Lv2UridCache.h

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/*
 * Lv2UridCache.h - Lv2UridCache definition
 *
 * 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_URID_CACHE_H
#define LMMS_LV2_URID_CACHE_H
 
#include "lmmsconfig.h"
 
#ifdef LMMS_HAVE_LV2
 
#include <cstdint>
 
 
namespace lmms
{
 

class Lv2UridCache
{
public:
        enum class Id 
        {
                // keep it alphabetically (except "size" at the end)
                atom_Float,
                atom_Int,
                bufsz_minBlockLength,
                bufsz_maxBlockLength,
                bufsz_nominalBlockLength,
                bufsz_sequenceSize,
                midi_MidiEvent,
                param_sampleRate,
                // exception to alphabetic ordering - keep at the end:
                size
        };
 
        template<typename T>
        struct IdForType;

        uint32_t operator[](Id id) const;
 
        Lv2UridCache(class UridMap& mapper);
 
private:
        uint32_t m_cache[static_cast<int>(Id::size)];
};
 
template<> struct Lv2UridCache::IdForType<float> { static constexpr auto value = Id::atom_Float; };
template<> struct Lv2UridCache::IdForType<std::int32_t> { static constexpr auto value = Id::atom_Int; };
 
 
} // namespace lmms
 
#endif // LMMS_HAVE_LV2
 
#endif // LMMS_LV2_URID_CACHE_H