Long live Qt!

1 files changed, 212 insertions, 0 deletions

diff --git a/src/testlib/qsignaldumper.cpp b/src/testlib/qsignaldumper.cpp
new file mode 100644
index 0000000..0a32a6d
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+++ b/src/testlib/qsignaldumper.cpp
@@ -0,0 +1,212 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtTest 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "QtTest/private/qsignaldumper_p.h"
+
+#include <QtCore/qlist.h>
+#include <QtCore/qmetaobject.h>
+#include <QtCore/qmetatype.h>
+#include <QtCore/qobject.h>
+#include <QtCore/qvariant.h>
+
+#include "QtTest/private/qtestlog_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QTest
+{
+
+inline static void qPrintMessage(const QByteArray &ba)
+{
+    QTestLog::info(ba.constData(), 0, 0);
+}
+
+Q_GLOBAL_STATIC(QList<QByteArray>, ignoreClasses)
+static int iLevel = 0;
+static int ignoreLevel = 0;
+enum { IndentSpacesCount = 4 };
+
+static QByteArray memberName(const QMetaMethod &member)
+{
+    QByteArray ba = member.signature();
+    return ba.left(ba.indexOf('('));
+}
+
+static void qSignalDumperCallback(QObject *caller, int method_index, void **argv)
+{
+    Q_ASSERT(caller); Q_ASSERT(argv); Q_UNUSED(argv);
+    const QMetaObject *mo = caller->metaObject();
+    Q_ASSERT(mo);
+    QMetaMethod member = mo->method(method_index);
+    Q_ASSERT(member.signature());
+
+    if (QTest::ignoreClasses() && QTest::ignoreClasses()->contains(mo->className())) {
+        ++QTest::ignoreLevel;
+        return;
+    }
+
+    QByteArray str;
+    str.fill(' ', QTest::iLevel++ * QTest::IndentSpacesCount);
+    str += "Signal: ";
+    str += mo->className();
+    str += "(";
+
+    QString objname = caller->objectName();
+    str += objname.toLocal8Bit();
+    if (!objname.isEmpty())
+        str += ' ';
+    str += QByteArray::number(quintptr(caller), 16);
+
+    str += ") ";
+    str += QTest::memberName(member);
+    str += " (";
+
+    QList<QByteArray> args = member.parameterTypes();
+    for (int i = 0; i < args.count(); ++i) {
+        const QByteArray &arg = args.at(i);
+        int typeId = QMetaType::type(args.at(i).constData());
+        if (arg.endsWith('*') || arg.endsWith('&')) {
+            str += '(';
+            str += arg;
+            str += ')';
+            if (arg.endsWith('&'))
+                str += '@';
+
+            quintptr addr = quintptr(*reinterpret_cast<void **>(argv[i + 1]));
+            str.append(QByteArray::number(addr, 16));
+        } else if (typeId != QMetaType::Void) {
+            str.append(arg)
+                .append("(")
+                .append(QVariant(typeId, argv[i + 1]).toString().toLocal8Bit())
+                .append(")");
+        }
+        str.append(", ");
+    }
+    if (str.endsWith(", "))
+        str.chop(2);
+    str.append(")");
+    qPrintMessage(str);
+}
+
+static void qSignalDumperCallbackSlot(QObject *caller, int method_index, void **argv)
+{
+    Q_ASSERT(caller); Q_ASSERT(argv); Q_UNUSED(argv);
+    const QMetaObject *mo = caller->metaObject();
+    Q_ASSERT(mo);
+    QMetaMethod member = mo->method(method_index);
+    if (!member.signature())
+        return;
+
+    if (QTest::ignoreLevel ||
+            (QTest::ignoreClasses() && QTest::ignoreClasses()->contains(mo->className())))
+        return;
+
+    QByteArray str;
+    str.fill(' ', QTest::iLevel * QTest::IndentSpacesCount);
+    str += "Slot: ";
+    str += mo->className();
+    str += "(";
+
+    QString objname = caller->objectName();
+    str += objname.toLocal8Bit();
+    if (!objname.isEmpty())
+        str += ' ';
+    str += QByteArray::number(quintptr(caller), 16);
+
+    str += ") ";
+    str += member.signature();
+    qPrintMessage(str);
+}
+
+static void qSignalDumperCallbackEndSignal(QObject *caller, int /*method_index*/)
+{
+    Q_ASSERT(caller); Q_ASSERT(caller->metaObject());
+    if (QTest::ignoreClasses()
+            && QTest::ignoreClasses()->contains(caller->metaObject()->className())) {
+        --QTest::ignoreLevel;
+        Q_ASSERT(QTest::ignoreLevel >= 0);
+        return;
+    }
+    --QTest::iLevel;
+    Q_ASSERT(QTest::iLevel >= 0);
+}
+
+}
+
+// this struct is copied from qobject_p.h to prevent us
+// from including private Qt headers.
+struct QSignalSpyCallbackSet
+{
+    typedef void (*BeginCallback)(QObject *caller, int method_index, void **argv);
+    typedef void (*EndCallback)(QObject *caller, int method_index);
+    BeginCallback signal_begin_callback,
+                  slot_begin_callback;
+    EndCallback signal_end_callback,
+                slot_end_callback;
+};
+extern void Q_CORE_EXPORT qt_register_signal_spy_callbacks(const QSignalSpyCallbackSet &);
+
+void QSignalDumper::startDump()
+{
+    static QSignalSpyCallbackSet set = { QTest::qSignalDumperCallback,
+        QTest::qSignalDumperCallbackSlot, QTest::qSignalDumperCallbackEndSignal, 0 };
+    qt_register_signal_spy_callbacks(set);
+}
+
+void QSignalDumper::endDump()
+{
+    static QSignalSpyCallbackSet nset = { 0, 0, 0 ,0 };
+    qt_register_signal_spy_callbacks(nset);
+}
+
+void QSignalDumper::ignoreClass(const QByteArray &klass)
+{
+    if (QTest::ignoreClasses())
+        QTest::ignoreClasses()->append(klass);
+}
+
+void QSignalDumper::clearIgnoredClasses()
+{
+    if (QTest::ignoreClasses())
+        QTest::ignoreClasses()->clear();
+}
+
+QT_END_NAMESPACE