Create a property cache for synthesized metaobjects

1 files changed, 100 insertions, 0 deletions

diff --git a/src/declarative/qml/qmlpropertycache_p.h b/src/declarative/qml/qmlpropertycache_p.h
new file mode 100644
index 0000000..c10fafa
--- /dev/null
+++ b/src/declarative/qml/qmlpropertycache_p.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMLPROPERTYCACHE_P_H
+#define QMLPROPERTYCACHE_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/qmlrefcount_p.h>
+#include <private/qscriptdeclarativeclass_p.h>
+#include <QtCore/qvector.h>
+
+QT_BEGIN_NAMESPACE
+
+class QmlEngine;
+class QMetaProperty;
+class QmlPropertyCache : public QmlRefCount
+{
+public:
+    QmlPropertyCache();
+    virtual ~QmlPropertyCache();
+
+    struct Data : public QmlRefCount {
+        Data() : isFunction(false) {}
+
+        bool isFunction;
+        int propType;
+        int coreIndex;
+        QString name;
+    };
+
+    static QmlPropertyCache *create(QmlEngine *, const QMetaObject *);
+
+    Data *property(const QScriptDeclarativeClass::Identifier &id) const { 
+        return identifierCache.value(id);
+    }
+
+    Data *property(const QString &) const;
+    Data *property(int) const;
+
+private:
+    typedef QVector<QScriptDeclarativeClass::PersistentIdentifier<Data> *> IndexCache;
+    typedef QHash<QString, QScriptDeclarativeClass::PersistentIdentifier<Data> *> StringCache;
+    typedef QHash<QScriptDeclarativeClass::Identifier, QScriptDeclarativeClass::PersistentIdentifier<Data> *> IdentifierCache;
+
+    IndexCache indexCache;
+    StringCache stringCache;
+    IdentifierCache identifierCache;
+};
+
+QT_END_NAMESPACE
+
+#endif // QMLPROPERTYCACHE_P_H