| /* |
| * @(#)$Id$ |
| * |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xalan" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 2001, Sun |
| * Microsystems., http://www.sun.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| * @author Jacek Ambroziak |
| * @author Santiago Pericas-Geertsen |
| * |
| */ |
| |
| package org.apache.xalan.xsltc.dom; |
| |
| import org.apache.xalan.xsltc.DOM; |
| import org.apache.xalan.xsltc.Translet; |
| import org.apache.xalan.xsltc.NodeIterator; |
| import org.apache.xalan.xsltc.util.IntegerArray; |
| |
| public abstract class MultipleNodeCounter extends NodeCounter { |
| private NodeIterator _precSiblings = null; |
| |
| public MultipleNodeCounter(Translet translet, |
| DOM document, NodeIterator iterator) { |
| super(translet, document, iterator); |
| } |
| |
| public NodeCounter setStartNode(int node) { |
| _node = node; |
| _nodeType = _document.getType(node); |
| _precSiblings = _document.getAxisIterator(PRECEDINGSIBLING); |
| return this; |
| } |
| |
| public String getCounter() { |
| if (_value != Integer.MIN_VALUE) { |
| return formatNumbers(_value); |
| } |
| |
| IntegerArray ancestors = new IntegerArray(); |
| |
| // Gather all ancestors that do not match from pattern |
| int next = _node; |
| ancestors.add(next); // include self |
| while ((next = _document.getParent(next)) > END && |
| !matchesFrom(next)) { |
| ancestors.add(next); |
| } |
| |
| // Create an array of counters |
| final int nAncestors = ancestors.cardinality(); |
| final int[] counters = new int[nAncestors]; |
| for (int i = 0; i < nAncestors; i++) { |
| counters[i] = Integer.MIN_VALUE; |
| } |
| |
| // Increment array of counters according to semantics |
| for (int j = 0, i = nAncestors - 1; i >= 0 ; i--, j++) { |
| final int counter = counters[j]; |
| final int ancestor = ancestors.at(i); |
| |
| if (matchesCount(ancestor)) { |
| _precSiblings.setStartNode(ancestor); |
| while ((next = _precSiblings.next()) != END) { |
| if (matchesCount(next)) { |
| counters[j] = (counters[j] == Integer.MIN_VALUE) ? 1 |
| : counters[j] + 1; |
| } |
| } |
| // Count the node itself |
| counters[j] = counters[j] == Integer.MIN_VALUE |
| ? 1 |
| : counters[j] + 1; |
| } |
| } |
| return formatNumbers(counters); |
| } |
| |
| public static NodeCounter getDefaultNodeCounter(Translet translet, |
| DOM document, |
| NodeIterator iterator) { |
| return new DefaultMultipleNodeCounter(translet, document, iterator); |
| } |
| |
| static class DefaultMultipleNodeCounter extends MultipleNodeCounter { |
| public DefaultMultipleNodeCounter(Translet translet, |
| DOM document, |
| NodeIterator iterator) { |
| super(translet, document, iterator); |
| } |
| } |
| } |