baseN.hpp

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#pragma once
 
#include <cstdint>
#include <span>
#include <string>
#include <vector>
 
namespace baseN
{
    void digitsMap(const char *digits, uint8_t digits_size, uint8_t *map);
    bool isValid(const char *str, size_t str_size, const uint8_t *map) noexcept;
    bool isValid(std::string_view str, const uint8_t *map) noexcept;
 
    size_t sizeEncoded(std::span<const uint8_t> data, uint8_t base);
    size_t sizeDecoded(std::string_view str, uint8_t base, const char *digits);
 
    size_t encode(const uint8_t *data, size_t data_size, char *str, size_t str_size, uint8_t base, const char *digits);
    std::string encode(std::span<const uint8_t> data, uint8_t base, const char *digits);
 
    size_t decode(const char *str, size_t str_size, uint8_t *data, size_t data_size, uint8_t base, const char *digits, const uint8_t *map);
    std::vector<uint8_t> decode(std::string_view str, uint8_t base, const char *digits, const uint8_t *map);
}