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#ifndef Rcpp_NoProtectStorage_h
#define Rcpp_NoProtectStorage_h
namespace Rcpp{
template <typename CLASS>
class NoProtectStorage {
public:
NoProtectStorage() : data(R_NilValue){}
~NoProtectStorage(){
data = R_NilValue;
}
inline void set__(SEXP x){
data = x ;
// calls the update method of CLASS
// this is where to react to changes in the underlying SEXP
static_cast<CLASS&>(*this).update(data) ;
}
inline SEXP get__() const {
return data ;
}
inline SEXP invalidate__(){
data = R_NilValue ;
return data ;
}
inline CLASS& copy__(const CLASS& other){
if( this != &other){
set__(other.get__());
}
return static_cast<CLASS&>(*this) ;
}
inline bool inherits(const char* clazz) const {
return ::Rf_inherits( data, clazz) ;
}
inline operator SEXP() const {
return data;
}
private:
SEXP data ;
} ;
}
#endif
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