Parsing the version files, part III

libmultimc/include/fullversionfactory.h

@@ -2,6 +2,7 @@
 #include <QtCore>
 
 struct FullVersion;
+class Rule;
 
 class FullVersionFactory
 {
@@ -19,5 +20,6 @@ public:
 	QSharedPointer<FullVersion> parse(QByteArray data);
 private:
 	QSharedPointer<FullVersion> parse4(QJsonObject root, QSharedPointer<FullVersion> product);
+	QList<QSharedPointer<Rule> > parse4rules(QJsonObject & baseObj);
 	QStringList legacyWhitelist;
 };

libmultimc/include/instance.h

@@ -116,7 +116,10 @@ class LIBMULTIMC_EXPORT Instance : public QObject
 	 */
 	Q_PROPERTY(qint64 lastCurrentVersionUpdate READ lastCurrentVersionUpdate WRITE setLastCurrentVersionUpdate)
 	
-	
+	/*!
+	 * Is the instance a new launcher instance? Get/Set
+	 */
+	Q_PROPERTY(bool isForNewLauncher READ isForNewLauncher WRITE setIsForNewLauncher)
 
 	// Dirs
 	//! Path to the instance's .minecraft folder.
@@ -250,6 +253,15 @@ public:
 	virtual qint64 lastCurrentVersionUpdate() const { return settings().get("lastVersionUpdate").value<qint64>(); }
 	virtual void setLastCurrentVersionUpdate(qint64 val) { settings().set("lastVersionUpdate", val); }
 	
+	virtual bool isForNewLauncher()
+	{
+		return settings().get("IsForNewLauncher").value<bool>();
+	}
+	
+	virtual void setIsForNewLauncher(bool value = true)
+	{
+		settings().set("IsForNewLauncher", value);
+	}
 	
 	////// Directories //////
 	QString minecraftDir() const;

libmultimc/include/library.h

@@ -19,33 +19,6 @@
 
 class Library;
 
-enum RuleAction
-{
-	Allow,
-	Disallow,
-	Defer
-};
-
-RuleAction RuleAction_fromString(QString);
-
-class Rule
-{
-protected:
-	RuleAction m_result;
-	virtual bool applies(Library * parent) = 0;
-public:
-	Rule(RuleAction result)
-		:m_result(result) {}
-	virtual ~Rule(){};
-	RuleAction apply(Library * parent)
-	{
-		if(applies(parent))
-			return m_result;
-		else
-			return Defer;
-	};
-};
-
 enum OpSys
 {
 	Os_Windows,
@@ -73,6 +46,33 @@ OpSys OpSys_fromString(QString);
 #endif
 
 
+enum RuleAction
+{
+	Allow,
+	Disallow,
+	Defer
+};
+
+RuleAction RuleAction_fromString(QString);
+
+class Rule
+{
+protected:
+	RuleAction m_result;
+	virtual bool applies(Library * parent) = 0;
+public:
+	Rule(RuleAction result)
+		:m_result(result) {}
+	virtual ~Rule(){};
+	RuleAction apply(Library * parent)
+	{
+		if(applies(parent))
+			return m_result;
+		else
+			return Defer;
+	};
+};
+
 class OsRule : public Rule
 {
 private:
@@ -85,9 +85,13 @@ protected:
 	{
 		return (m_system == currentSystem);
 	}
-public:
 	OsRule(RuleAction result, OpSys system, QString version_regexp)
 		: Rule(result), m_system(system), m_version_regexp(version_regexp) {}
+public:
+	static QSharedPointer<OsRule> create(RuleAction result, OpSys system, QString version_regexp)
+	{
+		return QSharedPointer<OsRule> (new OsRule(result, system, version_regexp));
+	}
 };
 
 class ImplicitRule : public Rule
@@ -97,39 +101,119 @@ protected:
 	{
 		return true;
 	}
-public:
 	ImplicitRule(RuleAction result)
 		: Rule(result) {}
+public:
+	static QSharedPointer<ImplicitRule> create(RuleAction result)
+	{
+		return QSharedPointer<ImplicitRule> (new ImplicitRule(result));
+	}
 };
 
 class Library
 {
+private:
+	// basic values used internally (so far)
+	QString m_name;
+	QString m_base_url;
+	QList<QSharedPointer<Rule> > m_rules;
+	
+	// derived values used for real things
+	/// where to store the lib locally
+	QString m_storage_path;
+	/// where to download the lib from
+	QString m_download_path;
+	/// is this lib actuall active on the current OS?
+	bool m_is_active;
+	
+	// native lib?
+	bool m_is_native;
+	QMap<OpSys, QString> m_native_suffixes;
 public:
-	QString base_url;
-	QString name;
-	QList<QSharedPointer<Rule> > rules;
-	QMap<OpSys, QString> natives;
 	QStringList extract_excludes;
 	
