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Diffstat (limited to 'src/declarative/qml/qmlintegercache_p.h')
-rw-r--r-- | src/declarative/qml/qmlintegercache_p.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/declarative/qml/qmlintegercache_p.h b/src/declarative/qml/qmlintegercache_p.h new file mode 100644 index 0000000..d9df52a --- /dev/null +++ b/src/declarative/qml/qmlintegercache_p.h @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2009 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 QMLINTEGERCACHE_P_H +#define QMLINTEGERCACHE_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 "qmlrefcount_p.h" +#include "qmlcleanup_p.h" + +#include <QtCore/qhash.h> + +#include <private/qscriptdeclarativeclass_p.h> + +QT_BEGIN_NAMESPACE + +class QmlType; +class QmlEngine; +class QmlIntegerCache : public QmlRefCount, public QmlCleanup +{ +public: + QmlIntegerCache(QmlEngine *); + virtual ~QmlIntegerCache(); + + inline int count() const; + void add(const QString &, int); + int value(const QString &); + 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; + QmlEngine *engine; +}; + +int QmlIntegerCache::value(const QScriptDeclarativeClass::Identifier &id) const +{ + Data *d = identifierCache.value(id); + return d?d->value:-1; +} + +int QmlIntegerCache::count() const +{ + return stringCache.count(); +} + +QT_END_NAMESPACE + +#endif // QMLINTEGERCACHE_P_H + |