File: option_bool.cpp

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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/>.

#include "libdnf5/conf/option_bool.hpp"

#include "libdnf5/utils/bgettext/bgettext-mark-domain.h"

#include <sstream>

namespace libdnf5 {

class OptionBool::Impl {
public:
    Impl(bool default_value, std::vector<std::string> && true_vals, std::vector<std::string> && false_vals)
        : true_values(std::make_unique<std::vector<std::string>>(std::move(true_vals))),
          false_values(std::make_unique<std::vector<std::string>>(std::move(false_vals))),
          default_value(default_value),
          value(default_value) {}

    Impl(bool default_value) : default_value(default_value), value(default_value) {}

    Impl(const OptionBool::Impl & src) : default_value(src.default_value), value(src.value) {
        if (src.true_values) {
            true_values = std::make_unique<std::vector<std::string>>(*src.true_values);
        }
        if (src.false_values) {
            false_values = std::make_unique<std::vector<std::string>>(*src.false_values);
        }
    }

private:
    friend OptionBool;

    std::unique_ptr<std::vector<std::string>> true_values;
    std::unique_ptr<std::vector<std::string>> false_values;
    bool default_value;
    bool value;
};

OptionBool::OptionBool(const OptionBool & src) = default;

OptionBool::OptionBool(bool default_value, std::vector<std::string> true_vals, std::vector<std::string> false_vals)
    : Option(Priority::DEFAULT),
      p_impl(new Impl(default_value, std::move(true_vals), std::move(false_vals))) {}

OptionBool::OptionBool(bool default_value) : Option(Priority::DEFAULT), p_impl(new Impl(default_value)) {}

OptionBool::~OptionBool() = default;

bool OptionBool::from_string(const std::string & value) const {
    auto tmp_value = value;
    // Case insensitive conversion. Convert input value to lower case first.
    for (auto & ch : tmp_value) {
        ch = static_cast<char>(std::tolower(static_cast<unsigned char>(ch)));
    }
    for (auto & false_value : get_false_values()) {
        if (tmp_value == false_value) {
            return false;
        }
    }
    for (auto & true_value : get_true_values()) {
        if (tmp_value == true_value) {
            return true;
        }
    }
    throw OptionInvalidValueError(M_("Invalid boolean value \"{}\""), value);
}

void OptionBool::set(Priority priority, bool value) {
    assert_not_locked();

    if (priority >= get_priority()) {
        p_impl->value = value;
        set_priority(priority);
    }
}

void OptionBool::set(bool value) {
    set(Priority::RUNTIME, value);
}

void OptionBool::set(Priority priority, const std::string & value) {
    set(priority, from_string(value));
}

void OptionBool::set(const std::string & value) {
    set(Priority::RUNTIME, value);
}

std::string OptionBool::to_string(bool value) const {
    std::ostringstream oss;
    oss << value;
    return oss.str();
}

OptionBool * OptionBool::clone() const {
    return new OptionBool(*this);
}

void OptionBool::test(bool /*unused*/) const {}

bool OptionBool::get_value() const noexcept {
    return p_impl->value;
}

bool OptionBool::get_default_value() const noexcept {
    return p_impl->default_value;
}

std::string OptionBool::get_value_string() const {
    return to_string(p_impl->value);
}

const std::vector<std::string> & OptionBool::get_default_true_values() noexcept {
    static std::vector<std::string> true_values = {"1", "yes", "true", "on"};
    return true_values;
}

const std::vector<std::string> & OptionBool::get_default_false_values() noexcept {
    static std::vector<std::string> false_values = {"0", "no", "false", "off"};
    return false_values;
}

const std::vector<std::string> & OptionBool::get_true_values() const noexcept {
    return p_impl->true_values ? *p_impl->true_values : get_default_true_values();
}

const std::vector<std::string> & OptionBool::get_false_values() const noexcept {
    return p_impl->false_values ? *p_impl->false_values : get_default_false_values();
}

}  // namespace libdnf5