Allow components to specify Java agents and JVM arguments (#175)

launcher/minecraft/Agent.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <QString>
+
+#include "Library.h"
+
+class Agent;
+
+typedef std::shared_ptr<Agent> AgentPtr;
+
+class Agent {
+public:
+    Agent(LibraryPtr library, QString &argument)
+    {
+        m_library = library;
+        m_argument = argument;
+    }
+
+public: /* methods */
+
+    LibraryPtr library() {
+        return m_library;
+    }
+    QString argument() {
+        return m_argument;
+    }
+
+protected: /* data */
+
+    /// The library pointing to the jar this Java agent is contained within
+    LibraryPtr m_library;
+
+    /// The argument to the Java agent, passed after an = if present
+    QString m_argument;
+
+};