argument_token.hpp

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// Copyright (c) 2023-2026 Jakub Musiał
// This file is part of the CPP-ARGON project (https://github.com/SpectraL519/cpp-argon).
// Licensed under the MIT License. See the LICENSE file in the project root for full license information.
 
 
#pragma once
 
#include "argon/detail/argument_base.hpp"
 
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
 
namespace argon::detail {
 
struct argument_token {
 using arg_ptr_t = std::shared_ptr<detail::argument_base>; 
 using arg_ptr_vec_t = std::vector<arg_ptr_t>;
 
 enum class token_type : std::uint8_t {
 t_value, 
 t_flag_primary, 
 t_flag_secondary, 
 t_flag_compound 
    };
 using enum token_type;
 
 bool operator==(const argument_token& other) const noexcept {
 return this->type == other.type and this->value == other.value;
    }
 
    [[nodiscard]] bool is_flag_token() const noexcept {
 switch (this->type) {
 case t_flag_primary:
            [[fallthrough]];
 case t_flag_secondary:
            [[fallthrough]];
 case t_flag_compound:
 return true;
 default:
 return false;
        }
    }
 
    [[nodiscard]] bool is_valid_flag_token() const noexcept {
 return this->is_flag_token() and not this->args.empty();
    }
 
 token_type type; 
    std::string value; 
 arg_ptr_vec_t args = {}; 
};
 
} // namespace argon::detail