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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.fo.flow;
-
- import java.util.Iterator;
- import java.util.Stack;
-
- import org.apache.fop.apps.FOPException;
- import org.apache.fop.complexscripts.bidi.DelimitedTextRange;
- import org.apache.fop.fo.Constants;
- import org.apache.fop.fo.FONode;
- import org.apache.fop.fo.PropertyList;
- import org.apache.fop.fo.properties.Property;
- import org.apache.fop.util.CharUtilities;
-
- /**
- * Class modelling the <a href="http://www.w3.org/TR/xsl/#fo_bidi-override">
- * <code>fo:bidi-override</code></a> object.
- */
- public class BidiOverride extends Inline {
-
- // The value of FO traits (refined properties) that apply to fo:bidi-override
- // (that are not implemented by InlineLevel).
- private Property letterSpacing;
- private Property wordSpacing;
- private int direction;
- private int unicodeBidi;
- // private int scoreSpaces;
- // End of trait values
-
- /**
- * Base constructor
- *
- * @param parent FONode that is the parent of this object
- */
- public BidiOverride(FONode parent) {
- super(parent);
- }
-
- /** {@inheritDoc} */
- public void bind(PropertyList pList) throws FOPException {
- super.bind(pList);
- letterSpacing = pList.get(PR_LETTER_SPACING);
- wordSpacing = pList.get(PR_WORD_SPACING);
- direction = pList.get(PR_DIRECTION).getEnum();
- unicodeBidi = pList.get(PR_UNICODE_BIDI).getEnum();
- }
-
- /** @return the "letter-spacing" trait */
- public Property getLetterSpacing() {
- return letterSpacing;
- }
-
- /** @return the "word-spacing" trait */
- public Property getWordSpacing() {
- return wordSpacing;
- }
-
- /** @return the "direction" trait */
- public int getDirection() {
- return direction;
- }
-
- /** @return the "unicodeBidi" trait */
- public int getUnicodeBidi() {
- return unicodeBidi;
- }
-
- /** {@inheritDoc} */
- public String getLocalName() {
- return "bidi-override";
- }
-
- /**
- * {@inheritDoc}
- * @return {@link org.apache.fop.fo.Constants#FO_BIDI_OVERRIDE}
- */
- public int getNameId() {
- return FO_BIDI_OVERRIDE;
- }
-
- @Override
- protected Stack<DelimitedTextRange> collectDelimitedTextRanges(Stack<DelimitedTextRange> ranges,
- DelimitedTextRange currentRange) {
- char pfx = 0;
- char sfx = 0;
- int unicodeBidi = getUnicodeBidi();
- int direction = getDirection();
- if (unicodeBidi == Constants.EN_BIDI_OVERRIDE) {
- pfx = (direction == Constants.EN_RTL) ? CharUtilities.RLO : CharUtilities.LRO;
- sfx = CharUtilities.PDF;
- } else if (unicodeBidi == Constants.EN_EMBED) {
- pfx = (direction == Constants.EN_RTL) ? CharUtilities.RLE : CharUtilities.LRE;
- sfx = CharUtilities.PDF;
- }
- if (currentRange != null) {
- if (pfx != 0) {
- currentRange.append(pfx, this);
- }
- for (Iterator it = getChildNodes(); (it != null) && it.hasNext();) {
- ranges = ((FONode) it.next()).collectDelimitedTextRanges(ranges);
- }
- if (sfx != 0) {
- currentRange.append(sfx, this);
- }
- }
- return ranges;
- }
-
- }
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