Imported existing code

indra/llcommon/metaclass.h

@@ -0,0 +1,88 @@
+/** 
+ * @file metaclass.h
+ * @author Babbage
+ * @date 2006-05-15
+ * @brief Reflective meta information describing a class.
+ *
+ * $LicenseInfo:firstyear=2006&license=viewergpl$
+ * 
+ * Copyright (c) 2006-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_METACLASS_H
+#define LL_METACLASS_H
+
+#include <string>
+#include <map>
+
+#include "stdtypes.h"
+
+class LLReflective;
+class LLMetaProperty;
+class LLMetaMethod;
+class LLMetaClass
+{
+public:
+
+	LLMetaClass();
+	virtual ~LLMetaClass();
+  
+	// Create instance of this MetaClass. NULL if class is abstract. 
+	// Gives ownership of returned object.
+	// virtual LLReflective* create() const = 0;
+  
+	// Returns named property or NULL.
+	const LLMetaProperty* findProperty(const std::string& name) const;
+  
+	// Add property to metaclass. Takes ownership of given property.
+	void addProperty(const LLMetaProperty* property);
+	
+	typedef std::map<std::string, const LLMetaProperty*>::const_iterator PropertyIterator;
+	
+	U32 getPropertyCount() const;
+	
+	PropertyIterator beginProperties() const;
+	PropertyIterator endProperties() const;
+  
+	// Returns named property or NULL.
+	// const LLMetaMethod* findMethod(const std::string& name) const;
+  
+	// Add method to metaclass. Takes ownership of given method.
+	// void addMethod(const LLMetaMethod* method);
+  
+	// Find MetaClass by name. NULL if name is unknown.
+	// static LLMetaClass* findClass(const std::string& name);
+	
+	// True if object is instance of this meta class.
+	bool isInstance(const LLReflective* object) const;
+  
+private:
+
+	typedef std::map<std::string, const LLMetaProperty*> PropertyMap;
+	PropertyMap mProperties;
+};
+
+#endif // LL_METACLASS_H