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- #pragma once
- #include <util/generic/string.h>
- #include <util/generic/yexception.h>
- #include <util/system/yassert.h>
- inline static char DigitToChar(unsigned char digit) {
- if (digit < 10) {
- return (char)digit + '0';
- }
- return (char)(digit - 10) + 'A';
- }
- extern const char* const Char2DigitTable;
- inline static int Char2Digit(char ch) {
- char result = Char2DigitTable[(unsigned char)ch];
- Y_ENSURE(result != '\xff', "invalid hex character " << (int)ch);
- return result;
- }
- inline static int String2Byte(const char* s) {
- return Char2Digit(*s) * 16 + Char2Digit(*(s + 1));
- }
- char* HexEncode(const void* in, size_t len, char* out);
- TString HexEncode(const void* in, size_t len);
- inline TString HexEncode(const TStringBuf h) {
- return HexEncode(h.data(), h.size());
- }
- void* HexDecode(const void* in, size_t len, void* ptr);
- TString HexDecode(const void* in, size_t len);
- inline TString HexDecode(const TStringBuf h) {
- return HexDecode(h.data(), h.size());
- }
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