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/* SPDX-FileCopyrightText: 2026 Project Tick
* SPDX-FileContributor: Project Tick
* SPDX-License-Identifier: GPL-3.0-or-later
*
* MeshMC - A Custom Launcher for Minecraft
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "ProfileUtils.h"
#include "minecraft/VersionFilterData.h"
#include "minecraft/OneSixVersionFormat.h"
#include "Json.h"
#include <QDebug>
#include <QJsonDocument>
#include <QJsonArray>
#include <QRegularExpression>
#include <QSaveFile>
namespace ProfileUtils
{
static const int currentOrderFileVersion = 1;
bool readOverrideOrders(QString path, PatchOrder& order)
{
QFile orderFile(path);
if (!orderFile.exists()) {
qWarning() << "Order file doesn't exist. Ignoring.";
return false;
}
if (!orderFile.open(QFile::ReadOnly)) {
qCritical() << "Couldn't open" << orderFile.fileName()
<< " for reading:" << orderFile.errorString();
qWarning() << "Ignoring overriden order";
return false;
}
// and it's valid JSON
QJsonParseError error;
QJsonDocument doc =
QJsonDocument::fromJson(orderFile.readAll(), &error);
if (error.error != QJsonParseError::NoError) {
qCritical() << "Couldn't parse" << orderFile.fileName() << ":"
<< error.errorString();
qWarning() << "Ignoring overriden order";
return false;
}
// and then read it and process it if all above is true.
try {
auto obj = Json::requireObject(doc);
// check order file version.
auto version = Json::requireInteger(obj.value("version"));
if (version != currentOrderFileVersion) {
throw JSONValidationError(
QObject::tr("Invalid order file version, expected %1")
.arg(currentOrderFileVersion));
}
auto orderArray = Json::requireArray(obj.value("order"));
for (auto item : orderArray) {
order.append(Json::requireString(item));
}
} catch (const JSONValidationError& err) {
qCritical() << "Couldn't parse" << orderFile.fileName()
<< ": bad file format";
qWarning() << "Ignoring overriden order";
order.clear();
return false;
}
return true;
}
static VersionFilePtr
createErrorVersionFile(QString fileId, QString filepath, QString error)
{
auto outError = std::make_shared<VersionFile>();
outError->uid = outError->name = fileId;
// outError->filename = filepath;
outError->addProblem(ProblemSeverity::Error, error);
return outError;
}
static VersionFilePtr guardedParseJson(const QJsonDocument& doc,
const QString& fileId,
const QString& filepath,
const bool& requireOrder)
{
try {
return OneSixVersionFormat::versionFileFromJson(doc, filepath,
requireOrder);
} catch (const Exception& e) {
return createErrorVersionFile(fileId, filepath, e.cause());
}
}
VersionFilePtr parseJsonFile(const QFileInfo& fileInfo,
const bool requireOrder)
{
QFile file(fileInfo.absoluteFilePath());
if (!file.open(QFile::ReadOnly)) {
auto errorStr =
QObject::tr("Unable to open the version file %1: %2.")
.arg(fileInfo.fileName(), file.errorString());
return createErrorVersionFile(fileInfo.completeBaseName(),
fileInfo.absoluteFilePath(),
errorStr);
}
QJsonParseError error;
auto data = file.readAll();
QJsonDocument doc = QJsonDocument::fromJson(data, &error);
file.close();
if (error.error != QJsonParseError::NoError) {
int line = 1;
int column = 0;
for (int i = 0; i < error.offset; i++) {
if (data[i] == '\n') {
line++;
column = 0;
continue;
}
column++;
}
auto errorStr = QObject::tr("Unable to process the version file "
"%1: %2 at line %3 column %4.")
.arg(fileInfo.fileName(), error.errorString())
.arg(line)
.arg(column);
return createErrorVersionFile(fileInfo.completeBaseName(),
fileInfo.absoluteFilePath(),
errorStr);
}
return guardedParseJson(doc, fileInfo.completeBaseName(),
fileInfo.absoluteFilePath(), requireOrder);
}
bool saveJsonFile(const QJsonDocument doc, const QString& filename)
{
auto data = doc.toJson();
QSaveFile jsonFile(filename);
if (!jsonFile.open(QIODevice::WriteOnly)) {
jsonFile.cancelWriting();
qWarning() << "Couldn't open" << filename << "for writing";
return false;
}
jsonFile.write(data);
if (!jsonFile.commit()) {
qWarning() << "Couldn't save" << filename;
return false;
}
return true;
}
VersionFilePtr parseBinaryJsonFile(const QFileInfo& fileInfo)
{
QFile file(fileInfo.absoluteFilePath());
if (!file.open(QFile::ReadOnly)) {
auto errorStr =
QObject::tr("Unable to open the version file %1: %2.")
.arg(fileInfo.fileName(), file.errorString());
return createErrorVersionFile(fileInfo.completeBaseName(),
fileInfo.absoluteFilePath(),
errorStr);
}
QJsonDocument doc = QJsonDocument::fromJson(file.readAll());
file.close();
if (doc.isNull()) {
file.remove();
throw JSONValidationError(
QObject::tr("Unable to process the version file %1.")
.arg(fileInfo.fileName()));
}
return guardedParseJson(doc, fileInfo.completeBaseName(),
fileInfo.absoluteFilePath(), false);
}
void removeLwjglFromPatch(VersionFilePtr patch)
{
auto filter = [](QList<LibraryPtr>& libs) {
QList<LibraryPtr> filteredLibs;
for (auto lib : libs) {
if (!g_VersionFilterData.lwjglWhitelist.contains(
lib->artifactPrefix())) {
filteredLibs.append(lib);
}
}
libs = filteredLibs;
};
filter(patch->libraries);
}
} // namespace ProfileUtils
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