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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 "q3dsmaterialdefinitionparser.h"
#include <QtCore/qfile.h>
#include <QtCore/qdir.h>
#include <QtCore/qxmlstream.h>
#include <QtCore/qtextstream.h>
#include <QtCore/qdebug.h>
namespace Q3DStudio {
void Q3DSMaterialDefinitionParser::getMaterialInfo(const QString &materialDefinition,
const QString &projPath, const QString &presPath,
QString &outName, QMap<QString, QString> &outValues,
QMap<QString, QMap<QString, QString>> &outTextureValues)
{
// materialDefinition can be the .materialdef file name or its content
QString matDef;
if (materialDefinition.endsWith(QLatin1String(".materialdef"), Qt::CaseInsensitive)) {
QFile file(materialDefinition);
if (!file.open(QFile::Text | QFile::ReadOnly)) {
qWarning() << __FUNCTION__ << "Failed to open material definition file:"
<< file.errorString();
return;
}
QTextStream stream(&file);
matDef = stream.readAll();
} else {
matDef = materialDefinition;
}
QXmlStreamReader reader(matDef);
reader.setNamespaceProcessing(false);
const QDir docDir(presPath);
const QDir projDir(projPath);
QString textureName;
QString propertyName;
QString propertyType;
QString propertyValue;
QMap<QString, QString> textureProperties;
const QString matDataVersion = QStringLiteral("1.0");
const QString sourcePathStr = QStringLiteral("sourcepath");
const QString nameStr = QStringLiteral("name");
const QString typeStr = QStringLiteral("type");
const QString versionStr = QStringLiteral("version");
while (!reader.atEnd()) {
reader.readNext();
if (reader.tokenType() == QXmlStreamReader::StartElement) {
if (reader.name() == QLatin1String("TextureData")) {
textureName = reader.attributes().value(nameStr).toString();
textureProperties.clear();
} else if (reader.name() == QLatin1String("Property")) {
propertyName = reader.attributes().value(nameStr).toString();
propertyType = reader.attributes().value(typeStr).toString();
propertyValue.clear();
} else if (reader.name() == QLatin1String("MaterialData")) {
QString version = reader.attributes().value(versionStr).toString();
if (version != matDataVersion) {
qWarning() << __FUNCTION__ << "Invalid MaterialData version; expected '"
<< matDataVersion << "', got '" << version << "'";
outName.clear();
outValues.clear();
outTextureValues.clear();
return;
}
}
} else if (reader.tokenType() == QXmlStreamReader::EndElement) {
if (reader.name() == QLatin1String("TextureData")) {
outTextureValues[textureName] = textureProperties;
textureName.clear();
} else if (reader.name() == QLatin1String("Property")) {
if (textureName.isEmpty()) {
outValues[propertyName] = propertyValue;
if (propertyName == nameStr)
outName = propertyValue;
} else {
textureProperties[propertyName] = propertyValue;
}
propertyName.clear();
propertyType.clear();
}
} else if (reader.tokenType() == QXmlStreamReader::Characters) {
if (!propertyName.isEmpty()) {
propertyValue = reader.text().toString();
if (propertyName == sourcePathStr) {
// Check that the referenced file exists
const auto absSourcePath = projDir.absoluteFilePath(propertyValue);
if (!QFileInfo(absSourcePath).exists()) {
qWarning() << __FUNCTION__ << "Referenced file doesn't exist:"
<< propertyValue;
outName.clear();
outValues.clear();
outTextureValues.clear();
return;
}
}
if (!propertyValue.isEmpty() && (propertyType == QLatin1String("Texture")
|| propertyName == sourcePathStr)) {
propertyValue = docDir.relativeFilePath(
projDir.absoluteFilePath(propertyValue));
}
}
}
}
}
}
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