libcruft-util/parse.hpp

/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright 2017 Danny Robson <danny@nerdcruft.net>
 */

#ifndef CRUFT_UTIL_PARSE_HPP
#define CRUFT_UTIL_PARSE_HPP

#include "view.hpp"

#include <cstring>
#include <string>
#include <iterator>


namespace cruft {
    ///////////////////////////////////////////////////////////////////////////
    /// extracts an instance of a native type T from the string [first, last).
    ///
    /// throws std::invalid_argument when the type cannot be parsed.
    template <typename T>
    T parse (cruft::view<const char *>);


    //-------------------------------------------------------------------------
    template <typename T>
    T parse (const char *str)
    {
        return parse<T> (make_view (str));
    }


    //-------------------------------------------------------------------------
    template <typename T>
    T
    parse (const std::string &str)
    {
        return parse<T> (make_view (str));
    }
}

#endif