c38e914edb
2005-02-17 Andrew John Hughes <gnu_andrew@member.fsf.org> Michael Koch <konqueror@gmx.de> * gnu/java/net/protocol/http/Cookie.java, gnu/java/net/protocol/http/HTTPConnection.java, gnu/java/net/protocol/http/HTTPDateFormat.java, gnu/java/net/protocol/http/Request.java, gnu/java/nio/PipeImpl.java, gnu/java/rmi/dgc/DGCImpl.java, gnu/java/rmi/server/ConnectionRunnerPool.java, gnu/java/rmi/server/UnicastConnectionManager.java, gnu/java/security/der/DERWriter.java, gnu/java/security/pkcs/SignerInfo.java, gnu/java/security/provider/EncodedKeyFactory.java, gnu/java/security/provider/GnuDHPublicKey.java, gnu/java/security/provider/GnuDSAPrivateKey.java, gnu/java/security/provider/GnuDSAPublicKey.java, gnu/java/security/provider/PKIXCertPathValidatorImpl.java, gnu/java/security/x509/X500DistinguishedName.java, gnu/java/security/x509/X509CRL.java, gnu/java/security/x509/X509CRLEntry.java, gnu/java/security/x509/X509Certificate.java, gnu/java/security/x509/ext/AuthorityKeyIdentifier.java, gnu/java/security/x509/ext/CertificatePolicies.java, gnu/java/security/x509/ext/PolicyConstraint.java, gnu/xml/dom/Consumer.java, gnu/xml/dom/DomCharacterData.java, gnu/xml/dom/DomDocument.java, gnu/xml/dom/DomDocumentBuilder.java, gnu/xml/dom/DomIterator.java, gnu/xml/dom/DomNode.java, gnu/xml/dom/DomXPathExpression.java, gnu/xml/dom/DomXPathResult.java, gnu/xml/dom/JAXPFactory.java, gnu/xml/pipeline/CallFilter.java, gnu/xml/pipeline/DomConsumer.java, gnu/xml/pipeline/LinkFilter.java, gnu/xml/pipeline/NSFilter.java, gnu/xml/pipeline/TeeConsumer.java, gnu/xml/pipeline/ValidationConsumer.java, gnu/xml/pipeline/WellFormednessFilter.java, gnu/xml/pipeline/XIncludeFilter.java, gnu/xml/pipeline/XsltFilter.java, gnu/xml/transform/ApplyImportsNode.java, gnu/xml/transform/Bindings.java, gnu/xml/transform/DocumentFunction.java, gnu/xml/transform/FormatNumberFunction.java, gnu/xml/transform/NodeNumberNode.java, gnu/xml/transform/NumberNode.java, gnu/xml/transform/Stylesheet.java, gnu/xml/transform/SystemPropertyFunction.java, gnu/xml/transform/Template.java, gnu/xml/transform/TemplatesImpl.java, gnu/xml/transform/TransformerImpl.java, gnu/xml/transform/ValueOfNode.java, gnu/xml/transform/XSLURIResolver.java, gnu/xml/util/DoParse.java, gnu/xml/util/Resolver.java, gnu/xml/xpath/Expr.java, gnu/xml/xpath/FunctionCall.java, gnu/xml/xpath/RelationalExpr.java, gnu/xml/xpath/Selector.java, gnu/xml/xpath/XPathParser.java: Reworked import statements, fixed modifier order and some little formatting issues. Co-Authored-By: Michael Koch <konqueror@gmx.de> From-SVN: r95177
259 lines
8.0 KiB
Java
259 lines
8.0 KiB
Java
/* NodeNumberNode.java --
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.xml.transform;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.List;
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import javax.xml.transform.TransformerException;
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import org.w3c.dom.Node;
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import gnu.xml.xpath.Expr;
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import gnu.xml.xpath.Pattern;
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import gnu.xml.xpath.Selector;
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import gnu.xml.xpath.UnionExpr;
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/**
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* A template node representing the XSL <code>number</code> instruction
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* with no <code>value</code> expression, i.e. the value is computed from
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* the document position of the context node.
