/****************************************************************************
**
** Copyright (C) 2014 Samuel Gaist <samuel.gaist@edeltech.ch>
** Copyright (C) 2014 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qbytearray.h"

#import <Foundation/Foundation.h>

QT_BEGIN_NAMESPACE

QByteArray QByteArray::fromCFData(CFDataRef data)
{
    if (!data)
        return QByteArray();

    return QByteArray(reinterpret_cast<const char *>(CFDataGetBytePtr(data)), CFDataGetLength(data));
}

QByteArray QByteArray::fromRawCFData(CFDataRef data)
{
    if (!data)
        return QByteArray();

    return QByteArray::fromRawData(reinterpret_cast<const char *>(CFDataGetBytePtr(data)), CFDataGetLength(data));
}

CFDataRef QByteArray::toCFData() const
{
    return CFDataCreate(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(data()), length());
}

CFDataRef QByteArray::toRawCFData() const
{
    return CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const UInt8 *>(data()),
                    length(), kCFAllocatorNull);
}

QByteArray QByteArray::fromNSData(const NSData *data)
{
    if (!data)
        return QByteArray();
    return QByteArray(reinterpret_cast<const char *>([data bytes]), [data length]);
}

QByteArray QByteArray::fromRawNSData(const NSData *data)
{
    if (!data)
        return QByteArray();
    return QByteArray::fromRawData(reinterpret_cast<const char *>([data bytes]), [data length]);
}

NSData *QByteArray::toNSData() const
{
    return [NSData dataWithBytes:constData() length:size()];
}

NSData *QByteArray::toRawNSData() const
{
    // const_cast is fine here because NSData is immutable thus will never modify bytes we're giving it
    return [NSData dataWithBytesNoCopy:const_cast<char *>(constData()) length:size() freeWhenDone:NO];
}

QT_END_NAMESPACE