Examples of java.text.CharacterIterator.first()

java.text.CharacterIterator.first()
Sets the position to getBeginIndex() and returns the character at that position. @return the first character in the text, or DONE if the text is empty @see #getBeginIndex()

   * @param string text to encode
   * @return number of UTF-8 bytes required to encode
   */
  public static int utf8Length(String string) {
    CharacterIterator iter = new StringCharacterIterator(string);
    char ch = iter.first();
    int size = 0;
    while (ch != CharacterIterator.DONE) {
      if ((ch >= 0xD800) && (ch < 0xDC00)) {
        // surrogate pair?
        char trail = iter.next();

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        }


        path = path.replace('\\', '/');


        CharacterIterator iter = new StringCharacterIterator(path);
        for (char c = iter.first(); c != CharacterIterator.DONE;
             c = iter.next()) {
            if (c < 256 && isSpecial[c]) {
                sb.append('%');
                sb.append(escapedChar1[c]);
                sb.append(escapedChar2[c]);

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            uri = uri.substring(1);
        }


        StringBuffer sb = new StringBuffer();
        CharacterIterator iter = new StringCharacterIterator(uri);
        for (char c = iter.first(); c != CharacterIterator.DONE;
             c = iter.next()) {
            if (c == '%') {
                char c1 = iter.next();
                if (c1 != CharacterIterator.DONE) {
                    int i1 = Character.digit(c1, 16);

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        String label = "";
        if (o instanceof CharacterIterator) {
      CharacterIterator iter = (CharacterIterator) o;
      char[] cbuff = new char[iter.getEndIndex()-iter.getBeginIndex()];
      if (cbuff.length > 0) {
          cbuff[0] = iter.first();
      }
      for (int i=1; i<cbuff.length;++i) {
          cbuff[i] = iter.next();
      }
      label = new String(cbuff);

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   * </ul>
   */
  static String escapeText(String input) {
    StringBuilder builder = new StringBuilder(input.length());
    CharacterIterator iter = new StringCharacterIterator(input);
    for(char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
      switch(c) {
        case '\b':
          builder.append("\\b");
          break;
        case '\f':

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                CharacterIterator ci = textNode.getCharacterIterator(start);


                float lineWidth = 0;
                int lastWhitespaceIndex = -1;


                char c = ci.first();
                while (c != CharacterIterator.DONE
                    && lineWidth < breakWidth) {
                    if (Character.isWhitespace(c)) {
                        lastWhitespaceIndex = ci.getIndex();
                    }

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            return encodedText;
        }
        StringBuilder sb = new StringBuilder();
        char[] digits = new char[4];
        CharacterIterator iter = new StringCharacterIterator(encodedText);
        for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
            if (c == '_') {
                // Read the next character, if there is one ...
                char next = iter.next();
                if (next == CharacterIterator.DONE) {
                    sb.append(c);

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        if (text == null) return null;
        if (text.length() == 0) return text;
        StringBuilder sb = new StringBuilder();
        String hex = null;
        CharacterIterator iter = new StringCharacterIterator(text);
        for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
            if (c == '_') {
                // Read the next character (if there is one) ...
                char next = iter.next();
                if (next == CharacterIterator.DONE) {
                    sb.append(c);

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     */
    public String encode( String text ) {
        if (text == null) return null;
        StringBuilder sb = new StringBuilder();
        CharacterIterator iter = new StringCharacterIterator(text);
        for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
            switch (c) {
                case '&':
                    sb.append("&amp;");
                    break;
                case '"':

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     */
    public String decode( String encodedText ) {
        if (encodedText == null) return null;
        StringBuilder sb = new StringBuilder();
        CharacterIterator iter = new StringCharacterIterator(encodedText);
        for (char c = iter.first(); c != CharacterIterator.DONE; c = iter.next()) {
            if (c == '&') {
                int index = iter.getIndex();
                
                do {
                    c = iter.next();

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