union.h

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

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#ifndef Pegasus_Union_h
#define Pegasus_Union_h

#include <Pegasus/Common/Config.h>

PEGASUS_NAMESPACE_BEGIN

struct StringRep;

/** This union is used to represent the values of properties, qualifiers,
    method return values, and method arguments. All of the types
    defined in CIMType.h are represented by a Union. The
    Union is used as the the basis for the CIMValue implementation.
*/
union Union
{
    Boolean _booleanValue;
    Uint8 _uint8Value;
    Sint8 _sint8Value;
    Uint16 _uint16Value;
    Sint16 _sint16Value;
    Uint32 _uint32Value;
    Sint32 _sint32Value;
    Uint64 _uint64Value;
    Sint64 _sint64Value;
    Real32 _real32Value;
    Real64 _real64Value;
    Uint16 _char16Value;
    char _stringValue[sizeof(void*)];
    char _dateTimeValue[sizeof(void*)];
    char _referenceValue[sizeof(void*)];
    char _objectValue[sizeof(void*)];
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    char _instanceValue[sizeof(void*)];
#endif // PEGASUS_EMBEDDED_INSTANCE_SUPPORT

    char _booleanArray[sizeof(void*)];
    char _uint8Array[sizeof(void*)];
    char _sint8Array[sizeof(void*)];
    char _uint16Array[sizeof(void*)];
    char _sint16Array[sizeof(void*)];
    char _uint32Array[sizeof(void*)];
    char _sint32Array[sizeof(void*)];
    char _uint64Array[sizeof(void*)];
    char _sint64Array[sizeof(void*)];
    char _real32Array[sizeof(void*)];
    char _real64Array[sizeof(void*)];
    char _char16Array[sizeof(void*)];
    char _stringArray[sizeof(void*)];
    char _dateTimeArray[sizeof(void*)];
    char _referenceArray[sizeof(void*)];
    char _objectArray[sizeof(void*)];
#ifdef PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    char _instanceArray[sizeof(void*)];
#endif // PEGASUS_EMBEDDED_INSTANCE_SUPPORT
    void* _voidPtr;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_Union_h */