| /* |
| * 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.XObject; |
| |
| import java.util.Vector; |
| |
| import org.apache.xalan.trace.TracerEvent; |
| import org.apache.xml.utils.QName; |
| import org.apache.xalan.res.XSLTErrorResources; |
| import org.apache.xpath.VariableStack; |
| import org.apache.xalan.transformer.TransformerImpl; |
| import org.apache.xalan.transformer.ResultTreeHandler; |
| import org.apache.xalan.transformer.ClonerToResultTree; |
| import org.apache.xml.dtm.DTMAxisTraverser; |
| import org.apache.xml.dtm.DTMIterator; |
| import org.apache.xml.dtm.DTM; |
| import org.apache.xml.dtm.Axis; |
| |
| import javax.xml.transform.TransformerException; |
| import javax.xml.transform.SourceLocator; |
| |
| import org.apache.xml.dtm.DTMManager; |
| |
| // Experemental |
| import org.apache.xml.dtm.ref.ExpandedNameTable; |
| |
| /** |
| * <meta name="usage" content="advanced"/> |
| * Implement xsl:apply-templates. |
| * <pre> |
| * &!ELEMENT xsl:apply-templates (xsl:sort|xsl:with-param)*> |
| * &!ATTLIST xsl:apply-templates |
| * select %expr; "node()" |
| * mode %qname; #IMPLIED |
| * & |
| * </pre> |
| * @see <a href="http://www.w3.org/TR/xslt#section-Applying-Template-Rules">section-Applying-Template-Rules in XSLT Specification</a> |
| */ |
| public class ElemApplyTemplates extends ElemCallTemplate |
| { |
| |
| /** |
| * mode %qname; #IMPLIED |
| * @serial |
| */ |
| private QName m_mode = null; |
| |
| /** |
| * Set the mode attribute for this element. |
| * |
| * @param mode reference, which may be null, to the <a href="http://www.w3.org/TR/xslt#modes">current mode</a>. |
| */ |
| public void setMode(QName mode) |
| { |
| m_mode = mode; |
| } |
| |
| /** |
| * Get the mode attribute for this element. |
| * |
| * @return The mode attribute for this element |
| */ |
| public QName getMode() |
| { |
| return m_mode; |
| } |
| |
| /** |
| * Tells if this belongs to a default template, |
| * in which case it will act different with |
| * regard to processing modes. |
| * @see <a href="http://www.w3.org/TR/xslt#built-in-rule">built-in-rule in XSLT Specification</a> |
| * @serial |
| */ |
| private boolean m_isDefaultTemplate = false; |
| |
| // /** |
| // * List of namespace/localname IDs, for identification of xsl:with-param to |
| // * xsl:params. Initialized in the compose() method. |
| // */ |
| // private int[] m_paramIDs; |
| |
| /** |
| * Set if this belongs to a default template, |
| * in which case it will act different with |
| * regard to processing modes. |
| * @see <a href="http://www.w3.org/TR/xslt#built-in-rule">built-in-rule in XSLT Specification</a> |
| * |
| * @param b boolean value to set. |
| */ |
| public void setIsDefaultTemplate(boolean b) |
| { |
| m_isDefaultTemplate = b; |
| } |
| |
| /** |
| * Get an int constant identifying the type of element. |
| * @see org.apache.xalan.templates.Constants |
| * |
| * @return Token ID for this element types |
| */ |
| public int getXSLToken() |
| { |
| return Constants.ELEMNAME_APPLY_TEMPLATES; |
| } |
| |
| /** |
| * 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 |
| { |
| super.compose(sroot); |
| } |
| |
| /** |
| * Return the node name. |
| * |
| * @return Element name |
| */ |
| public String getNodeName() |
| { |
| return Constants.ELEMNAME_APPLY_TEMPLATES_STRING; |
| } |
| |
| /** |
| * Apply the context node to the matching templates. |
| * @see <a href="http://www.w3.org/TR/xslt#section-Applying-Template-Rules">section-Applying-Template-Rules in XSLT Specification</a> |
| * |
| * @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 |
| { |
| |
| transformer.pushCurrentTemplateRuleIsNull(false); |
| |
| boolean pushMode = false; |
