- /*
- * Copyright 2001-2004 The Apache Software Foundation.
- *
- * Licensed 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: SingleNodeCounter.java,v 1.5 2004/02/16 22:54:59 minchau Exp $
- */
-
- package com.sun.org.apache.xalan.internal.xsltc.dom;
-
- import com.sun.org.apache.xalan.internal.xsltc.DOM;
- import com.sun.org.apache.xalan.internal.xsltc.Translet;
- import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;
-
- /**
- * @author Jacek Ambroziak
- * @author Santiago Pericas-Geertsen
- */
- public abstract class SingleNodeCounter extends NodeCounter {
- static private final int[] EmptyArray = new int[] { };
- DTMAxisIterator _countSiblings = null;
-
- public SingleNodeCounter(Translet translet,
- DOM document,
- DTMAxisIterator iterator) {
- super(translet, document, iterator);
- }
-
- public NodeCounter setStartNode(int node) {
- _node = node;
- _nodeType = _document.getExpandedTypeID(node);
- _countSiblings = _document.getAxisIterator(PRECEDINGSIBLING);
- return this;
- }
-
- public String getCounter() {
- int result;
- if (_value != Integer.MIN_VALUE) {
- result = _value;
- }
- else {
- int next = _node;
- result = 0;
- if (!matchesCount(next)) {
- while ((next = _document.getParent(next)) > END) {
- if (matchesCount(next)) {
- break; // found target
- }
- if (matchesFrom(next)) {
- next = END;
- break; // no target found
- }
- }
- }
-
- if (next != END) {
- _countSiblings.setStartNode(next);
- do {
- if (matchesCount(next)) result++;
- } while ((next = _countSiblings.next()) != END);
- }
- else {
- // If no target found then pass the empty list
- return formatNumbers(EmptyArray);
- }
- }
- return formatNumbers(result);
- }
-
- public static NodeCounter getDefaultNodeCounter(Translet translet,
- DOM document,
- DTMAxisIterator iterator) {
- return new DefaultSingleNodeCounter(translet, document, iterator);
- }
-
- static class DefaultSingleNodeCounter extends SingleNodeCounter {
- public DefaultSingleNodeCounter(Translet translet,
- DOM document, DTMAxisIterator iterator) {
- super(translet, document, iterator);
- }
-
- public NodeCounter setStartNode(int node) {
- _node = node;
- _nodeType = _document.getExpandedTypeID(node);
- _countSiblings =
- _document.getTypedAxisIterator(PRECEDINGSIBLING,
- _document.getExpandedTypeID(node));
- return this;
- }
-
- public String getCounter() {
- int result;
- if (_value != Integer.MIN_VALUE) {
- result = _value;
- }
- else {
- int next;
- result = 1;
- _countSiblings.setStartNode(_node);
- while ((next = _countSiblings.next()) != END) {
- result++;
- }
- }
- return formatNumbers(result);
- }
- }
- }
-