QDBusDemarshaller Class Reference

#include <qdbusargument_p.h>

Inheritance diagram for QDBusDemarshaller:

Public Functions
bool	atEnd ()
QDBusDemarshaller *	beginArray ()
QDBusDemarshaller *	beginCommon ()
QDBusDemarshaller *	beginMap ()
QDBusDemarshaller *	beginMapEntry ()
QDBusDemarshaller *	beginStructure ()
void	close ()
QString	currentSignature ()
QDBusArgument::ElementType	currentType ()
QDBusArgument	duplicate ()
QDBusDemarshaller *	endArray ()
QDBusDemarshaller *	endCommon ()
QDBusDemarshaller *	endMap ()
QDBusDemarshaller *	endMapEntry ()
QDBusDemarshaller *	endStructure ()
bool	isCurrentTypeStringLike ()
	QDBusDemarshaller (int flags)
bool	toBool ()
uchar	toByte ()
QByteArray	toByteArray ()
double	toDouble ()
int	toInt ()
qlonglong	toLongLong ()
QDBusObjectPath	toObjectPath ()
short	toShort ()
QDBusSignature	toSignature ()
QString	toString ()
QStringList	toStringList ()
uint	toUInt ()
qulonglong	toULongLong ()
QDBusUnixFileDescriptor	toUnixFileDescriptor ()
ushort	toUShort ()
QDBusVariant	toVariant ()
QVariant	toVariantInternal ()
	~QDBusDemarshaller ()
Public Functions inherited from QDBusArgumentPrivate
QDBusDemarshaller *	demarshaller ()
QDBusMarshaller *	marshaller ()
	QDBusArgumentPrivate (int flags=0)
	~QDBusArgumentPrivate ()

Public Variables
DBusMessageIter	iterator
QDBusDemarshaller *	parent
Public Variables inherited from QDBusArgumentPrivate
int	capabilities
enum QDBusArgumentPrivate::Direction	direction
DBusMessage *	message
QAtomicInt	ref

Private Functions
QByteArray	toByteArrayUnchecked ()
QDBusObjectPath	toObjectPathUnchecked ()
QDBusSignature	toSignatureUnchecked ()
QStringList	toStringListUnchecked ()
QString	toStringUnchecked ()

Additional Inherited Members
Public Types inherited from QDBusArgumentPrivate
enum	Direction { Marshalling, Demarshalling }
Static Public Functions inherited from QDBusArgumentPrivate
static bool	checkRead (QDBusArgumentPrivate *d)
static bool	checkReadAndDetach (QDBusArgumentPrivate *&d)
static bool	checkWrite (QDBusArgumentPrivate *&d)
static QDBusArgument	create (QDBusArgumentPrivate *d)
static QByteArray	createSignature (int id)
static QDBusArgumentPrivate *	d (QDBusArgument &q)

Detailed Description

Definition at line 161 of file qdbusargument_p.h.

Constructors and Destructors

QDBusDemarshaller()

QDBusDemarshaller::QDBusDemarshaller ( int  flags )

inline

Definition at line 164 of file qdbusargument_p.h.

Referenced by beginCommon(), and duplicate().

                                        : QDBusArgumentPrivate(flags), parent(0)
    { direction = Demarshalling; }

~QDBusDemarshaller()

QDBusDemarshaller::~QDBusDemarshaller

(

)

Definition at line 75 of file qdbusdemarshaller.cpp.

{
}

Functions

atEnd()

bool QDBusDemarshaller::atEnd

(

)

Definition at line 362 of file qdbusdemarshaller.cpp.

Referenced by QDBusMarshaller::appendCrossMarshalling(), QDBusArgument::atEnd(), QDBusMessagePrivate::fromDBusMessage(), and toStringListUnchecked().

{
    // dbus_message_iter_has_next is broken if the list has one single element
    return q_dbus_message_iter_get_arg_type(&iterator) == DBUS_TYPE_INVALID;
}

beginArray()

QDBusDemarshaller * QDBusDemarshaller::beginArray ( )

inline

Definition at line 373 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::beginArray().

