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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "diriterator.h"
#include "../filepath.h"
#include "../stringutils.h"
#include <QtCore/private/qabstractfileengine_p.h>
#include <QtGlobal>
namespace Utils::Internal {
class FixedListFSEngine : public QAbstractFileEngine
{
const FilePath m_filePath;
FilePaths m_children;
public:
FixedListFSEngine(FilePath path, const FilePaths children)
: m_filePath(std::move(path))
, m_children(std::move(children))
{
m_children.prepend(m_filePath.pathAppended("."));
}
// QAbstractFileEngine interface
public:
bool isRelativePath() const override { return false; }
FileFlags fileFlags(FileFlags /*type*/) const override
{
return FileFlag::DirectoryType | FileFlag::ExistsFlag | FileFlag::ReadGroupPerm
| FileFlag::ReadUserPerm | FileFlag::ReadOwnerPerm | FileFlag::ReadOtherPerm;
}
QString fileName(FileName file) const override
{
switch (file) {
case QAbstractFileEngine::AbsoluteName:
case QAbstractFileEngine::DefaultName:
case QAbstractFileEngine::CanonicalName:
return chopIfEndsWith(m_filePath.toFSPathString(), '/');
break;
case QAbstractFileEngine::BaseName:
if (m_filePath.fileName().isEmpty())
return m_filePath.host().toString();
return m_filePath.fileName();
break;
case QAbstractFileEngine::PathName:
case QAbstractFileEngine::AbsolutePathName:
case QAbstractFileEngine::CanonicalPathName:
return chopIfEndsWith(m_filePath.parentDir().toFSPathString(), '/');
break;
default:
// case QAbstractFileEngine::LinkName:
// case QAbstractFileEngine::BundleName:
// case QAbstractFileEngine::JunctionName:
return {};
break;
}
return QAbstractFileEngine::fileName(file);
}
#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
QAbstractFileEngine::IteratorUniquePtr beginEntryList(
const QString &path,
QDirListing::IteratorFlags itFlags,
const QStringList &filterNames) override
{
// We do not support recursive or following symlinks for the Fixed List engine.
Q_ASSERT(itFlags.testFlag(QDirListing::IteratorFlag::Recursive) == false);
const auto [filters, _] = convertQDirListingIteratorFlags(itFlags);
return std::make_unique<DirIterator>(m_children, path, filters, filterNames);
}
#else
Iterator *beginEntryList(QDir::Filters /*filters*/, const QStringList & /*filterNames*/) override
{
return new DirIterator(m_children);
}
#endif
};
} // namespace Utils::Internal
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