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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** 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 "ailoaderiosystem.h"
#include "ailoaderiostream.h"
#include "DefaultLogger.h"
#include <QtCore/qfile.h>
#include <QtCore/qdir.h>
AiLoaderIOSystem::AiLoaderIOSystem(QIODevice *device, QUrl url)
: m_device(device)
, m_url(url)
{
}
AiLoaderIOSystem::~AiLoaderIOSystem()
{
// we don't own m_device
qDeleteAll(m_sub);
}
bool AiLoaderIOSystem::Exists(const char* path) const
{
return QFile::exists(QLatin1String(path));
}
char AiLoaderIOSystem::getOsSeparator() const
{
return QDir::separator().toLatin1();
}
/*!
\internal
Open the pFile with the pMode, where mode is given by "man fopen"
*/
Assimp::IOStream* AiLoaderIOSystem::Open(const char* pFile, const char* pMode)
{
// This is just the file already opened on the device
if (m_url.toEncoded().endsWith(pFile))
return new AiLoaderIOStream(m_device);
// New relative file
QUrl rel;
rel.setScheme(m_url.scheme());
rel.setPath(QLatin1String(pFile));
QUrl url = m_url.resolved(rel);
// TODO: handle network case
if (url.scheme() != QLatin1String("file"))
{
qWarning("Opening %s url not supported", qPrintable(url.scheme()));
return 0;
}
char mode_str[4];
qMemSet(mode_str, '\0', 4);
int i = 0;
for (const char *ptr = pMode; i < 4 && *ptr; ++ptr)
{
if (*ptr != 'b') // ignore the binary attribute
mode_str[i++] = *ptr;
}
QIODevice::OpenMode mode = QIODevice::NotOpen;
if (::strncmp("r", mode_str, 1) == 0)
{
mode = QIODevice::ReadOnly;
}
else if (::strncmp("r+", mode_str, 2) == 0)
{
mode = QIODevice::ReadWrite;
}
else if (::strncmp("w", mode_str, 1) == 0)
{
mode = QIODevice::WriteOnly | QIODevice::Truncate;
}
else if (::strncmp("w+", mode_str, 2) == 0)
{
mode = QIODevice::ReadWrite | QIODevice::Truncate;
}
else if (::strncmp("a", mode_str, 1) == 0)
{
mode = QIODevice::WriteOnly | QIODevice::Append;
}
else if (::strncmp("a+", mode_str, 2) == 0)
{
mode = QIODevice::ReadWrite | QIODevice::Append;
}
else
{
std::string err("Error: invalid mode flag:");
err.append(mode_str).append(" when opening ").append(pFile);
Assimp::DefaultLogger::get()->warn(err);
return 0;
}
QFile *f = new QFile(url.toLocalFile());
bool res = f->open(mode);
if (!res)
{
std::string err("Error: could not open subsequent file:");
err.append(pFile).append("--").append(f->errorString().toStdString());
Assimp::DefaultLogger::get()->warn(err);
delete f;
return 0;
}
m_sub.append(f);
AiLoaderIOStream *s = new AiLoaderIOStream(f);
return s;
}
void AiLoaderIOSystem::Close(Assimp::IOStream* stream)
{
AiLoaderIOStream *s = static_cast<AiLoaderIOStream*>(stream);
Q_ASSERT(s);
s->device()->close();
delete stream;
}
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