Function HexDecode

renderdoc/serialise/codecs/xml_codec.cpp:187–222

}

static void HexDecode(const char *str, const char *end, bytebuf &out)
{
  out.reserve((end - str) / 2);

  if(str[0] == '\n')
    str++;

  while(str + 1 < end)
  {
    if(IsHex(str[0]) && IsHex(str[1]))
    {
      out.push_back(byte((FromHex(str[0]) << 4) | FromHex(str[1])));

      str += 2;

      // allow a space after hex, as a byte group
      if(str[0] == ' ')
        str++;

      // if we encounter more spaces though, it indicates the end of a line.
    }
    else
    {
      // on the first non-hex char we encounter, skip to the next newline. This might do nothing if
      // the char itself was a newline.
      while(str[0] != '\n' && str < end)
        str++;

      // the loop above terminates in two ways - when it encounters a newline or when it reaches the
      // end of the string. We can just assume we encountered a newline and increment past it - if
      // we're already past the end, going further past will still make us fail the loop condition
      // and terminate.
      str++;
    }
  }
}

static bool Obj2XML(pugi::xml_node &parent, SDObject &child)
{