Function ParseURI

tensorflow/core/lib/io/path.cc:228–257

}

void ParseURI(StringPiece remaining, StringPiece* scheme, StringPiece* host,
              StringPiece* path) {
  // 0. Parse scheme
  // Make sure scheme matches [a-zA-Z][0-9a-zA-Z.]*
  // TODO(keveman): Allow "+" and "-" in the scheme.
  // Keep URI pattern in tensorboard/backend/server.py updated accordingly
  if (!strings::Scanner(remaining)
           .One(strings::Scanner::LETTER)
           .Many(strings::Scanner::LETTER_DIGIT_DOT)
           .StopCapture()
           .OneLiteral("://")
           .GetResult(&remaining, scheme)) {
    // If there's no scheme, assume the entire string is a path.
    *scheme = StringPiece(remaining.begin(), 0);
    *host = StringPiece(remaining.begin(), 0);
    *path = remaining;
    return;
  }

  // 1. Parse host
  if (!strings::Scanner(remaining).ScanUntil('/').GetResult(&remaining, host)) {
    // No path, so the rest of the URI is the host.
    *host = remaining;
    *path = StringPiece(remaining.end(), 0);
    return;
  }

  // 2. The rest is the path
  *path = remaining;
}

string CreateURI(StringPiece scheme, StringPiece host, StringPiece path) {
  if (scheme.empty()) {