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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <QtProtobuf/private/qprotobufserializerbase_p.h>
#include <QtProtobuf/private/qprotobufregistration_p.h>
#include <QtProtobuf/private/qtprotobufdefs_p.h>
#include <QtProtobuf/private/qtprotobuflogging_p.h>
#include <QtProtobuf/private/qtprotobufserializerhelpers_p.h>
#include <QtProtobuf/qprotobufmessage.h>
#include <QtProtobuf/qprotobufpropertyordering.h>
#include <QtProtobuf/qprotobufrepeatediterator.h>
#include <QtProtobuf/qtprotobuftypes.h>
QT_BEGIN_NAMESPACE
QProtobufSerializerBase::QProtobufSerializerBase() = default;
QProtobufSerializerBase::~QProtobufSerializerBase() = default;
void QProtobufSerializerBase::serializeMessage(const QProtobufMessage *message)
{
Q_ASSERT(message != nullptr);
const auto *ordering = message->propertyOrdering();
Q_ASSERT(ordering != nullptr);
for (int index = 0; index < ordering->fieldCount(); ++index) {
int fieldNumber = ordering->fieldNumber(index);
Q_ASSERT_X(fieldNumber <= ProtobufFieldNumMax && fieldNumber >= ProtobufFieldNumMin, "",
"Protobuf field number is out of range");
QtProtobufPrivate::QProtobufFieldInfo fieldInfo(*ordering, index);
QVariant value = QtProtobufSerializerHelpers::messageProperty(message, fieldInfo);
QMetaType metaType = value.metaType();
// Empty value
if (metaType.id() == QMetaType::UnknownType || value.isNull())
continue;
if (metaType.flags().testFlag(QMetaType::IsPointer)) {
serializeMessageField(value.value<QProtobufMessage *>(), fieldInfo);
continue;
}
if (value.canView(QMetaType::fromType<QProtobufRepeatedIterator>())) {
QProtobufRepeatedIterator propertyIt = value.view<QProtobufRepeatedIterator>();
while (propertyIt.hasNext())
serializeMessageField(propertyIt.next(), fieldInfo);
continue;
}
QtProtobufPrivate::FieldFlags flags = fieldInfo.fieldFlags();
// Convert enums to something known by scalar type serializers
if (flags.testFlag(QtProtobufPrivate::FieldFlag::Enum)) {
if (!serializeEnum(value, fieldInfo))
qProtoWarning() << metaType << " is not registered as protobuf enum";
continue;
}
if (serializeScalarField(value, fieldInfo))
continue;
auto handler = QtProtobufPrivate::findHandler(metaType);
if (!handler.serializer) {
qProtoWarning("No serializer found for type %s", value.typeName());
continue;
}
handler.serializer([this](const QProtobufMessage *message,
const QtProtobufPrivate::QProtobufFieldInfo
&fieldInfo) { serializeMessageField(message, fieldInfo); },
value.constData(), fieldInfo);
}
}
void QProtobufSerializerBase::serializeMessageField(const QProtobufMessage *message,
const QtProtobufPrivate::QProtobufFieldInfo
&fieldInfo)
{
serializeMessageFieldBegin();
serializeMessage(message);
serializeMessageFieldEnd(message, fieldInfo);
}
QT_END_NAMESPACE
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