parser.hpp

/*******************************************************************************
 * Copyright (C) 2025-2026 Theodore Chang
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
 
#ifndef PARSER_HPP
#define PARSER_HPP
 
#include <iterator>
#include <sstream>
#include <vector>
 
namespace ezp::detail {
    struct cli_arg {
        std::string token;
        int value;
    };
 
    inline auto parse(const std::string& command) {
        std::istringstream iss(command);
        auto current = std::istream_iterator<std::string>(iss);
        const auto end = std::istream_iterator<std::string>();
 
        std::vector<cli_arg> args;
 
        while(current != end) {
            cli_arg arg{*current++, 0};
            if(!arg.token.starts_with("--")) continue;
            if(current == end) break;
            try {
                arg.value = std::stoi(*current);
                args.push_back(arg);
                ++current;
            }
            catch(...) {
            }
        }
 
        return args;
    }
} // namespace ezp::detail
 
#endif