C++ (Cpp) q_dbus_message_iter_open_container Exemples

Exemple #1

Fichier : qdbusmarshaller.cpp Projet : FilipBE/qtextended

void QDBusMarshaller::open(QDBusMarshaller &sub, int code, const char *signature)
{
    sub.parent = this;
    sub.ba = ba;
    sub.ok = true;

    if (ba)
        switch (code) {
        case DBUS_TYPE_ARRAY:
            *ba += char(code);
            *ba += signature;
            // fall through

        case DBUS_TYPE_DICT_ENTRY:
            sub.closeCode = 0;
            break;

        case DBUS_TYPE_STRUCT:
            *ba += DBUS_STRUCT_BEGIN_CHAR;
            sub.closeCode = DBUS_STRUCT_END_CHAR;
            break;
        }
    else
        q_dbus_message_iter_open_container(&iterator, code, signature, &sub.iterator);
}

Exemple #2

void QDBusMarshaller::open(QDBusMarshaller &sub, int code, const char *signature)
{
    sub.parent = this;
    sub.ba = ba;
    sub.ok = true;
    sub.capabilities = capabilities;
    sub.skipSignature = skipSignature;

    if (ba) {
        if (!skipSignature) {
            switch (code) {
            case DBUS_TYPE_ARRAY:
                *ba += char(code);
                *ba += signature;
                Q_FALLTHROUGH();

            case DBUS_TYPE_DICT_ENTRY:
                sub.closeCode = 0;
                sub.skipSignature = true;
                break;

            case DBUS_TYPE_STRUCT:
                *ba += DBUS_STRUCT_BEGIN_CHAR;
                sub.closeCode = DBUS_STRUCT_END_CHAR;
                break;
            }
        }
    } else {
        q_dbus_message_iter_open_container(&iterator, code, signature, &sub.iterator);
    }
}

Exemple #3

bool QDBusMarshaller::appendCrossMarshalling(QDBusDemarshaller *demarshaller)
{
    int code = q_dbus_message_iter_get_arg_type(&demarshaller->iterator);
    if (QDBusUtil::isValidBasicType(code)) {
        // easy: just append
        // do exactly like the D-BUS docs suggest
        // (see apidocs for q_dbus_message_iter_get_basic)

        qlonglong value;
        q_dbus_message_iter_get_basic(&demarshaller->iterator, &value);
        q_dbus_message_iter_next(&demarshaller->iterator);
        q_dbus_message_iter_append_basic(&iterator, code, &value);
        return true;
    }

    if (code == DBUS_TYPE_ARRAY) {
        int element = q_dbus_message_iter_get_element_type(&demarshaller->iterator);
        if (QDBusUtil::isValidFixedType(element) && element != DBUS_TYPE_UNIX_FD) {
            // another optimization: fixed size arrays
            // code is exactly like QDBusDemarshaller::toByteArray
            DBusMessageIter sub;
            q_dbus_message_iter_recurse(&demarshaller->iterator, &sub);
            q_dbus_message_iter_next(&demarshaller->iterator);
            int len;
            void* data;
            q_dbus_message_iter_get_fixed_array(&sub,&data,&len);

            char signature[2] = { char(element), 0 };
            q_dbus_message_iter_open_container(&iterator, DBUS_TYPE_ARRAY, signature, &sub);
            q_dbus_message_iter_append_fixed_array(&sub, element, &data, len);
            q_dbus_message_iter_close_container(&iterator, &sub);

            return true;
        }
    }

    // We have to recurse
    QDBusDemarshaller *drecursed = demarshaller->beginCommon();

    QDBusMarshaller mrecursed(capabilities);  // create on the stack makes it autoclose
    QByteArray subSignature;
    const char *sig = 0;
    if (code == DBUS_TYPE_VARIANT || code == DBUS_TYPE_ARRAY) {
        subSignature = drecursed->currentSignature().toLatin1();
        if (!subSignature.isEmpty())
            sig = subSignature.constData();
    }
    open(mrecursed, code, sig);

    while (!drecursed->atEnd()) {
        if (!mrecursed.appendCrossMarshalling(drecursed)) {
            delete drecursed;
            return false;
        }
    }

    delete drecursed;
    return true;
}

Exemple #4

Fichier : qdbusmarshaller.cpp Projet : FilipBE/qtextended

inline void QDBusMarshaller::append(const QByteArray &arg)
{
    if (ba) {
        *ba += DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_BYTE_AS_STRING;
        return;
    }

    const char* cdata = arg.constData();
    DBusMessageIter subiterator;
    q_dbus_message_iter_open_container(&iterator, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE_AS_STRING,
                                     &subiterator);
    q_dbus_message_iter_append_fixed_array(&subiterator, DBUS_TYPE_BYTE, &cdata, arg.length());
    q_dbus_message_iter_close_container(&iterator, &subiterator);
}