| /* |
| * 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); |
| } |
| } |
| finally |
| { |
| xctxt.popCurrentNode(); |
| } |
| |
| return var; |
| } |
| |
| |
| } |