Lv2Features.h

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/*
 * Lv2Features.h - Lv2Features class
 *
 * Copyright (c) 2020-2020 Johannes Lorenz <jlsf2013$users.sourceforge.net, $=@>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_LV2_FEATURES_H
#define LMMS_LV2_FEATURES_H
 
#include "lmmsconfig.h"
 
#ifdef LMMS_HAVE_LV2
 
#include <map>
#include <string_view>
#include <vector>
 
#include <lv2/core/lv2.h>
 
namespace lmms
{

class Lv2Features
{
public:
    static bool isFeatureSupported(const char *featName);
 
    Lv2Features();

    void initCommon();
    void*& operator[](const char* featName);
    void createFeatureVectors();
    const LV2_Feature* const* featurePointers() const
    {
        return m_featurePointers.data();
    }

    void clear();
 
private:
    std::vector<LV2_Feature> m_features;
    std::vector<const LV2_Feature*> m_featurePointers;
    std::map<std::string_view, void*> m_featureByUri;
};
 
 
} // namespace lmms
 
#endif // LMMS_HAVE_LV2
 
#endif // LMMS_LV2_FEATURES_H