/*
* 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();
// 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));
}
else
{
if (TransformerImpl.S_DEBUG)
transformer.getTraceManager().fireTraceEvent(this);
}
}
else
{
if (TransformerImpl.S_DEBUG)
transformer.getTraceManager().fireTraceEvent(this);
super.execute(transformer);
transformer.executeChildTemplates(this, true);
}
}
catch(org.xml.sax.SAXException se)
{
throw new TransformerException(se);
}
finally
{
xctxt.popCurrentNode();
}
}
}