lzw-assignment/src/bitpack.hh

#ifndef LZW_SRC_BITPACK_H_
#define LZW_SRC_BITPACK_H_

#include <cstdint>
#include <string>
#include <vector>

[[nodiscard]] std::vector<unsigned char>
pack(const std::vector<std::uint16_t> &);

[[nodiscard]] std::vector<unsigned char>
pack_n(std::vector<std::uint16_t>::const_iterator,
       std::vector<std::uint16_t>::const_iterator, std::vector<unsigned char> &,
       int);

[[nodiscard]] std::vector<unsigned char>
pack_16(std::vector<std::uint16_t>::const_iterator,
        std::vector<std::uint16_t>::const_iterator,
        std::vector<unsigned char> &);

[[nodiscard]] std::vector<std::uint16_t>
unpack(std::basic_string<unsigned char> &&);

[[nodiscard]] std::vector<std::uint16_t>
unpack_n(std::basic_string<unsigned char>::const_iterator t_begin,
         std::basic_string<unsigned char>::const_iterator t_end,
         std::vector<std::uint16_t> &, int t_n);

[[nodiscard]] std::vector<std::uint16_t>
unpack_16(std::basic_string<unsigned char>::const_iterator,
          std::basic_string<unsigned char>::const_iterator,
          std::vector<std::uint16_t> &);

#endif /* LZW_SRC_BITPACK_H_ */