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Diffstat (limited to 'src/corelib/io/qstorageinfo_mac.cpp')
| -rw-r--r-- | src/corelib/io/qstorageinfo_mac.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/src/corelib/io/qstorageinfo_mac.cpp b/src/corelib/io/qstorageinfo_mac.cpp new file mode 100644 index 0000000000..060e16b948 --- /dev/null +++ b/src/corelib/io/qstorageinfo_mac.cpp @@ -0,0 +1,213 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Ivan Komissarov <ABBAPOH@gmail.com> +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qstorageinfo_p.h" + +#include <QtCore/qfileinfo.h> +#include <QtCore/private/qcore_mac_p.h> + +#include <CoreFoundation/CoreFoundation.h> +#include <CoreFoundation/CFURLEnumerator.h> + +#include <sys/mount.h> + +#define QT_STATFSBUF struct statfs +#define QT_STATFS ::statfs + +QT_BEGIN_NAMESPACE + +void QStorageInfoPrivate::initRootPath() +{ + rootPath = QFileInfo(rootPath).canonicalFilePath(); + + if (rootPath.isEmpty()) + return; + + retrieveUrlProperties(true); +} + +void QStorageInfoPrivate::doStat() +{ + initRootPath(); + + if (rootPath.isEmpty()) + return; + + retrieveLabel(); + retrievePosixInfo(); + retrieveUrlProperties(); +} + +void QStorageInfoPrivate::retrievePosixInfo() +{ + QT_STATFSBUF statfs_buf; + int result = QT_STATFS(QFile::encodeName(rootPath).constData(), &statfs_buf); + if (result == 0) { + device = QByteArray(statfs_buf.f_mntfromname); + readOnly = (statfs_buf.f_flags & MNT_RDONLY) != 0; + fileSystemType = QByteArray(statfs_buf.f_fstypename); + } +} + +static inline qint64 CFDictionaryGetInt64(CFDictionaryRef dictionary, const void *key) +{ + CFNumberRef cfNumber = (CFNumberRef)CFDictionaryGetValue(dictionary, key); + if (!cfNumber) + return -1; + qint64 result; + bool ok = CFNumberGetValue(cfNumber, kCFNumberSInt64Type, &result); + if (!ok) + return -1; + return result; +} + +void QStorageInfoPrivate::retrieveUrlProperties(bool initRootPath) +{ + static const void *rootPathKeys[] = { kCFURLVolumeURLKey }; + static const void *propertyKeys[] = { + // kCFURLVolumeNameKey, // 10.7 + // kCFURLVolumeLocalizedNameKey, // 10.7 + kCFURLVolumeTotalCapacityKey, + kCFURLVolumeAvailableCapacityKey, + // kCFURLVolumeIsReadOnlyKey // 10.7 + }; + size_t size = (initRootPath ? sizeof(rootPathKeys) : sizeof(propertyKeys)) / sizeof(void*); + QCFType<CFArrayRef> keys = CFArrayCreate(kCFAllocatorDefault, + initRootPath ? rootPathKeys : propertyKeys, + size, + Q_NULLPTR); + + if (!keys) + return; + + const QCFString cfPath = rootPath; + if (initRootPath) + rootPath.clear(); + + QCFType<CFURLRef> url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, + cfPath, + kCFURLPOSIXPathStyle, + true); + if (!url) + return; + + CFErrorRef error; + QCFType<CFDictionaryRef> map = CFURLCopyResourcePropertiesForKeys(url, keys, &error); + + if (!map) + return; + + if (initRootPath) { + const CFURLRef rootUrl = (CFURLRef)CFDictionaryGetValue(map, kCFURLVolumeURLKey); + if (!rootUrl) + return; + + rootPath = QCFString(CFURLCopyFileSystemPath(rootUrl, kCFURLPOSIXPathStyle)); + valid = true; + ready = true; + + return; + } + + bytesTotal = CFDictionaryGetInt64(map, kCFURLVolumeTotalCapacityKey); + bytesAvailable = CFDictionaryGetInt64(map, kCFURLVolumeAvailableCapacityKey); + bytesFree = bytesAvailable; +} + +void QStorageInfoPrivate::retrieveLabel() +{ +#if !defined(Q_OS_IOS) + // deprecated since 10.8 + FSRef ref; + FSPathMakeRef(reinterpret_cast<const UInt8*>(QFile::encodeName(rootPath).constData()), + &ref, + Q_NULLPTR); + + // deprecated since 10.8 + FSCatalogInfo catalogInfo; + OSErr error; + error = FSGetCatalogInfo(&ref, kFSCatInfoVolume, &catalogInfo, Q_NULLPTR, Q_NULLPTR, Q_NULLPTR); + if (error != noErr) + return; + + // deprecated (use CFURLCopyResourcePropertiesForKeys for 10.7 and higher) + HFSUniStr255 volumeName; + error = FSGetVolumeInfo(catalogInfo.volume, + 0, + Q_NULLPTR, + kFSVolInfoFSInfo, + Q_NULLPTR, + &volumeName, + Q_NULLPTR); + if (error == noErr) + name = QCFString(FSCreateStringFromHFSUniStr(Q_NULLPTR, &volumeName)); +#endif +} + +QList<QStorageInfo> QStorageInfoPrivate::mountedVolumes() +{ + QList<QStorageInfo> volumes; + + QCFType<CFURLEnumeratorRef> enumerator; + enumerator = CFURLEnumeratorCreateForMountedVolumes(Q_NULLPTR, + kCFURLEnumeratorSkipInvisibles, + Q_NULLPTR); + + CFURLEnumeratorResult result = kCFURLEnumeratorSuccess; + do { + CFURLRef url; + CFErrorRef error; + result = CFURLEnumeratorGetNextURL(enumerator, &url, &error); + if (result == kCFURLEnumeratorSuccess) { + const QCFString urlString = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle); + volumes.append(QStorageInfo(urlString)); + } + } while (result != kCFURLEnumeratorEnd); + + return volumes; +} + +QStorageInfo QStorageInfoPrivate::root() +{ + return QStorageInfo(QStringLiteral("/")); +} + +QT_END_NAMESPACE |