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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "ailoaderiostream.h"
#include <QtCore/qiodevice.h>
#include <QtCore/qdebug.h>
AiLoaderIOStream::AiLoaderIOStream(QIODevice *device)
: m_device(device)
, m_errorState(false)
{
Q_ASSERT(device);
}
AiLoaderIOStream::~AiLoaderIOStream()
{
// Nothing to do here
}
size_t AiLoaderIOStream::Read( void* pvBuffer, size_t pSize, size_t pCount)
{
qint64 result = m_device->read((char*)pvBuffer, pSize * pCount);
size_t res = result;
m_errorState = (result == -1);
if (m_errorState)
qWarning("AI read error: %s\n", qPrintable(m_device->errorString()));
if ((pSize * pCount) != res) // AI will treat as error
{
long unsigned int pSizeP = pSize;
long unsigned int pCountP = pCount;
long unsigned int pRes = res;
qWarning("read mismatch requested size: %lu x count: %lu = %lu != %lu actuall read\n",
pSizeP, pCountP, (pSizeP * pCountP), pRes);
}
return res;
}
size_t AiLoaderIOStream::Write( const void* pvBuffer, size_t pSize, size_t pCount)
{
qint64 result = m_device->write((char*)pvBuffer, pSize * pCount);
m_errorState = (result == -1);
if (m_errorState)
qWarning("AI write error: %s\n", qPrintable(m_device->errorString()));
return result;
}
aiReturn AiLoaderIOStream::Seek(size_t pOffset, aiOrigin pOrigin)
{
// cannot deal with sockets right now
Q_ASSERT(!m_device->isSequential());
switch (pOrigin)
{
case aiOrigin_SET:
m_errorState = m_device->seek(pOffset);
break;
case aiOrigin_CUR:
m_errorState = m_device->seek(m_device->pos() + pOffset);
break;
case aiOrigin_END:
m_errorState = m_device->seek(m_device->size() + pOffset);
break;
default:
Q_ASSERT(0);
return(aiReturn_FAILURE);
}
if (m_errorState)
return aiReturn_FAILURE;
return aiReturn_SUCCESS;
}
size_t AiLoaderIOStream::Tell() const
{
return m_device->pos();
}
size_t AiLoaderIOStream::FileSize() const
{
return m_device->size();
}
void AiLoaderIOStream::Flush()
{
// do nothing
}
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