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-rw-r--r--src/qml/compiler/qqmlpropertyresolver.cpp92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/qml/compiler/qqmlpropertyresolver.cpp b/src/qml/compiler/qqmlpropertyresolver.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qqmlpropertyresolver_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QQmlPropertyData *QQmlPropertyResolver::property(const QString &name, bool *notInRevision,
+ RevisionCheck check) const
+{
+ if (notInRevision) *notInRevision = false;
+
+ QQmlPropertyData *d = cache->property(name, nullptr, nullptr);
+
+ // Find the first property
+ while (d && d->isFunction())
+ d = cache->overrideData(d);
+
+ if (check != IgnoreRevision && d && !cache->isAllowedInRevision(d)) {
+ if (notInRevision) *notInRevision = true;
+ return nullptr;
+ } else {
+ return d;
+ }
+}
+
+
+QQmlPropertyData *QQmlPropertyResolver::signal(const QString &name, bool *notInRevision) const
+{
+ if (notInRevision) *notInRevision = false;
+
+ QQmlPropertyData *d = cache->property(name, nullptr, nullptr);
+ if (notInRevision) *notInRevision = false;
+
+ while (d && !(d->isFunction()))
+ d = cache->overrideData(d);
+
+ if (d && !cache->isAllowedInRevision(d)) {
+ if (notInRevision) *notInRevision = true;
+ return nullptr;
+ } else if (d && d->isSignal()) {
+ return d;
+ }
+
+ if (name.endsWith(QLatin1String("Changed"))) {
+ QString propName = name.mid(0, name.length() - static_cast<int>(strlen("Changed")));
+
+ d = property(propName, notInRevision);
+ if (d)
+ return cache->signal(d->notifyIndex());
+ }
+
+ return nullptr;
+}
+
+QT_END_NAMESPACE