newDateVector.h

Go to the documentation of this file.

// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
//
// newDateVector.h: Rcpp R/C++ interface class library -- Date vector support
//
// Copyright (C) 2016         Dirk Eddelbuettel
//
// 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__newDateVector_h
#define Rcpp__newDateVector_h
 
#include <RcppCommon.h>
 
namespace Rcpp {
 
    class newDateVector : public NumericVector {
    public:
        template <int RTYPE, bool NA, typename VEC>
        newDateVector(const VectorBase<RTYPE,NA,VEC>& vec) : NumericVector(vec) {
            setClass();
        }
 
        newDateVector(SEXP vec) : NumericVector(vec) { setClass(); }
        newDateVector(int n) : NumericVector(n) { setClass(); }
 
        inline std::vector<Date> getDates() const {
            size_t n = this->size();
            std::vector<Date> v(n);
            for (size_t i=0; i<n; i++)
                v[i] = (*this)[i];
            return v;
        }
 
        inline newDateVector &operator=(const newDateVector &rhs) {
            if (this != &rhs) {
                NumericVector::operator=(rhs);
            }
 
            return *this;
        }
 
        friend inline std::ostream &operator<<(std::ostream & s, const newDateVector d);
 
    private:
 
        void setClass() {
            Shield<SEXP> dateclass(Rf_mkString("Date"));
            Rf_setAttrib(*this, R_ClassSymbol, dateclass);
        }
    };
 
    inline std::ostream &operator<<(std::ostream & os, const newDateVector d) {
        size_t n = d.size();
        for (size_t i=0; i<n; i++) {
            os << Date(d[i]).format() << " ";
            if ((i+1) % 8 == 0) os << "\n";
        }
        return os;
    }
}
 
#endif