serializer.h

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/*
 * Dune D3D library - Tobias Alexander Franke 2014
 * For copyright and license see LICENSE
 * http://www.tobias-franke.eu
 */

#ifndef DUNE_SERIALIZER
#define DUNE_SERIALIZER

#include "exception.h"

#include <boost/any.hpp>
#include <map>

#include "unicode.h"

namespace dune
{
    typedef int BOOL;

    class serializer
    {
    protected:
        std::map<tstring, tstring> properties_;

    public:
        void save(const tstring& filename);

        void load(const tstring& filename);

        template<typename T>
        T get(const tstring& key) const
        {
            auto i = properties_.find(key);

            if (i == properties_.end())
                throw dune::exception(L"Unknown key: " + key);

            T value;
            tstringstream ss(i->second);

            ss >> std::boolalpha >> value;
            return value;
        }

        template<typename T>
        void put(const tstring& key, const T& value)
        {
            tstringstream ss;
            ss << value;
            properties_[key] = ss.str();
        }

        // Special case for type BOOL
        template<>
        void put(const tstring& key, const BOOL& value)
        {
            tstringstream ss;

            // BOOL is actually int, meh
            if (value == 0)
                ss << std::boolalpha << false;
            else if (value == 1)
                ss << std::boolalpha << true;
            else
                ss << value;

            properties_[key] = ss.str();
        }
    };
}

#endif