summaryrefslogtreecommitdiffstats
path: root/src/declarative/qml/qdeclarativeintegercache_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/declarative/qml/qdeclarativeintegercache_p.h')
-rw-r--r--src/declarative/qml/qdeclarativeintegercache_p.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativeintegercache_p.h b/src/declarative/qml/qdeclarativeintegercache_p.h
new file mode 100644
index 00000000..148f44e2
--- /dev/null
+++ b/src/declarative/qml/qdeclarativeintegercache_p.h
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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
+