Parsing the version files, part I

libmultimc/include/fullversion.h

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+#pragma once
+#include <QString>
+#include <QStringList>
+
+class FullVersion
+{
+public:
+	FullVersion()
+	{
+		minimumLauncherVersion = 0xDEADBEEF;
+		isLegacy = false;
+	}
+	// the ID - determines which jar to use! ACTUALLY IMPORTANT!
+	QString id;
+	// do we actually care about parsing this?
+	QString time;
+	// I don't think we do.
+	QString releaseTime;
+	// eh, not caring - "release" or "snapshot"
+	QString type;
+	/*
+	 * DEPRECATED: Old versions of the new vanilla launcher used this
+	 * ex: "username_session_version"
+	 */
+	QString processArguments; 
+	/*
+	 * arguments that should be used for launching minecraft
+	 * 
+	 * ex: "--username ${auth_player_name} --session ${auth_session}
+	 *      --version ${version_name} --gameDir ${game_directory} --assetsDir ${game_assets}"
+	 */
+	QString minecraftArguments;
+	/*
+	 * the minimum launcher version required by this version ... current is 4 (at point of writing)
+	 */
+	int minimumLauncherVersion;
+	/*
+	 * The main class to load first
+	 */
+	QString mainClass;
+	
+	// the list of libs. just the names for now. expand to full-blown strutures!
+	QStringList libraries;
+	
+	// is this actually a legacy version? if so, none of the other stuff here will be ever used.
+	// added by FullVersionFactory
+	bool isLegacy;
+
+/*
+FIXME: add support for those rules here? Looks like a pile of quick hacks to me though.
+
+  "rules": [
+    {
+      "action": "allow"
+    },
+    {
+      "action": "disallow",
+      "os": {
+        "name": "osx",
+        "version": "^10\\.5\\.\\d$"
+      }
+    }
+  ],
+  "incompatibilityReason": "There is a bug in LWJGL which makes it incompatible with OSX 10.5.8. Please go to New Profile and use 1.5.2 for now. Sorry!"
+}
+*/
+	// QList<Rule> rules;
+};

libmultimc/include/fullversionfactory.h

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+#pragma once
+#include <QtCore>
+
+struct FullVersion;
+
+class FullVersionFactory
+{
+public:
+	enum Error
+	{
+		AllOK, // all parsed OK
+		ParseError, // the file was corrupted somehow
+		UnsupportedVersion // the file was meant for a launcher version we don't support (yet)
+	} m_error;
+	QString error_string;
+
+public:
+	FullVersionFactory();
+	QSharedPointer<FullVersion> parse(QByteArray data);
+private:
+	QSharedPointer<FullVersion> parse4(QJsonObject root, QSharedPointer<FullVersion> product);
+	QStringList legacyWhitelist;
+};

libmultimc/include/library.h

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+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+