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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
//
// is.h: Rcpp R/C++ interface class library -- is implementations
//
// Copyright (C) 2013 - 2015 Dirk Eddelbuettel and Romain Francois
//
// This file is part of Rcpp.
//
// Rcpp is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// Rcpp is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
#ifndef Rcpp_api_meat_is_h
#define Rcpp_api_meat_is_h
namespace Rcpp {
namespace internal {
inline bool is_atomic(SEXP x) { return Rf_length(x) == 1; }
inline bool is_matrix(SEXP x) {
SEXP dim = Rf_getAttrib( x, R_DimSymbol);
return dim != R_NilValue && Rf_length(dim) == 2;
}
template <> inline bool is__simple<int>(SEXP x) {
return is_atomic(x) && TYPEOF(x) == INTSXP;
}
template <> inline bool is__simple<double>(SEXP x) {
return is_atomic(x) && TYPEOF(x) == REALSXP;
}
template <> inline bool is__simple<bool>(SEXP x) {
return is_atomic(x) && TYPEOF(x) == LGLSXP;
}
template <> inline bool is__simple<std::string>(SEXP x) {
return is_atomic(x) && TYPEOF(x) == STRSXP;
}
template <> inline bool is__simple<String>(SEXP x) {
return is_atomic(x) && TYPEOF(x) == STRSXP;
}
template <> inline bool is__simple<Rcomplex>(SEXP x) {
return is_atomic(x) && TYPEOF(x) == CPLXSXP;
}
template <> inline bool is__simple<CharacterVector>(SEXP x) {
return TYPEOF(x) == STRSXP;
}
template <> inline bool is__simple<CharacterMatrix>(SEXP x) {
return TYPEOF(x) == STRSXP && is_matrix(x);
}
template <> inline bool is__simple<RObject>(SEXP) {
return true;
}
template <> inline bool is__simple<IntegerVector>(SEXP x) {
return TYPEOF(x) == INTSXP;
}
template <> inline bool is__simple<ComplexVector>(SEXP x) {
return TYPEOF(x) == CPLXSXP;
}
template <> inline bool is__simple<RawVector>(SEXP x) {
return TYPEOF(x) == RAWSXP;
}
template <> inline bool is__simple<NumericVector>(SEXP x) {
return TYPEOF(x) == REALSXP;
}
template <> inline bool is__simple<LogicalVector>(SEXP x) {
return TYPEOF(x) == LGLSXP;
}
template <> inline bool is__simple<Language>(SEXP x) {
return TYPEOF(x) == LANGSXP;
}
template <> inline bool is__simple<DottedPair>(SEXP x) {
return (TYPEOF(x) == LANGSXP) || (TYPEOF(x) == LISTSXP);
}
template <> inline bool is__simple<List>(SEXP x) {
return TYPEOF(x) == VECSXP;
}
template <> inline bool is__simple<IntegerMatrix>(SEXP x) {
return TYPEOF(x) == INTSXP && is_matrix(x);
}
template <> inline bool is__simple<ComplexMatrix>(SEXP x) {
return TYPEOF(x) == CPLXSXP && is_matrix(x);
}
template <> inline bool is__simple<RawMatrix>(SEXP x) {
return TYPEOF(x) == RAWSXP && is_matrix(x);
}
template <> inline bool is__simple<NumericMatrix>(SEXP x) {
return TYPEOF(x) == REALSXP && is_matrix(x);
}
template <> inline bool is__simple<LogicalMatrix>(SEXP x) {
return TYPEOF(x) == LGLSXP && is_matrix(x);
}
template <> inline bool is__simple<GenericMatrix>(SEXP x) {
return TYPEOF(x) == VECSXP && is_matrix(x);
}
template <> inline bool is__simple<DataFrame>(SEXP x) {
if( TYPEOF(x) != VECSXP ) return false;
return Rf_inherits( x, "data.frame" );
}
template <> inline bool is__simple<WeakReference>(SEXP x) {
return TYPEOF(x) == WEAKREFSXP;
}
template <> inline bool is__simple<Symbol>(SEXP x) {
return TYPEOF(x) == SYMSXP;
}
template <> inline bool is__simple<S4>(SEXP x) {
return ::Rf_isS4(x);
}
template <> inline bool is__simple<Reference>(SEXP x) {
if( ! ::Rf_isS4(x) ) return false;
return ::Rf_inherits(x, "envRefClass" );
}
template <> inline bool is__simple<Promise>(SEXP x) {
return TYPEOF(x) == PROMSXP;
}
template <> inline bool is__simple<Pairlist>(SEXP x) {
return TYPEOF(x) == LISTSXP;
}
template <> inline bool is__simple<Function>(SEXP x) {
return TYPEOF(x) == CLOSXP || TYPEOF(x) == SPECIALSXP || TYPEOF(x) == BUILTINSXP;
}
template <> inline bool is__simple<Environment>(SEXP x) {
return TYPEOF(x) == ENVSXP;
}
template <> inline bool is__simple<Formula>(SEXP x) {
if( TYPEOF(x) != LANGSXP ) return false;
return Rf_inherits(x, "formula");
}
template <> inline bool is__simple<Date>(SEXP x) {
return is_atomic(x) && TYPEOF(x) == REALSXP && Rf_inherits(x, "Date");
}
template <> inline bool is__simple<Datetime>(SEXP x) {
return is_atomic(x) && TYPEOF(x) == REALSXP && Rf_inherits(x, "POSIXt");
}
template <> inline bool is__simple<DateVector>(SEXP x) {
return TYPEOF(x) == REALSXP && Rf_inherits(x, "Date");
}
template <> inline bool is__simple<DatetimeVector>(SEXP x) {
return TYPEOF(x) == REALSXP && Rf_inherits(x, "POSIXt");
}
#ifndef RCPP_NO_MODULES
inline bool is_module_object_internal(SEXP obj, const char* clazz){
Environment env(obj);
SEXP sexp = env.get(".cppclass");
if (TYPEOF(sexp) != EXTPTRSXP) return false;
XPtr<class_Base> xp(sexp);
return xp->has_typeinfo_name(clazz);
}
template <typename T> bool is__module__object(SEXP x) {
if (!is__simple<S4>(x)) return false;
typedef typename Rcpp::traits::un_pointer<T>::type CLASS;
return is_module_object_internal(x, typeid(CLASS).name());
}
#endif
} // namespace internal
} // namespace Rcpp
#endif
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