{
    return beginCommon();
}

beginCommon()

QDBusDemarshaller * QDBusDemarshaller::beginCommon

(

)

Definition at line 388 of file qdbusdemarshaller.cpp.

Referenced by QDBusMarshaller::appendCrossMarshalling(), beginArray(), beginMap(), beginMapEntry(), and beginStructure().

{
    QDBusDemarshaller *d = new QDBusDemarshaller(capabilities);
    d->parent = this;
    d->message = q_dbus_message_ref(message);

    // recurse
    q_dbus_message_iter_recurse(&iterator, &d->iterator);
    q_dbus_message_iter_next(&iterator);
    return d;
}

beginMap()

QDBusDemarshaller * QDBusDemarshaller::beginMap ( )

inline

Definition at line 378 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::beginMap().

{
    return beginCommon();
}

beginMapEntry()

QDBusDemarshaller * QDBusDemarshaller::beginMapEntry ( )

inline

Definition at line 383 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::beginMapEntry().

{
    return beginCommon();
}

beginStructure()

QDBusDemarshaller * QDBusDemarshaller::beginStructure ( )

inline

Definition at line 368 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::beginStructure().

{
    return beginCommon();
}

close()

void QDBusDemarshaller::close ( )

inline

Definition at line 198 of file qdbusargument_p.h.

{ }

currentSignature()

QString QDBusDemarshaller::currentSignature ( )

inline

Definition at line 79 of file qdbusdemarshaller.cpp.

Referenced by QDBusMarshaller::appendCrossMarshalling(), and QDBusArgument::currentSignature().

{
    char *sig = q_dbus_message_iter_get_signature(&iterator);
    QString retval = QString::fromUtf8(sig);
    q_dbus_free(sig);

    return retval;
}

currentType()

QDBusArgument::ElementType QDBusDemarshaller::currentType

(

)

Definition at line 189 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::currentType().

{
    switch (q_dbus_message_iter_get_arg_type(&iterator)) {
    case DBUS_TYPE_BYTE:
    case DBUS_TYPE_INT16:
    case DBUS_TYPE_UINT16:
    case DBUS_TYPE_INT32:
    case DBUS_TYPE_UINT32:
    case DBUS_TYPE_INT64:
    case DBUS_TYPE_UINT64:
    case DBUS_TYPE_BOOLEAN:
    case DBUS_TYPE_DOUBLE:
    case DBUS_TYPE_STRING:
    case DBUS_TYPE_OBJECT_PATH:
    case DBUS_TYPE_SIGNATURE:
        return QDBusArgument::BasicType;

    case DBUS_TYPE_VARIANT:
        return QDBusArgument::VariantType;

    case DBUS_TYPE_ARRAY:
        switch (q_dbus_message_iter_get_element_type(&iterator)) {
        case DBUS_TYPE_BYTE:
        case DBUS_TYPE_STRING:
            // QByteArray and QStringList
            return QDBusArgument::BasicType;
        case DBUS_TYPE_DICT_ENTRY:
            return QDBusArgument::MapType;
        default:
            return QDBusArgument::ArrayType;
        }

    case DBUS_TYPE_STRUCT:
        return QDBusArgument::StructureType;
    case DBUS_TYPE_DICT_ENTRY:
        return QDBusArgument::MapEntryType;

    case DBUS_TYPE_UNIX_FD:
        return capabilities & QDBusConnection::UnixFileDescriptorPassing ?
                    QDBusArgument::BasicType : QDBusArgument::UnknownType;

    case DBUS_TYPE_INVALID:
        return QDBusArgument::UnknownType;

//    default:
//        qWarning("QDBusDemarshaller: Found unknown D-Bus type %d '%c'",
//                 q_dbus_message_iter_get_arg_type(&iterator),
//                 q_dbus_message_iter_get_arg_type(&iterator));
    }
    return QDBusArgument::UnknownType;
}

duplicate()

QDBusArgument QDBusDemarshaller::duplicate

(

)

Definition at line 427 of file qdbusdemarshaller.cpp.

