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/******************************************************************************\

* ___ __ *

* /\_ \ __/\ \ *

* \//\ \ /\_\ \ \____ ___ _____ _____ __ *

* \ \ \ \/\ \ \ '__`\ /'___\/\ '__`\/\ '__`\ /'__`\ *

* \_\ \_\ \ \ \ \L\ \/\ \__/\ \ \L\ \ \ \L\ \/\ \L\.\_ *

* /\____\\ \_\ \_,__/\ \____\\ \ ,__/\ \ ,__/\ \__/.\_\ *

* \/____/ \/_/\/___/ \/____/ \ \ \/ \ \ \/ \/__/\/_/ *

* \ \_\ \ \_\ *

* \/_/ \/_/ *

* *

* Copyright (C) 2011-2013 *

* Dominik Charousset <dominik.charousset@haw-hamburg.de> *

* *

* This file is part of libcppa. *

* libcppa is free software: you can redistribute it and/or modify it under *

* the terms of the GNU Lesser General Public License as published by the *

* Free Software Foundation; either version 2.1 of the License, *

* or (at your option) any later version. *

* *

* libcppa 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 Lesser General Public License for more details. *

* *

* You should have received a copy of the GNU Lesser General Public License *

* along with libcppa. If not, see <http://www.gnu.org/licenses/>. *

\******************************************************************************/

#ifndef CPPA_FROM_STRING_HPP

#define CPPA_FROM_STRING_HPP

#include <string>

#include <typeinfo>

#include <exception>

#include "cppa/object.hpp"

#include "cppa/uniform_type_info.hpp"

namespace cppa {

/**

* @brief Converts a string created by {@link cppa::to_string to_string}

* to its original value.

* @param what String representation of a serialized value.

* @returns An {@link cppa::object object} instance that contains

* the deserialized value.

*/

object from_string(const std::string& what);

/**

* @brief Convenience function that deserializes a value from @p what and

* converts the result to @p T.

* @throws std::logic_error if the result is not of type @p T.

* @returns The deserialized value as instance of @p T.

*/

template<typename T>

T from_string(const std::string& what) {

object o = from_string(what);

const std::type_info& tinfo = typeid(T);

if (tinfo == *(o.type())) {

return std::move(get_ref<T>(o));

}

else {

std::string error_msg = "expected type name ";

error_msg += uniform_typeid(tinfo)->name();

error_msg += " found ";

error_msg += o.type()->name();

throw std::logic_error(error_msg);

}

}

} // namespace cppa

#endif // CPPA_FROM_STRING_HPP