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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /src/corelib/io/qfilesystemmetadata_p.h
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILESYSTEMMETADATA_P_H_INCLUDED
+#define QFILESYSTEMMETADATA_P_H_INCLUDED
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qplatformdefs.h"
+#include <QtCore/qglobal.h>
+#include <QtCore/qdatetime.h>
+#include <QtCore/qabstractfileengine.h>
+
+// Platform-specific includes
+#if defined(Q_OS_WIN)
+#ifndef IO_REPARSE_TAG_SYMLINK
+#define IO_REPARSE_TAG_SYMLINK (0xA000000CL)
+#endif
+#elif defined(Q_OS_SYMBIAN)
+#include <f32file.h>
+#include <QtCore/private/qdatetime_p.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QFileSystemEngine;
+
+class QFileSystemMetaData
+{
+public:
+ QFileSystemMetaData()
+ : knownFlagsMask(0)
+ {
+ }
+
+ enum MetaDataFlag {
+ // Permissions, overlaps with QFile::Permissions
+ OtherReadPermission = 0x00000004, OtherWritePermission = 0x00000002, OtherExecutePermission = 0x00000001,
+ GroupReadPermission = 0x00000040, GroupWritePermission = 0x00000020, GroupExecutePermission = 0x00000010,
+ UserReadPermission = 0x00000400, UserWritePermission = 0x00000200, UserExecutePermission = 0x00000100,
+ OwnerReadPermission = 0x00004000, OwnerWritePermission = 0x00002000, OwnerExecutePermission = 0x00001000,
+
+ OtherPermissions = OtherReadPermission | OtherWritePermission | OtherExecutePermission,
+ GroupPermissions = GroupReadPermission | GroupWritePermission | GroupExecutePermission,
+ UserPermissions = UserReadPermission | UserWritePermission | UserExecutePermission,
+ OwnerPermissions = OwnerReadPermission | OwnerWritePermission | OwnerExecutePermission,
+
+ ReadPermissions = OtherReadPermission | GroupReadPermission | UserReadPermission | OwnerReadPermission,
+ WritePermissions = OtherWritePermission | GroupWritePermission | UserWritePermission | OwnerWritePermission,
+ ExecutePermissions = OtherExecutePermission | GroupExecutePermission | UserExecutePermission | OwnerExecutePermission,
+
+ Permissions = OtherPermissions | GroupPermissions | UserPermissions | OwnerPermissions,
+
+ // Type
+#ifdef Q_OS_SYMBIAN
+ LinkType = 0,
+#else
+ LinkType = 0x00010000,
+#endif
+ FileType = 0x00020000,
+ DirectoryType = 0x00040000,
+#if !defined(QWS) && !defined(Q_WS_QPA) && defined(Q_OS_MAC)
+ BundleType = 0x00080000,
+ AliasType = 0x08000000,
+#else
+ BundleType = 0x0,
+ AliasType = 0x0,
+#endif
+#if defined(Q_OS_WIN)
+ WinLnkType = 0x08000000, // Note: Uses the same position for AliasType on Mac
+#else
+ WinLnkType = 0x0,
+#endif
+ SequentialType = 0x00800000, // Note: overlaps with QAbstractFileEngine::RootFlag
+
+ LegacyLinkType = LinkType | AliasType | WinLnkType,
+
+ Type = LinkType | FileType | DirectoryType | BundleType | SequentialType | AliasType,
+
+ // Attributes
+ HiddenAttribute = 0x00100000,
+ SizeAttribute = 0x00200000, // Note: overlaps with QAbstractFileEngine::LocalDiskFlag
+ ExistsAttribute = 0x00400000,
+
+ Attributes = HiddenAttribute | SizeAttribute | ExistsAttribute,
+
+ // Times
+ CreationTime = 0x01000000, // Note: overlaps with QAbstractFileEngine::Refresh
+ ModificationTime = 0x02000000,
+ AccessTime = 0x04000000,
+
+ Times = CreationTime | ModificationTime | AccessTime,
+
+ // Owner IDs
+ UserId = 0x10000000,
+ GroupId = 0x20000000,
+
+ OwnerIds = UserId | GroupId,
+
+ PosixStatFlags = QFileSystemMetaData::OtherPermissions
+ | QFileSystemMetaData::GroupPermissions
+ | QFileSystemMetaData::OwnerPermissions
+ | QFileSystemMetaData::FileType
+ | QFileSystemMetaData::DirectoryType
+ | QFileSystemMetaData::SequentialType
+ | QFileSystemMetaData::SizeAttribute
+ | QFileSystemMetaData::Times
+ | QFileSystemMetaData::OwnerIds,
+
+ SymbianTEntryFlags = QFileSystemMetaData::Permissions
