diff options
author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 10:34:13 +0100 |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 10:34:13 +0100 |
commit | 67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch) | |
tree | 1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/corelib/io/qfileinfo_p.h |
Long live Qt!
Diffstat (limited to 'src/corelib/io/qfileinfo_p.h')
-rw-r--r-- | src/corelib/io/qfileinfo_p.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/corelib/io/qfileinfo_p.h b/src/corelib/io/qfileinfo_p.h new file mode 100644 index 0000000000..7d66581f15 --- /dev/null +++ b/src/corelib/io/qfileinfo_p.h @@ -0,0 +1,145 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFILEINFO_P_H +#define QFILEINFO_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of QIODevice. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qfileinfo.h" + +QT_BEGIN_NAMESPACE + +class QFileInfoPrivate +{ +public: + QFileInfoPrivate(const QFileInfo *copy=0); + ~QFileInfoPrivate(); + + void initFileEngine(const QString &); + + enum Access { + ReadAccess, + WriteAccess, + ExecuteAccess + }; + bool hasAccess(Access access) const; + + uint getFileFlags(QAbstractFileEngine::FileFlags) const; + QDateTime &getFileTime(QAbstractFileEngine::FileTime) const; + QString getFileName(QAbstractFileEngine::FileName) const; + + enum { + CachedFileFlags = 0x01, + CachedLinkTypeFlag = 0x02, + CachedBundleTypeFlag= 0x04, + CachedMTime = 0x10, + CachedCTime = 0x20, + CachedATime = 0x40, + CachedSize = 0x08 + }; + + struct Data + { + inline Data() + : ref(1), fileEngine(0), cache_enabled(1) + { + clear(); + } + + inline Data(const Data ©) + : ref(1), fileEngine(QAbstractFileEngine::create(copy.fileName)), + fileName(copy.fileName), cache_enabled(copy.cache_enabled) + { + clear(); + } + + inline ~Data() + { + delete fileEngine; + } + + inline void clear() + { + fileNames.clear(); + fileFlags = 0; + cachedFlags = 0; + } + + mutable QAtomicInt ref; + + QAbstractFileEngine *fileEngine; + mutable QString fileName; + mutable QHash<int, QString> fileNames; + mutable uint cachedFlags : 31; + mutable uint cache_enabled : 1; + mutable uint fileFlags; + mutable qint64 fileSize; + mutable QDateTime fileTimes[3]; + + inline bool getCachedFlag(uint c) const + { return cache_enabled ? (cachedFlags & c) : 0; } + + inline void setCachedFlag(uint c) + { if (cache_enabled) cachedFlags |= c; } + } *data; + + inline void reset() { + detach(); + data->clear(); + } + + void detach(); +}; + + +QT_END_NAMESPACE +#endif + |