | |
* @returns always 'this' since EBVType is also an ItemType | |
*/ | |
virtual ItemType::Ptr itemType() const; | |
/** | |
* @note The semantical meaning of this type's cardinality | |
* can surely be discussed. The function is provided due to | |
* it being mandated by the SequenceType base class. | |
* | |
* @returns always Cardinality::zeroOrMore() | |
*/ | |
virtual Cardinality cardinality() const; | |
virtual bool isAtomicType() const; | |
/** | |
* @returns always @c null | |
*/ | |
virtual ItemType::Ptr atomizedType() const; | |
/** | |
* @returns always BuiltinTypes::item | |
*/ | |
virtual ItemType::Ptr xdtSuperType() const; | |
/** | |
* @returns always @c false | |
*/ | |
virtual bool isNodeType() const; | |
protected: | |
friend class CommonSequenceTypes; | |
EBVType(); | |
}; | |
} | |
QT_END_NAMESPACE | |
QT_END_HEADER | |
#endif |