+ | QFileSystemMetaData::FileType
+ | QFileSystemMetaData::DirectoryType
+ | QFileSystemMetaData::SequentialType
+ | QFileSystemMetaData::Attributes
+ | QFileSystemMetaData::Times,
+#if defined(Q_OS_WIN)
+ WinStatFlags = QFileSystemMetaData::FileType
+ | QFileSystemMetaData::DirectoryType
+ | QFileSystemMetaData::HiddenAttribute
+ | QFileSystemMetaData::ExistsAttribute
+ | QFileSystemMetaData::SizeAttribute
+ | QFileSystemMetaData::Times,
+#endif
+
+ AllMetaDataFlags = 0xFFFFFFFF
+
+ };
+ Q_DECLARE_FLAGS(MetaDataFlags, MetaDataFlag)
+
+ bool hasFlags(MetaDataFlags flags) const
+ {
+ return ((knownFlagsMask & flags) == flags);
+ }
+
+ MetaDataFlags missingFlags(MetaDataFlags flags)
+ {
+ return flags & ~knownFlagsMask;
+ }
+
+ void clear()
+ {
+ knownFlagsMask = 0;
+ }
+
+ void clearFlags(MetaDataFlags flags = AllMetaDataFlags)
+ {
+ knownFlagsMask &= ~flags;
+ }
+
+ bool exists() const { return (entryFlags & ExistsAttribute); }
+
+ bool isLink() const { return (entryFlags & LinkType); }
+ bool isFile() const { return (entryFlags & FileType); }
+ bool isDirectory() const { return (entryFlags & DirectoryType); }
+ bool isBundle() const;
+ bool isAlias() const;
+ bool isLegacyLink() const { return (entryFlags & LegacyLinkType); }
+ bool isSequential() const { return (entryFlags & SequentialType); }
+ bool isHidden() const { return (entryFlags & HiddenAttribute); }
+#if defined(Q_OS_WIN)
+ bool isLnkFile() const { return (entryFlags & WinLnkType); }
+#else
+ bool isLnkFile() const { return false; }
+#endif
+
+ qint64 size() const { return size_; }
+
+ QFile::Permissions permissions() const { return QFile::Permissions(Permissions & entryFlags); }
+
+ QDateTime creationTime() const;
+ QDateTime modificationTime() const;
+ QDateTime accessTime() const;
+
+ QDateTime fileTime(QAbstractFileEngine::FileTime time) const;
+ uint userId() const;
+ uint groupId() const;
+ uint ownerId(QAbstractFileEngine::FileOwner owner) const;
+
+#ifdef Q_OS_UNIX
+ void fillFromStatBuf(const QT_STATBUF &statBuffer);
+ void fillFromDirEnt(const QT_DIRENT &statBuffer);
+#endif
+#ifdef Q_OS_SYMBIAN
+ void fillFromTEntry(const TEntry& entry);
+ void fillFromVolumeInfo(const TVolumeInfo& info);
+#endif
+
+#if defined(Q_OS_WIN)
+ inline void fillFromFileAttribute(DWORD fileAttribute, bool isDriveRoot = false);
+ inline void fillFromFindData(WIN32_FIND_DATA &findData, bool setLinkType = false, bool isDriveRoot = false);
+ inline void fillFromFindInfo(BY_HANDLE_FILE_INFORMATION &fileInfo);
+#endif
+private:
+ friend class QFileSystemEngine;
+
+ MetaDataFlags knownFlagsMask;
+ MetaDataFlags entryFlags;
+
+ qint64 size_;
+
+ // Platform-specific data goes here:
+#if defined(Q_OS_WIN)
+ DWORD fileAttribute_;
+ FILETIME creationTime_;
+ FILETIME lastAccessTime_;
+ FILETIME lastWriteTime_;
+#elif defined(Q_OS_SYMBIAN)
+ TTime modificationTime_;
+#else
+ time_t creationTime_;
+ time_t modificationTime_;
+ time_t accessTime_;
+
+ uint userId_;
+ uint groupId_;
+#endif
+
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QFileSystemMetaData::MetaDataFlags)
+
+#if !defined(QWS) && !defined(Q_WS_QPA) && defined(Q_OS_MAC)
+inline bool QFileSystemMetaData::isBundle() const { return (entryFlags & BundleType); }
+inline bool QFileSystemMetaData::isAlias() const { return (entryFlags & AliasType); }
+#else
+inline bool QFileSystemMetaData::isBundle() const { return false; }
+inline bool QFileSystemMetaData::isAlias() const { return false; }
+#endif
+
+#if (defined(Q_OS_UNIX) && !defined (Q_OS_SYMBIAN)) || defined (Q_OS_WIN)
+inline QDateTime QFileSystemMetaData::fileTime(QAbstractFileEngine::FileTime time) const
+{
+ switch (time) {
+ case QAbstractFileEngine::ModificationTime:
+ return modificationTime();
+
+ case QAbstractFileEngine::AccessTime:
+ return accessTime();
+
