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****************************************************************************/

#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 QByteArray win95Name(const QString &path);

    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_NT();

    static bool resolveUNCLibs_9x();

    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