qt-creator/src/libs/clangbackendipc/filepath.h

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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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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 "clangbackendipc_global.h"

#include <utils/smallstringio.h>

#include <QDataStream>

namespace ClangBackEnd {

class FilePath
{
public:
    FilePath() = default;
    explicit FilePath(const QString &filePath)
    {
        Utils::SmallString utf8FilePath = filePath;

        auto foundReverse = std::find(utf8FilePath.rbegin(), utf8FilePath.rend(), '/');
        auto found = foundReverse.base();

        Utils::SmallString fileName(found, utf8FilePath.end());
        if (foundReverse != utf8FilePath.rend())
            utf8FilePath.resize(std::size_t(std::distance(utf8FilePath.begin(), --found)));

        directory_ = std::move(utf8FilePath);
        name_ = std::move(fileName);
    }

    FilePath(Utils::SmallString &&directory, Utils::SmallString &&name)
        : directory_(std::move(directory)),
          name_(std::move(name))
    {}

    const Utils::SmallString &directory() const
    {
        return directory_;
    }

    Utils::SmallString takeDirectory()
    {
        return std::move(directory_);
    }

    const Utils::SmallString &name() const
    {
        return name_;
    }

    Utils::SmallString takeName()
    {
        return std::move(name_);
    }

    friend QDataStream &operator<<(QDataStream &out, const FilePath &filePath)
    {
        out << filePath.directory_;
        out << filePath.name_;

        return out;
    }

    friend QDataStream &operator>>(QDataStream &in, FilePath &filePath)
    {
        in >> filePath.directory_;
        in >> filePath.name_;

        return in;
    }

    friend std::ostream &operator<<(std::ostream &out, const FilePath &filePath)
    {
        out << filePath.directory() << "/" << filePath.name();

        return out;
    }

    friend bool operator==(const FilePath &first, const FilePath &second)
    {
        return first.name_ == second.name_
            && first.directory_ == second.directory_;
    }

    FilePath clone() const
    {
        return FilePath(directory_.clone(), name_.clone());
    }

private:
    Utils::SmallString directory_;
    Utils::SmallString name_;
};

CMBIPC_EXPORT QDebug operator<<(QDebug debug, const FilePath &filePath);
void PrintTo(const FilePath &filePath, ::std::ostream* os);

} // namespace ClangBackEnd