Java Code Examples for java.text.AttributedCharacterIterator#getRunStart()

/**
 * finds attributes with regards to char index in this
 * AttributedCharacterIterator, and puts them in a vector
 *
 * @param iterator
 * @return a vector, each entry in this vector are of type FieldContainer,
 *       which stores start and end indexes and an attribute this range has
 */
protected static Vector<FieldContainer> findFields(AttributedCharacterIterator iterator) {
  Vector<FieldContainer> result = new Vector<FieldContainer>();
  while (iterator.getIndex() != iterator.getEndIndex()) {
    int start = iterator.getRunStart();
    int end = iterator.getRunLimit();

    Iterator<Attribute> it = iterator.getAttributes().keySet().iterator();
    while (it.hasNext()) {
      AttributedCharacterIterator.Attribute attribute = it.next();
      Object value = iterator.getAttribute(attribute);
      result.add(new FieldContainer(start, end, attribute, value));
      // System.out.println(start + " " + end + ": " + attribute + ",
      // " + value );
      // System.out.println("v.add(new FieldContainer(" + start +"," +
      // end +"," + attribute+ "," + value+ "));");
    }
    iterator.setIndex(end);
  }
  return result;
}
 

private int[] getAttributeIntervals(int from, int to, StyleAttribute attribute) {
    List<Integer> indices = new java.util.ArrayList<Integer>();
    AttributedCharacterIterator aci = iterator;
    int savedIndex = aci.getIndex();
    int b = start;
    int e = end;
    aci.setIndex(b);
    while (aci.getIndex() < e) {
        int s = aci.getRunStart(attribute);
        int l = aci.getRunLimit(attribute);
        if (s < b)
            s = b;
        indices.add(s - b);
        aci.setIndex(l);
        if (l > e)
            l = e;
        indices.add(l - b);
    }
    aci.setIndex(savedIndex);
    return Integers.toArray(indices);
}
 

/**
 * @see Graphics2D#drawString(AttributedCharacterIterator, float, float)
 */
@Override
public void drawString( final AttributedCharacterIterator iter, float x, final float y ) {
  /*
   * StringBuffer sb = new StringBuffer(); for(char c = iter.first(); c != AttributedCharacterIterator.DONE; c =
   * iter.next()) { sb.append(c); } drawString(sb.toString(),x,y);
   */
  final StringBuilder stringbuffer = new StringBuilder( iter.getEndIndex() );
  for ( char c = iter.first(); c != AttributedCharacterIterator.DONE; c = iter.next() ) {
    if ( iter.getIndex() == iter.getRunStart() ) {
      if ( stringbuffer.length() > 0 ) {
        drawString( stringbuffer.toString(), x, y );
        final FontMetrics fontmetrics = getFontMetrics();
        x = (float) ( x + fontmetrics.getStringBounds( stringbuffer.toString(), this ).getWidth() );
        stringbuffer.delete( 0, stringbuffer.length() );
      }
      doAttributes( iter );
    }
    stringbuffer.append( c );
  }

  drawString( stringbuffer.toString(), x, y );
  underline = false;
}
 

/**
 * finds attributes with regards to char index in this
 * AttributedCharacterIterator, and puts them in a vector
 *
 * @param iterator
 * @return a vector, each entry in this vector are of type FieldContainer ,
 *         which stores start and end indexes and an attribute this range
 *         has
 */
private static List<FieldContainer> findFields(AttributedCharacterIterator iterator) {
    List<FieldContainer> result = new ArrayList<FieldContainer>();
    while (iterator.getIndex() != iterator.getEndIndex()) {
        int start = iterator.getRunStart();
        int end = iterator.getRunLimit();

        Iterator it = iterator.getAttributes().keySet().iterator();
        while (it.hasNext()) {
            AttributedCharacterIterator.Attribute attribute = (AttributedCharacterIterator.Attribute) it
                    .next();
            Object value = iterator.getAttribute(attribute);
            result.add(new FieldContainer(start, end, attribute, value));
            // System.out.println(start + " " + end + ": " + attribute + ",
            // " + value );
            // System.out.println("v.add(new FieldContainer(" + start +"," +
            // end +"," + attribute+ "," + value+ "));");
        }
        iterator.setIndex(end);
    }
    return result;
}
 

