1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
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 #include "qfsfileengine_iterator_p.h"
41 #include "qfileinfo_p.h"
42 #include "qvariant.h"
43 
44 #ifndef QT_NO_FILESYSTEMITERATOR
45 
46 QT_BEGIN_NAMESPACE
47 
QFSFileEngineIterator(QDir::Filters filters,const QStringList & filterNames)48 QFSFileEngineIterator::QFSFileEngineIterator(QDir::Filters filters, const QStringList &filterNames)
49     : QAbstractFileEngineIterator(filters, filterNames)
50     , done(false)
51 {
52 }
53 
~QFSFileEngineIterator()54 QFSFileEngineIterator::~QFSFileEngineIterator()
55 {
56 }
57 
hasNext() const58 bool QFSFileEngineIterator::hasNext() const
59 {
60     if (!done && !nativeIterator) {
61         nativeIterator.reset(new QFileSystemIterator(QFileSystemEntry(path()),
62                     filters(), nameFilters()));
63         advance();
64     }
65 
66     return !done;
67 }
68 
next()69 QString QFSFileEngineIterator::next()
70 {
71     if (!hasNext())
72         return QString();
73 
74     advance();
75     return currentFilePath();
76 }
77 
advance() const78 void QFSFileEngineIterator::advance() const
79 {
80     currentInfo = nextInfo;
81 
82     QFileSystemEntry entry;
83     QFileSystemMetaData data;
84     if (nativeIterator->advance(entry, data)) {
85         nextInfo = QFileInfo(new QFileInfoPrivate(entry, data));
86     } else {
87         done = true;
88         nativeIterator.reset();
89     }
90 }
91 
currentFileName() const92 QString QFSFileEngineIterator::currentFileName() const
93 {
94     return currentInfo.fileName();
95 }
96 
currentFileInfo() const97 QFileInfo QFSFileEngineIterator::currentFileInfo() const
98 {
99     return currentInfo;
100 }
101 
102 QT_END_NAMESPACE
103 
104 #endif // QT_NO_FILESYSTEMITERATOR
105