C++ Example

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The C++ code generated for the example schema above is as follows:

class AOrBOrBothType_1 : public OSRTBaseType {
public:
   struct {
      unsigned bPresent : 1;
   } m;
   OSXMLStringClass a;
   OSXMLStringClass b;

   ...
} ;

class AOrBOrBothType : public OSRTBaseType {
public:
   // tag constants
   enum {
      T__seq1 = 1,
      T_b = 2
   } ;
   OSUINT16 t;
   union {
      /* t = 1 */
      AOrBOrBothType_1 *_seq1;
      /* t = 2 */
      OSXMLStringClass *b;
   } u;

   ...

   inline AOrBOrBothType_1* get__seq1 () {
      return u._seq1;
   }
   inline OSBOOL is__seq1 () {
      return (t == T__seq1);
   }
   void set__seq1 (const AOrBOrBothType_1& value);

   inline OSXMLStringClass* get_b () {
      return u.b;
   }
   inline OSBOOL is_b () {
      return (t == T_b);
   }
   void set_b (const OSXMLStringClass& value);
} ;

This shows the generated get/set methods as well as the generated member variables in the class. If the user wanted to set the class to the nested sequence value, the set__seq1 method could be used. If the user wanted to determine if the b element was selected in the class and then get the value, the following code snippet could be used (object is assumed to be an instance of the AOrBOrBothType class):

	if (object.is_b()) {
	   OSXMLStringClass* value = object.get_b();
	}