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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 QFILE_H
#define QFILE_H
#include <QtCore/qiodevice.h>
#include <QtCore/qstring.h>
#include <stdio.h>
#ifdef open
#error qfile.h must be included before any header file that defines open
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
class QAbstractFileEngine;
class QFilePrivate;
class Q_CORE_EXPORT QFile : public QIODevice
{
#ifndef QT_NO_QOBJECT
Q_OBJECT
#endif
Q_DECLARE_SCOPED_PRIVATE(QFile)
public:
enum FileError {
NoError = 0,
ReadError = 1,
WriteError = 2,
FatalError = 3,
ResourceError = 4,
OpenError = 5,
AbortError = 6,
TimeOutError = 7,
UnspecifiedError = 8,
RemoveError = 9,
RenameError = 10,
PositionError = 11,
ResizeError = 12,
PermissionsError = 13,
CopyError = 14
#ifdef QT3_SUPPORT
, ConnectError = 30
#endif
};
enum Permission {
ReadOwner = 0x4000, WriteOwner = 0x2000, ExeOwner = 0x1000,
ReadUser = 0x0400, WriteUser = 0x0200, ExeUser = 0x0100,
ReadGroup = 0x0040, WriteGroup = 0x0020, ExeGroup = 0x0010,
ReadOther = 0x0004, WriteOther = 0x0002, ExeOther = 0x0001
};
Q_DECLARE_FLAGS(Permissions, Permission)
QFile();
QFile(const QString &name);
#ifndef QT_NO_QOBJECT
explicit QFile(QObject *parent);
QFile(const QString &name, QObject *parent);
#endif
~QFile();
FileError error() const;
void unsetError();
QString fileName() const;
void setFileName(const QString &name);
typedef QByteArray (*EncoderFn)(const QString &fileName);
typedef QString (*DecoderFn)(const QByteArray &localfileName);
static QByteArray encodeName(const QString &fileName);
static QString decodeName(const QByteArray &localFileName);
inline static QString decodeName(const char *localFileName)
{ return decodeName(QByteArray(localFileName)); };
static void setEncodingFunction(EncoderFn);
static void setDecodingFunction(DecoderFn);
bool exists() const;
static bool exists(const QString &fileName);
QString readLink() const;
static QString readLink(const QString &fileName);
inline QString symLinkTarget() const { return readLink(); }
inline static QString symLinkTarget(const QString &fileName) { return readLink(fileName); }
bool remove();
static bool remove(const QString &fileName);
bool rename(const QString &newName);
static bool rename(const QString &oldName, const QString &newName);
bool link(const QString &newName);
static bool link(const QString &oldname, const QString &newName);
bool copy(const QString &newName);
static bool copy(const QString &fileName, const QString &newName);
bool isSequential() const;
bool open(OpenMode flags);
bool open(FILE *f, OpenMode flags);
bool open(int fd, OpenMode flags);
virtual void close();
qint64 size() const;
qint64 pos() const;
bool seek(qint64 offset);
bool atEnd() const;
bool flush();
bool resize(qint64 sz);
static bool resize(const QString &filename, qint64 sz);
Permissions permissions() const;
static Permissions permissions(const QString &filename);
bool setPermissions(Permissions permissionSpec);
static bool setPermissions(const QString &filename, Permissions permissionSpec);
int handle() const;
enum MemoryMapFlags {
NoOptions = 0
};
uchar *map(qint64 offset, qint64 size, MemoryMapFlags flags = NoOptions);
bool unmap(uchar *address);
virtual QAbstractFileEngine *fileEngine() const;
#ifdef QT3_SUPPORT
typedef Permission PermissionSpec;
inline QT3_SUPPORT QString name() const { return fileName(); }
inline QT3_SUPPORT void setName(const QString &aName) { setFileName(aName); }
inline QT3_SUPPORT bool open(OpenMode aFlags, FILE *f) { return open(f, aFlags); }
inline QT3_SUPPORT bool open(OpenMode aFlags, int fd) { return open(fd, aFlags); }
#endif
protected:
#ifdef QT_NO_QOBJECT
QFile(QFilePrivate &dd);
#else
QFile(QFilePrivate &dd, QObject *parent = 0);
#endif
qint64 readData(char *data, qint64 maxlen);
qint64 writeData(const char *data, qint64 len);
qint64 readLineData(char *data, qint64 maxlen);
private:
Q_DISABLE_COPY(QFile)
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QFile::Permissions)
QT_END_NAMESPACE
QT_END_HEADER
#endif // QFILE_H
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