1/****************************************************************************
2**
3** Copyright (C) 2014 Ivan Komissarov <[email protected]>
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtCore module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QSTORAGEINFO_H
41#define QSTORAGEINFO_H
42
43#include <QtCore/qbytearray.h>
44#include <QtCore/qdir.h>
45#include <QtCore/qlist.h>
46#include <QtCore/qmetatype.h>
47#include <QtCore/qstring.h>
48#include <QtCore/qshareddata.h>
49
50QT_BEGIN_NAMESPACE
51
52class QDebug;
53
54class QStorageInfoPrivate;
55class Q_CORE_EXPORT QStorageInfo
56{
57public:
58 QStorageInfo();
59 explicit QStorageInfo(const QString &path);
60 explicit QStorageInfo(const QDir &dir);
61 QStorageInfo(const QStorageInfo &other);
62 ~QStorageInfo();
63
64 QStorageInfo &operator=(const QStorageInfo &other);
65 QStorageInfo &operator=(QStorageInfo &&other) noexcept { swap(other); return *this; }
66
67 inline void swap(QStorageInfo &other) noexcept
68 { qSwap(value1&: d, value2&: other.d); }
69
70 void setPath(const QString &path);
71
72 QString rootPath() const;
73 QByteArray device() const;
74 QByteArray subvolume() const;
75 QByteArray fileSystemType() const;
76 QString name() const;
77 QString displayName() const;
78
79 qint64 bytesTotal() const;
80 qint64 bytesFree() const;
81 qint64 bytesAvailable() const;
82 int blockSize() const;
83
84 inline bool isRoot() const;
85 bool isReadOnly() const;
86 bool isReady() const;
87 bool isValid() const;
88
89 void refresh();
90
91 static QList<QStorageInfo> mountedVolumes();
92 static QStorageInfo root();
93
94private:
95 friend class QStorageInfoPrivate;
96 friend bool operator==(const QStorageInfo &first, const QStorageInfo &second);
97 friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QStorageInfo &);
98 QExplicitlySharedDataPointer<QStorageInfoPrivate> d;
99};
100
101inline bool operator==(const QStorageInfo &first, const QStorageInfo &second)
102{
103 if (first.d == second.d)
104 return true;
105 return first.device() == second.device() && first.rootPath() == second.rootPath();
106}
107
108inline bool operator!=(const QStorageInfo &first, const QStorageInfo &second)
109{
110 return !(first == second);
111}
112
113inline bool QStorageInfo::isRoot() const
114{ return *this == QStorageInfo::root(); }
115
116Q_DECLARE_SHARED(QStorageInfo)
117
118#ifndef QT_NO_DEBUG_STREAM
119Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QStorageInfo &);
120#endif
121
122QT_END_NAMESPACE
123
124Q_DECLARE_METATYPE(QStorageInfo)
125
126#endif // QSTORAGEINFO_H
127

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