FileDocCategorySizeDatePackage
FuncCurrent.javaAPI DocJava SE 5 API2779Fri Aug 26 14:56:08 BST 2005com.sun.org.apache.xpath.internal.functions

FuncCurrent

public class FuncCurrent extends Function
Execute the current() function.
xsl.usage
advanced

Fields Summary
Constructors Summary
Methods Summary
public com.sun.org.apache.xpath.internal.objects.XObjectexecute(com.sun.org.apache.xpath.internal.XPathContext xctxt)
Execute the function. The function must return a valid object.

param
xctxt The current execution context.
return
A valid XObject.
throws
javax.xml.transform.TransformerException

   
    SubContextList subContextList = xctxt.getCurrentNodeList();
    int currentNode = DTM.NULL;

    if (null != subContextList) {
        if (subContextList instanceof PredicatedNodeTest) {
            LocPathIterator iter = ((PredicatedNodeTest)subContextList)
                                                          .getLocPathIterator();
            currentNode = iter.getCurrentContextNode();
         } else if(subContextList instanceof StepPattern) {
           throw new RuntimeException(XSLMessages.createMessage(
              XSLTErrorResources.ER_PROCESSOR_ERROR,null));
         }
    } else {
        // not predicate => ContextNode == CurrentNode
        currentNode = xctxt.getContextNode();
    }
    return new XNodeSet(currentNode, xctxt.getDTMManager());
public voidfixupVariables(java.util.Vector vars, int globalsSize)
No arguments to process, so this does nothing.

    // no-op