Parsing the version files, part II

libmultimc/include/fullversion.h

@@ -1,6 +1,7 @@
 #pragma once
 #include <QString>
-#include <QStringList>
+
+class Library;
 
 class FullVersion
 {
@@ -40,7 +41,7 @@ public:
 	QString mainClass;
 	
 	// the list of libs. just the names for now. expand to full-blown strutures!
-	QStringList libraries;
+	QList<QSharedPointer<Library> > libraries;
 	
 	// is this actually a legacy version? if so, none of the other stuff here will be ever used.
 	// added by FullVersionFactory

libmultimc/include/library.h

@@ -15,4 +15,121 @@
 
 #pragma once
 
+#include <QtCore>
 
+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,
+	Os_Linux,
+	Os_OSX,
+	Os_Other
+};
+
+OpSys OpSys_fromString(QString);
+
+#ifdef Q_OS_MAC
+	#define currentSystem Os_OSX
+#endif
+
+#ifdef Q_OS_LINUX
+	#define currentSystem Os_Linux
+#endif
+
+#ifdef Q_OS_WIN32
+	#define currentSystem Os_Windows
+#endif
+
+#ifndef currentSystem
+	#define currentSystem Os_Other
+#endif
+
+
+class OsRule : public Rule
+{
+private:
+	// the OS
+	OpSys m_system;
+	// the OS version regexp
+	QString m_version_regexp;
+protected:
+	virtual bool applies ( Library* )
+	{
+		return (m_system == currentSystem);
+	}
+public:
+	OsRule(RuleAction result, OpSys system, QString version_regexp)
+		: Rule(result), m_system(system), m_version_regexp(version_regexp) {}
+};
+
+class ImplicitRule : public Rule
+{
+protected:
+	virtual bool applies ( Library* )
+	{
+		return true;
+	}
+public:
+	ImplicitRule(RuleAction result)
+		: Rule(result) {}
+};
+
+class Library
+{
+public:
+	QString base_url;
+	QString name;
+	QList<QSharedPointer<Rule> > rules;
+	QMap<OpSys, QString> natives;
+	QStringList extract_excludes;
+	
+	void AddRule(RuleAction result)
+	{
+		rules.append(QSharedPointer<Rule>(new ImplicitRule(result)));
+	}
+	void AddRule(RuleAction result, OpSys system, QString version_regexp)
+	{
+		rules.append(QSharedPointer<Rule>(new OsRule(result, system, version_regexp)));
+	}
+	bool applies()
+	{
+		if(rules.empty())
+			return true;
+		RuleAction result = Disallow;
+		for(auto rule: rules)
+		{
+			RuleAction temp = rule->apply( this );
+			if(temp != Defer)
+				result = temp;
+		}
+		return result == Allow;
+	}
+};