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// Copyright 2015 - 2025, GIBIS-UNIFESP and the wiRedPanda contributors
// SPDX-License-Identifier: GPL-3.0-or-later
#include "serialization.h"
#include "common.h"
#include "elementfactory.h"
#include "globalproperties.h"
#include "graphicelement.h"
#include "qneconnection.h"
#include <QApplication>
#include <QIODevice>
void Serialization::writePandaHeader(QDataStream &stream)
{
stream.setVersion(QDataStream::Qt_5_12);
stream << MAGIC_HEADER_CIRCUIT;
stream << GlobalProperties::version;
}
QVersionNumber Serialization::readPandaHeader(QDataStream &stream)
{
stream.setVersion(QDataStream::Qt_5_12);
qint64 originalPos = stream.device()->pos();
quint32 magicHeader;
stream >> magicHeader;
QVersionNumber version;
if (magicHeader == MAGIC_HEADER_CIRCUIT) {
stream >> version;
} else {
stream.device()->seek(originalPos);
QString appName;
stream >> appName; // "WiredPanda 1.1"
if (appName.isEmpty()) { // copy/paste stream, no header
stream.device()->seek(originalPos);
QPointF center;
stream >> center;
if (center.isNull()) {
throw PANDACEPTION("Invalid file format.");
}
stream.device()->seek(originalPos);
version = QVersionNumber(4, 1); // no version in stream, assume 4.1
} else if (appName.startsWith("wiRedPanda", Qt::CaseInsensitive)) {
QStringList split = appName.split(" ");
version = QVersionNumber::fromString(split.at(1));
} else {
throw PANDACEPTION("Invalid file format.");
}
}
return version.normalized();
}
void Serialization::writeDolphinHeader(QDataStream &stream)
{
stream.setVersion(QDataStream::Qt_5_12);
stream << MAGIC_HEADER_WAVEFORM;
stream << GlobalProperties::version;
}
void Serialization::readDolphinHeader(QDataStream &stream)
{
stream.setVersion(QDataStream::Qt_5_12);
qint64 originalPos = stream.device()->pos();
quint32 magicHeader;
stream >> magicHeader;
if (magicHeader == MAGIC_HEADER_WAVEFORM) {
QVersionNumber version;
stream >> version;
} else {
stream.device()->seek(originalPos);
QString appName;
stream >> appName;
if (!appName.startsWith("beWavedDolphin")) {
throw PANDACEPTION("Invalid file format.");
}
}
}
void Serialization::serialize(const QList<QGraphicsItem *> &items, QDataStream &stream)
{
for (auto *item : items) {
if (auto *element = qgraphicsitem_cast<GraphicElement *>(item)) {
stream << element;
}
}
for (auto *item : items) {
if (auto *connection = qgraphicsitem_cast<QNEConnection *>(item)) {
stream << connection;
}
}
}
QList<QGraphicsItem *> Serialization::deserialize(QDataStream &stream, QMap<quint64, QNEPort *> portMap, const QVersionNumber version)
{
QList<QGraphicsItem *> itemList;
while (!stream.atEnd()) {
int type; stream >> type;
qCDebug(three) << "Type: " << typeName(type);
switch (type) {
case GraphicElement::Type: {
ElementType elmType; stream >> elmType;
auto *elm = ElementFactory::buildElement(elmType);
itemList.append(elm);
elm->load(stream, portMap, version);
break;
}
case QNEConnection::Type: {
qCDebug(three) << "Building connection.";
auto *conn = new QNEConnection();
qCDebug(three) << "Loading connection.";
conn->load(stream, portMap);
qCDebug(three) << "Appending connection.";
itemList.append(conn);
break;
}
default:
throw PANDACEPTION("Invalid type. Data is possibly corrupted.");
}
}
qCDebug(zero) << "Finished deserializing.";
return itemList;
}
QString Serialization::loadDolphinFileName(QDataStream &stream, const QVersionNumber version)
{
QString filename;
if (version >= VERSION("3.0")) {
stream >> filename;
if ((version < VERSION("3.3")) && (filename == "none")) {
filename.clear();
}
}
return filename;
}
QRectF Serialization::loadRect(QDataStream &stream, const QVersionNumber version)
{
QRectF rect;
if (version >= VERSION("1.4")) {
stream >> rect;
}
return rect;
}
QString Serialization::typeName(const int type) {
static const QHash<int, QString> typeMap = {
{ QGraphicsItem::UserType + 1, "QNEPort" },
{ QGraphicsItem::UserType + 2, "QNEConnection" },
{ QGraphicsItem::UserType + 3, "GraphicElement" },
};
return typeMap.value(type, "UnknownType");
}
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