Java Bidi类代码示例

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
@SuppressWarnings("unused")
public static String bidiReorder(IBFFontRenderer font, String text)
{
    if (betterFontsEnabled && font.getStringRenderer() != null)
    {
        return text;
    }

    try
    {
        Bidi bidi = new Bidi((new ArabicShaping(8)).shape(text), 127);
        bidi.setReorderingMode(0);
        return bidi.writeReordered(2);
    } catch (ArabicShapingException var3)
    {
        return text;
    }
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
/**
 * Figures out if the given text requires Bidi processing
 * 
 * @param txt
 *            String to query Bidi processing
 * @param inFormat
 *            String representing input Bidi format
 * @param outFormat
 *            String representing output Bidi format
 * @return Boolean indicating whether the string needs Bidi processing
 */
private boolean isBidi( String txt, String inFormat, String outFormat )
{
	if ( txt == null || txt.length( ) < 1 )
		return false;

	if ( !( new Bidi( txt, DIRECTION_RIGHT_TO_LEFT ) ).isLeftToRight( ) )
		return true;

	boolean inIsRTL = BidiConstants.TEXT_DIRECTION_RTL.equals( BidiFormat
			.getTextDirectionFromStr( inFormat ) );

	boolean outIsRTL = BidiConstants.TEXT_DIRECTION_RTL.equals( BidiFormat
			.getTextDirectionFromStr( outFormat ) );

	return inIsRTL != outIsRTL;
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
public void initialize( ) throws BirtException
{
	hasStyle = false;
	boxStyle = BoxStyle.DEFAULT;
	localProperties = LocalProperties.DEFAULT;
	maxAvaWidth = parent.getCurrentMaxContentWidth( );
	width = maxAvaWidth;
	// Derive the baseLevel from the parent content direction.
	if ( parent.content != null )
	{
		// IContent#isDirectionRTL already looks at computed style
		if ( parent.content.isDirectionRTL( ) )
			baseLevel = Bidi.DIRECTION_RIGHT_TO_LEFT;
	}
	//parent.add( this );
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
protected void initialize( )
{
	int currentIP = 0;
	if(contextList.size()>0)
	{
		currentIP = contextList.get(contextList.size()-1).currentIP;
	}
	currentContext = new ContainerContext( );
	currentContext.currentIP = currentIP;
	contextList.add( currentContext );
	createRoot( );
	currentContext.maxAvaWidth = parent.getCurrentMaxContentWidth( );
	currentContext.maxAvaHeight = parent.getCurrentMaxContentHeight( );
	currentContext.root.setWidth( parent.getCurrentMaxContentWidth( ) );
	lineHeight = ( (BlockStackingLayout) parent ).getLineHeight( );

	 // Derive the baseLevel from the parent content direction.
	if ( parent.content != null )
	{
		if ( CSSConstants.CSS_RTL_VALUE.equals( parent.content
				.getComputedStyle( ).getDirection( ) ) )
			baseLevel = Bidi.DIRECTION_RIGHT_TO_LEFT;
	}
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
/**
 * Apply Unicode Bidirectional Algorithm to string and return a new possibly reordered string for visual rendering.
 */
private String bidiReorder(String p_147647_1_)
{
    try
    {
        Bidi bidi = new Bidi((new ArabicShaping(8)).shape(p_147647_1_), 127);
        bidi.setReorderingMode(0);
        return bidi.writeReordered(2);
    }
    catch (ArabicShapingException var3)
    {
        return p_147647_1_;
    }
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
void verifyValidParaOrLine()
{
    Bidi para = this.paraBidi;
    /* verify Para */
    if (this == para) {
        return;
    }
    /* verify Line */
    if ((para == null) || (para != para.paraBidi)) {
        throw new IllegalStateException();
    }
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
/**
    * Apply Unicode Bidirectional Algorithm to string and return a new possibly reordered string for visual rendering.
    */
   private String bidiReorder(String p_147647_1_)
   {
try
{
    Bidi var3 = new Bidi((new ArabicShaping(8)).shape(p_147647_1_), 127);
    var3.setReorderingMode(0);
    return var3.writeReordered(2);
}
catch (ArabicShapingException var31)
{
    return p_147647_1_;
}
   }
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
private byte directionFromFlags() {
    /* if the text contains AN and neutrals, then some neutrals may become RTL */
    if (!((flags & MASK_RTL) != 0 ||
          ((flags & DirPropFlag(AN)) != 0 &&
           (flags & MASK_POSSIBLE_N) != 0))) {
        return Bidi.DIRECTION_LEFT_TO_RIGHT;
    } else if ((flags & MASK_LTR) == 0) {
        return Bidi.DIRECTION_RIGHT_TO_LEFT;
    } else {
        return MIXED;
    }
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
/**
 * Return true if the specified text requires bidi analysis. If this returns
 * false, the text will display left-to-right. Clients can then avoid
 * constructing a Bidi object. Text in the Arabic Presentation Forms area of
 * Unicode is presumed to already be shaped and ordered for display, and so
 * will not cause this method to return true.
 *
 * @param text the text containing the characters to test
 * @param start the start of the range of characters to test
 * @param limit the limit of the range of characters to test
 *
 * @return true if the range of characters requires bidi analysis
 *
 * @stable ICU 3.8
 */
public static boolean requiresBidi(char[] text,
        int start,
        int limit)
{
    final int RTLMask = (1 << Bidi.DIRECTION_RIGHT_TO_LEFT |
            1 << AL |
            1 << RLE |
            1 << RLO |
            1 << AN);

