int i, u, end;
            char c;

            end = userInfo.length();
            for (i = 0, u = 0; i < end; i++) {
                c = userInfo.charAt(i);
                if (c == ';') {
                    domain = userInfo.substring(0, i);
                    u = i + 1;
                } else if (c == ':') {
                    password = userInfo.substring(i + 1);

            return in;
        }

        final StringBuilder buf = new StringBuilder(in.length());
        char c;
        for (int i = 0; i < in.length(); i++) {
            c = in.charAt(i);
            if (c == 0x9 || c == 0xA || c == 0xD || c >= 0x20 && c <= 0xD7FF || c >= 0xE000 && c <= 0xFFFD
                    || c >= 0x10000 && c <= 0x10FFFF) {
                buf.append(c);
            }

        final ArrayList<String> result = new ArrayList<>();
        int quoteCount = 0;
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < line.length(); i++) {
            final char c = line.charAt(i);

            if (c == QUOTE) {
                insideQuote = !insideQuote;
                quoteCount++;
            }

            if (c == COMMA && !insideQuote) {

     *
     * @param hostname the hostname to check
     * @return whether this is an IP address
     */
    public static boolean isDotQuadIP(final String hostname) {
        if (Character.isDigit(hostname.charAt(0))) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();

    public String getReadString() {
        return str.substring(0, colno - 1);
    }

    private int read() {
        if (colno >= str.length()) {
            return -1;
        }
        return str.charAt(colno++);
    }

    private void initVal() {
        sval = null;
    }

    private boolean processEOF() {
        if (peekc < 0) {
            ttype = TT_EOF;
            return true;

        if (resourceBundle == null) {
            return null;
        }

        final int length = messageCode.length();
        if (length > CODE_NUMBER_LENGTH) {
            final String key = messageCode.charAt(0) + messageCode.substring(length - CODE_NUMBER_LENGTH);
            final String pattern = ResourceBundleUtil.getString(resourceBundle, key);
            if (pattern != null) {
                return pattern;
            }

        return getByName(hostname, false);
    }

    static boolean isDotQuadIP(final String hostname) {
        if (hostname != null && hostname.length() > 0 && Character.isDigit(hostname.charAt(0))) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();

    return normalizeWord(word);
  }

  private static String firstCharOnlyToUpper(String word) {
    return word.isEmpty()
        ? word
        : Ascii.toUpperCase(word.charAt(0)) + Ascii.toLowerCase(word.substring(1));
  }

    String expected = charSequence.toString();

    // read char by char
    CharSequenceReader reader = new CharSequenceReader(charSequence);
    for (int i = 0; i < expected.length(); i++) {
      assertEquals(expected.charAt(i), reader.read());
    }
    assertFullyRead(reader);

    // read all to one array
    reader = new CharSequenceReader(charSequence);
    char[] buf = new char[expected.length()];

                throw new RuntimeCIFSException(uee);
            }
            int i, u;
            int end = userInfo.length();
            for (i = 0, u = 0; i < end; i++) {
                char c = userInfo.charAt(i);
                if (c == ';') {
                    dom = userInfo.substring(0, i);
                    u = i + 1;
                } else if (c == ':') {
                    pass = userInfo.substring(i + 1);