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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 purely as an
// implementation detail. 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), fileSize(0)
{ clear(); }
inline Data(const Data ©)
: ref(1), fileEngine(QAbstractFileEngine::create(copy.fileName)),
fileName(copy.fileName), cache_enabled(copy.cache_enabled), fileSize(copy.fileSize)
{ clear(); }
inline ~Data() { delete fileEngine; }
inline void clearFlags() {
fileFlags = 0;
cachedFlags = 0;
if (fileEngine)
(void)fileEngine->fileFlags(QFSFileEngine::Refresh);
}
inline void clear() {
clearFlags();
for (int i = QAbstractFileEngine::NFileNames - 1 ; i >= 0 ; --i)
fileNames[i].clear();
}
mutable QAtomicInt ref;
QAbstractFileEngine *fileEngine;
mutable QString fileName;
mutable QString fileNames[QAbstractFileEngine::NFileNames];
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 // QFILEINFO_P_H
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