--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/dbus/qdbusmisc.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,197 @@
+/****************************************************************************
+**
+** 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 QtDBus 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <string.h>
+
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qvariant.h>
+#include <QtCore/qmetaobject.h>
+
+#include "qdbusutil_p.h"
+#include "qdbusconnection_p.h"
+#include "qdbusmetatype_p.h"
+#include "qdbusabstractadaptor_p.h" // for QCLASSINFO_DBUS_*
+
+QT_BEGIN_NAMESPACE
+
+bool qDBusCheckAsyncTag(const char *tag)
+{
+ static const char noReplyTag[] = "Q_NOREPLY";
+ if (!tag || !*tag)
+ return false;
+
+ const char *p = strstr(tag, noReplyTag);
+ if (p != NULL &&
+ (p == tag || *(p-1) == ' ') &&
+ (p[sizeof noReplyTag - 1] == '\0' || p[sizeof noReplyTag - 1] == ' '))
+ return true;
+
+ return false;
+}
+
+int qDBusNameToTypeId(const char *name)
+{
+ int id = static_cast<int>( QVariant::nameToType(name) );
+ if (id == QVariant::UserType)
+ id = QMetaType::type(name);
+ return id;
+}
+
+QString qDBusInterfaceFromMetaObject(const QMetaObject *mo)
+{
+ QString interface;
+
+ int idx = mo->indexOfClassInfo(QCLASSINFO_DBUS_INTERFACE);
+ if (idx >= mo->classInfoOffset()) {
+ interface = QLatin1String(mo->classInfo(idx).value());
+ } else {
+ interface = QLatin1String(mo->className());
+ interface.replace(QLatin1String("::"), QLatin1String("."));
+
+ if (interface.startsWith(QLatin1String("QDBus"))) {
+ interface.prepend(QLatin1String("com.trolltech.QtDBus."));
+ } else if (interface.startsWith(QLatin1Char('Q')) &&
+ interface.length() >= 2 && interface.at(1).isUpper()) {
+ // assume it's Qt
+ interface.prepend(QLatin1String("com.trolltech.Qt."));
+ } else if (!QCoreApplication::instance()||
+ QCoreApplication::instance()->applicationName().isEmpty()) {
+ interface.prepend(QLatin1String("local."));
+ } else {
+ interface.prepend(QLatin1Char('.')).prepend(QCoreApplication::instance()->applicationName());
+ QStringList domainName =
+ QCoreApplication::instance()->organizationDomain().split(QLatin1Char('.'),
+ QString::SkipEmptyParts);
+ if (domainName.isEmpty())
+ interface.prepend(QLatin1String("local."));
+ else
+ for (int i = 0; i < domainName.count(); ++i)
+ interface.prepend(QLatin1Char('.')).prepend(domainName.at(i));
+ }
+ }
+
+ return interface;
+}
+
+bool qDBusInterfaceInObject(QObject *obj, const QString &interface_name)
+{
+ const QMetaObject *mo = obj->metaObject();
+ for ( ; mo != &QObject::staticMetaObject; mo = mo->superClass())
+ if (interface_name == qDBusInterfaceFromMetaObject(mo))
+ return true;
+ return false;
+}
+
+// calculates the metatypes for the method
+// the slot must have the parameters in the following form:
+// - zero or more value or const-ref parameters of any kind
+// - zero or one const ref of QDBusMessage
+// - zero or more non-const ref parameters
+// No parameter may be a template.
+// this function returns -1 if the parameters don't match the above form
+// this function returns the number of *input* parameters, including the QDBusMessage one if any
+// this function does not check the return type, so metaTypes[0] is always 0 and always present
+// metaTypes.count() >= retval + 1 in all cases
+//
+// sig must be the normalised signature for the method
+int qDBusParametersForMethod(const QMetaMethod &mm, QList<int>& metaTypes)
+{
+ QDBusMetaTypeId::init();
+
+ QList<QByteArray> parameterTypes = mm.parameterTypes();
+ metaTypes.clear();
+
+ metaTypes.append(0); // return type
+ int inputCount = 0;
+ bool seenMessage = false;
+ QList<QByteArray>::ConstIterator it = parameterTypes.constBegin();
+ QList<QByteArray>::ConstIterator end = parameterTypes.constEnd();
+ for ( ; it != end; ++it) {
+ const QByteArray &type = *it;
+ if (type.endsWith('*')) {
+ //qWarning("Could not parse the method '%s'", mm.signature());
+ // pointer?
+ return -1;
+ }
+
+ if (type.endsWith('&')) {
+ QByteArray basictype = type;
+ basictype.truncate(type.length() - 1);
+
+ int id = qDBusNameToTypeId(basictype);
+ if (id == 0) {
+ //qWarning("Could not parse the method '%s'", mm.signature());
+ // invalid type in method parameter list
+ return -1;
+ } else if (QDBusMetaType::typeToSignature(id) == 0)
+ return -1;
+
+ metaTypes.append( id );
+ seenMessage = true; // it cannot appear anymore anyways
+ continue;
+ }
+
+ if (seenMessage) { // && !type.endsWith('&')
+ //qWarning("Could not parse the method '%s'", mm.signature());
+ // non-output parameters after message or after output params
+ return -1; // not allowed
+ }
+
+ int id = qDBusNameToTypeId(type);
+ if (id == 0) {
+ //qWarning("Could not parse the method '%s'", mm.signature());
+ // invalid type in method parameter list
+ return -1;
+ }
+
+ if (id == QDBusMetaTypeId::message)
+ seenMessage = true;
+ else if (QDBusMetaType::typeToSignature(id) == 0)
+ return -1;
+
+ metaTypes.append(id);
+ ++inputCount;
+ }
+
+ return inputCount;
+}
+
+QT_END_NAMESPACE