1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QDIR_P_H
5#define QDIR_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include "qfilesystementry_p.h"
19#include "qfilesystemmetadata_p.h"
20
21#include <QtCore/qmutex.h>
22
23#include <memory>
24
25QT_BEGIN_NAMESPACE
26
27class QDirPrivate : public QSharedData
28{
29public:
30 enum PathNormalization {
31 DefaultNormalization = 0x00,
32 UrlNormalizationMode = 0x01,
33 RemotePath = 0x02,
34 };
35 Q_DECLARE_FLAGS(PathNormalizations, PathNormalization)
36 Q_FLAGS(PathNormalizations)
37
38 explicit QDirPrivate(const QString &path, const QStringList &nameFilters_ = QStringList(),
39 QDir::SortFlags sort_ = QDir::SortFlags(QDir::Name | QDir::IgnoreCase),
40 QDir::Filters filters_ = QDir::AllEntries);
41
42 explicit QDirPrivate(const QDirPrivate &copy); // Copies everything except mutex and fileEngine
43
44 bool exists() const;
45
46 void initFileLists(const QDir &dir) const;
47
48 static void sortFileList(QDir::SortFlags, const QFileInfoList &, QStringList *, QFileInfoList *);
49
50 static inline QChar getFilterSepChar(const QString &nameFilter);
51
52 static inline QStringList splitFilters(const QString &nameFilter, QChar sep = {});
53
54 void setPath(const QString &path);
55
56 enum MetaDataClearing { KeepMetaData, IncludingMetaData };
57 void clearCache(MetaDataClearing mode);
58
59 QString resolveAbsoluteEntry() const;
60
61 QStringList nameFilters;
62 QDir::SortFlags sort;
63 QDir::Filters filters;
64
65 std::unique_ptr<QAbstractFileEngine> fileEngine;
66
67 QFileSystemEntry dirEntry;
68
69 struct FileCache
70 {
71 QMutex mutex;
72 QStringList files;
73 QFileInfoList fileInfos;
74 std::atomic<bool> fileListsInitialized = false;
75 QFileSystemEntry absoluteDirEntry;
76 QFileSystemMetaData metaData;
77 };
78 mutable FileCache fileCache;
79};
80
81Q_DECLARE_OPERATORS_FOR_FLAGS(QDirPrivate::PathNormalizations)
82
83Q_AUTOTEST_EXPORT bool qt_normalizePathSegments(QString *path, QDirPrivate::PathNormalizations flags);
84
85QT_END_NAMESPACE
86
87#endif
88

source code of qtbase/src/corelib/io/qdir_p.h