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 "qresource.h" 41 #include "qresource_iterator_p.h" 42 43 #include <QtCore/qvariant.h> 44 45 QT_BEGIN_NAMESPACE 46 QResourceFileEngineIterator(QDir::Filters filters,const QStringList & filterNames)47QResourceFileEngineIterator::QResourceFileEngineIterator(QDir::Filters filters, 48 const QStringList &filterNames) 49 : QAbstractFileEngineIterator(filters, filterNames), index(-1) 50 { 51 } 52 ~QResourceFileEngineIterator()53QResourceFileEngineIterator::~QResourceFileEngineIterator() 54 { 55 } 56 next()57QString QResourceFileEngineIterator::next() 58 { 59 if (!hasNext()) 60 return QString(); 61 ++index; 62 return currentFilePath(); 63 } 64 hasNext() const65bool QResourceFileEngineIterator::hasNext() const 66 { 67 if (index == -1) { 68 // Lazy initialization of the iterator 69 QResource resource(path()); 70 if (!resource.isValid()) 71 return false; 72 73 // Initialize and move to the next entry. 74 entries = resource.children(); 75 index = 0; 76 } 77 78 return index < entries.size(); 79 } 80 currentFileName() const81QString QResourceFileEngineIterator::currentFileName() const 82 { 83 if (index <= 0 || index > entries.size()) 84 return QString(); 85 return entries.at(index - 1); 86 } 87 88 QT_END_NAMESPACE 89