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/*
* This source file is part of MyGUI. For the latest info, see http://mygui.info/
* Distributed under the MIT License
* (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
*/
#ifndef MYGUI_RTTI_H_
#define MYGUI_RTTI_H_
#include "MyGUI_Prerequest.h"
#include "MyGUI_Diagnostic.h"
#include <string>
#include <typeinfo>
namespace MyGUI
{
#define MYGUI_DECLARE_TYPE_NAME(Type, Override) \
public: \
static const std::string& getClassTypeName() { static std::string type = #Type; return type; } \
/** Get type name as string */ \
virtual const std::string& getTypeName() const Override { return getClassTypeName(); }
#define MYGUI_RTTI_BASE(BaseType) \
public: \
typedef BaseType RTTIBase; \
MYGUI_DECLARE_TYPE_NAME(BaseType,) \
/** Compare with selected type */ \
virtual bool isType(const std::type_info& _type) const { return typeid(BaseType) == _type; } \
/** Compare with selected type */ \
template<typename Type> bool isType() const { return isType(typeid(Type)); } \
/** Try to cast pointer to selected type. \
@param _throw If true throw exception when casting in wrong type, else return nullptr \
*/ \
template<typename Type> Type* castType(bool _throw = true) \
{ \
if (this->isType<Type>()) return static_cast<Type*>(this); \
MYGUI_ASSERT(!_throw, "Error cast type '" << this->getTypeName() << "' to type '" << Type::getClassTypeName() << "' ."); \
return nullptr; \
} \
/** Try to cast pointer to selected type. \
@param _throw If true throw exception when casting in wrong type, else return nullptr \
*/ \
template<typename Type> const Type* castType(bool _throw = true) const \
{ \
if (this->isType<Type>()) return static_cast<Type*>(this); \
MYGUI_ASSERT(!_throw, "Error cast type '" << this->getTypeName() << "' to type '" << Type::getClassTypeName() << "' ."); \
return nullptr; \
}
#define MYGUI_RTTI_DERIVED(DerivedType) \
public: \
MYGUI_DECLARE_TYPE_NAME(DerivedType, override) \
typedef RTTIBase Base; \
typedef DerivedType RTTIBase; \
/** Compare with selected type */ \
virtual bool isType(const std::type_info& _type) const override { return typeid(DerivedType) == _type || Base::isType(_type); } \
/** Compare with selected type */ \
template<typename Type> bool isType() const { return isType(typeid(Type)); }
} // namespace MyGUI
#endif // MYGUI_RTTI_H_
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