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Diffstat (limited to 'src/corelib/io/qfilesystemmetadata_p.h')
| -rw-r--r-- | src/corelib/io/qfilesystemmetadata_p.h | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/src/corelib/io/qfilesystemmetadata_p.h b/src/corelib/io/qfilesystemmetadata_p.h new file mode 100644 index 0000000000..f7f1fa1b8d --- /dev/null +++ b/src/corelib/io/qfilesystemmetadata_p.h @@ -0,0 +1,400 @@ +/**************************************************************************** +** +** 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 |