composableFilter.hpp

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
#pragma once
 
#include "okapi/api/filter/filter.hpp"
#include <functional>
#include <initializer_list>
#include <memory>
#include <vector>
 
namespace okapi {
class ComposableFilter : public Filter {
  public:
  ComposableFilter(const std::initializer_list<std::shared_ptr<Filter>> &ilist);
 
  double filter(double ireading) override;
 
  double getOutput() const override;
 
  virtual void addFilter(std::shared_ptr<Filter> ifilter);
 
  protected:
  std::vector<std::shared_ptr<Filter>> filters;
  double output = 0;
};
} // namespace okapi