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ProtectedProxy.h
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41 lines (30 loc) · 891 Bytes
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#ifndef Rcpp_ProtectedProxy_h
#define Rcpp_ProtectedProxy_h
namespace Rcpp{
template <class XPtrClass>
class ProtectedProxy : public GenericProxy<ProtectedProxy<XPtrClass>> {
public:
ProtectedProxy( XPtrClass& xp_ ): xp(xp_){}
template <typename U>
ProtectedProxy& operator=( const U& u) {
return set( wrap(u) );
}
template <typename U>
operator U() const {
return as<U>(get());
}
operator SEXP() const{
return get() ;
}
private:
XPtrClass& xp ;
inline SEXP get() const {
return R_ExternalPtrProtected(xp) ;
}
inline ProtectedProxy& set( SEXP x){
R_SetExternalPtrProtected( xp, x ) ;
return *this ;
}
} ;
}
#endif