| |
| try |
| { |
| if (TransformerImpl.S_DEBUG) |
| transformer.getTraceManager().fireTraceEvent(this); |
| |
| // %REVIEW% Do we need this check?? |
| // if (null != sourceNode) |
| // { |
| // boolean needToTurnOffInfiniteLoopCheck = false; |
| QName mode = transformer.getMode(); |
| |
| if (!m_isDefaultTemplate) |
| { |
| if (((null == mode) && (null != m_mode)) |
| || ((null != mode) &&!mode.equals(m_mode))) |
| { |
| pushMode = true; |
| |
| transformer.pushMode(m_mode); |
| } |
| } |
| transformSelectedNodes(transformer); |
| } |
| finally |
| { |
| if (pushMode) |
| transformer.popMode(); |
| |
| transformer.popCurrentTemplateRuleIsNull(); |
| } |
| } |
| |
| |
| /** |
| * <meta name="usage" content="advanced"/> |
| * Perform a query if needed, and call transformNode for each child. |
| * |
| * @param transformer non-null reference to the the current transform-time state. |
| * @param template The owning template context. |
| * |
| * @throws TransformerException Thrown in a variety of circumstances. |
| */ |
| public void transformSelectedNodes(TransformerImpl transformer) |
| throws TransformerException |
| { |
| |
| final XPathContext xctxt = transformer.getXPathContext(); |
| final int sourceNode = xctxt.getCurrentNode(); |
| DTMIterator sourceNodes = m_selectExpression.asIterator(xctxt, sourceNode); |
| VariableStack vars = xctxt.getVarStack(); |
| int nParams = getParamElemCount(); |
| |
| try |
| { |
| |
| final Vector keys = (m_sortElems == null) |
| ? null |
| : transformer.processSortKeys(this, sourceNode); |
| |
| // Sort if we need to. |
| if (null != keys) |
| sourceNodes = sortNodes(xctxt, keys, sourceNodes); |
| |
| if (TransformerImpl.S_DEBUG) |
| transformer.getTraceManager().fireSelectedEvent(sourceNode, this, |
| "select", new XPath(m_selectExpression), |
| new org.apache.xpath.objects.XNodeSet(sourceNodes)); |
| |
| final ResultTreeHandler rth = transformer.getResultTreeHandler(); |
| ContentHandler chandler = rth.getContentHandler(); |
| final StylesheetRoot sroot = transformer.getStylesheet(); |
| final TemplateList tl = sroot.getTemplateListComposed(); |
| final boolean quiet = transformer.getQuietConflictWarnings(); |
| |
| xctxt.pushCurrentNode(DTM.NULL); |
| int[] currentNodes = xctxt.getCurrentNodeStack(); |
| int currentNodePos = xctxt.getCurrentNodeFirstFree() - 1; |
| |
| xctxt.pushCurrentExpressionNode(DTM.NULL); |
| int[] currentExpressionNodes = xctxt.getCurrentExpressionNodeStack(); |
| int currentExpressionNodePos = xctxt.getCurrentExpressionNodesFirstFree() - 1; |
| |
| xctxt.pushSAXLocatorNull(); |
| xctxt.pushContextNodeList(sourceNodes); |
| transformer.pushElemTemplateElement(null); |
| // pushParams(transformer, xctxt); |
| |
| // Should be able to get this from the iterator but there must be a bug. |
| DTM dtm = xctxt.getDTM(sourceNode); |
| int docID = sourceNode & DTMManager.IDENT_DTM_DEFAULT; |
| |
| int argsFrame = -1; |
| if(nParams > 0) |
| { |
| // This code will create a section on the stack that is all the |
| // evaluated arguments. These will be copied into the real params |
| // section of each called template. |
| int thisframe = vars.getStackFrame(); |
| argsFrame = vars.link(nParams); |
| vars.setStackFrame(thisframe); |
| |
| for (int i = 0; i < nParams; i++) |
| { |
| ElemWithParam ewp = m_paramElems[i]; |
| XObject obj = ewp.getValue(transformer, sourceNode); |
| |
| vars.setLocalVariable(i, obj, argsFrame); |
| } |
| vars.setStackFrame(argsFrame); |
| } |
| |
| |
| int child; |
| while (DTM.NULL != (child = sourceNodes.nextNode())) |
| { |
| currentNodes[currentNodePos] = child; |
| currentExpressionNodes[currentExpressionNodePos] = child; |
| |
