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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_BASE_SOLVER_PROBLEMS_HPP
#define LIBDNF5_BASE_SOLVER_PROBLEMS_HPP
#include "goal_elements.hpp"
#include "libdnf5/defs.h"
namespace libdnf5::base {
/// Represent problems detected by a RPM solver (libsolv)
class LIBDNF_API SolverProblems {
public:
/// Public constructor
SolverProblems(
const std::vector<std::vector<std::pair<libdnf5::ProblemRules, std::vector<std::string>>>> & problems);
SolverProblems(const SolverProblems & src);
SolverProblems(SolverProblems && src) noexcept;
SolverProblems & operator=(const SolverProblems & src);
SolverProblems & operator=(SolverProblems && src) noexcept;
~SolverProblems();
/// Provide information about package solver problems in a vector. Each problem can be transformed to string by
/// package_solver_problem_to_string or all problems to a string by all_package_solver_problems_to_string().
///
/// @return Vector of problems encountered by the solver. Each problem is described by a vector of "rule breakages"
/// (TODO(lukash) try to find a better name for this) stored
/// in a `std::pair<libdnf5::ProblemRules, std::vector<std::string>>`, where the first of the pair is a rule breakage
/// identifier and the second is a list of string identifiers which are the subjects of the rule breakage. These can
/// be rendered into a string by the `problem_to_string()` method.
// @replaces libdnf/Goal.describeProblemRules(unsigned i, bool pkgs);
// @replaces libdnf/Goal.describeAllProblemRules(bool pkgs);
std::vector<std::vector<std::pair<libdnf5::ProblemRules, std::vector<std::string>>>> get_problems() const;
/// Convert SolverProblems class to string representative;
std::string to_string() const;
/// Convert particular package solver problem to a string;
static std::string problem_to_string(const std::pair<libdnf5::ProblemRules, std::vector<std::string>> & raw);
private:
friend class Transaction;
class LIBDNF_LOCAL Impl;
std::unique_ptr<Impl> p_impl;
};
} // namespace libdnf5::base
#endif // LIBDNF5_BASE_SOLVER_PROBLEMS_HPP
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