Warning: That file was not part of the compilation database. It may have many parsing errors.

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 "qfilesystemiterator_p.h"
41#include "qfilesystemengine_p.h"
42#include "qoperatingsystemversion.h"
43#include "qplatformdefs.h"
44#include "qvector.h"
45
46#include <QtCore/qt_windows.h>
47
48QT_BEGIN_NAMESPACE
49
50bool done = true;
51
52QFileSystemIterator::QFileSystemIterator(const QFileSystemEntry &entry, QDir::Filters filters,
53 const QStringList &nameFilters, QDirIterator::IteratorFlags flags)
54 : nativePath(entry.nativeFilePath())
55 , dirPath(entry.filePath())
56 , findFileHandle(INVALID_HANDLE_VALUE)
57 , uncFallback(false)
58 , uncShareIndex(0)
59 , onlyDirs(false)
60{
61 Q_UNUSED(nameFilters)
62 Q_UNUSED(flags)
63 if (nativePath.endsWith(QLatin1String(".lnk"))) {
64 QFileSystemMetaData metaData;
65 QFileSystemEntry link = QFileSystemEngine::getLinkTarget(entry, metaData);
66 nativePath = link.nativeFilePath();
67 }
68 if (!nativePath.endsWith(QLatin1Char('\\')))
69 nativePath.append(QLatin1Char('\\'));
70 nativePath.append(QLatin1Char('*'));
71 // In MSVC2015+ case we prepend //?/ for longer file-name support
72 if (!dirPath.endsWith(QLatin1Char('/')))
73 dirPath.append(QLatin1Char('/'));
74 if ((filters & (QDir::Dirs|QDir::Drives)) && (!(filters & (QDir::Files))))
75 onlyDirs = true;
76}
77
78QFileSystemIterator::~QFileSystemIterator()
79{
80 if (findFileHandle != INVALID_HANDLE_VALUE)
81 FindClose(findFileHandle);
82}
83
84bool QFileSystemIterator::advance(QFileSystemEntry &fileEntry, QFileSystemMetaData &metaData)
85{
86 bool haveData = false;
87 WIN32_FIND_DATA findData;
88
89 if (findFileHandle == INVALID_HANDLE_VALUE && !uncFallback) {
90 haveData = true;
91 int infoLevel = 0 ; // FindExInfoStandard;
92 DWORD dwAdditionalFlags = 0;
93 if (QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows7) {
94 dwAdditionalFlags = 2; // FIND_FIRST_EX_LARGE_FETCH
95 infoLevel = 1 ; // FindExInfoBasic;
96 }
97 int searchOps = 0; // FindExSearchNameMatch
98 if (onlyDirs)
99 searchOps = 1 ; // FindExSearchLimitToDirectories
100 findFileHandle = FindFirstFileEx((const wchar_t *)nativePath.utf16(), FINDEX_INFO_LEVELS(infoLevel), &findData,
101 FINDEX_SEARCH_OPS(searchOps), 0, dwAdditionalFlags);
102 if (findFileHandle == INVALID_HANDLE_VALUE) {
103 if (nativePath.startsWith(QLatin1String("\\\\?\\UNC\\"))) {
104 const QVector<QStringRef> parts = nativePath.splitRef(QLatin1Char('\\'), QString::SkipEmptyParts);
105 if (parts.count() == 4 && QFileSystemEngine::uncListSharesOnServer(
106 QLatin1String("\\\\") + parts.at(2), &uncShares)) {
107 if (uncShares.isEmpty())
108 return false; // No shares found in the server
109 uncFallback = true;
110 }
111 }
112 }
113 }
114 if (findFileHandle == INVALID_HANDLE_VALUE && !uncFallback)
115 return false;
116 // Retrieve the new file information.
117 if (!haveData) {
118 if (uncFallback) {
119 if (++uncShareIndex >= uncShares.count())
120 return false;
121 } else {
122 if (!FindNextFile(findFileHandle, &findData))
123 return false;
124 }
125 }
126 // Create the new file system entry & meta data.
127 if (uncFallback) {
128 fileEntry = QFileSystemEntry(dirPath + uncShares.at(uncShareIndex));
129 metaData.fillFromFileAttribute(FILE_ATTRIBUTE_DIRECTORY);
130 return true;
131 } else {
132 QString fileName = QString::fromWCharArray(findData.cFileName);
133 fileEntry = QFileSystemEntry(dirPath + fileName);
134 metaData = QFileSystemMetaData();
135 if (!fileName.endsWith(QLatin1String(".lnk"))) {
136 metaData.fillFromFindData(findData, true);
137 }
138 return true;
139 }
140 return false;
141}
142
143QT_END_NAMESPACE
144

Warning: That file was not part of the compilation database. It may have many parsing errors.