MyGUI: MyGUI_RTTI.h Source File

MyGUI 3.4.2

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MyGUI_RTTI.h
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1/*
2 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
3 * Distributed under the MIT License
4 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
5 */
6
7#ifndef MYGUI_RTTI_H_
8#define MYGUI_RTTI_H_
9
10#include "MyGUI_Prerequest.h"
11#include "MyGUI_Diagnostic.h"
12#include <string>
13
14#include <typeinfo>
15
16namespace MyGUI
17{
18
19#define MYGUI_DECLARE_TYPE_NAME(Type, Override) \
20 public: \
21 static const std::string& getClassTypeName() { static std::string type = #Type; return type; } \
22 \
23 virtual const std::string& getTypeName() const Override { return getClassTypeName(); }
24
25#define MYGUI_RTTI_BASE(BaseType) \
26 public: \
27 typedef BaseType RTTIBase; \
28 MYGUI_DECLARE_TYPE_NAME(BaseType,) \
29 \
30 virtual bool isType(const std::type_info& _type) const { return typeid(BaseType) == _type; } \
31 \
32 template<typename Type> bool isType() const { return isType(typeid(Type)); } \
33
35 \
36 template<typename Type> Type* castType(bool _throw = true) \
37 { \
38 if (this->isType<Type>()) return static_cast<Type*>(this); \
39 MYGUI_ASSERT(!_throw, "Error cast type '" << this->getTypeName() << "' to type '" << Type::getClassTypeName() << "' ."); \
40 return nullptr; \
41 } \
42
44 \
45 template<typename Type> const Type* castType(bool _throw = true) const \
46 { \
47 if (this->isType<Type>()) return static_cast<Type*>(this); \
48 MYGUI_ASSERT(!_throw, "Error cast type '" << this->getTypeName() << "' to type '" << Type::getClassTypeName() << "' ."); \
49 return nullptr; \
50 }
51
52#define MYGUI_RTTI_DERIVED(DerivedType) \
53 public: \
54 MYGUI_DECLARE_TYPE_NAME(DerivedType, override) \
55 typedef RTTIBase Base; \
56 typedef DerivedType RTTIBase; \
57 \
58 virtual bool isType(const std::type_info& _type) const override { return typeid(DerivedType) == _type || Base::isType(_type); } \
59 \
60 template<typename Type> bool isType() const { return isType(typeid(Type)); }
61
62} // namespace MyGUI
63
64#endif // MYGUI_RTTI_H_
MyGUI_Diagnostic.h
MyGUI_Prerequest.h
MyGUI
Definition MyGUI_ActionController.h:15