| 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 | #include "qresource.h" |
| 5 | #include "qresource_iterator_p.h" |
| 6 | |
| 7 | #include <QtCore/qvariant.h> |
| 8 | |
| 9 | QT_BEGIN_NAMESPACE |
| 10 | |
| 11 | QResourceFileEngineIterator::QResourceFileEngineIterator(QDir::Filters filters, |
| 12 | const QStringList &filterNames) |
| 13 | : QAbstractFileEngineIterator(filters, filterNames), index(-1) |
| 14 | { |
| 15 | } |
| 16 | |
| 17 | QResourceFileEngineIterator::~QResourceFileEngineIterator() |
| 18 | { |
| 19 | } |
| 20 | |
| 21 | QString QResourceFileEngineIterator::next() |
| 22 | { |
| 23 | if (!hasNext()) |
| 24 | return QString(); |
| 25 | ++index; |
| 26 | return currentFilePath(); |
| 27 | } |
| 28 | |
| 29 | bool QResourceFileEngineIterator::hasNext() const |
| 30 | { |
| 31 | if (index == -1) { |
| 32 | // Lazy initialization of the iterator |
| 33 | QResource resource(path()); |
| 34 | if (!resource.isValid()) |
| 35 | return false; |
| 36 | |
| 37 | // Initialize and move to the next entry. |
| 38 | entries = resource.children(); |
| 39 | index = 0; |
| 40 | } |
| 41 | |
| 42 | return index < entries.size(); |
| 43 | } |
| 44 | |
| 45 | QString QResourceFileEngineIterator::currentFileName() const |
| 46 | { |
| 47 | if (index <= 0 || index > entries.size()) |
| 48 | return QString(); |
| 49 | return entries.at(i: index - 1); |
| 50 | } |
| 51 | |
| 52 | QT_END_NAMESPACE |
| 53 |