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-rw-r--r--ingen/LV2Features.hpp93
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diff --git a/ingen/LV2Features.hpp b/ingen/LV2Features.hpp
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--- a/ingen/LV2Features.hpp
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-/*
- This file is part of Ingen.
- Copyright 2007-2016 David Robillard <http://drobilla.net/>
-
- Ingen is free software: you can redistribute it and/or modify it under the
- terms of the GNU Affero General Public License as published by the Free
- Software Foundation, either version 3 of the License, or any later version.
-
- Ingen 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 Affero General Public License for details.
-
- You should have received a copy of the GNU Affero General Public License
- along with Ingen. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef INGEN_LV2FEATURES_HPP
-#define INGEN_LV2FEATURES_HPP
-
-#include "ingen/ingen.h"
-#include "ingen/types.hpp"
-#include "lv2/core/lv2.h"
-#include "raul/Noncopyable.hpp"
-
-#include <string>
-#include <vector>
-
-namespace ingen {
-
-class Node;
-class World;
-
-/** Features for use by LV2 plugins.
- * @ingroup IngenShared
- */
-class INGEN_API LV2Features {
-public:
- LV2Features() = default;
-
- class Feature {
- public:
- virtual ~Feature() = default;
-
- virtual const char* uri() const = 0;
-
- virtual SPtr<LV2_Feature> feature(World& world,
- Node* block) = 0;
-
-protected:
- static void free_feature(LV2_Feature* feature);
- };
-
- class EmptyFeature : public Feature {
- public:
- explicit EmptyFeature(const char* uri) : _uri(uri) {}
-
- const char* uri() const override { return _uri; }
-
- SPtr<LV2_Feature> feature(World& world, Node* block) override {
- return SPtr<LV2_Feature>();
- }
-
- const char* _uri;
- };
-
- class FeatureArray : public Raul::Noncopyable {
- public:
- using FeatureVector = std::vector<SPtr<LV2_Feature>>;
-
- explicit FeatureArray(FeatureVector& features);
-
- ~FeatureArray();
-
- LV2_Feature** array() { return _array; }
-
- private:
- FeatureVector _features;
- LV2_Feature** _array;
- };
-
- void add_feature(const SPtr<Feature>& feature);
- bool is_supported(const std::string& uri) const;
-
- SPtr<FeatureArray> lv2_features(World& world, Node* node) const;
-
-private:
- using Features = std::vector<SPtr<Feature>>;
- Features _features;
-};
-
-} // namespace ingen
-
-#endif // INGEN_LV2FEATURES_HPP