/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QBS_SOURCELOCATION_H
#define QBS_SOURCELOCATION_H

#include "qbs_export.h"

#include <QtCore/qdebug.h>
#include <QtCore/qshareddata.h>

QT_BEGIN_NAMESPACE
class QDataStream;
class QJsonObject;
class QString;
QT_END_NAMESPACE

namespace qbs {
namespace Internal { class PersistentPool; }

class QBS_EXPORT CodeLocation
{
    friend QBS_EXPORT bool operator==(const CodeLocation &cl1, const CodeLocation &cl2);
public:
    CodeLocation();
    explicit CodeLocation(const QString &aFilePath, int aLine = -1, int aColumn = -1,
                          bool checkPath = true);
    CodeLocation(const CodeLocation &other);
    CodeLocation(CodeLocation &&other) noexcept;
    CodeLocation &operator=(const CodeLocation &other);
    CodeLocation &operator=(CodeLocation &&other) noexcept;
    ~CodeLocation();

    QString filePath() const;
    int line() const;
    int column() const;

    bool isValid() const;
    QString toString() const;
    QJsonObject toJson() const;

    void load(Internal::PersistentPool &pool);
    void store(Internal::PersistentPool &pool) const;

private:
    class CodeLocationPrivate;
    QExplicitlySharedDataPointer<CodeLocationPrivate> d;
};

QBS_EXPORT bool operator==(const CodeLocation &cl1, const CodeLocation &cl2);
QBS_EXPORT bool operator!=(const CodeLocation &cl1, const CodeLocation &cl2);
QBS_EXPORT bool operator<(const CodeLocation &cl1, const CodeLocation &cl2);

inline auto qHash(const CodeLocation &cl) { return qHash(cl.toString()); }

QDebug operator<<(QDebug debug, const CodeLocation &location);

} // namespace qbs

#endif // QBS_SOURCELOCATION_H
