[Interest] how to add comments of member function defined with macro?

[tang ke]

Thanks very much.

On 02/27/2013 02:58 PM, Carel Combrink wrote:
>
>     My defined macro such as Q_OBJECT, the macro will define the common
>     member function.
>
>
> I have the same function, but instead of a macro I make use of 
> templates. This can be done since the metaObject can be obtained from 
> the staticMetaObject on the class. Using templates you get the same 
> behaviour but you do not need to create the function for each class, 
> but you make use of templates to do it for you only when you need to 
> call the function.
>
>          template  <class  object>
>          QString  enumToString(const  char*  enumName,  int  enumValue)  {
>              QString  enumString;
>              const  QMetaObject  metaObject  =  object::staticMetaObject;
>              int  enumIndex  =  metaObject.indexOfEnumerator(enumName);
>              if(enumIndex  ==  -1)  {
>                  /* The enum does not contain the specified enum */
>                  Q_ASSERT(enumIndex  !=  -1);
>                  return  enumString;
>              }
>              QMetaEnum  en  =  metaObject.enumerator(enumIndex);
>              enumString  =  en.valueToKey(enumValue);
>              return  enumString;
>          }
>          //--------------------------------------------------
>
> The implementation is a bit different but the idea is the same. 
> Perhaps you can use something similar to create a 'global' template 
> function that works on all QObjects that defines Q_ENUMS and then just 
> comment on that function.
>
> Regards,
> Carel


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