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/****************************************************************************
**
** Copyright (C) 2013 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 QFILESYSTEMITERATOR_P_H
#define QFILESYSTEMITERATOR_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 <QtCore/qglobal.h>

#ifndef QT_NO_FILESYSTEMITERATOR

#include <QtCore/qdir.h>
#include <QtCore/qdiriterator.h>
#include <QtCore/qstringlist.h>

#include <QtCore/private/qfilesystementry_p.h>
#include <QtCore/private/qfilesystemmetadata_p.h>

// Platform-specific headers
#if !defined(Q_OS_WIN)
#include <QtCore/qscopedpointer.h>
#endif

QT_BEGIN_NAMESPACE

class QFileSystemIterator
{
public:
    QFileSystemIterator(const QFileSystemEntry &entry, QDir::Filters filters,
            const QStringList &nameFilters, QDirIterator::IteratorFlags flags
                = QDirIterator::FollowSymlinks | QDirIterator::Subdirectories);
    ~QFileSystemIterator();

    bool advance(QFileSystemEntry &fileEntry, QFileSystemMetaData &metaData);

private:
    QFileSystemEntry::NativePath nativePath;

    // Platform-specific data
#if defined(Q_OS_WIN)
    QString dirPath;
    HANDLE findFileHandle;
    QStringList uncShares;
    bool uncFallback;
    int uncShareIndex;
    bool onlyDirs;
#else
    QT_DIR *dir;
    QT_DIRENT *dirEntry;
#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN)
    // for readdir_r
    QScopedPointer<QT_DIRENT, QScopedPointerPodDeleter> mt_file;
#if defined(Q_OS_QNX) && defined(__EXT_QNX__READDIR_R)
    // for _readdir_r
    size_t direntSize;
#endif
#endif
    int lastError;
#endif

    Q_DISABLE_COPY(QFileSystemIterator)
};

QT_END_NAMESPACE

#endif // QT_NO_FILESYSTEMITERATOR

#endif // include guard