-	void AddRule(RuleAction result)
+public:
+	/// finalize the library, processing the input values into derived values and state
+	void finalize()
 	{
-		rules.append(QSharedPointer<Rule>(new ImplicitRule(result)));
+		QStringList parts = m_name.split(':');
+		QString relative = parts[0];
+		relative.replace('.','/');
+		relative += '/' + parts[1] + '/' + parts[2] + '/' + parts[1] + '-' + parts[2];
+		if(!m_is_native)
+			relative += ".jar";
+		else
+		{
+			if(m_native_suffixes.contains(currentSystem))
+			{
+				relative += "-" + m_native_suffixes[currentSystem] + ".jar";
 			}
-	void AddRule(RuleAction result, OpSys system, QString version_regexp)
+			else
 			{
-		rules.append(QSharedPointer<Rule>(new OsRule(result, system, version_regexp)));
+				// really, bad.
+				relative += ".jar";
 			}
-	bool applies()
+		}
+		m_storage_path = relative;
+		m_download_path = m_base_url + relative;
+		
+		if(m_rules.empty())
+		{
+			m_is_active = true;
+		}
+		else
 		{
-		if(rules.empty())
-			return true;
 			RuleAction result = Disallow;
-		for(auto rule: rules)
+			for(auto rule: m_rules)
 			{
 				RuleAction temp = rule->apply( this );
 				if(temp != Defer)
 					result = temp;
 			}
-		return result == Allow;
+			m_is_active = (result == Allow);
+		}
+		if(m_is_native)
+		{
+			m_is_active = m_is_active && m_native_suffixes.contains(currentSystem);
+		}
+	};
+	
+	Library(QString name)
+	{
+		m_is_native = false;
+		m_is_native = false;
+		m_name = name;
+		m_base_url = "https://s3.amazonaws.com/Minecraft.Download/libraries/";
+	}
+	
+	void setName(QString name)
+	{
+		m_name = name;
+	}
+	
+	void setBaseUrl(QString base_url)
+	{
+		m_base_url = base_url;
+	}
+	
+	void setIsNative()
+	{
+		m_is_native = true;
+	}
+	
+	void addNative(OpSys os, QString suffix)
+	{
+		m_is_native = true;
+		m_native_suffixes[os] = suffix;
+	}
+	
+	void setRules(QList<QSharedPointer<Rule> > rules)
+	{
+		m_rules = rules;
+	}
+
+	bool applies()
+	{
+		return m_is_active;
 	}
 };

libmultimc/src/fullversion.cpp

@@ -1,4 +1,5 @@
 #include <QtCore>
 #include "fullversion.h"
+#include <library.h>
 
 // ECHO, echo, echo, ....

libmultimc/src/fullversionfactory.cpp

@@ -2,6 +2,61 @@
 #include "fullversion.h"
 #include <library.h>
 
+class LibraryFinalizer
+{
+public:
+	LibraryFinalizer(QSharedPointer<Library> library)
+	{
+		m_library = library;
+	}
+	
+	QSharedPointer<Library> m_library;
+};
+
+// Library rules (if any)
+QList<QSharedPointer<Rule> > FullVersionFactory::parse4rules(QJsonObject & baseObj)
+{
+	QList<QSharedPointer<Rule> > rules;
+	auto rulesVal = baseObj.value("rules");
+	if(rulesVal.isArray())
+	{
+		QJsonArray ruleList = rulesVal.toArray();
+		for(auto ruleVal : ruleList)
+		{
+			QSharedPointer<Rule> rule;
+			if(!ruleVal.isObject())
+				continue;
+			auto ruleObj = ruleVal.toObject();
+			auto actionVal = ruleObj.value("action");
+			if(!actionVal.isString())
+				continue;
+			auto action = RuleAction_fromString(actionVal.toString());
+			if(action == Defer)
+				continue;
+			
+			auto osVal = ruleObj.value("os");
+			if(!osVal.isObject())
+			{
+				// add a new implicit action rule
+				rules.append(ImplicitRule::create(action));
+			}
+			else
+			{
+				auto osObj = osVal.toObject();
+				auto osNameVal = osObj.value("name");
+				if(!osNameVal.isString())
+					continue;
+				OpSys requiredOs = OpSys_fromString(osNameVal.toString());
+				QString versionRegex = osObj.value("version").toString();
+				// add a new OS rule
+				rules.append(OsRule::create(action, requiredOs, versionRegex));
+			}
+		}
+	}
+	return rules;
+}
+
+
 QSharedPointer<FullVersion> FullVersionFactory::parse4(QJsonObject root, QSharedPointer<FullVersion> fullVersion)
 {
 	fullVersion->id = root.value("id").toString();
@@ -48,7 +103,6 @@ QSharedPointer<FullVersion> FullVersionFactory::parse4(QJsonObject root, QShared
 	QJsonArray libList = root.value("libraries").toArray();
 	for (auto libVal : libList)
 	{
-		QSharedPointer<Library> library(new Library());
 		if (!libVal.isObject())
 		{
 			continue;
@@ -60,7 +114,7 @@ QSharedPointer<FullVersion> FullVersionFactory::parse4(QJsonObject root, QShared
 		auto nameVal = libObj.value("name");
 		if(!nameVal.isString())
 			continue;
-		library->name = nameVal.toString();
+		QSharedPointer<Library> library(new Library(nameVal.toString()));
 		
