qdbusreply.h File Reference

#include <QtCore/qglobal.h>
#include <QtCore/qvariant.h>
#include <QtDBus/qdbusmacros.h>
#include <QtDBus/qdbusmessage.h>
#include <QtDBus/qdbuserror.h>
#include <QtDBus/qdbusextratypes.h>
#include <QtDBus/qdbuspendingreply.h>

Go to the source code of this file.

Classes
class	QDBusReply< T >
	The QDBusReply class stores the reply for a method call to a remote object. More...

Functions
Q_DBUS_EXPORT void	qDBusReplyFill (const QDBusMessage &reply, QDBusError &error, QVariant &data)
	Fills in the QDBusReply data error and data from the reply message reply. More...

Function Documentation

qDBusReplyFill()

Q_DBUS_EXPORT void qDBusReplyFill	(	const QDBusMessage &	reply,
		QDBusError &	error,
		QVariant &	data
	)

Fills in the QDBusReply data error and data from the reply message reply.

Warning

This function is not part of the public interface.

Definition at line 229 of file qdbusreply.cpp.

Referenced by QDBusReply< QStringList >::operator=().

{
    error = reply;

    if (error.isValid()) {
        data = QVariant();      // clear it
        return;
    }

    if (reply.arguments().count() >= 1 && reply.arguments().at(0).userType() == data.userType()) {
        data = reply.arguments().at(0);
        return;
    }

    const char *expectedSignature = QDBusMetaType::typeToSignature(data.userType());
    const char *receivedType = 0;
    QByteArray receivedSignature;

    if (reply.arguments().count() >= 1) {
        if (reply.arguments().at(0).userType() == QDBusMetaTypeId::argument) {
            // compare signatures instead
            QDBusArgument arg = qvariant_cast<QDBusArgument>(reply.arguments().at(0));
            receivedSignature = arg.currentSignature().toLatin1();
            if (receivedSignature == expectedSignature) {
                // matched. Demarshall it
                QDBusMetaType::demarshall(arg, data.userType(), data.data());
                return;
            }
        } else {
            // not an argument and doesn't match?
            int type = reply.arguments().at(0).userType();
            receivedType = QVariant::typeToName(QVariant::Type(type));
            receivedSignature = QDBusMetaType::typeToSignature(type);
        }
    }

    // error
    if (receivedSignature.isEmpty())
        receivedSignature = "no signature";
    QString errorMsg;
    if (receivedType) {
        errorMsg = QString::fromLatin1("Unexpected reply signature: got \"%1\" (%4), "
                                         "expected \"%2\" (%3)")
                   .arg(QLatin1String(receivedSignature),
                        QLatin1String(expectedSignature),
                        QLatin1String(data.typeName()),
                        QLatin1String(receivedType));
    } else {
        errorMsg = QString::fromLatin1("Unexpected reply signature: got \"%1\", "
                                         "expected \"%2\" (%3)")
                   .arg(QLatin1String(receivedSignature),
                        QLatin1String(expectedSignature),
                        QLatin1String(data.typeName()));
    }

    error = QDBusError(QDBusError::InvalidSignature, errorMsg);
    data = QVariant();      // clear it
}