Examples of java.text.StringCharacterIterator

java.text.StringCharacterIterator
StringCharacterIterator implements the CharacterIterater protocol for a String. The StringCharacterIterator class iterates over the entire String. @see CharacterIterator

    {
        if ( to_process == null || to_process.length() == 0 )
            return "";
    
        StringBuffer bs = new StringBuffer(to_process.length() + 50);
        StringCharacterIterator sci = new StringCharacterIterator(to_process);
        String tmp = new String();


        for (char c = sci.first(); c != CharacterIterator.DONE; c = sci.next())
        {
            tmp = String.valueOf(c);
            
            if (hasAttribute(tmp))
                tmp = (String) this.get(tmp);

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   * required to encode the string.
   * @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();
        if ((trail > 0xDBFF) && (trail < 0xE000)) {
          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;
      } else {
        // ch < 0x10000, that is, the largest char value
        size += 3;
      }
      ch = iter.next();
    }
    return size;
  }

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   * required to encode the string.
   * @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();
        if ((trail > 0xDBFF) && (trail < 0xE000)) {
          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;
      } else {
        // ch < 0x10000, that is, the largest char value
        size += 3;
      }
      ch = iter.next();
    }
    return size;
  }

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     * escape characters
     */
    private void string(Object obj) {
        this.add('"');


        CharacterIterator it = new StringCharacterIterator(obj.toString());


        for (char c = it.first(); c != CharacterIterator.DONE; c = it.next()) {
            if (c == '"') {
                this.add("\\\"");
            } else if (c == '\\') {
                this.add("\\\\");
            } else if (c == '/') {

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                    // NOTE We use a character iterator here only because it is the most
                    // efficient way to measure the character bounds (as of Java 6, the version
                    // of Font#getStringBounds() that takes a String performs a string copy,
                    // whereas the version that takes a character iterator does not)
                    StringCharacterIterator ci = new StringCharacterIterator(text);
                    while (i < n) {
                        char c = text.charAt(i);
                        if (c == '\n') {
                            appendLine(text, start, i, fontRenderContext);

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            }
        }
    }


    private void appendLine(String text, int start, int end, FontRenderContext fontRenderContext) {
        StringCharacterIterator line = new StringCharacterIterator(text, start, end, start);
        GlyphVector glyphVector = font.createGlyphVector(fontRenderContext, line);
        glyphVectors.add(glyphVector);


        Rectangle2D textBounds = glyphVector.getLogicalBounds();
        textHeight += textBounds.getHeight();

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   */
  protected List<String> parseCommaSeparatedList(String s) {
    List<String> result = new ArrayList<String>();
    if (s != null && !"".equals(s)) {


      StringCharacterIterator iterator = new StringCharacterIterator(s);
      char c = iterator.first();


      StringBuilder strb = new StringBuilder();
      boolean insideExpression = false;


      while (c != StringCharacterIterator.DONE) {
        if (c == '{' || c == '$') {
          insideExpression = true;
        } else if (c == '}') {
          insideExpression = false;
        } else if (c == ',' && !insideExpression) {
          result.add(strb.toString().trim());
          strb.delete(0, strb.length());
        }


        if (c != ',' || (insideExpression)) {
          strb.append(c);
        }


        c = iterator.next();
      }


      if (strb.length() > 0) {
        result.add(strb.toString().trim());
      }

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   * required to encode the string.
   * @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();
        if ((trail > 0xDBFF) && (trail < 0xE000)) {
          // valid pair
          size += 4;
        } else {
          // invalid pair
          size += 3;
          iter.previous(); // rewind one
        }
      } else if (ch < 0x80) {
        size++;
      } else if (ch < 0x800) {
        size += 2;
      } else {
        // ch < 0x10000, that is, the largest char value
        size += 3;
      }
      ch = iter.next();
    }
    return size;
  }

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          return read(it, NEXT);
      }


      public Object read(String string) 
      {
          return read(new StringCharacterIterator(string), FIRST);
      }

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    public static String translatePath(String to_process) {
        if ( to_process == null || to_process.length() == 0 )
            return "";
    
        StringBuffer bs = new StringBuffer(to_process.length() + 50);
        StringCharacterIterator sci = new StringCharacterIterator(to_process);
        String path = System.getProperty("path.separator");
        String file = System.getProperty("file.separator");
        String tmp = null;
        for (char c = sci.first(); c != CharacterIterator.DONE; c = sci.next()) {
            tmp = String.valueOf(c);
            
            if (tmp.equals(":") || tmp.equals(";"))
                tmp = path;
            else if (tmp.equals("/") || tmp.equals ("\\"))

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