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// Copyright Contributors to the DNF5 project.
// Copyright Contributors to the libdnf project.
// SPDX-License-Identifier: LGPL-2.1-or-later
//
// This file is part of libdnf: https://github.com/rpm-software-management/libdnf/
//
// Libdnf 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.
//
// Libdnf 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 libdnf. If not, see <https://www.gnu.org/licenses/>.
#ifndef LIBDNF5_CONF_OPTION_BINDS_HPP
#define LIBDNF5_CONF_OPTION_BINDS_HPP
#include "option.hpp"
#include "option_binds_errors.hpp"
#include "libdnf5/defs.h"
#include <functional>
#include <map>
namespace libdnf5 {
/// Maps the options names (text names read from config file, command line, ...) to options objects.
/// Supports user defined functions for processing new value and converting value to string.
class LIBDNF_API OptionBinds {
public:
/// Extends the option with user-defined functions for processing a new value and converting value to a string.
/// It is used as additional level of processing when the option is accessed by its text name.
class Item final {
public:
using NewStringFunc = std::function<void(Option::Priority, const std::string &)>;
using GetValueStringFunc = std::function<const std::string &()>;
~Item();
Option::Priority get_priority() const;
void new_string(Option::Priority priority, const std::string & value);
std::string get_value_string() const;
bool get_is_append_option() const;
private:
friend class OptionBinds;
LIBDNF_LOCAL Item(
Option & option, NewStringFunc new_string_func, GetValueStringFunc get_value_string_func, bool add_value);
LIBDNF_LOCAL explicit Item(Option & option);
class LIBDNF_LOCAL Impl;
ImplPtr<Impl> p_impl;
};
using Container = std::map<std::string, Item>;
using iterator = Container::iterator;
using const_iterator = Container::const_iterator;
OptionBinds();
OptionBinds(const OptionBinds & src);
~OptionBinds();
Item & add(
std::string id,
Option & option,
Item::NewStringFunc new_string_func,
Item::GetValueStringFunc get_value_string_func,
bool add_value);
Item & add(std::string id, Option & option);
Item & at(const std::string & id);
const Item & at(const std::string & id) const;
bool empty() const noexcept;
std::size_t size() const noexcept;
iterator begin() noexcept;
const_iterator begin() const noexcept;
const_iterator cbegin() const noexcept;
iterator end() noexcept;
const_iterator end() const noexcept;
const_iterator cend() const noexcept;
iterator find(const std::string & id);
const_iterator find(const std::string & id) const;
private:
class LIBDNF_LOCAL Impl;
ImplPtr<Impl> p_impl;
};
} // namespace libdnf5
#endif
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