+ case QAbstractFileEngine::CreationTime:
+ return creationTime();
+ }
+
+ return QDateTime();
+}
+#endif
+
+#if defined(Q_OS_UNIX) && !defined (Q_OS_SYMBIAN)
+inline QDateTime QFileSystemMetaData::creationTime() const { return QDateTime::fromTime_t(creationTime_); }
+inline QDateTime QFileSystemMetaData::modificationTime() const { return QDateTime::fromTime_t(modificationTime_); }
+inline QDateTime QFileSystemMetaData::accessTime() const { return QDateTime::fromTime_t(accessTime_); }
+
+inline uint QFileSystemMetaData::userId() const { return userId_; }
+inline uint QFileSystemMetaData::groupId() const { return groupId_; }
+
+inline uint QFileSystemMetaData::ownerId(QAbstractFileEngine::FileOwner owner) const
+{
+ if (owner == QAbstractFileEngine::OwnerUser)
+ return userId();
+ else
+ return groupId();
+}
+#endif
+
+#ifdef Q_OS_SYMBIAN
+inline QDateTime QFileSystemMetaData::creationTime() const { return modificationTime(); }
+inline QDateTime QFileSystemMetaData::modificationTime() const { return qt_symbian_TTime_To_QDateTime(modificationTime_); }
+inline QDateTime QFileSystemMetaData::accessTime() const { return modificationTime(); }
+
+inline QDateTime QFileSystemMetaData::fileTime(QAbstractFileEngine::FileTime time) const
+{
+ Q_UNUSED(time);
+ return modificationTime();
+}
+inline uint QFileSystemMetaData::userId() const { return (uint) -2; }
+inline uint QFileSystemMetaData::groupId() const { return (uint) -2; }
+inline uint QFileSystemMetaData::ownerId(QAbstractFileEngine::FileOwner owner) const
+{
+ Q_UNUSED(owner);
+ return (uint) -2;
+}
+#endif
+
+#if defined(Q_OS_WIN)
+inline uint QFileSystemMetaData::userId() const { return (uint) -2; }
+inline uint QFileSystemMetaData::groupId() const { return (uint) -2; }
+inline uint QFileSystemMetaData::ownerId(QAbstractFileEngine::FileOwner owner) const
+{
+ if (owner == QAbstractFileEngine::OwnerUser)
+ return userId();
+ else
+ return groupId();
+}
+
+inline void QFileSystemMetaData::fillFromFileAttribute(DWORD fileAttribute,bool isDriveRoot)
+{
+ fileAttribute_ = fileAttribute;
+ // Ignore the hidden attribute for drives.
+ if (!isDriveRoot && (fileAttribute_ & FILE_ATTRIBUTE_HIDDEN))
+ entryFlags |= HiddenAttribute;
+ entryFlags |= ((fileAttribute & FILE_ATTRIBUTE_DIRECTORY) ? DirectoryType: FileType);
+ entryFlags |= ExistsAttribute;
+ knownFlagsMask |= FileType | DirectoryType | HiddenAttribute | ExistsAttribute;
+}
+
+inline void QFileSystemMetaData::fillFromFindData(WIN32_FIND_DATA &findData, bool setLinkType, bool isDriveRoot)
+{
+ fillFromFileAttribute(findData.dwFileAttributes, isDriveRoot);
+ creationTime_ = findData.ftCreationTime;
+ lastAccessTime_ = findData.ftLastAccessTime;
+ lastWriteTime_ = findData.ftLastWriteTime;
+ if (fileAttribute_ & FILE_ATTRIBUTE_DIRECTORY) {
+ size_ = 0;
+ } else {
+ size_ = findData.nFileSizeHigh;
+ size_ <<= 32;
+ size_ += findData.nFileSizeLow;
+ }
+ knownFlagsMask |= Times | SizeAttribute;
+ if (setLinkType) {
+ knownFlagsMask |= LinkType;
+ entryFlags &= ~LinkType;
+#if !defined(Q_OS_WINCE)
+ if ((fileAttribute_ & FILE_ATTRIBUTE_REPARSE_POINT)
+ && (findData.dwReserved0 == IO_REPARSE_TAG_SYMLINK
+ || findData.dwReserved0 == IO_REPARSE_TAG_MOUNT_POINT)) {
+ entryFlags |= LinkType;
+ }
+#endif
+
+ }
+}
+
+inline void QFileSystemMetaData::fillFromFindInfo(BY_HANDLE_FILE_INFORMATION &fileInfo)
+{
+ fillFromFileAttribute(fileInfo.dwFileAttributes);
+ creationTime_ = fileInfo.ftCreationTime;
+ lastAccessTime_ = fileInfo.ftLastAccessTime;
+ lastWriteTime_ = fileInfo.ftLastWriteTime;
+ if (fileAttribute_ & FILE_ATTRIBUTE_DIRECTORY) {
+ size_ = 0;
+ } else {
+ size_ = fileInfo.nFileSizeHigh;
+ size_ <<= 32;
+ size_ += fileInfo.nFileSizeLow;
+ }
+ knownFlagsMask |= Times | SizeAttribute;
+}
+#endif
+
+QT_END_NAMESPACE
+
+#endif // include guard