    if (0 > start || start > limit || limit > text.length) {
        throw new IllegalArgumentException("Value start " + start +
                  " is out of range 0 to " + limit);
    }
    for (int i = start; i < limit; ++i) {
        if (Character.isHighSurrogate(text[i]) && i < (limit-1) &&
            Character.isLowSurrogate(text[i+1])) {
            if (((1 << UCharacter.getDirection(Character.codePointAt(text, i))) & RTLMask) != 0) {
                return true;
            }
        } else if (((1 << UCharacter.getDirection(text[i])) & RTLMask) != 0) {
            return true;
        }
    }
    return false;
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
/**
 * Apply Unicode Bidirectional Algorithm to string and return a new possibly reordered string for visual rendering.
 */
private String bidiReorder(String text)
{
    try
    {
        Bidi bidi = new Bidi((new ArabicShaping(8)).shape(text), 127);
        bidi.setReorderingMode(0);
        return bidi.writeReordered(2);
    }
    catch (ArabicShapingException var3)
    {
        return text;
    }
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
protected String bidiReorder(String p_147647_1_)
{
    try
    {
        Bidi bidi = new Bidi((new ArabicShaping(8)).shape(p_147647_1_), 127);
        bidi.setReorderingMode(0);
        return bidi.writeReordered(2);
    }
    catch (ArabicShapingException arabicshapingexception)
    {
        return p_147647_1_;
    }
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
private String func_147647_b(String p_147647_1_)
{
    try
    {
        Bidi var3 = new Bidi((new ArabicShaping(8)).shape(p_147647_1_), 127);
        var3.setReorderingMode(0);
        return var3.writeReordered(2);
    }
    catch (ArabicShapingException var31)
    {
        return p_147647_1_;
    }
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
@Override
protected void createControl(Composite parent, int styles) {

	// Use LEFT_TO_RIGHT unless otherwise specified.
	if ((styles & SWT.RIGHT_TO_LEFT) == 0 && (styles & SWT.LEFT_TO_RIGHT) == 0)
		styles |= SWT.LEFT_TO_RIGHT;

	final int baseLevel= (styles & SWT.RIGHT_TO_LEFT) != 0 ? Bidi.DIRECTION_RIGHT_TO_LEFT : Bidi.DIRECTION_LEFT_TO_RIGHT;

	super.createControl(parent, styles);

	fBackspaceManager= new SmartBackspaceManager();
	fBackspaceManager.install(this);

	StyledText text= getTextWidget();
	text.addBidiSegmentListener(new BidiSegmentListener() {
		public void lineGetSegments(BidiSegmentEvent event) {
			if (redraws()) {
				try {
					event.segments= getBidiLineSegments(getDocument(), baseLevel, widgetOffset2ModelOffset(event.lineOffset), event.lineText);
				} catch (BadLocationException e) {
					// don't touch the segments
				}
			}
		}
	});
}
 

import com.ibm.icu.text.Bidi; //导入依赖的package包/类
private String bidiReorder(String p_147647_1_)
{
    try
    {
        Bidi bidi = new Bidi((new ArabicShaping(8)).shape(p_147647_1_), 127);
        bidi.setReorderingMode(0);
        return bidi.writeReordered(2);
    }
    catch (ArabicShapingException arabicshapingexception)
    {
        return p_147647_1_;
    }
}