private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, Set keys, int[] expectedLimits) throws Exception {
    int previous = 0;
    char c = iterator.first();
    for (int i = 0; i < expectedLimits.length; i++) {
         if (iterator.getRunStart(keys) != previous || iterator.getRunLimit(keys) != expectedLimits[i]) {
             throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart(keys) + ", " + iterator.getRunLimit(keys) + " for keys " + keys);
         }
         previous = expectedLimits[i];
         c = iterator.setIndex(previous);
    }
    if (c != CharacterIterator.DONE) {
        throwException(iterator, "iterator's run sequence doesn't end with DONE");
    }
}
 

private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, Set keys, int[] expectedLimits) throws Exception {
    int previous = 0;
    char c = iterator.first();
    for (int i = 0; i < expectedLimits.length; i++) {
         if (iterator.getRunStart(keys) != previous || iterator.getRunLimit(keys) != expectedLimits[i]) {
             throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart(keys) + ", " + iterator.getRunLimit(keys) + " for keys " + keys);
         }
         previous = expectedLimits[i];
         c = iterator.setIndex(previous);
    }
    if (c != CharacterIterator.DONE) {
        throwException(iterator, "iterator's run sequence doesn't end with DONE");
    }
}
 

private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, Attribute key, int[] expectedLimits) throws Exception {
    int previous = 0;
    char c = iterator.first();
    for (int i = 0; i < expectedLimits.length; i++) {
         if (iterator.getRunStart(key) != previous || iterator.getRunLimit(key) != expectedLimits[i]) {
             throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart(key) + ", " + iterator.getRunLimit(key) + " for key " + key);
         }
         previous = expectedLimits[i];
         c = iterator.setIndex(previous);
    }
    if (c != CharacterIterator.DONE) {
        throwException(iterator, "iterator's run sequence doesn't end with DONE");
    }
}
 

private void populateText(Paragraph p, AttributedString as, boolean insertBreakBefore, Direction blockDirection) {
    if (as != null) {
        List<Serializable> content = p.getContent();
        if (insertBreakBefore)
            content.add(ttmlFactory.createBr(ttmlFactory.createBreak()));
        AttributedCharacterIterator aci = as.getIterator();
        aci.first();
        StringBuffer sb = new StringBuffer();
        while (aci.current() != CharacterIterator.DONE) {
            int i = aci.getRunStart();
            int e = aci.getRunLimit();
            Map<AttributedCharacterIterator.Attribute,Object> attributes = aci.getAttributes();
            while (i < e) {
                sb.append(aci.setIndex(i++));
            }
            String text = sb.toString();
            if (!text.isEmpty()) {
                if (!attributes.isEmpty()) {
                    populateAttributedText(content, text, attributes, blockDirection);
                } else {
                    content.add(text);
                }
            }
            sb.setLength(0);
            aci.setIndex(e);
        }
    }
}
 

/**
 * @see Graphics2D#drawString(AttributedCharacterIterator, float, float)
 */
@Override
public void drawString(AttributedCharacterIterator iter, float x, float y) {
	/*
	StringBuffer sb = new StringBuffer();
	for(char c = iter.first(); c != AttributedCharacterIterator.DONE; c = iter.next()) {
	    sb.append(c);
	}
	drawString(sb.toString(),x,y);
	*/
	StringBuffer stringbuffer = new StringBuffer(iter.getEndIndex());
	for (char c = iter.first(); c != '\uFFFF'; c = iter.next()) {
		if (iter.getIndex() == iter.getRunStart()) {
			if (stringbuffer.length() > 0) {
				drawString(stringbuffer.toString(), x, y);
				FontMetrics fontmetrics = getFontMetrics();
				x = (float) (x + fontmetrics.getStringBounds(stringbuffer.toString(), this).getWidth());
				stringbuffer.delete(0, stringbuffer.length());
			}
			doAttributes(iter);
		}
		stringbuffer.append(c);
	}

	drawString(stringbuffer.toString(), x, y);
	underline = false;
}
 

private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, Attribute key, int[] expectedLimits) throws Exception {
    int previous = 0;
    char c = iterator.first();
    for (int i = 0; i < expectedLimits.length; i++) {
         if (iterator.getRunStart(key) != previous || iterator.getRunLimit(key) != expectedLimits[i]) {
             throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart(key) + ", " + iterator.getRunLimit(key) + " for key " + key);
         }
         previous = expectedLimits[i];
         c = iterator.setIndex(previous);
    }
    if (c != CharacterIterator.DONE) {
        throwException(iterator, "iterator's run sequence doesn't end with DONE");
    }
}
 