Referenced by toVariantInternal().

{
    QDBusDemarshaller *d = new QDBusDemarshaller(capabilities);
    d->iterator = iterator;
    d->message = q_dbus_message_ref(message);

    q_dbus_message_iter_next(&iterator);
    return QDBusArgumentPrivate::create(d);
}

endArray()

QDBusDemarshaller * QDBusDemarshaller::endArray ( )

inline

Definition at line 405 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::endArray().

{
    return endCommon();
}

endCommon()

QDBusDemarshaller * QDBusDemarshaller::endCommon

(

)

Definition at line 420 of file qdbusdemarshaller.cpp.

Referenced by endArray(), endMap(), endMapEntry(), and endStructure().

{
    QDBusDemarshaller *retval = parent;
    delete this;
    return retval;
}

endMap()

QDBusDemarshaller * QDBusDemarshaller::endMap ( )

inline

Definition at line 410 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::endMap().

{
    return endCommon();
}

endMapEntry()

QDBusDemarshaller * QDBusDemarshaller::endMapEntry ( )

inline

Definition at line 415 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::endMapEntry().

{
    return endCommon();
}

endStructure()

QDBusDemarshaller * QDBusDemarshaller::endStructure ( )

inline

Definition at line 400 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::endStructure().

{
    return endCommon();
}

isCurrentTypeStringLike()

bool QDBusDemarshaller::isCurrentTypeStringLike

(

)

Definition at line 307 of file qdbusdemarshaller.cpp.

Referenced by toObjectPath(), toSignature(), and toString().

{
    const int type = q_dbus_message_iter_get_arg_type(&iterator);
    switch (type) {
    case DBUS_TYPE_STRING:  //FALLTHROUGH
    case DBUS_TYPE_OBJECT_PATH:  //FALLTHROUGH
    case DBUS_TYPE_SIGNATURE:
        return true;
    default:
        return false;
    }
}

toBool()

bool QDBusDemarshaller::toBool ( )

inline

Definition at line 93 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return bool(qIterGet<dbus_bool_t>(&iterator));
}

toByte()

uchar QDBusDemarshaller::toByte ( )

inline

Definition at line 88 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return qIterGet<uchar>(&iterator);
}

toByteArray()

QByteArray QDBusDemarshaller::toByteArray

(

)

Definition at line 353 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>().

{
    if (q_dbus_message_iter_get_arg_type(&iterator) == DBUS_TYPE_ARRAY
            && q_dbus_message_iter_get_element_type(&iterator) == DBUS_TYPE_BYTE) {
        return toByteArrayUnchecked();
    }
    return QByteArray();
}

toByteArrayUnchecked()

QByteArray QDBusDemarshaller::toByteArrayUnchecked ( )

private

Definition at line 342 of file qdbusdemarshaller.cpp.

Referenced by toByteArray(), and toVariantInternal().

{
    DBusMessageIter sub;
    q_dbus_message_iter_recurse(&iterator, &sub);
    q_dbus_message_iter_next(&iterator);
    int len;
    char* data;
    q_dbus_message_iter_get_fixed_array(&sub,&data,&len);
    return QByteArray(data,len);
}

toDouble()

double QDBusDemarshaller::toDouble ( )

inline

Definition at line 128 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return qIterGet<double>(&iterator);
}

toInt()

int QDBusDemarshaller::toInt ( )

inline

Definition at line 108 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return qIterGet<dbus_int32_t>(&iterator);
}

toLongLong()

qlonglong QDBusDemarshaller::toLongLong ( )

inline

Definition at line 118 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return qIterGet<qlonglong>(&iterator);
}

toObjectPath()

QDBusObjectPath QDBusDemarshaller::toObjectPath ( )

inline

Definition at line 151 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>().

