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/****************************************************************************
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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** This file is part of the QtTest module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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****************************************************************************/
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#include <QtTest/private/qsignaldumper_p.h>
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#include <QtCore/qlist.h>
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#include <QtCore/qmetaobject.h>
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#include <QtCore/qmetatype.h>
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#include <QtCore/qobject.h>
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#include <QtCore/qvariant.h>
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#include <QtTest/private/qtestlog_p.h>
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#include <QtCore/private/qmetaobject_p.h>
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inline static void qPrintMessage(const QByteArray &ba)
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QTestLog::info(ba.constData(), 0, 0);
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Q_GLOBAL_STATIC(QList<QByteArray>, ignoreClasses)
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static int iLevel = 0;
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static int ignoreLevel = 0;
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enum { IndentSpacesCount = 4 };
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static void qSignalDumperCallback(QObject *caller, int signal_index, void **argv)
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Q_ASSERT(caller); Q_ASSERT(argv); Q_UNUSED(argv);
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const QMetaObject *mo = caller->metaObject();
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QMetaMethod member = QMetaObjectPrivate::signal(mo, signal_index);
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Q_ASSERT(member.isValid());
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if (QTest::ignoreClasses() && QTest::ignoreClasses()->contains(mo->className())) {
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str.fill(' ', QTest::iLevel++ * QTest::IndentSpacesCount);
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str += mo->className();
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QString objname = caller->objectName();
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str += objname.toLocal8Bit();
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if (!objname.isEmpty())
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str += QByteArray::number(quintptr(caller), 16);
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QList<QByteArray> args = member.parameterTypes();
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for (int i = 0; i < args.count(); ++i) {
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const QByteArray &arg = args.at(i);
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int typeId = QMetaType::type(args.at(i).constData());
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if (arg.endsWith('*') || arg.endsWith('&')) {
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if (arg.endsWith('&'))
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quintptr addr = quintptr(*reinterpret_cast<void **>(argv[i + 1]));
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str.append(QByteArray::number(addr, 16));
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} else if (typeId != QMetaType::UnknownType) {
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Q_ASSERT(typeId != QMetaType::Void); // void parameter => metaobject is corrupt
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.append(QVariant(typeId, argv[i + 1]).toString().toLocal8Bit())
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if (str.endsWith(", "))
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static void qSignalDumperCallbackSlot(QObject *caller, int method_index, void **argv)
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Q_ASSERT(caller); Q_ASSERT(argv); Q_UNUSED(argv);
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const QMetaObject *mo = caller->metaObject();
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QMetaMethod member = mo->method(method_index);
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if (!member.isValid())
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if (QTest::ignoreLevel ||
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(QTest::ignoreClasses() && QTest::ignoreClasses()->contains(mo->className())))
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str.fill(' ', QTest::iLevel * QTest::IndentSpacesCount);
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str += mo->className();
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QString objname = caller->objectName();
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str += objname.toLocal8Bit();
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if (!objname.isEmpty())
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str += QByteArray::number(quintptr(caller), 16);
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str += member.methodSignature();
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static void qSignalDumperCallbackEndSignal(QObject *caller, int /*signal_index*/)
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Q_ASSERT(caller); Q_ASSERT(caller->metaObject());
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if (QTest::ignoreClasses()
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&& QTest::ignoreClasses()->contains(caller->metaObject()->className())) {
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--QTest::ignoreLevel;
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Q_ASSERT(QTest::ignoreLevel >= 0);
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Q_ASSERT(QTest::iLevel >= 0);
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void QSignalDumper::startDump()
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static QSignalSpyCallbackSet set = { QTest::qSignalDumperCallback,
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QTest::qSignalDumperCallbackSlot, QTest::qSignalDumperCallbackEndSignal, 0 };
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qt_register_signal_spy_callbacks(set);
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void QSignalDumper::endDump()
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static QSignalSpyCallbackSet nset = { 0, 0, 0 ,0 };
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qt_register_signal_spy_callbacks(nset);
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void QSignalDumper::ignoreClass(const QByteArray &klass)
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if (QTest::ignoreClasses())
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QTest::ignoreClasses()->append(klass);
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void QSignalDumper::clearIgnoredClasses()
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if (QTest::ignoreClasses())
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QTest::ignoreClasses()->clear();