private static final void dumpIterator(AttributedCharacterIterator iterator) {
    Set attributeKeys = iterator.getAllAttributeKeys();
    System.out.print("All attributes: ");
    Iterator keyIterator = attributeKeys.iterator();
    while (keyIterator.hasNext()) {
        Attribute key = (Attribute) keyIterator.next();
        System.out.print(key);
    }
    for(char c = iterator.first(); c != CharacterIterator.DONE; c = iterator.next()) {
        if (iterator.getIndex() == iterator.getBeginIndex() ||
                    iterator.getIndex() == iterator.getRunStart()) {
            System.out.println();
            Map attributes = iterator.getAttributes();
            Set entries = attributes.entrySet();
            Iterator attributeIterator = entries.iterator();
            while (attributeIterator.hasNext()) {
                Map.Entry entry = (Map.Entry) attributeIterator.next();
                System.out.print("<" + entry.getKey() + ": "
                            + entry.getValue() + ">");
            }
        }
        System.out.print(" ");
        System.out.print(c);
    }
    System.out.println();
    System.out.println("done");
    System.out.println();
}
 

private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, Set keys, int[] expectedLimits) throws Exception {
    int previous = 0;
    char c = iterator.first();
    for (int i = 0; i < expectedLimits.length; i++) {
         if (iterator.getRunStart(keys) != previous || iterator.getRunLimit(keys) != expectedLimits[i]) {
             throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart(keys) + ", " + iterator.getRunLimit(keys) + " for keys " + keys);
         }
         previous = expectedLimits[i];
         c = iterator.setIndex(previous);
    }
    if (c != CharacterIterator.DONE) {
        throwException(iterator, "iterator's run sequence doesn't end with DONE");
    }
}
 

private static final void dumpIterator(AttributedCharacterIterator iterator) {
    Set attributeKeys = iterator.getAllAttributeKeys();
    System.out.print("All attributes: ");
    Iterator keyIterator = attributeKeys.iterator();
    while (keyIterator.hasNext()) {
        Attribute key = (Attribute) keyIterator.next();
        System.out.print(key);
    }
    for(char c = iterator.first(); c != CharacterIterator.DONE; c = iterator.next()) {
        if (iterator.getIndex() == iterator.getBeginIndex() ||
                    iterator.getIndex() == iterator.getRunStart()) {
            System.out.println();
            Map attributes = iterator.getAttributes();
            Set entries = attributes.entrySet();
            Iterator attributeIterator = entries.iterator();
            while (attributeIterator.hasNext()) {
                Map.Entry entry = (Map.Entry) attributeIterator.next();
                System.out.print("<" + entry.getKey() + ": "
                            + entry.getValue() + ">");
            }
        }
        System.out.print(" ");
        System.out.print(c);
    }
    System.out.println();
    System.out.println("done");
    System.out.println();
}
 

private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, int[] expectedLimits) throws Exception {
    int previous = 0;
    char c = iterator.first();
    for (int i = 0; i < expectedLimits.length; i++) {
         if (iterator.getRunStart() != previous || iterator.getRunLimit() != expectedLimits[i]) {
             throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart() + ", " + iterator.getRunLimit());
         }
         previous = expectedLimits[i];
         c = iterator.setIndex(previous);
    }
    if (c != CharacterIterator.DONE) {
        throwException(iterator, "iterator's run sequence doesn't end with DONE");
    }
}
 

/**
 * @see Graphics2D#drawString(AttributedCharacterIterator, float, float)
 */
public void drawString(AttributedCharacterIterator iter, float x, float y) {

	if(onlyShapes) {
		/*
		 * When drawing shapes, always use TextLayout, because it will
		 * ensure all chars are correctly layouted. With this even Bidi Texts work
		 * perfect.
		 */
		TextLayout textLayout = new TextLayout(iter, getFontRenderContext());
		textLayout.draw(this, x, y);
		return;
		
