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/**
* @file metapropertyt.h
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* 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_METAPROPERTYT_H
#define LL_METAPROPERTYT_H
#include "llsd.h"
#include "llstring.h"
#include "metaclasst.h"
#include "metaproperty.h"
#include "reflectivet.h"
template<class TProperty>
class LLMetaPropertyT : public LLMetaProperty
{
public:
virtual ~LLMetaPropertyT() {;}
// Get value of this property. Gives ownership of returned value.
virtual const LLReflective* get(const LLReflective* object) const
{
checkObjectClass(object);
return getProperty(object);
}
// Set value of this property.
/*virtual void set(LLReflective* object, const LLReflective* value)
{
// TODO: Babbage: Check types.
ref(object) = static_cast<const LLReflectiveT<TProperty>* >(value)->getValue();
}*/
// Get value of this property as LLSD.
virtual LLSD getLLSD(const LLReflective* object) const
{
return LLSD();
}
protected:
LLMetaPropertyT(const std::string& name, const LLMetaClass& object_class) : LLMetaProperty(name, object_class) {;}
virtual const TProperty* getProperty(const LLReflective* object) const = 0;
};
template <>
inline const LLReflective* LLMetaPropertyT<S32>::get(const LLReflective* object) const
{
checkObjectClass(object);
return NULL;
}
template <>
inline const LLReflective* LLMetaPropertyT<std::string>::get(const LLReflective* object) const
{
checkObjectClass(object);
return NULL;
}
template <>
inline const LLReflective* LLMetaPropertyT<LLUUID>::get(const LLReflective* object) const
{
checkObjectClass(object);
return NULL;
}
template <>
inline LLSD LLMetaPropertyT<S32>::getLLSD(const LLReflective* object) const
{
return *(getProperty(object));
}
template <>
inline LLSD LLMetaPropertyT<std::string>::getLLSD(const LLReflective* object) const
{
return *(getProperty(object));
}
template <>
inline LLSD LLMetaPropertyT<LLUUID>::getLLSD(const LLReflective* object) const
{
return *(getProperty(object));
}
template<class TObject, class TProperty>
class LLMetaPropertyTT : public LLMetaPropertyT<TProperty>
{
public:
LLMetaPropertyTT(const std::string& name, const LLMetaClass& object_class, TProperty (TObject::*property)) :
LLMetaPropertyT<TProperty>(name, object_class), mProperty(property) {;}
protected:
// Get void* to property.
virtual const TProperty* getProperty(const LLReflective* object) const
{
const TObject* typed_object = static_cast<const TObject*>(object);
return &(typed_object->*mProperty);
};
private:
TProperty (TObject::*mProperty);
};
template<class TObject, class TProperty>
class LLMetaPropertyPtrTT : public LLMetaPropertyT<TProperty>
{
public:
LLMetaPropertyPtrTT(const std::string& name, const LLMetaClass& object_class, TProperty* (TObject::*property)) :
LLMetaPropertyT<TProperty>(name, object_class), mProperty(property) {;}
protected:
// Get void* to property.
virtual const TProperty* getProperty(const LLReflective* object) const
{
const TObject* typed_object = static_cast<const TObject*>(object);
return typed_object->*mProperty;
};
private:
TProperty* (TObject::*mProperty);
};
// Utility function to simplify the registration of members.
template<class TObject, class TProperty>
void reflectProperty(LLMetaClass& meta_class, const std::string& name, TProperty (TObject::*property))
{
typedef LLMetaPropertyTT<TObject, TProperty> PropertyType;
const LLMetaProperty* meta_property = new PropertyType(name, meta_class, property);
meta_class.addProperty(meta_property);
}
// Utility function to simplify the registration of ptr properties.
template<class TObject, class TProperty>
void reflectPtrProperty(LLMetaClass& meta_class, const std::string& name, TProperty* (TObject::*property))
{
typedef LLMetaPropertyPtrTT<TObject, TProperty> PropertyType;
const LLMetaProperty* meta_property = new PropertyType(name, meta_class, property);
meta_class.addProperty(meta_property);
}
#endif // LL_METAPROPERTYT_H
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