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Part: GeometryDefaultExtensions template

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========================================

Generalisation of code for a default geometry extension in the form of a template.

Default geometry extensions provide a standard interface for an extension having a single stored value (e.g. one int or one string).

Python implementation must be provided separatedly.
This commit is contained in:
Abdullah Tahiri
2019-02-10 13:50:07 +01:00
committed by wmayer
parent 9bb2210c92
commit fb5e8b4df7
12 changed files with 189 additions and 253 deletions
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26
src/Base/BaseClass.h
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@@ -61,6 +61,15 @@ void * _class_::create(void){\
return new _class_ ();\
}
/// define to implement a subclass of Base::BaseClass
#define TYPESYSTEM_SOURCE_TEMPLATE_P(_class_) \
template<> Base::Type _class_::getClassTypeId(void) { return _class_::classTypeId; } \
template<> Base::Type _class_::getTypeId(void) const { return _class_::classTypeId; } \
template<> Base::Type _class_::classTypeId = Base::Type::badType(); \
template<> void * _class_::create(void){\
return new _class_ ();\
}
/// define to implement a subclass of Base::BaseClass
#define TYPESYSTEM_SOURCE_ABSTRACT_P(_class_) \
Base::Type _class_::getClassTypeId(void) { return _class_::classTypeId; } \
@@ -76,6 +85,13 @@ void _class_::init(void){\
initSubclass(_class_::classTypeId, #_class_ , #_parentclass_, &(_class_::create) ); \
}
/// define to implement a subclass of Base::BaseClass
#define TYPESYSTEM_SOURCE_TEMPLATE_T(_class_, _parentclass_) \
TYPESYSTEM_SOURCE_TEMPLATE_P(_class_);\
template<> void _class_::init(void){\
initSubclass(_class_::classTypeId, #_class_ , #_parentclass_, &(_class_::create) ); \
}
/// define to implement a subclass of Base::BaseClass
#define TYPESYSTEM_SOURCE_ABSTRACT(_class_, _parentclass_) \
TYPESYSTEM_SOURCE_ABSTRACT_P(_class_);\
@@ -88,9 +104,9 @@ namespace Base
/// BaseClass class and root of the type system
class BaseExport BaseClass
{
public:
static Type getClassTypeId(void);
virtual Type getTypeId(void) const;
public:
static Type getClassTypeId(void);
virtual Type getTypeId(void) const;
bool isDerivedFrom(const Type type) const {return getTypeId().isDerivedFrom(type);}
static void init(void);
@@ -99,7 +115,7 @@ public:
virtual void setPyObject(PyObject *);
static void *create(void){return 0;}
private:
private:
static Type classTypeId;
protected:
static void initSubclass(Base::Type &toInit,const char* ClassName, const char *ParentName, Type::instantiationMethod method=0);
@@ -124,7 +140,7 @@ template<typename T> T * freecad_dynamic_cast(Base::BaseClass * t)
else
return 0;
}
/**
* Template that works just like dynamic_cast, but expects the argument to
* inherit from a const Base::BaseClass.