// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
//
// RcppList.h: Rcpp R/C++ interface class library -- 'list' type support
//
// Copyright (C) 2009 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 RcppList_h
#define RcppList_h

#include <RcppCommon.h>

// This class was first used in the RProtoBuf project (currently on r-forge only)
// but is more generally useful and hence moved over here
class RcppList {
public:
    RcppList(void);
    ~RcppList();
    void setSize(int size);
    void append(std::string name, double value);
    void append(std::string name, int value);
    void append(std::string name, std::string value);
    //void append(std::string name, RcppDate& date);
    //void append(std::string name, RcppDatetime& datetime);
    void append(std::string name, SEXP sexp);
    void clearProtectionStack();
    SEXP getList(void) const;

protected:
    friend class RcppResultSet;

private:
    SEXP listArg;
    int listSize, currListPosn, numProtected;
    std::vector<std::string> names;
};

#endif