void tst_qqmllistreference::canCount() { TestType *tt = new TestType; { QQmlListReference ref; QVERIFY(ref.canCount() == false); } { QQmlListReference ref(tt, "blah"); QVERIFY(ref.canCount() == false); } { QQmlListReference ref(tt, "data"); QVERIFY(ref.canCount() == true); delete tt; QVERIFY(ref.canCount() == false); } { TestType tt; tt.property.count = 0; QQmlListReference ref(&tt, "data"); QVERIFY(ref.canCount() == false); } }
void tst_qqmllistreference::qmllistreference_invalid() { TestType tt; // Invalid { QQmlListReference r; QVERIFY(r.isValid() == false); QVERIFY(r.object() == 0); QVERIFY(r.listElementType() == 0); QVERIFY(r.canAt() == false); QVERIFY(r.canClear() == false); QVERIFY(r.canCount() == false); QVERIFY(r.append(0) == false); QVERIFY(r.at(10) == 0); QVERIFY(r.clear() == false); QVERIFY(r.count() == 0); QVERIFY(r.isReadable() == false); QVERIFY(r.isManipulable() == false); } // Non-property { QQmlListReference r(&tt, "blah"); QVERIFY(r.isValid() == false); QVERIFY(r.object() == 0); QVERIFY(r.listElementType() == 0); QVERIFY(r.canAt() == false); QVERIFY(r.canClear() == false); QVERIFY(r.canCount() == false); QVERIFY(r.append(0) == false); QVERIFY(r.at(10) == 0); QVERIFY(r.clear() == false); QVERIFY(r.count() == 0); QVERIFY(r.isReadable() == false); QVERIFY(r.isManipulable() == false); } // Non-list property { QQmlListReference r(&tt, "intProperty"); QVERIFY(r.isValid() == false); QVERIFY(r.object() == 0); QVERIFY(r.listElementType() == 0); QVERIFY(r.canAt() == false); QVERIFY(r.canClear() == false); QVERIFY(r.canCount() == false); QVERIFY(r.append(0) == false); QVERIFY(r.at(10) == 0); QVERIFY(r.clear() == false); QVERIFY(r.count() == 0); QVERIFY(r.isReadable() == false); QVERIFY(r.isManipulable() == false); } }
void packDataValue(QVariant_ *var, DataValue *value) { QVariant *qvar = reinterpret_cast<QVariant *>(var); // Some assumptions are made below regarding the size of types. // There's apparently no better way to handle this since that's // how the types with well defined sizes (qint64) are mapped to // meta-types (QMetaType::LongLong). switch ((int)qvar->type()) { case QVariant::Invalid: value->dataType = DTInvalid; break; case QMetaType::QUrl: *qvar = qvar->value<QUrl>().toString(); // fallthrough case QMetaType::QString: { value->dataType = DTString; QByteArray ba = qvar->toByteArray(); *(char**)(value->data) = local_strdup(ba.constData()); value->len = ba.size(); break; } case QMetaType::Bool: value->dataType = DTBool; *(qint8*)(value->data) = (qint8)qvar->toInt(); break; case QMetaType::LongLong: // Some of these entries will have to be fixed when handling platforms // where sizeof(long long) != 8 or sizeof(int) != 4. value->dataType = DTInt64; *(qint64*)(value->data) = qvar->toLongLong(); break; case QMetaType::ULongLong: value->dataType = DTUint64; *(quint64*)(value->data) = qvar->toLongLong(); break; case QMetaType::Int: value->dataType = DTInt32; *(qint32*)(value->data) = qvar->toInt(); break; case QMetaType::UInt: value->dataType = DTUint32; *(quint32*)(value->data) = qvar->toUInt(); break; case QMetaType::VoidStar: value->dataType = DTUintptr; *(uintptr_t*)(value->data) = (uintptr_t)qvar->value<void *>(); break; case QMetaType::Double: value->dataType = DTFloat64; *(double*)(value->data) = qvar->toDouble(); break; case QMetaType::Float: value->dataType = DTFloat32; *(float*)(value->data) = qvar->toFloat(); break; case QMetaType::QColor: value->dataType = DTColor; *(unsigned int*)(value->data) = qvar->value<QColor>().rgba(); break; case QMetaType::QVariantList: { QVariantList varlist = qvar->toList(); int len = varlist.size(); DataValue *dvlist = (DataValue *) malloc(sizeof(DataValue) * len); for (int i = 0; i < len; i++) { packDataValue((void*)&varlist.at(i), &dvlist[i]); } value->dataType = DTValueList; value->len = len; *(DataValue**)(value->data) = dvlist; } break; case QMetaType::QVariantMap: { QVariantMap varmap = qvar->toMap(); int len = varmap.size() * 2; DataValue *dvlist = (DataValue *) malloc(sizeof(DataValue) * len); QMapIterator<QString, QVariant> it(varmap); for (int i = 0; i < len; i += 2) { if (!it.hasNext()) { panicf("QVariantMap mutated during iteration"); } it.next(); QVariant key = it.key(); QVariant val = it.value(); packDataValue((void*)&key, &dvlist[i]); packDataValue((void*)&val, &dvlist[i+1]); } value->dataType = DTValueMap; value->len = len; *(DataValue**)(value->data) = dvlist; } break; default: if (qvar->type() == (int)QMetaType::QObjectStar || qvar->canConvert<QObject *>()) { QObject *qobject = qvar->value<QObject *>(); GoValue *goValue = dynamic_cast<GoValue *>(qobject); if (goValue) { value->dataType = DTGoAddr; *(void **)(value->data) = goValue->addr; break; } GoPaintedValue *goPaintedValue = dynamic_cast<GoPaintedValue *>(qobject); if (goPaintedValue) { value->dataType = DTGoAddr; *(void **)(value->data) = goPaintedValue->addr; break; } value->dataType = DTObject; *(void **)(value->data) = qobject; break; } { QQmlListReference ref = qvar->value<QQmlListReference>(); if (ref.isValid() && ref.canCount() && ref.canAt()) { int len = ref.count(); DataValue *dvlist = (DataValue *) malloc(sizeof(DataValue) * len); QVariant elem; for (int i = 0; i < len; i++) { elem.setValue(ref.at(i)); packDataValue(&elem, &dvlist[i]); } value->dataType = DTValueList; value->len = len; *(DataValue**)(value->data) = dvlist; break; } } if (qstrncmp(qvar->typeName(), "QQmlListProperty<", 17) == 0) { QQmlListProperty<QObject> *list = reinterpret_cast<QQmlListProperty<QObject>*>(qvar->data()); if (list->count && list->at) { int len = list->count(list); DataValue *dvlist = (DataValue *) malloc(sizeof(DataValue) * len); QVariant elem; for (int i = 0; i < len; i++) { elem.setValue(list->at(list, i)); packDataValue(&elem, &dvlist[i]); } value->dataType = DTValueList; value->len = len; *(DataValue**)(value->data) = dvlist; break; } } panicf("unsupported variant type: %d (%s)", qvar->type(), qvar->typeName()); break; } }
static bool hasFullImplementedListInterface(const QQmlListReference &list) { return list.isValid() && list.canCount() && list.canAt() && list.canAppend() && list.canClear(); }