 		// Extract excludes (if any)
 		auto extractVal = libObj.value("extract");
@@ -84,6 +138,7 @@ QSharedPointer<FullVersion> FullVersionFactory::parse4(QJsonObject root, QShared
 		auto nativesVal = libObj.value("natives");
 		if(nativesVal.isObject())
 		{
+			library->setIsNative();
 			auto nativesObj = nativesVal.toObject();
 			auto iter = nativesObj.begin();
 			while(iter != nativesObj.end())
@@ -93,50 +148,13 @@ QSharedPointer<FullVersion> FullVersionFactory::parse4(QJsonObject root, QShared
 					continue;
 				if(!iter.value().isString())
 					continue;
-				library->natives[osType] = iter.value().toString();
+				library->addNative(osType, iter.value().toString());
 				iter++;
 			}
 		}
-		
+		library->setRules(parse4rules(libObj));
-		// Library rules (if any)
+		library->finalize();
-		auto rulesVal = libObj.value("rules");
+		fullVersion->libraries.append(library);
-		if(rulesVal.isArray())
-		{
-			QList<QSharedPointer<Rule> > rules;
-			
-			QJsonArray ruleList = rulesVal.toArray();
-			for(auto ruleVal : ruleList)
-			{
-				QSharedPointer<Rule> rule;
-				if(!ruleVal.isObject())
-					continue;
-				auto ruleObj = ruleVal.toObject();
-				auto actionVal = ruleObj.value("action");
-				if(!actionVal.isString())
-					continue;
-				auto action = RuleAction_fromString(actionVal.toString());
-				if(action == Defer)
-					continue;
-				
-				auto osVal = ruleObj.value("os");
-				if(!osVal.isObject())
-				{
-					rule.reset(new ImplicitRule(action));
-				}
-				else
-				{
-					auto osObj = osVal.toObject();
-					auto osNameVal = osObj.value("name");
-					if(!osNameVal.isString())
-						continue;
-					OpSys requiredOs = OpSys_fromString(osNameVal.toString());
-					QString versionRegex = osObj.value("version").toString();
-					rule.reset(new OsRule(action, requiredOs, versionRegex));
-				}
-				rules.append(rule);
-			}
-			library->rules = rules;
-		}
 	}
 	return fullVersion;
 }

libmultimc/src/gameupdatetask.cpp

@@ -141,6 +141,7 @@ void GameUpdateTask::jarlibFinished()
 {
 	m_inst->setCurrentVersion(targetVersion->descriptor());
 	m_inst->setShouldUpdate(false);
+	m_inst->setIsForNewLauncher(true);
 	exit(1);
 }
 
@@ -195,6 +196,7 @@ void GameUpdateTask::legacyJarFinished()
 {
 	setState(StateFinished);
 	emit gameUpdateComplete(m_response);
+	m_inst->setIsForNewLauncher(true);
 	exit(1);
 }
 

libmultimc/src/instance.cpp

@@ -34,6 +34,7 @@ Instance::Instance(const QString &rootDir, QObject *parent) :
 	settings().registerSetting(new Setting("iconKey", "default"));
 	settings().registerSetting(new Setting("notes", ""));
 	settings().registerSetting(new Setting("NeedsRebuild", true));
+	settings().registerSetting(new Setting("IsForNewLauncher", false));
 	settings().registerSetting(new Setting("ShouldUpdate", false));
 	settings().registerSetting(new Setting("JarVersion", "Unknown"));
 	settings().registerSetting(new Setting("LwjglVersion", "2.9.0"));

libmultimc/src/library.cpp

@@ -34,4 +34,4 @@ OpSys OpSys_fromString(QString name)
 		return Os_OSX;
 	return Os_Other;
 }
-// default url for lib: https://s3.amazonaws.com/Minecraft.Download/libraries/
+// default url for lib: