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/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Quick 3D.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qssgrenderinputstreamfactory_p.h"
#include <QtQuick3DUtils/private/qssgutils_p.h>
#include <QtCore/QDir>
#include <QtCore/QDirIterator>
#include <QtCore/QFile>
#include <QtCore/QFileInfo>
#include <QtCore/QUrl>
#include <QtCore/QMutexLocker>
#include <limits>
QT_BEGIN_NAMESPACE
namespace {
class QSSGInputStream : public QFile
{
public:
explicit QSSGInputStream(const QString &inPath) : QFile(inPath), m_path(inPath) {}
~QSSGInputStream() override = default;
QString path() const { return m_path; }
private:
QString m_path;
};
QString normalizePathForQtUsage(const QString &path)
{
// path can be a file path or a qrc URL string.
QString filePath = QDir::cleanPath(path);
if (filePath.startsWith(QLatin1String("qrc:/")))
return filePath.mid(3);
return filePath;
}
const QString Q3DSTUDIO_TAG = QStringLiteral("qt3dstudio");
}
QSSGInputStreamFactory::~QSSGInputStreamFactory() {}
QSSGInputStreamFactory::QSSGInputStreamFactory()
{
// Add the top-level qrc directory
if (!QDir::searchPaths(Q3DSTUDIO_TAG).contains(QLatin1String(":/")))
QDir::addSearchPath(Q3DSTUDIO_TAG, QStringLiteral(":/"));
}
void QSSGInputStreamFactory::addSearchDirectory(const QString &inDirectory)
{
QMutexLocker factoryLocker(&m_mutex);
QString localDir = normalizePathForQtUsage(inDirectory);
QDir directory(localDir);
if (!directory.exists()) {
qCritical("Adding search directory: %s", inDirectory.toUtf8().constData());
return;
}
if (!QDir::searchPaths(Q3DSTUDIO_TAG).contains(localDir))
QDir::addSearchPath(Q3DSTUDIO_TAG, localDir);
}
QSharedPointer<QIODevice> QSSGInputStreamFactory::getStreamForFile(const QString &inFilename, bool inQuiet)
{
QMutexLocker factoryLocker(&m_mutex);
QString localFile = normalizePathForQtUsage(inFilename);
QFileInfo fileInfo = QFileInfo(localFile);
QIODevice *inputStream = nullptr;
// Try to match the file with the search paths
if (!fileInfo.exists())
fileInfo.setFile(QStringLiteral("qt3dstudio:") + localFile);
if (fileInfo.exists()) {
QSSGInputStream *file = new QSSGInputStream(fileInfo.absoluteFilePath());
if (file->open(QIODevice::ReadOnly))
inputStream = file;
}
if (!inputStream && !inQuiet) {
// Print extensive debugging information.
qCritical("Failed to find file: %s", inFilename.toLatin1().data());
qCritical("Searched path: %s", QDir::searchPaths(Q3DSTUDIO_TAG).join(',').toLatin1().constData());
}
return QSharedPointer<QIODevice>(inputStream);
}
bool QSSGInputStreamFactory::getPathForFile(const QString &inFilename, QString &outFile, bool inQuiet)
{
QSharedPointer<QIODevice> theStream = getStreamForFile(inFilename, inQuiet);
if (theStream) {
QSSGInputStream *theRealStream = static_cast<QSSGInputStream *>(theStream.data());
outFile = theRealStream->path();
return true;
}
return false;
}
QT_END_NAMESPACE
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