	}
    StringBuffer stringbuffer = new StringBuffer(iter.getEndIndex());
    for(char c = iter.first(); c != '\uFFFF'; c = iter.next())
    {
        if(iter.getIndex() == iter.getRunStart())
        {
            if(stringbuffer.length() > 0)
            {
                drawString(stringbuffer.toString(), x, y);
                FontMetrics fontmetrics = getFontMetrics();
                x = (float)(x + fontmetrics.getStringBounds(stringbuffer.toString(), this).getWidth());
                stringbuffer.delete(0, stringbuffer.length());
            }
            doAttributes(iter);
        }
        stringbuffer.append(c);
    }
    
    drawString(stringbuffer.toString(), x, y);
    underline = false;
}
 

private static final void dumpIterator(AttributedCharacterIterator iterator) {
    Set attributeKeys = iterator.getAllAttributeKeys();
    System.out.print("All attributes: ");
    Iterator keyIterator = attributeKeys.iterator();
    while (keyIterator.hasNext()) {
        Attribute key = (Attribute) keyIterator.next();
        System.out.print(key);
    }
    for(char c = iterator.first(); c != CharacterIterator.DONE; c = iterator.next()) {
        if (iterator.getIndex() == iterator.getBeginIndex() ||
                    iterator.getIndex() == iterator.getRunStart()) {
            System.out.println();
            Map attributes = iterator.getAttributes();
            Set entries = attributes.entrySet();
            Iterator attributeIterator = entries.iterator();
            while (attributeIterator.hasNext()) {
                Map.Entry entry = (Map.Entry) attributeIterator.next();
                System.out.print("<" + entry.getKey() + ": "
                            + entry.getValue() + ">");
            }
        }
        System.out.print(" ");
        System.out.print(c);
    }
    System.out.println();
    System.out.println("done");
    System.out.println();
}
 

private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, Set keys, int[] expectedLimits) throws Exception {
    int previous = 0;
    char c = iterator.first();
    for (int i = 0; i < expectedLimits.length; i++) {
         if (iterator.getRunStart(keys) != previous || iterator.getRunLimit(keys) != expectedLimits[i]) {
             throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart(keys) + ", " + iterator.getRunLimit(keys) + " for keys " + keys);
         }
         previous = expectedLimits[i];
         c = iterator.setIndex(previous);
    }
    if (c != CharacterIterator.DONE) {
        throwException(iterator, "iterator's run sequence doesn't end with DONE");
    }
}
 

private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, int[] expectedLimits) throws Exception {
    int previous = 0;
    char c = iterator.first();
    for (int i = 0; i < expectedLimits.length; i++) {
         if (iterator.getRunStart() != previous || iterator.getRunLimit() != expectedLimits[i]) {
             throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart() + ", " + iterator.getRunLimit());
         }
         previous = expectedLimits[i];
         c = iterator.setIndex(previous);
    }
    if (c != CharacterIterator.DONE) {
        throwException(iterator, "iterator's run sequence doesn't end with DONE");
    }
}
 

public static void main(String[] args) throws Exception {

        String text = "Hello world";
        AttributedString as = new AttributedString(text);

        // add non-Annotation attributes
        as.addAttribute(TextAttribute.WEIGHT,
                        TextAttribute.WEIGHT_LIGHT,
                        0,
                        3);
        as.addAttribute(TextAttribute.WEIGHT,
                        TextAttribute.WEIGHT_BOLD,
                        3,
                        5);
        as.addAttribute(TextAttribute.WEIGHT,
                        TextAttribute.WEIGHT_EXTRABOLD,
                        5,
                        text.length());

        // add Annotation attributes
        as.addAttribute(TextAttribute.WIDTH,
                        new Annotation(TextAttribute.WIDTH_EXTENDED),
                        0,
                        3);
        as.addAttribute(TextAttribute.WIDTH,
                        new Annotation(TextAttribute.WIDTH_CONDENSED),
                        3,
                        4);

        AttributedCharacterIterator aci = as.getIterator(null, 2, 4);

        aci.first();
        int runStart = aci.getRunStart();
        if (runStart != 2) {
            throw new Exception("1st run start is wrong. ("+runStart+" should be 2.)");
        }

        int runLimit = aci.getRunLimit();
        if (runLimit != 3) {
            throw new Exception("1st run limit is wrong. ("+runLimit+" should be 3.)");
        }

