- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 1999 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) 1999, Lotus
- * Development Corporation., http://www.lotus.com. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- package org.apache.xalan.templates;
-
- //import org.w3c.dom.*;
- import org.apache.xml.dtm.DTM;
-
- import org.xml.sax.*;
-
- import org.apache.xpath.*;
-
- import java.util.*;
-
- import org.apache.xml.utils.QName;
- import org.apache.xalan.trace.*;
- import org.apache.xalan.res.XSLTErrorResources;
- import org.apache.xalan.transformer.TransformerImpl;
- import org.apache.xalan.transformer.ResultTreeHandler;
- import org.apache.xalan.transformer.ClonerToResultTree;
-
- import javax.xml.transform.TransformerException;
-
- /**
- * <meta name="usage" content="advanced"/>
- * Implement xsl:copy.
- * <pre>
- * <!ELEMENT xsl:copy %template;>
- * <!ATTLIST xsl:copy
- * %space-att;
- * use-attribute-sets %qnames; #IMPLIED
- * >
- * </pre>
- * @see <a href="http://www.w3.org/TR/xslt#copying">copying in XSLT Specification</a>
- */
- public class ElemCopy extends ElemUse
- {
-
- /**
- * Get an int constant identifying the type of element.
- * @see org.apache.xalan.templates.Constants
- *
- * @return The token ID for this element
- */
- public int getXSLToken()
- {
- return Constants.ELEMNAME_COPY;
- }
-
- /**
- * Return the node name.
- *
- * @return This element's name
- */
- public String getNodeName()
- {
- return Constants.ELEMNAME_COPY_STRING;
- }
-
- /**
- * The xsl:copy element provides an easy way of copying the current node.
- * Executing this function creates a copy of the current node into the
- * result tree.
- * <p>The namespace nodes of the current node are automatically
- * copied as well, but the attributes and children of the node are not
- * automatically copied. The content of the xsl:copy element is a
- * template for the attributes and children of the created node;
- * the content is instantiated only for nodes of types that can have
- * attributes or children (i.e. root nodes and element nodes).</p>
- * <p>The root node is treated specially because the root node of the
- * result tree is created implicitly. When the current node is the
- * root node, xsl:copy will not create a root node, but will just use
- * the content template.</p>
- *
- * @param transformer non-null reference to the the current transform-time state.
- * @param sourceNode non-null reference to the <a href="http://www.w3.org/TR/xslt#dt-current-node">current source node</a>.
- * @param mode reference, which may be null, to the <a href="http://www.w3.org/TR/xslt#modes">current mode</a>.
- *
- * @throws TransformerException
- */
- public void execute(
- TransformerImpl transformer)
- throws TransformerException
- {
- XPathContext xctxt = transformer.getXPathContext();
-
- try
- {
- int sourceNode = xctxt.getCurrentNode();
- xctxt.pushCurrentNode(sourceNode);
- DTM dtm = xctxt.getDTM(sourceNode);
- short nodeType = dtm.getNodeType(sourceNode);
-
- if ((DTM.DOCUMENT_NODE != nodeType) && (DTM.DOCUMENT_FRAGMENT_NODE != nodeType))
- {
- ResultTreeHandler rthandler = transformer.getResultTreeHandler();
-
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireTraceEvent(this);
-
- // TODO: Process the use-attribute-sets stuff
- ClonerToResultTree.cloneToResultTree(sourceNode, nodeType, dtm,
- rthandler, false);
-
- if (DTM.ELEMENT_NODE == nodeType)
- {
- super.execute(transformer);
- rthandler.processNSDecls(sourceNode, nodeType, dtm);
- transformer.executeChildTemplates(this, true);
-
- String ns = dtm.getNamespaceURI(sourceNode);
- String localName = dtm.getLocalName(sourceNode);
- transformer.getResultTreeHandler().endElement(ns, localName,
- dtm.getNodeName(sourceNode));
- }
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireTraceEndEvent(this);
- }
- else
- {
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireTraceEvent(this);
-
- super.execute(transformer);
- transformer.executeChildTemplates(this, true);
-
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireTraceEndEvent(this);
- }
- }
- catch(org.xml.sax.SAXException se)
- {
- throw new TransformerException(se);
- }
- finally
- {
- xctxt.popCurrentNode();
- }
- }
- }