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List.h

Go to the documentation of this file.

/* SimData: Data Infrastructure for Simulations
 * Copyright (C) 2002 Mark Rose <tm2@stm.lbl.gov>
 * 
 * This file is part of SimData.
 * 
 * This program 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.
 * 
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef __SIMDATA_LIST_H__
#define __SIMDATA_LIST_H__

#include <string>
#include <vector>
#include <SimData/BaseType.h>
#include <SimData/Archive.h>


NAMESPACE_SIMDATA


class ListBase: public BaseType {
public:
        virtual ~ListBase() {}
};


template <class T> class List: public ListBase, public std::vector<T> {

public:

        ~List() {}

        // can be used by python code to extend a list of unknown type, 
        // assigning or operating on the added element as necessary.
        T& extend();

        virtual void serialize(Archive&);

        std::string asString() const;

};


template<typename T>
T& List<T>::extend() {
        T x;
        this->push_back(x);
        return this->operator[](this->size()-1);
}

template<typename T>
void List<T>::serialize(Archive &archive) {
        if (archive.isLoading()) {
                T a;
                int size;
                archive(size);
                assert(size >= 0);
                this->clear();
                this->reserve(size);
                for (int i = 0; i < size; ++i) {
                        archive(a);
                        this->push_back(a);
                }
        } else {
                typename std::vector<T>::iterator a;
                int s = static_cast<int>(size());
                archive(s);
                for (a=begin(); a!=end(); ++a) {
                        archive(*a);
                }
        }
}

template<typename T>
std::string List<T>::asString() const {
        std::stringstream ss;
        ss << "<simdata::List[" << size() << ">";
        return ss.str();
}


NAMESPACE_SIMDATA_END


#endif //__SIMDATA_LIST_H__

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