{
    if (isCurrentTypeStringLike())
        return toObjectPathUnchecked();
    else
        return QDBusObjectPath();
}

toObjectPathUnchecked()

QDBusObjectPath QDBusDemarshaller::toObjectPathUnchecked ( )

inlineprivate

Definition at line 146 of file qdbusdemarshaller.cpp.

Referenced by toObjectPath(), and toVariantInternal().

 {
     return QDBusObjectPath(QString::fromUtf8(qIterGet<char *>(&iterator)));
 }

toShort()

short QDBusDemarshaller::toShort ( )

inline

Definition at line 103 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return qIterGet<dbus_int16_t>(&iterator);
}

toSignature()

QDBusSignature QDBusDemarshaller::toSignature ( )

inline

Definition at line 164 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>().

{
    if (isCurrentTypeStringLike())
        return toSignatureUnchecked();
    else
        return QDBusSignature();
}

toSignatureUnchecked()

QDBusSignature QDBusDemarshaller::toSignatureUnchecked ( )

inlineprivate

Definition at line 159 of file qdbusdemarshaller.cpp.

Referenced by toSignature(), and toVariantInternal().

 {
     return QDBusSignature(QString::fromUtf8(qIterGet<char *>(&iterator)));
 }

toString()

QString QDBusDemarshaller::toString ( )

inline

Definition at line 138 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>().

{
    if (isCurrentTypeStringLike())
        return toStringUnchecked();
    else
        return QString();
}

toStringList()

QStringList QDBusDemarshaller::toStringList

(

)

Definition at line 333 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>().

{
    if (q_dbus_message_iter_get_arg_type(&iterator) == DBUS_TYPE_ARRAY
            && q_dbus_message_iter_get_element_type(&iterator) == DBUS_TYPE_STRING)
        return toStringListUnchecked();
    else
        return QStringList();
}

toStringListUnchecked()

QStringList QDBusDemarshaller::toStringListUnchecked ( )

private

Definition at line 320 of file qdbusdemarshaller.cpp.

Referenced by toStringList(), and toVariantInternal().

{
    QStringList list;

    QDBusDemarshaller sub(capabilities);
    q_dbus_message_iter_recurse(&iterator, &sub.iterator);
    q_dbus_message_iter_next(&iterator);
    while (!sub.atEnd())
        list.append(sub.toStringUnchecked());

    return list;
}

toStringUnchecked()

QString QDBusDemarshaller::toStringUnchecked ( )

inlineprivate

Definition at line 133 of file qdbusdemarshaller.cpp.

Referenced by toString(), toStringListUnchecked(), and toVariantInternal().

{
    return QString::fromUtf8(qIterGet<char *>(&iterator));
}

toUInt()

uint QDBusDemarshaller::toUInt ( )

inline

Definition at line 113 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return qIterGet<dbus_uint32_t>(&iterator);
}

toULongLong()

qulonglong QDBusDemarshaller::toULongLong ( )

inline

Definition at line 123 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return qIterGet<qulonglong>(&iterator);
}

toUnixFileDescriptor()

QDBusUnixFileDescriptor QDBusDemarshaller::toUnixFileDescriptor ( )

inline

Definition at line 172 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    QDBusUnixFileDescriptor fd;
    fd.giveFileDescriptor(qIterGet<dbus_int32_t>(&iterator));
    return fd;
}

toUShort()

ushort QDBusDemarshaller::toUShort ( )

inline

Definition at line 98 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    return qIterGet<dbus_uint16_t>(&iterator);
}

toVariant()

QDBusVariant QDBusDemarshaller::toVariant ( )

inline

Definition at line 179 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::operator>>(), and toVariantInternal().

{
    QDBusDemarshaller sub(capabilities);
    sub.message = q_dbus_message_ref(message);
    q_dbus_message_iter_recurse(&iterator, &sub.iterator);
    q_dbus_message_iter_next(&iterator);

    return QDBusVariant( sub.toVariantInternal() );
}

toVariantInternal()

QVariant QDBusDemarshaller::toVariantInternal

(

)

Definition at line 241 of file qdbusdemarshaller.cpp.

