decoder.hpp

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#pragma once
 
#include <span>
#include <functional>
 
#include "deccore.hpp"
 
namespace itk::itkpix::endec {
 
namespace intf {
 
template<typename T>
class Decoder {
public:
  using EventCallback = T;
 
  virtual ~Decoder() = default;
 
  virtual void reset() = 0;
 
  virtual void decode(EventCallback& cb, std::span<const uint8_t> buff, uint8_t pos = 0) = 0;
 
  virtual void decode(EventCallback& cb, std::span<const uint64_t> buff, uint8_t pos = 0) = 0;
 
  // properties
  virtual void set_options(const Options& opt) = 0;
  virtual uint64_t get_status() = 0;
  virtual void set_status(uint64_t status) = 0;
};
 
} // intf
 
namespace factory {
 
struct Decoder {
 
  inline auto operator()() { return func(); }
 
  inline auto operator()(Options opt) { return func_opt(opt); }
 
  template<typename T>
  static inline Decoder make() {
    Decoder maker;
    maker.func = []() -> auto { return new T(); };
    maker.func_opt = [](Options opt) -> auto { return new T(opt); };
    return maker;
  }
 
  std::function<intf::Decoder<intf::EventCallback>* ()> func;
  std::function<intf::Decoder<intf::EventCallback>* (Options opt)> func_opt;
};
 
} // factory
 
 
} // itk::itkpix::decoder