19f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 29f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Licensed to the Apache Software Foundation (ASF) under one 39f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * or more contributor license agreements. See the NOTICE file 49f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed with this work for additional information 59f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * regarding copyright ownership. The ASF licenses this file 69f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * to you under the Apache License, Version 2.0 (the "License"); 79f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * you may not use this file except in compliance with the License. 89f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * You may obtain a copy of the License at 99f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Unless required by applicable law or agreed to in writing, software 139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * See the License for the specific language governing permissions and 169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * limitations under the License. 179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * $Id: KeyTable.java 468645 2006-10-28 06:57:24Z minchau $ 209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpackage org.apache.xalan.transformer; 229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport java.util.Hashtable; 249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport java.util.Vector; 259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport javax.xml.transform.TransformerException; 279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xalan.templates.KeyDeclaration; 299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.dtm.DTM; 309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.dtm.DTMIterator; 319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.utils.PrefixResolver; 329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.utils.QName; 339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.utils.WrappedRuntimeException; 349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.utils.XMLString; 359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.XPathContext; 369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.objects.XNodeSet; 379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.objects.XObject; 389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/** 409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Table of element keys, keyed by document node. An instance of this 419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * class is keyed by a Document node that should be matched with the 429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * root of the current context. 439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @xsl.usage advanced 449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpublic class KeyTable 469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson{ 479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * The document key. This table should only be used with contexts 499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * whose Document roots match this key. 509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson private int m_docKey; 529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Vector of KeyDeclaration instances holding the key declarations. 559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson private Vector m_keyDeclarations; 579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Hold a cache of key() function result for each ref. 609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Key is XMLString, the ref value 619f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Value is XNodeSet, the key() function result for the given ref value. 629f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 639f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson private Hashtable m_refsTable = null; 649f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 659f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 669f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Get the document root matching this key. 679f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 689f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return the document root matching this key 699f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 709f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public int getDocKey() 719f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 729f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return m_docKey; 739f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 749f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 759f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 769f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * The main iterator that will walk through the source 779f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * tree for this key. 789f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 799f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson private XNodeSet m_keyNodes; 809f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 819f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson KeyIterator getKeyIterator() 829f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 839f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return (KeyIterator)(m_keyNodes.getContainedIter()); 849f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 859f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 869f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 879f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Build a keys table. 889f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param doc The owner document key. 899f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param nscontext The stylesheet's namespace context. 909f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param name The key name 919f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param keyDeclarations The stylesheet's xsl:key declarations. 929f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 939f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws javax.xml.transform.TransformerException 949f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 959f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public KeyTable( 969f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int doc, PrefixResolver nscontext, QName name, Vector keyDeclarations, XPathContext xctxt) 979f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson throws javax.xml.transform.TransformerException 989f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 999f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_docKey = doc; 1009f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_keyDeclarations = keyDeclarations; 1019f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson KeyIterator ki = new KeyIterator(name, keyDeclarations); 1029f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1039f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_keyNodes = new XNodeSet(ki); 1049f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_keyNodes.allowDetachToRelease(false); 1059f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_keyNodes.setRoot(doc, xctxt); 1069f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1079f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1089f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 1099f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Given a valid element key, return the corresponding node list. 1109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param name The name of the key, which must match the 'name' attribute on xsl:key. 1129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param ref The value that must match the value found by the 'match' attribute on xsl:key. 1139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return a set of nodes referenced by the key named <CODE>name</CODE> and the reference <CODE>ref</CODE>. If no node is referenced by this key, an empty node set is returned. 