1 files changed, 145 insertions, 0 deletions
diff --git a/logic/minecraft/ProfileUtils.cpp b/logic/minecraft/ProfileUtils.cpp
new file mode 100644
index 00000000..48e73472
--- /dev/null
+++ b/logic/minecraft/ProfileUtils.cpp
@@ -0,0 +1,145 @@
+#include "ProfileUtils.h"
+#include "logic/minecraft/VersionFilterData.h"
+#include "logic/MMCJson.h"
+#include "logger/QsLog.h"
+
+#include <QJsonDocument>
+#include <QJsonArray>
+#include <QRegularExpression>
+
+namespace ProfileUtils
+{
+
+static const int currentOrderFileVersion = 1;
+
+bool writeOverrideOrders(QString path, const PatchOrder &order)
+{
+	QJsonObject obj;
+	obj.insert("version", currentOrderFileVersion);
+	QJsonArray orderArray;
+	for(auto str: order)
+	{
+		orderArray.append(str);
+	}
+	obj.insert("order", orderArray);
+	QFile orderFile(path);
+	if (!orderFile.open(QFile::WriteOnly))
+	{
+		QLOG_ERROR() << "Couldn't open" << orderFile.fileName()
+					 << "for writing:" << orderFile.errorString();
+		return false;
+	}
+	orderFile.write(QJsonDocument(obj).toJson(QJsonDocument::Indented));
+	return true;
+}
+
+bool readOverrideOrders(QString path, PatchOrder &order)
+{
+	QFile orderFile(path);
+	if (!orderFile.exists())
+	{
+		QLOG_WARN() << "Order file doesn't exist. Ignoring.";
+		return false;
+	}
+	if (!orderFile.open(QFile::ReadOnly))
+	{
+		QLOG_ERROR() << "Couldn't open" << orderFile.fileName()
+					 << " for reading:" << orderFile.errorString();
+		QLOG_WARN() << "Ignoring overriden order";
+		return false;
+	}
+
+	// and it's valid JSON
+	QJsonParseError error;
+	QJsonDocument doc = QJsonDocument::fromJson(orderFile.readAll(), &error);
+	if (error.error != QJsonParseError::NoError)
+	{
+		QLOG_ERROR() << "Couldn't parse" << orderFile.fileName() << ":" << error.errorString();
+		QLOG_WARN() << "Ignoring overriden order";
+		return false;
+	}
+
+	// and then read it and process it if all above is true.
+	try
+	{
+		auto obj = MMCJson::ensureObject(doc);
+		// check order file version.
+		auto version = MMCJson::ensureInteger(obj.value("version"), "version");
+		if (version != currentOrderFileVersion)
+		{
+			throw JSONValidationError(QObject::tr("Invalid order file version, expected %1")
+										  .arg(currentOrderFileVersion));
+		}
+		auto orderArray = MMCJson::ensureArray(obj.value("order"));
+		for(auto item: orderArray)
+		{
+			order.append(MMCJson::ensureString(item));
+		}
+	}
+	catch (JSONValidationError &err)
+	{
+		QLOG_ERROR() << "Couldn't parse" << orderFile.fileName() << ": bad file format";
+		QLOG_WARN() << "Ignoring overriden order";
+		order.clear();
+		return false;
+	}
+	return true;
+}
+
+VersionFilePtr parseJsonFile(const QFileInfo &fileInfo, const bool requireOrder, bool isFTB)
+{
+	QFile file(fileInfo.absoluteFilePath());
+	if (!file.open(QFile::ReadOnly))
+	{
+		throw JSONValidationError(QObject::tr("Unable to open the version file %1: %2.")
+									  .arg(fileInfo.fileName(), file.errorString()));
+	}
+	QJsonParseError error;
+	QJsonDocument doc = QJsonDocument::fromJson(file.readAll(), &error);
+	if (error.error != QJsonParseError::NoError)
+	{
+		throw JSONValidationError(
+			QObject::tr("Unable to process the version file %1: %2 at %3.")
+				.arg(fileInfo.fileName(), error.errorString())
+				.arg(error.offset));
+	}
+	return VersionFile::fromJson(doc, file.fileName(), requireOrder, isFTB);
+}
+
+VersionFilePtr parseBinaryJsonFile(const QFileInfo &fileInfo)
+{
+	QFile file(fileInfo.absoluteFilePath());
+	if (!file.open(QFile::ReadOnly))
+	{
+		throw JSONValidationError(QObject::tr("Unable to open the version file %1: %2.")
+									  .arg(fileInfo.fileName(), file.errorString()));
+	}
+	QJsonDocument doc = QJsonDocument::fromBinaryData(file.readAll());
+	file.close();
+	if (doc.isNull())
+	{
+		file.remove();
+		throw JSONValidationError(
+			QObject::tr("Unable to process the version file %1.").arg(fileInfo.fileName()));
+	}
+	return VersionFile::fromJson(doc, file.fileName(), false, false);
+}
+
+void removeLwjglFromPatch(VersionFilePtr patch)
+{
+	auto filter = [](QList<RawLibraryPtr>& libs)
+	{
+		QList<RawLibraryPtr> filteredLibs;
+		for (auto lib : libs)
+		{
+			if (!g_VersionFilterData.lwjglWhitelist.contains(lib->artifactPrefix()))
+			{
+				filteredLibs.append(lib);
+			}
+		}
+		libs = filteredLibs;
+	};
+	filter(patch->addLibs);
+	filter(patch->overwriteLibs);
+}
+}