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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
** $TROLLTECH_DUAL_LICENSE$
**
****************************************************************************/
//
// 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_XsdIdCache_H
#define Patternist_XsdIdCache_H
#include "qschemacomponent_p.h"
#include <QtCore/QExplicitlySharedDataPointer>
#include <QtCore/QReadWriteLock>
#include <QtCore/QSet>
#include <QtCore/QString>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Helper class for keeping track of all existing IDs in a schema.
*
* @ingroup Patternist_schema
* @author Tobias Koenig <tobias.koenig@trolltech.com>
*/
class XsdIdCache : public QSharedData
{
public:
typedef QExplicitlySharedDataPointer<XsdIdCache> Ptr;
/**
* Adds an @p id to the id cache.
*/
void addId(const QString &id);
/**
* Returns whether the id cache contains the given @p id already.
*/
bool hasId(const QString &id) const;
private:
QSet<QString> m_ids;
mutable QReadWriteLock m_lock;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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