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*
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* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
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*/
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final class NodeNumberNode
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extends AbstractNumberNode
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{
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static final int SINGLE = 0;
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static final int MULTIPLE = 1;
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static final int ANY = 2;
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final int level;
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final Pattern count;
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final Pattern from;
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NodeNumberNode(TemplateNode children, TemplateNode next,
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int level, Pattern count, Pattern from,
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TemplateNode format, String lang,
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int letterValue, String groupingSeparator, int groupingSize)
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{
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super(children, next, format, lang, letterValue, groupingSeparator,
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groupingSize);
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this.level = level;
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this.count = count;
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this.from = from;
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}
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TemplateNode clone(Stylesheet stylesheet)
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{
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return new NodeNumberNode((children == null) ? null :
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children.clone(stylesheet),
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(next == null) ? null :
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next.clone(stylesheet),
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level,
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(count == null) ? null :
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(Pattern) count.clone(stylesheet),
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(from == null) ? from :
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(Pattern) from.clone(stylesheet),
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format, lang, letterValue,
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groupingSeparator, groupingSize);
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}
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int[] compute(Stylesheet stylesheet, Node context, int pos, int len)
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throws TransformerException
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{
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/*if (from != null)
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{
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Object ret = from.evaluate(context, pos, len);
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if (ret instanceof Collection)
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{
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Collection ns = (Collection) ret;
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if (ns.size() > 0)
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{
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List list = new ArrayList(ns);
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Collections.sort(list, documentOrderComparator);
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context = (Node) list.get(0);
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}
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else
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{
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return new int[0];
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}
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}
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else
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{
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return new int[0];
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}
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}*/
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Node current = context;
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switch (level)
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{
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case SINGLE:
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if (from == null)
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{
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while (context != null && !countMatches(current, context))
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{
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context = context.getParentNode();
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}
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}
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else
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{
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while (context != null && !countMatches(current, context) &&
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!fromMatches(context))
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{
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context = context.getParentNode();
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}
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}
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return (context == null) ? new int[0] :
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new int[] { (context == current) ? pos : getIndex(current, context) };
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case MULTIPLE:
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List ancestors = new ArrayList();
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while (context != null)
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{
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if (countMatches(current, context))
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{
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if (from == null || fromMatches(context))
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{
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ancestors.add(context);
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}
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}
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context = context.getParentNode();
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}
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Collections.sort(ancestors, documentOrderComparator);
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int[] ret = new int[ancestors.size()];
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for (int i = 0; i < ret.length; i++)
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{
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ret[i] = getIndex(current, (Node) ancestors.get(i));
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}
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return ret;
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case ANY:
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Expr preceding = new Selector(Selector.PRECEDING,
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Collections.EMPTY_LIST);
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Expr ancestorOrSelf = new Selector(Selector.ANCESTOR_OR_SELF,
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Collections.EMPTY_LIST);
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Expr any = new UnionExpr(preceding, ancestorOrSelf);
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Object eval = any.evaluate(context, pos, len);
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if (eval instanceof Collection)
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{
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Collection ns = (Collection) eval;
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List candidates = new ArrayList();
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for (Iterator i = ns.iterator(); i.hasNext(); )
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{
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Node candidate = (Node) i.next();
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if (countMatches(current, candidate))
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{
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candidates.add(candidate);
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if (from != null && from.matches(candidate))
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{
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break;
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}
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}
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}
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return new int[] { candidates.size() };
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}
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return new int[0];
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default:
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throw new TransformerException("invalid level");
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}
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}
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boolean countMatches(Node current, Node node)
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{
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if (count == null)
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{
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int cnt = current.getNodeType();
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int nnt = node.getNodeType();
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if (cnt != nnt)
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{
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return false;
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}
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if (nnt == Node.ELEMENT_NODE || nnt == Node.ATTRIBUTE_NODE)
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{
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String curi = current.getNamespaceURI();
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String nuri = node.getNamespaceURI();
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if ((curi == null && nuri != null) ||
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(curi != null && !curi.equals(nuri)))
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{
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return false;
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}
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String cn = current.getLocalName();
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String nn = current.getLocalName();
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if (!cn.equals(nn))
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{
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return false;
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}
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}
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return true;
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}
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else
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{
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return count.matches(node);
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}
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}
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boolean fromMatches(Node node)
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{
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for (Node ctx = node.getParentNode(); ctx != null;
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ctx = ctx.getParentNode())
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{
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if (from.matches(ctx))
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{
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return true;
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}
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}
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return false;
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}
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int getIndex(Node current, Node node)
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{
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int index = 0;
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do
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{
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do
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{
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node = node.getPreviousSibling();
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}
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while (node != null && !countMatches(current, node));
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index++;
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}
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while (node != null);
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return index;
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}
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}
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