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fix(types): int8_t -> uint8_t; -1 -> 255

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SEK1RO
2024-09-30 13:10:47 +03:00
parent 1d6b086bfa
commit 7e78bca810
10 changed files with 86 additions and 86 deletions
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22
src/baseN.cpp
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@ -9,24 +9,24 @@ static constexpr auto log256 = std::log(256);
namespace baseN
{
void digitsMap(const char *digits, uint8_t digits_size, int8_t *map)
void digitsMap(const char *digits, uint8_t digits_size, uint8_t *map)
{
std::fill(map, map + 256, -1);
std::fill(map, map + 256, 255);
for (uint8_t i = 0; i < digits_size; i++)
{
if (map[(int8_t)digits[i]] != -1)
if (map[(uint8_t)digits[i]] != 255)
{
throw std::logic_error("baseN::digitsMap: alphabet contain same chars");
}
map[(int8_t)digits[i]] = i;
map[(uint8_t)digits[i]] = i;
}
}
bool isValid(const char *str, size_t str_size, const int8_t *map) noexcept
bool isValid(const char *str, size_t str_size, const uint8_t *map) noexcept
{
return std::all_of(str, str + str_size, [map](char ch)
{ return map[(int8_t)ch] != -1; });
{ return map[(uint8_t)ch] != 255; });
}
bool isValid(std::string_view str, const int8_t *map) noexcept
bool isValid(std::string_view str, const uint8_t *map) noexcept
{
return baseN::isValid(str.data(), str.size(), map);
}
@ -99,7 +99,7 @@ namespace baseN
str.erase(str.begin(), str.begin() + offset);
return str;
}
size_t decode(const char *str, size_t str_size, uint8_t *data, size_t data_size, uint8_t base, const char *digits, const int8_t *map)
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::string_view sv(std::find_if(str, str + str_size, [digits](char ch)
{ return ch != digits[0]; }),
@ -117,10 +117,10 @@ namespace baseN
if (sv.size() != 0)
{
quo_it_last++;
*quo_it = map[(int8_t)*sv_it++];
*quo_it = map[(uint8_t)*sv_it++];
while (sv_it < sv.end())
{
div = map[(int8_t)*sv_it++];
div = map[(uint8_t)*sv_it++];
while (quo_it < quo_it_last && quo_it < dv.rend())
{
div += *quo_it * base;
@ -141,7 +141,7 @@ namespace baseN
}
return std::distance(quo_it_last, dv.rend());
}
std::vector<uint8_t> decode(std::string_view str, uint8_t base, const char *digits, const int8_t *map) noexcept
std::vector<uint8_t> decode(std::string_view str, uint8_t base, const char *digits, const uint8_t *map) noexcept
{
std::vector<uint8_t> data(baseN::sizeDecoded(str, base, digits));
size_t offset = baseN::decode(str.data(), str.size(), data.data(), data.size(), base, digits, map);