- /*
- * 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.Node;
- //import org.w3c.dom.DOMException;
- import org.apache.xml.dtm.DTM;
-
- import javax.xml.transform.TransformerException;
-
- import org.apache.xml.utils.QName;
- import org.apache.xalan.res.XSLTErrorResources;
- import org.apache.xalan.res.XSLMessages;
- import org.apache.xalan.transformer.TransformerImpl;
- import org.apache.xalan.transformer.ResultTreeHandler;
- import org.apache.xpath.XPathContext;
-
- import org.xml.sax.SAXException;
-
- /**
- * <meta name="usage" content="advanced"/>
- * Implement xsl:attribute.
- * <pre>
- * &!ELEMENT xsl:attribute %char-template;>
- * &!ATTLIST xsl:attribute
- * name %avt; #REQUIRED
- * namespace %avt; #IMPLIED
- * %space-att;
- * &
- * </pre>
- * @see <a href="http://www.w3.org/TR/xslt#creating-attributes">creating-attributes in XSLT Specification</a>
- */
- public class ElemAttribute extends ElemElement
- {
-
- /**
- * 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_ATTRIBUTE;
- }
-
- /**
- * Return the node name.
- *
- * @return The element name
- */
- public String getNodeName()
- {
- return Constants.ELEMNAME_ATTRIBUTE_STRING;
- }
-
- /**
- * Create an attribute in the result tree.
- * @see <a href="http://www.w3.org/TR/xslt#creating-attributes">creating-attributes in XSLT Specification</a>
- *
- * @param transformer non-null reference to the the current transform-time state.
- *
- * @throws TransformerException
- */
- public void execute(
- TransformerImpl transformer)
- throws TransformerException
- {
- ResultTreeHandler rhandler = transformer.getResultTreeHandler();
-
- // If they are trying to add an attribute when there isn't an
- // element pending, it is an error.
- // I don't think we need this check here because it is checked in
- // ResultTreeHandler.addAttribute. (is)
- // if (!rhandler.isElementPending())
- // {
- // // Make sure the trace event is sent.
- // if (TransformerImpl.S_DEBUG)
- // transformer.getTraceManager().fireTraceEvent(this);
- //
- // XPathContext xctxt = transformer.getXPathContext();
- // int sourceNode = xctxt.getCurrentNode();
- // String attrName = m_name_avt.evaluate(xctxt, sourceNode, this);
- // transformer.getMsgMgr().warn(this,
- // XSLTErrorResources.WG_ILLEGAL_ATTRIBUTE_POSITION,
- // new Object[]{ attrName });
- //
- // if (TransformerImpl.S_DEBUG)
- // transformer.getTraceManager().fireTraceEndEvent(this);
- // return;
- //
- // // warn(templateChild, sourceNode, "Trying to add attribute after element child has been added, ignoring...");
- // }
-
- super.execute(transformer);
-
- }
-
- /**
- * Resolve the namespace into a prefix. At this level, if no prefix exists,
- * then return a manufactured prefix.
- *
- * @param rhandler The current result tree handler.
- * @param prefix The probable prefix if already known.
- * @param nodeNamespace The namespace, which should not be null.
- *
- * @return The prefix to be used.
- */
- protected String resolvePrefix(ResultTreeHandler rhandler,
- String prefix, String nodeNamespace)
- throws TransformerException
- {
-
- if (null != prefix && (prefix.length() == 0 || prefix.equals("xmlns")))
- {
- // Since we can't use default namespace, in this case we try and
- // see if a prefix has already been defined or this namespace.
- prefix = rhandler.getPrefix(nodeNamespace);
-
- // System.out.println("nsPrefix: "+nsPrefix);
- if (null == prefix || prefix.length() == 0 || prefix.equals("xmlns"))
- {
- if(nodeNamespace.length() > 0)
- {
- prefix = rhandler.getNewUniqueNSPrefix();
- }
- else
- prefix = "";
- }
- }
- return prefix;
- }
-
- /**
- * Validate that the node name is good.
- *
- * @param nodeName Name of the node being constructed, which may be null.
- *
- * @return true if the node name is valid, false otherwise.
- */
- protected boolean validateNodeName(String nodeName)
- {
- if(null == nodeName)
- return false;
- if(nodeName.equals("xmlns"))
- return false;
- return super.validateNodeName(nodeName);
- }
-
- /**
- * Construct a node in the result tree. This method is overloaded by
- * xsl:attribute. At this class level, this method creates an element.
- *
- * @param nodeName The name of the node, which may be null.
- * @param prefix The prefix for the namespace, which may be null.
- * @param nodeNamespace The namespace of the node, which may be null.
- * @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
- */
- void constructNode(
- String nodeName, String prefix, String nodeNamespace, TransformerImpl transformer)
- throws TransformerException
- {
-
- if(null != nodeName && nodeName.length() > 0)
- {
- ResultTreeHandler rhandler = transformer.getResultTreeHandler();
- if(prefix != null && prefix.length() > 0)
- {
- try
- {
- rhandler.startPrefixMapping(prefix, nodeNamespace, false);
- }
- catch(SAXException se)
- {
- throw new TransformerException(se);
- }
- }
- String val = transformer.transformToString(this);
- String localName = QName.getLocalPart(nodeName);
- rhandler.addAttribute(nodeNamespace, localName, nodeName, "CDATA", val);
- }
- }
-
-
- /**
- * Add a child to the child list.
- * <!ELEMENT xsl:attribute %char-template;>
- * <!ATTLIST xsl:attribute
- * name %avt; #REQUIRED
- * namespace %avt; #IMPLIED
- * %space-att;
- * >
- *
- * @param newChild Child to append to the list of this node's children
- *
- * @return The node we just appended to the children list
- *
- * @throws DOMException
- */
- public ElemTemplateElement appendChild(ElemTemplateElement newChild)
- {
-
- int type = ((ElemTemplateElement) newChild).getXSLToken();
-
- switch (type)
- {
-
- // char-instructions
- case Constants.ELEMNAME_TEXTLITERALRESULT :
- case Constants.ELEMNAME_APPLY_TEMPLATES :
- case Constants.ELEMNAME_APPLY_IMPORTS :
- case Constants.ELEMNAME_CALLTEMPLATE :
- case Constants.ELEMNAME_FOREACH :
- case Constants.ELEMNAME_VALUEOF :
- case Constants.ELEMNAME_COPY_OF :
- case Constants.ELEMNAME_NUMBER :
- case Constants.ELEMNAME_CHOOSE :
- case Constants.ELEMNAME_IF :
- case Constants.ELEMNAME_TEXT :
- case Constants.ELEMNAME_COPY :
- case Constants.ELEMNAME_VARIABLE :
- case Constants.ELEMNAME_MESSAGE :
-
- // instructions
- // case Constants.ELEMNAME_PI:
- // case Constants.ELEMNAME_COMMENT:
- // case Constants.ELEMNAME_ELEMENT:
- // case Constants.ELEMNAME_ATTRIBUTE:
- break;
- default :
- error(XSLTErrorResources.ER_CANNOT_ADD,
- new Object[]{ newChild.getNodeName(),
- this.getNodeName() }); //"Can not add " +((ElemTemplateElement)newChild).m_elemName +
-
- //" to " + this.m_elemName);
- }
-
- return super.appendChild(newChild);
- }
- /**
- * @see ElemElement#setName(AVT)
- */
- public void setName(AVT v) {
- if (v.isSimple())
- {
- if (v.getSimpleString().equals("xmlns"))
- {
- throw new IllegalArgumentException();
- }
- }
- super.setName(v);
- }
-
- }