TypeId.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#pragma ident "%Z%%M% %I% %E% SMI"
#ifndef TypeId_INCLUDED
#define TypeId_INCLUDED 1
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
class SP_API TypeId {
public:
TypeId(const void *const *bases) : bases_(bases) { }
// Is this object of type ti?
int isA(TypeId ti) const;
// Can an object with this dynamic type be cast from a static type FROM
// to a static type TO?
int canCast(TypeId to, TypeId from) const;
int operator==(TypeId ti) const { return bases_ == ti.bases_; }
int operator!=(TypeId ti) const { return bases_ != ti.bases_; }
private:
const void *const *bases_;
};
#ifdef SP_NAMESPACE
}
#endif
#endif /* not TypeId_INCLUDED */