Referenced by QDBusArgument::asVariant(), QDBusMessagePrivate::fromDBusMessage(), and toVariant().

{
    switch (q_dbus_message_iter_get_arg_type(&iterator)) {
    case DBUS_TYPE_BYTE:
        return QVariant::fromValue(toByte());
    case DBUS_TYPE_INT16:
    return QVariant::fromValue(toShort());
    case DBUS_TYPE_UINT16:
    return QVariant::fromValue(toUShort());
    case DBUS_TYPE_INT32:
        return toInt();
    case DBUS_TYPE_UINT32:
        return toUInt();
    case DBUS_TYPE_DOUBLE:
        return toDouble();
    case DBUS_TYPE_BOOLEAN:
        return toBool();
    case DBUS_TYPE_INT64:
        return toLongLong();
    case DBUS_TYPE_UINT64:
        return toULongLong();
    case DBUS_TYPE_STRING:
        return toStringUnchecked();
    case DBUS_TYPE_OBJECT_PATH:
        return QVariant::fromValue(toObjectPathUnchecked());
    case DBUS_TYPE_SIGNATURE:
        return QVariant::fromValue(toSignatureUnchecked());
    case DBUS_TYPE_VARIANT:
        return QVariant::fromValue(toVariant());

    case DBUS_TYPE_ARRAY:
        switch (q_dbus_message_iter_get_element_type(&iterator)) {
        case DBUS_TYPE_BYTE:
            // QByteArray
            return toByteArrayUnchecked();
        case DBUS_TYPE_STRING:
            return toStringListUnchecked();
        case DBUS_TYPE_DICT_ENTRY:
            return QVariant::fromValue(duplicate());

        default:
            return QVariant::fromValue(duplicate());
        }

    case DBUS_TYPE_STRUCT:
        return QVariant::fromValue(duplicate());

    case DBUS_TYPE_UNIX_FD:
        if (capabilities & QDBusConnection::UnixFileDescriptorPassing)
            return qVariantFromValue(toUnixFileDescriptor());
        // fall through

    default:
//        qWarning("QDBusDemarshaller: Found unknown D-Bus type %d '%c'",
//                 q_dbus_message_iter_get_arg_type(&iterator),
//                 q_dbus_message_iter_get_arg_type(&iterator));
        char *ptr = 0;
        ptr += q_dbus_message_iter_get_arg_type(&iterator);
        q_dbus_message_iter_next(&iterator);

        // I hope you never dereference this pointer!
        return QVariant::fromValue<void *>(ptr);
        break;
    };
}

Properties

iterator

DBusMessageIter QDBusDemarshaller::iterator

Definition at line 207 of file qdbusargument_p.h.

Referenced by QDBusMarshaller::appendCrossMarshalling(), QDBusMarshaller::appendVariantInternal(), atEnd(), beginCommon(), QDBusArgumentPrivate::checkReadAndDetach(), currentSignature(), currentType(), duplicate(), QDBusMessagePrivate::fromDBusMessage(), isCurrentTypeStringLike(), toBool(), toByte(), toByteArray(), toByteArrayUnchecked(), toDouble(), toInt(), toLongLong(), toObjectPathUnchecked(), toShort(), toSignatureUnchecked(), toStringList(), toStringListUnchecked(), toStringUnchecked(), toUInt(), toULongLong(), toUnixFileDescriptor(), toUShort(), toVariant(), and toVariantInternal().

parent

QDBusDemarshaller* QDBusDemarshaller::parent

Definition at line 208 of file qdbusargument_p.h.

Referenced by beginCommon(), and endCommon().

---

The documentation for this class was generated from the following files:

• /src/dbus/qdbusargument_p.h
• /src/dbus/qdbusdemarshaller.cpp