| if((child & DTMManager.IDENT_DTM_DEFAULT) != docID) |
| { |
| dtm = xctxt.getDTM(child); |
| docID = sourceNode & DTMManager.IDENT_DTM_DEFAULT; |
| } |
| |
| final int exNodeType = dtm.getExpandedTypeID(child); |
| final int nodeType = (exNodeType >> ExpandedNameTable.ROTAMOUNT_TYPE); |
| |
| final QName mode = transformer.getMode(); |
| |
| ElemTemplate template = tl.getTemplateFast(xctxt, child, exNodeType, mode, |
| -1, quiet, dtm); |
| |
| // If that didn't locate a node, fall back to a default template rule. |
| // See http://www.w3.org/TR/xslt#built-in-rule. |
| if (null == template) |
| { |
| switch (nodeType) |
| { |
| case DTM.DOCUMENT_FRAGMENT_NODE : |
| case DTM.ELEMENT_NODE : |
| template = sroot.getDefaultRule(); |
| // %OPT% direct faster? |
| break; |
| case DTM.ATTRIBUTE_NODE : |
| case DTM.CDATA_SECTION_NODE : |
| case DTM.TEXT_NODE : |
| // if(rth.m_elemIsPending || rth.m_docPending) |
| // rth.flushPending(true); |
| transformer.pushPairCurrentMatched(sroot.getDefaultTextRule(), child); |
| transformer.setCurrentElement(sroot.getDefaultTextRule()); |
| // dtm.dispatchCharactersEvents(child, chandler, false); |
| dtm.dispatchCharactersEvents(child, rth, false); |
| transformer.popCurrentMatched(); |
| continue; |
| case DTM.DOCUMENT_NODE : |
| template = sroot.getDefaultRootRule(); |
| break; |
| default : |
| |
| // No default rules for processing instructions and the like. |
| continue; |
| } |
| } |
| |
| transformer.pushPairCurrentMatched(template, child); |
| |
| if(template.m_frameSize > 0) |
| { |
| vars.link(template.m_frameSize); |
| // You can't do the check for nParams here, otherwise the |
| // xsl:params might not be nulled. |
| if(/* nParams > 0 && */ template.m_inArgsSize > 0) |
| { |
| int paramIndex = 0; |
| for (ElemTemplateElement elem = template.getFirstChildElem(); |
| null != elem; elem = elem.getNextSiblingElem()) |
| { |
| if(Constants.ELEMNAME_PARAMVARIABLE == elem.getXSLToken()) |
| { |
| ElemParam ep = (ElemParam)elem; |
| |
| int i; |
| for (i = 0; i < nParams; i++) |
| { |
| ElemWithParam ewp = m_paramElems[i]; |
| if(ewp.m_qnameID == ep.m_qnameID) |
| { |
| XObject obj = vars.getLocalVariable(i, argsFrame); |
| vars.setLocalVariable(paramIndex, obj); |
| break; |
| } |
| } |
| if(i == nParams) |
| vars.setLocalVariable(paramIndex, null); |
| } |
| else |
| break; |
| paramIndex++; |
| } |
| |
| } |
| } |
| |
| // if (check) |
| // guard.push(this, child); |
| |
| // Fire a trace event for the template. |
| if (TransformerImpl.S_DEBUG) |
| transformer.getTraceManager().fireTraceEvent(template); |
| |
| // And execute the child templates. |
| // Loop through the children of the template, calling execute on |
| // each of them. |
| for (ElemTemplateElement t = template.m_firstChild; |
| t != null; t = t.m_nextSibling) |
| { |
| xctxt.setSAXLocator(t); |
| transformer.setCurrentElement(t); |
| t.execute(transformer); |
| } |
| |
| if(template.m_frameSize > 0) |
| vars.unlink(); |
| |
| transformer.popCurrentMatched(); |
| |
| } // end while (DTM.NULL != (child = sourceNodes.nextNode())) |
| } |
| catch (SAXException se) |
| { |
| transformer.getErrorListener().fatalError(new TransformerException(se)); |
| } |
| finally |
| { |
| if (TransformerImpl.S_DEBUG) |
| transformer.getTraceManager().fireSelectedEndEvent(sourceNode, this, |
| "select", new XPath(m_selectExpression), |
| new org.apache.xpath.objects.XNodeSet(sourceNodes)); |
| |
| if(nParams > 0) |
| vars.unlink(); |
| xctxt.popSAXLocator(); |
| xctxt.popContextNodeList(); |
| transformer.popElemTemplateElement(); |
| xctxt.popCurrentExpressionNode(); |
| xctxt.popCurrentNode(); |
| sourceNodes.detach(); |
| } |
| } |
| |
| } |
