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+/****************************************************************************
+**
+** 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 QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDECLARATIVEINTEGERCACHE_P_H
+#define QDECLARATIVEINTEGERCACHE_P_H
+
+//
+//  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.
+//
+
+#include "private/qdeclarativerefcount_p.h"
+#include "private/qdeclarativecleanup_p.h"
+
+#include <QtCore/qhash.h>
+
+#include <private/qscriptdeclarativeclass_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeType;
+class QDeclarativeEngine;
+class QDeclarativeIntegerCache : public QDeclarativeRefCount, public QDeclarativeCleanup
+{
+public:
+    QDeclarativeIntegerCache(QDeclarativeEngine *);
+    virtual ~QDeclarativeIntegerCache();
+
+    inline int count() const;
+    void add(const QString &, int);
+    int value(const QString &);
+    QString findId(int value) const;
+    inline int value(const QScriptDeclarativeClass::Identifier &id) const;
+
+protected:
+    virtual void clear();
+
+private:
+    struct Data : public QScriptDeclarativeClass::PersistentIdentifier {
+        Data(const QScriptDeclarativeClass::PersistentIdentifier &i, int v) 
+        : QScriptDeclarativeClass::PersistentIdentifier(i), value(v) {}
+
+        int value;
+    };
+
+    typedef QHash<QString, Data *> StringCache;
+    typedef QHash<QScriptDeclarativeClass::Identifier, Data *> IdentifierCache;
+
+    StringCache stringCache;
+    IdentifierCache identifierCache;
+    QDeclarativeEngine *engine;
+};
+
+int QDeclarativeIntegerCache::value(const QScriptDeclarativeClass::Identifier &id) const
+{
+    Data *d = identifierCache.value(id);
+    return d?d->value:-1;
+}
+
+int QDeclarativeIntegerCache::count() const 
+{
+    return stringCache.count();
+}
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVEINTEGERCACHE_P_H
+