- /*
- * 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.xml.sax.*;
-
- import org.apache.xpath.*;
- import org.apache.xpath.objects.XString;
- import org.apache.xpath.objects.XObject;
- import org.apache.xpath.objects.XRTreeFrag;
- import org.apache.xml.utils.QName;
- import org.apache.xalan.res.XSLTErrorResources;
- import org.apache.xalan.transformer.TransformerImpl;
- import javax.xml.transform.TransformerException;
-
- /**
- * <meta name="usage" content="advanced"/>
- * Implement xsl:with-param. xsl:with-param is allowed within
- * both xsl:call-template and xsl:apply-templates.
- * <pre>
- * <!ELEMENT xsl:with-param %template;>
- * <!ATTLIST xsl:with-param
- * name %qname; #REQUIRED
- * select %expr; #IMPLIED
- * >
- * </pre>
- * @see <a href="http://www.w3.org/TR/xslt#element-with-param">element-with-param in XSLT Specification</a>
- */
- public class ElemWithParam extends ElemTemplateElement
- {
- /**
- * This is the index to the stack frame being called, <emph>not</emph> the
- * stack frame that contains this element.
- */
- int m_index;
-
- /**
- * The "select" attribute, which specifies the value of the
- * argument, if element content is not specified.
- * @serial
- */
- private XPath m_selectPattern = null;
-
- /**
- * Set the "select" attribute.
- * The "select" attribute specifies the value of the
- * argument, if element content is not specified.
- *
- * @param v Value to set for the "select" attribute.
- */
- public void setSelect(XPath v)
- {
- m_selectPattern = v;
- }
-
- /**
- * Get the "select" attribute.
- * The "select" attribute specifies the value of the
- * argument, if element content is not specified.
- *
- * @return Value of the "select" attribute.
- */
- public XPath getSelect()
- {
- return m_selectPattern;
- }
-
- /**
- * The required name attribute specifies the name of the
- * parameter (the variable the value of whose binding is
- * to be replaced). The value of the name attribute is a QName,
- * which is expanded as described in [2.4 Qualified Names].
- * @serial
- */
- private QName m_qname = null;
-
- int m_qnameID;
-
- /**
- * Set the "name" attribute.
- * DJD
- *
- * @param v Value to set for the "name" attribute.
- */
- public void setName(QName v)
- {
- m_qname = v;
- }
-
- /**
- * Get the "name" attribute.
- * DJD
- *
- * @return Value of the "name" attribute.
- */
- public QName getName()
- {
- return m_qname;
- }
-
- /**
- * Get an integer representation of the element type.
- *
- * @return An integer representation of the element, defined in the
- * Constants class.
- * @see org.apache.xalan.templates.Constants
- */
- public int getXSLToken()
- {
- return Constants.ELEMNAME_WITHPARAM;
- }
-
-
- /**
- * Return the node name.
- *
- * @return the node name.
- */
- public String getNodeName()
- {
- return Constants.ELEMNAME_WITHPARAM_STRING;
- }
-
- /**
- * This function is called after everything else has been
- * recomposed, and allows the template to set remaining
- * values that may be based on some other property that
- * depends on recomposition.
- */
- public void compose(StylesheetRoot sroot) throws TransformerException
- {
- // See if we can reduce an RTF to a select with a string expression.
- if(null == m_selectPattern
- && org.apache.xalan.processor.TransformerFactoryImpl.m_optimize)
- {
- XPath newSelect = ElemVariable.rewriteChildToExpression(this);
- if(null != newSelect)
- m_selectPattern = newSelect;
- }
- m_qnameID = sroot.getComposeState().getQNameID(m_qname);
- super.compose(sroot);
-
- java.util.Vector vnames = sroot.getComposeState().getVariableNames();
- if(null != m_selectPattern)
- m_selectPattern.fixupVariables(vnames, sroot.getComposeState().getGlobalsSize());
-
- // m_index must be resolved by ElemApplyTemplates and ElemCallTemplate!
- }
-
- /**
- * Set the parent as an ElemTemplateElement.
- *
- * @param parent This node's parent as an ElemTemplateElement
- */
- public void setParentElem(ElemTemplateElement p)
- {
- super.setParentElem(p);
- p.m_hasVariableDecl = true;
- }
-
- /**
- * Get the XObject representation of the variable.
- *
- * @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>.
- *
- * @return the XObject representation of the variable.
- *
- * @throws TransformerException
- */
- public XObject getValue(TransformerImpl transformer, int sourceNode)
- throws TransformerException
- {
-
- XObject var;
- XPathContext xctxt = transformer.getXPathContext();
-
- xctxt.pushCurrentNode(sourceNode);
-
- try
- {
- if (null != m_selectPattern)
- {
- var = m_selectPattern.execute(xctxt, sourceNode, this);
-
- var.allowDetachToRelease(false);
-
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireSelectedEvent(sourceNode, this,
- "select", m_selectPattern, var);
- }
- else if (null == getFirstChildElem())
- {
- var = XString.EMPTYSTRING;
- }
- else
- {
-
- // Use result tree fragment
- int df = transformer.transformToRTF(this);
-
- var = new XRTreeFrag(df, xctxt, this);
- }
- }
- finally
- {
- xctxt.popCurrentNode();
- }
-
- return var;
- }
-
- /**
- * Call the children visitors.
- * @param visitor The visitor whose appropriate method will be called.
- */
- protected void callChildVisitors(XSLTVisitor visitor, boolean callAttrs)
- {
- if(callAttrs && (null != m_selectPattern))
- m_selectPattern.getExpression().callVisitors(m_selectPattern, visitor);
- super.callChildVisitors(visitor, callAttrs);
- }
-
-
-
- }