        Object value = aci.getAttribute(TextAttribute.WEIGHT);
        if (value != TextAttribute.WEIGHT_LIGHT) {
            throw new Exception("1st run attribute is wrong. ("
                                +value+" should be "+TextAttribute.WEIGHT_LIGHT+".)");
        }

        value = aci.getAttribute(TextAttribute.WIDTH);
        if (value != null) {
            throw new Exception("1st run annotation is wrong. ("
                                +value+" should be null.)");
        }

        aci.setIndex(runLimit);
        runStart = aci.getRunStart();
        if (runStart != 3) {
            throw new Exception("2nd run start is wrong. ("+runStart+" should be 3.)");
        }

        runLimit = aci.getRunLimit();
        if (runLimit != 4) {
            throw new Exception("2nd run limit is wrong. ("+runLimit+" should be 4.)");
        }
        value = aci.getAttribute(TextAttribute.WEIGHT);
        if (value != TextAttribute.WEIGHT_BOLD) {
            throw new Exception("2nd run attribute is wrong. ("
                                +value+" should be "+TextAttribute.WEIGHT_BOLD+".)");
        }

        value = aci.getAttribute(TextAttribute.WIDTH);
        if (!(value instanceof Annotation)
            || (((Annotation)value).getValue() !=  TextAttribute.WIDTH_CONDENSED)) {
            throw new Exception("2nd run annotation is wrong. (" + value + " should be "
                                + new Annotation(TextAttribute.WIDTH_CONDENSED)+".)");
        }
    }
 

public static void main(String[] args) throws Exception {

        String text = "Hello world";
        AttributedString as = new AttributedString(text);

        // add non-Annotation attributes
        as.addAttribute(TextAttribute.WEIGHT,
                        TextAttribute.WEIGHT_LIGHT,
                        0,
                        3);
        as.addAttribute(TextAttribute.WEIGHT,
                        TextAttribute.WEIGHT_BOLD,
                        3,
                        5);
        as.addAttribute(TextAttribute.WEIGHT,
                        TextAttribute.WEIGHT_EXTRABOLD,
                        5,
                        text.length());

        // add Annotation attributes
        as.addAttribute(TextAttribute.WIDTH,
                        new Annotation(TextAttribute.WIDTH_EXTENDED),
                        0,
                        3);
        as.addAttribute(TextAttribute.WIDTH,
                        new Annotation(TextAttribute.WIDTH_CONDENSED),
                        3,
                        4);

        AttributedCharacterIterator aci = as.getIterator(null, 2, 4);

        aci.first();
        int runStart = aci.getRunStart();
        if (runStart != 2) {
            throw new Exception("1st run start is wrong. ("+runStart+" should be 2.)");
        }

        int runLimit = aci.getRunLimit();
        if (runLimit != 3) {
            throw new Exception("1st run limit is wrong. ("+runLimit+" should be 3.)");
        }

        Object value = aci.getAttribute(TextAttribute.WEIGHT);
        if (value != TextAttribute.WEIGHT_LIGHT) {
            throw new Exception("1st run attribute is wrong. ("
                                +value+" should be "+TextAttribute.WEIGHT_LIGHT+".)");
        }

        value = aci.getAttribute(TextAttribute.WIDTH);
        if (value != null) {
            throw new Exception("1st run annotation is wrong. ("
                                +value+" should be null.)");
        }

        aci.setIndex(runLimit);
        runStart = aci.getRunStart();
        if (runStart != 3) {
            throw new Exception("2nd run start is wrong. ("+runStart+" should be 3.)");
        }

        runLimit = aci.getRunLimit();
        if (runLimit != 4) {
            throw new Exception("2nd run limit is wrong. ("+runLimit+" should be 4.)");
        }
        value = aci.getAttribute(TextAttribute.WEIGHT);
        if (value != TextAttribute.WEIGHT_BOLD) {
            throw new Exception("2nd run attribute is wrong. ("
                                +value+" should be "+TextAttribute.WEIGHT_BOLD+".)");
        }

        value = aci.getAttribute(TextAttribute.WIDTH);
        if (!(value instanceof Annotation)
            || (((Annotation)value).getValue() !=  TextAttribute.WIDTH_CONDENSED)) {
            throw new Exception("2nd run annotation is wrong. (" + value + " should be "
                                + new Annotation(TextAttribute.WIDTH_CONDENSED)+".)");
        }
    }