1149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public XNodeSet getNodeSetDTMByKey(QName name, XMLString ref) 1169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XNodeSet refNodes = (XNodeSet) getRefsTable().get(ref); 1199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // clone wiht reset the node set 1209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson try 1219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (refNodes != null) 1239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson refNodes = (XNodeSet) refNodes.cloneWithReset(); 1259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson catch (CloneNotSupportedException e) 1289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson refNodes = null; 1309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (refNodes == null) { 1339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // create an empty XNodeSet 1349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson KeyIterator ki = (KeyIterator) (m_keyNodes).getContainedIter(); 1359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XPathContext xctxt = ki.getXPathContext(); 1369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson refNodes = new XNodeSet(xctxt.getDTMManager()) { 1379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public void setRoot(int nodeHandle, Object environment) { 1389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // Root cannot be set on non-iterated node sets. Ignore it. 1399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson }; 1419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson refNodes.reset(); 1429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return refNodes; 1459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 1489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Get Key Name for this KeyTable 1499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return Key name 1519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public QName getKeyTableName() 1539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return getKeyIterator().getName(); 1559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 1589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return key declarations for the key associated to this KeyTable 1599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson private Vector getKeyDeclarations() { 1619f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int nDeclarations = m_keyDeclarations.size(); 1629f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson Vector keyDecls = new Vector(nDeclarations); 1639f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1649f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // Walk through each of the declarations made with xsl:key 1659f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson for (int i = 0; i < nDeclarations; i++) 1669f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1679f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson KeyDeclaration kd = (KeyDeclaration) m_keyDeclarations.elementAt(i); 1689f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1699f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // Add the declaration if the name on this key declaration 1709f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // matches the name on the iterator for this walker. 1719f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (kd.getName().equals(getKeyTableName())) { 1729f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson keyDecls.add(kd); 1739f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1749f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1759f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1769f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return keyDecls; 1779f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1789f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1799f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 1809f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return lazy initialized refs table associating evaluation of key function 1819f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * with a XNodeSet 1829f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1839f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson private Hashtable getRefsTable() 1849f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1859f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (m_refsTable == null) { 1869f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // initial capacity set to a prime number to improve hash performance 1879f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_refsTable = new Hashtable(89); 1889f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1899f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson KeyIterator ki = (KeyIterator) (m_keyNodes).getContainedIter(); 1909f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XPathContext xctxt = ki.getXPathContext(); 1919f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1929f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson Vector keyDecls = getKeyDeclarations(); 1939f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int nKeyDecls = keyDecls.size(); 1949f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1959f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int currentNode; 1969f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_keyNodes.reset(); 1979f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson while (DTM.NULL != (currentNode = m_keyNodes.nextNode())) 1989f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1999f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson try 2009f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 2019f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson for (int keyDeclIdx = 0; keyDeclIdx < nKeyDecls; keyDeclIdx++) { 2029f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson KeyDeclaration keyDeclaration = 2039f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson (KeyDeclaration) keyDecls.elementAt(keyDeclIdx); 2049f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XObject xuse = 2059f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson keyDeclaration.getUse().execute(xctxt, 2069f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson currentNode, 2079f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson ki.getPrefixResolver()); 2089f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2099f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (xuse.getType() != xuse.CLASS_NODESET) { 2109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XMLString exprResult = xuse.xstr(); 2119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson addValueInRefsTable(xctxt, exprResult, currentNode); 2129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } else { 2139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson DTMIterator i = ((XNodeSet)xuse).iterRaw(); 2149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int currentNodeInUseClause; 2159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson while (DTM.NULL != (currentNodeInUseClause = i.nextNode())) { 2179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson DTM dtm = xctxt.getDTM(currentNodeInUseClause); 2189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XMLString exprResult = 2199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson dtm.getStringValue(currentNodeInUseClause); 2209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson addValueInRefsTable(xctxt, exprResult, currentNode); 2219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } catch (TransformerException te) { 2259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson throw new WrappedRuntimeException(te); 2269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return m_refsTable; 2309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 2339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Add an association between a ref and a node in the m_refsTable. 2349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Requires that m_refsTable != null 2359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param xctxt XPath context 2369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param ref the value of the use clause of the current key for the given node 2379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param node the node to reference 2389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 2399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson private void addValueInRefsTable(XPathContext xctxt, XMLString ref, int node) { 2409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 2419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XNodeSet nodes = (XNodeSet) m_refsTable.get(ref); 2429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (nodes == null) 2439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 2449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson nodes = new XNodeSet(node, xctxt.getDTMManager()); 2459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson nodes.nextNode(); 2469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_refsTable.put(ref, nodes); 2479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson else 2499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 2509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // Nodes are passed to this method in document order. Since we need to 2519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // suppress duplicates, we only need to check against the last entry 2529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // in each nodeset. We use nodes.nextNode after each entry so we can 2539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // easily compare node against the current node. 2549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if (nodes.getCurrentNode() != node) { 2559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson nodes.mutableNodeset().addNode(node); 2569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson nodes.nextNode(); 2579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 2609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson} 261