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** Copyright (C) 2019 The Qt Company Ltd.
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** GNU General Public License Usage
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** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#pragma once

#include <QDataStream>

#include <vector>

namespace ClangBackEnd {
class DirectoryPathId
{
public:
    constexpr DirectoryPathId() = default;

    DirectoryPathId(const char *) = delete;

    DirectoryPathId(int directoryPathId)
        : directoryPathId(directoryPathId)
    {}

    bool isValid() const { return directoryPathId >= 0; }

    friend bool operator==(DirectoryPathId first, DirectoryPathId second)
    {
        return first.isValid() && first.directoryPathId == second.directoryPathId;
    }

    friend bool operator!=(DirectoryPathId first, DirectoryPathId second)
    {
        return !(first == second);
    }

    friend bool operator<(DirectoryPathId first, DirectoryPathId second)
    {
        return first.directoryPathId < second.directoryPathId;
    }

    friend QDataStream &operator<<(QDataStream &out, const DirectoryPathId &directoryPathId)
    {
        out << directoryPathId.directoryPathId;

        return out;
    }

    friend QDataStream &operator>>(QDataStream &in, DirectoryPathId &directoryPathId)
    {
        in >> directoryPathId.directoryPathId;

        return in;
    }

public:
    int directoryPathId = -1;
};

using DirectoryPathIds = std::vector<DirectoryPathId>;

} // namespace ClangBackEnd