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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 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 http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QFSFILEENGINE_P_H
#define QFSFILEENGINE_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 "qplatformdefs.h"
#include "QtCore/qfsfileengine.h"
#include "private/qabstractfileengine_p.h"
#include <qhash.h>
#ifndef QT_NO_FSFILEENGINE
QT_BEGIN_NAMESPACE
#if defined(Q_OS_WINCE_STD) && _WIN32_WCE < 0x600
#define Q_USE_DEPRECATED_MAP_API 1
#endif
class QFSFileEnginePrivate : public QAbstractFileEnginePrivate
{
Q_DECLARE_PUBLIC(QFSFileEngine)
public:
#ifdef Q_WS_WIN
static QString longFileName(const QString &path);
#endif
static QString canonicalized(const QString &path);
QString filePath;
QByteArray nativeFilePath;
QIODevice::OpenMode openMode;
void nativeInitFileName();
bool nativeOpen(QIODevice::OpenMode openMode);
bool openFh(QIODevice::OpenMode flags, FILE *fh);
bool openFd(QIODevice::OpenMode flags, int fd);
bool nativeClose();
bool closeFdFh();
bool nativeFlush();
bool flushFh();
qint64 nativeSize() const;
qint64 sizeFdFh() const;
qint64 nativePos() const;
qint64 posFdFh() const;
bool nativeSeek(qint64);
bool seekFdFh(qint64);
qint64 nativeRead(char *data, qint64 maxlen);
qint64 readFdFh(char *data, qint64 maxlen);
qint64 nativeReadLine(char *data, qint64 maxlen);
qint64 readLineFdFh(char *data, qint64 maxlen);
qint64 nativeWrite(const char *data, qint64 len);
qint64 writeFdFh(const char *data, qint64 len);
int nativeHandle() const;
bool nativeIsSequential() const;
bool isSequentialFdFh() const;
uchar *map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags);
bool unmap(uchar *ptr);
FILE *fh;
#ifdef Q_WS_WIN
HANDLE fileHandle;
QHash<uchar *, QPair<int /*offset*/, HANDLE /*handle*/> > maps;
mutable int cachedFd;
mutable DWORD fileAttrib;
#else
QHash<uchar *, QPair<int /*offset*/, int /*handle|len*/> > maps;
mutable QT_STATBUF st;
#endif
int fd;
#ifdef Q_USE_DEPRECATED_MAP_API
void mapHandleClose();
HANDLE fileMapHandle;
#endif
enum LastIOCommand
{
IOFlushCommand,
IOReadCommand,
IOWriteCommand
};
LastIOCommand lastIOCommand;
bool lastFlushFailed;
bool closeFileHandle;
mutable uint is_sequential : 2;
mutable uint could_stat : 1;
mutable uint tried_stat : 1;
#ifdef Q_OS_UNIX
mutable uint need_lstat : 1;
mutable uint is_link : 1;
#endif
bool doStat() const;
bool isSymlink() const;
#if defined(Q_OS_WIN32)
int sysOpen(const QString &, int flags);
#endif
#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
static void resolveLibs();
static bool resolveUNCLibs();
static bool uncListSharesOnServer(const QString &server, QStringList *list);
#endif
protected:
QFSFileEnginePrivate();
void init();
#if defined(Q_OS_WIN32) || defined(Q_OS_WINCE)
QAbstractFileEngine::FileFlags getPermissions() const;
QString getLink() const;
#endif
};
QT_END_NAMESPACE
#endif // QT_NO_FSFILEENGINE
#endif // QFSFILEENGINE_P_H
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