counter_vector.h

#ifndef BF_COUNTER_VECTOR_H
#define BF_COUNTER_VECTOR_H

#include <cstdint>
#include <vector>
#include <bf/bitvector.h>

namespace bf {

class counter_vector
{
  friend std::string to_string(counter_vector const&, bool, size_t);

public:
  counter_vector(size_t cells, size_t width);

  bool increment(size_t cell, size_t value = 1);

  bool decrement(size_t cell, size_t value = 1);

  size_t count(size_t cell) const;

  void set(size_t cell, size_t value);

  void clear();

  size_t size() const;

  size_t max() const;

  size_t width() const;

private:
  bitvector bits_;
  size_t width_;
};

std::string to_string(counter_vector const& v, bool all = false,
                      size_t cut_off = 0);

} // namespace bf

#endif