Function HexEncode

cpp/src/arrow/util/string.cc:28–37

namespace arrow {

std::string HexEncode(const uint8_t* data, size_t length) {
  std::string hex_string(length * 2, '\0');
  for (size_t j = 0, i = 0; j < length; ++j) {
    // Convert to 2 base16 digits
    constexpr auto kHexDigitTable = "0123456789ABCDEF";
    hex_string[i++] = kHexDigitTable[data[j] >> 4];
    hex_string[i++] = kHexDigitTable[data[j] & 0b1111];
  }
  return hex_string;
}

std::string Escape(const char* data, size_t length) {
  std::string escaped_string;