final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);
                }
            }
            return sb.toString();
        }

   */
  @Override
  public final String escape(String s) {
    checkNotNull(s); // GWT specific check (do not optimize)
    for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      if ((c < replacementsLength && replacements[c] != null)
          || c > safeMaxChar
          || c < safeMinChar) {
        return escapeSlow(s, i);
      }
    }
    return s;
  }

        while ((line = br.readLine()) != null) {
            line = line.toUpperCase().trim();
            if (line.length() == 0) {
                continue;
            }
            if (line.charAt(0) == '#') {
                if (line.startsWith("#INCLUDE ")) {
                    line = line.substring(line.indexOf('\\'));
                    final String url = "smb:" + line.replace('\\', '/');

  /** Helper to manually escape a 7-bit ascii character */
  private String escapeAscii(char c) {
    Preconditions.checkArgument(c < 128);
    String hex = "0123456789ABCDEF";
    return "%" + hex.charAt((c >> 4) & 0xf) + hex.charAt(c & 0xf);
  }

            final StringBuilder sb = new StringBuilder();
            for (int i = 0; i < s.length(); i++) {
                final char ch = s.charAt(i);
                if (ch == '\\' && i < s.length() - 1) {
                    i++;
                    sb.append(s.charAt(i));
                } else {
                    sb.append(ch);
                }
            }
            return sb.toString();
        }

        this.length = this.maximum_length = (short) ((len + zt) * 2);
        this.buffer = new short[len + zt];

        int i;
        for (i = 0; i < len; i++) {
            this.buffer[i] = (short) str.charAt(i);
        }
        if (zterm) {
            this.buffer[i] = (short) 0;
        }
    }

    @Override
    public String toString() {
        final int len = this.length / 2 - (this.zterm ? 1 : 0);

    String testString = "abcdef";
    Reader reader = new StringReader(testString);

    assertEquals(testString.charAt(0), reader.read());
    CharStreams.skipFully(reader, 1);
    assertEquals(testString.charAt(2), reader.read());
    CharStreams.skipFully(reader, 2);
    assertEquals(testString.charAt(5), reader.read());

    assertEquals(-1, reader.read());
  }

  public void testAsWriter() {

    String testString = "abcdef";
    Reader reader = new StringReader(testString);

    assertEquals(testString.charAt(0), reader.read());
    CharStreams.skipFully(reader, 1);
    assertEquals(testString.charAt(2), reader.read());
    CharStreams.skipFully(reader, 2);
    assertEquals(testString.charAt(5), reader.read());

    assertEquals(-1, reader.read());
  }

  public void testAsWriter() {

        if (text == null) {
            return null;
        }
        final char[] chars = new char[text.length()];
        for (int i = 0; i < chars.length; i++) {
            final char c = text.charAt(i);
            if (c >= 'ａ' && c <= 'ｚ') {
                chars[i] = (char) (c - 'ａ' + 'a');
            } else if (c >= 'Ａ' && c <= 'Ｚ') {
                chars[i] = (char) (c - 'Ａ' + 'A');

                @Override
                public String toString() {
                    return name;
                }

                @Override
                public char charAt(final int index) {
                    return name.charAt(index);
                }

                @Override
                public int length() {
                    return name.length();
                }