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105 lines
3.9 KiB
C++
105 lines
3.9 KiB
C++
/*!
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@file
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@author Alexander Buryak - Rageous
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@author Albert Semenov
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@date 09/2008
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@module
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*/
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_RTTI_H__
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#define __MYGUI_RTTI_H__
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#include "MyGUI_Prerequest.h"
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#include "MyGUI_Diagnostic.h"
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#include <typeinfo>
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#include <string>
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namespace MyGUI
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{
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//VC++ 7.1
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#if MYGUI_COMPILER == MYGUI_COMPILER_MSVC && MYGUI_COMP_VER == 1310
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#define MYGUI_DECLARE_TYPE_NAME( Type ) \
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private: \
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struct TypeNameHolder { const std::string& getClassTypeName() { static std::string type = #Type; return type; } }; \
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public: \
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static const std::string& getClassTypeName() { TypeNameHolder type; return type.getClassTypeName(); } \
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/** Get type name as string */ \
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virtual const std::string& getTypeName() const { return Type::getClassTypeName(); }
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#else
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#define MYGUI_DECLARE_TYPE_NAME( Type ) \
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public: \
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static const std::string& getClassTypeName() { static std::string type = #Type; return type; } \
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/** Get type name as string */ \
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virtual const std::string& getTypeName() const { return Type::getClassTypeName(); }
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#endif
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#define MYGUI_RTTI_BASE( BaseType ) \
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public: \
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typedef BaseType RTTIBase; \
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MYGUI_DECLARE_TYPE_NAME( BaseType ) \
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/** Compare with selected type */ \
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virtual bool isType( const std::type_info& _type) const { return typeid( BaseType ) == _type; } \
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/** Compare with selected type */ \
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template<typename Type> bool isType() const { return isType( typeid( Type )); } \
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/** Try to cast pointer to selected type. \
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@param _throw If true throw exception when casting in wrong type, else return nullptr \
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*/ \
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template<typename Type> Type* castType(bool _throw = true) \
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{ \
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if (this->isType<Type>()) return static_cast<Type*>( this ); \
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MYGUI_ASSERT(!_throw, "Error cast type '" << this->getTypeName() << "' to type '" << Type::getClassTypeName() << "' .") \
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return nullptr; \
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} \
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/** Try to cast pointer to selected type. \
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@param _throw If true throw exception when casting in wrong type, else return nullptr \
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*/ \
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template<typename Type> const Type* castType(bool _throw = true) const \
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{ \
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if (this->isType<Type>()) return static_cast<Type*>( this ); \
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MYGUI_ASSERT(!_throw, "Error cast type '" << this->getTypeName() << "' to type '" << Type::getClassTypeName() << "' .") \
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return nullptr; \
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}
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#define MYGUI_RTTI_DERIVED( DerivedType ) \
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public: \
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MYGUI_DECLARE_TYPE_NAME( DerivedType ) \
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typedef RTTIBase Base; \
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typedef DerivedType RTTIBase; \
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/** Compare with selected type */ \
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virtual bool isType( const std::type_info& _type ) const { return typeid( DerivedType ) == _type || Base::isType( _type ); } \
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/** Compare with selected type */ \
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template<typename Type> bool isType() const { return isType( typeid( DerivedType )); }
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//OBSOLETE
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#define MYGUI_RTTI_CHILD_HEADER( DerivedType, BaseType ) \
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public: \
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MYGUI_DECLARE_TYPE_NAME( DerivedType ) \
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typedef BaseType Base; \
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typedef DerivedType RTTIBase; \
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/** Compare with selected type */ \
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virtual bool isType( const std::type_info& _type ) const { return typeid( DerivedType ) == _type || BaseType::isType( _type ); }
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//OBSOLETE
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#define MYGUI_RTTI_BASE_HEADER( BaseType ) MYGUI_RTTI_BASE( BaseType )
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} // namespace MyGUI
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#endif // __MYGUI_RTTI_H__
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