ErrorString.h

/*
 * Copyright 2017-2025 Dmitry Ivanov
 *
 * This file is part of libquentier
 *
 * libquentier 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, version 3 of the License.
 *
 * libquentier 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 libquentier. If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <quentier/utility/Printable.h>
 
#include <QSharedDataPointer>
 
namespace quentier {
 
class ErrorStringData;
 
class QUENTIER_EXPORT ErrorString : public utility::Printable
{
public:
    explicit ErrorString(const char * error = nullptr);
    explicit ErrorString(const QString & error);
 
    ErrorString(const ErrorString & other);
    ErrorString(ErrorString && other) noexcept;
 
    ErrorString & operator=(const ErrorString & other);
    ErrorString & operator=(ErrorString && other) noexcept;
 
    ~ErrorString() override;
 
    [[nodiscard]] const QString & base() const noexcept;
    [[nodiscard]] QString & base();
 
    [[nodiscard]] const QStringList & additionalBases() const noexcept;
    [[nodiscard]] QStringList & additionalBases();
 
    [[nodiscard]] const QString & details() const noexcept;
    [[nodiscard]] QString & details();
 
    void setBase(QString error);
    void setBase(const char * error);
 
    void appendBase(const QString & error);
    void appendBase(const QStringList & errors);
    void appendBase(const char * error);
 
    void setDetails(const QString & error);
    void setDetails(const char * error);
 
    [[nodiscard]] bool isEmpty() const;
    void clear();
 
    [[nodiscard]] QString localizedString() const;
    [[nodiscard]] QString nonLocalizedString() const;
 
    QTextStream & print(QTextStream & strm) const override;
 
private:
    QSharedDataPointer<ErrorStringData> d;
};
 
[[nodiscard]] QUENTIER_EXPORT bool operator==(
    const ErrorString & lhs, const ErrorString & rhs) noexcept;
 
[[nodiscard]] QUENTIER_EXPORT bool operator!=(
    const ErrorString & lhs, const ErrorString & rhs) noexcept;
 
} // namespace quentier