/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/

#include "reuse.h"

#include <QtCore/QLatin1String>

#include <glsl/glsllexer.h>

using namespace GLSL;

namespace GLSLEditor {
namespace Internal {

int languageVariant(const QString &mimeType)
{
    int variant = 0;
    bool isVertex = false;
    bool isFragment = false;
    bool isDesktop = false;
    if (mimeType.isEmpty()) {
        // ### Before file has been opened, so don't know the mime type.
        isVertex = true;
        isFragment = true;
    } else if (mimeType == QLatin1String("text/x-glsl") ||
               mimeType == QLatin1String("application/x-glsl")) {
        isVertex = true;
        isFragment = true;
        isDesktop = true;
    } else if (mimeType == QLatin1String("text/x-glsl-vert")) {
        isVertex = true;
        isDesktop = true;
    } else if (mimeType == QLatin1String("text/x-glsl-frag")) {
        isFragment = true;
        isDesktop = true;
    } else if (mimeType == QLatin1String("text/x-glsl-es-vert")) {
        isVertex = true;
    } else if (mimeType == QLatin1String("text/x-glsl-es-frag")) {
        isFragment = true;
    }
    if (isDesktop)
        variant |= Lexer::Variant_GLSL_120;
    else
        variant |= Lexer::Variant_GLSL_ES_100;
    if (isVertex)
        variant |= Lexer::Variant_VertexShader;
    if (isFragment)
        variant |= Lexer::Variant_FragmentShader;
    return variant;
}

} // Internal
} // GLSLEditor

