Function eqIgnoreCaseWs

src/proxy/http/ForwardedConfig.cc:98–117

Compare a TextView to a nul-termimated string, converting the TextView to lower case and ignoring whitespace in it.

// Compare a TextView to a nul-termimated string, converting the TextView to lower case and ignoring whitespace in it.
//
bool
eqIgnoreCaseWs(swoc::TextView sv, const char *target)
{
  const char *s = sv.data();

  std::size_t skip = 0;
  std::size_t i    = 0;

  while ((i + skip) < sv.size()) {
    if (std::isspace(s[i + skip])) {
      ++skip;
    } else if (std::tolower(s[i + skip]) != target[i]) {
      return false;
    } else {
      ++i;
    }
  }

  return target[i] == '\0';
}

} // end anonymous namespace