Examples with XNodeSet org.apache.xpath.objects.XNodeSet used on opensource projects

Example 6 with XNodeSet

use of org.apache.xpath.objects.XNodeSet in project robovm by robovm.

the class FilterExprIteratorSimple method executeFilterExpr.

/**
   * Execute the expression.  Meant for reuse by other FilterExpr iterators 
   * that are not derived from this object.
   */
public static XNodeSet executeFilterExpr(int context, XPathContext xctxt, PrefixResolver prefixResolver, boolean isTopLevel, int stackFrame, Expression expr) throws org.apache.xml.utils.WrappedRuntimeException {
    PrefixResolver savedResolver = xctxt.getNamespaceContext();
    XNodeSet result = null;
    try {
        xctxt.pushCurrentNode(context);
        xctxt.setNamespaceContext(prefixResolver);
        if (isTopLevel) {
            // System.out.println("calling m_expr.execute(getXPathContext())");
            VariableStack vars = xctxt.getVarStack();
            // These three statements need to be combined into one operation.
            int savedStart = vars.getStackFrame();
            vars.setStackFrame(stackFrame);
            result = (org.apache.xpath.objects.XNodeSet) expr.execute(xctxt);
            result.setShouldCacheNodes(true);
            // These two statements need to be combined into one operation.
            vars.setStackFrame(savedStart);
        } else
            result = (org.apache.xpath.objects.XNodeSet) expr.execute(xctxt);
    } catch (javax.xml.transform.TransformerException se) {
        // TODO: Fix...
        throw new org.apache.xml.utils.WrappedRuntimeException(se);
    } finally {
        xctxt.popCurrentNode();
        xctxt.setNamespaceContext(savedResolver);
    }
    return result;
}

Example 7 with XNodeSet

use of org.apache.xpath.objects.XNodeSet in project robovm by robovm.

the class FuncCurrent method execute.

/**
   * 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
   */
public XObject execute(XPathContext xctxt) 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());
}

Example 8 with XNodeSet

use of org.apache.xpath.objects.XNodeSet in project robovm by robovm.

the class Expression method asIteratorRaw.

/**
   * Given an select expression and a context, evaluate the XPath
   * and return the resulting iterator, but do not clone.
   *
   * @param xctxt The execution context.
   * @param contextNode The node that "." expresses.
   *
   *
   * @return A valid DTMIterator.
   * @throws TransformerException thrown if the active ProblemListener decides
   * the error condition is severe enough to halt processing.
   *
   * @throws javax.xml.transform.TransformerException
   * @xsl.usage experimental
   */
public DTMIterator asIteratorRaw(XPathContext xctxt, int contextNode) throws javax.xml.transform.TransformerException {
    try {
        xctxt.pushCurrentNodeAndExpression(contextNode, contextNode);
        XNodeSet nodeset = (XNodeSet) execute(xctxt);
        return nodeset.iterRaw();
    } finally {
        xctxt.popCurrentNodeAndExpression();
    }
}

Example 9 with XNodeSet

use of org.apache.xpath.objects.XNodeSet in project robovm by robovm.

the class FuncId method execute.

/**
   * 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
   */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    int context = xctxt.getCurrentNode();
    DTM dtm = xctxt.getDTM(context);
    int docContext = dtm.getDocument();
    if (DTM.NULL == docContext)
        error(xctxt, XPATHErrorResources.ER_CONTEXT_HAS_NO_OWNERDOC, null);
    XObject arg = m_arg0.execute(xctxt);
    int argType = arg.getType();
    XNodeSet nodes = new XNodeSet(xctxt.getDTMManager());
    NodeSetDTM nodeSet = nodes.mutableNodeset();
    if (XObject.CLASS_NODESET == argType) {
        DTMIterator ni = arg.iter();
        StringVector usedrefs = null;
        int pos = ni.nextNode();
        while (DTM.NULL != pos) {
            DTM ndtm = ni.getDTM(pos);
            String refval = ndtm.getStringValue(pos).toString();
            pos = ni.nextNode();
            usedrefs = getNodesByID(xctxt, docContext, refval, usedrefs, nodeSet, DTM.NULL != pos);
        }
    // ni.detach();
    } else if (XObject.CLASS_NULL == argType) {
        return nodes;
    } else {
        String refval = arg.str();
        getNodesByID(xctxt, docContext, refval, null, nodeSet, false);
    }
    return nodes;
}

Example 10 with XNodeSet

use of org.apache.xpath.objects.XNodeSet in project robovm by robovm.

the class LocPathIterator method asIterator.

/**
   * Given an select expression and a context, evaluate the XPath
   * and return the resulting iterator.
   * 
   * @param xctxt The execution context.
   * @param contextNode The node that "." expresses.
   * @throws TransformerException thrown if the active ProblemListener decides
   * the error condition is severe enough to halt processing.
   *
   * @throws javax.xml.transform.TransformerException
   * @xsl.usage experimental
   */
public DTMIterator asIterator(XPathContext xctxt, int contextNode) throws javax.xml.transform.TransformerException {
    XNodeSet iter = new XNodeSet((LocPathIterator) m_clones.getInstance());
    iter.setRoot(contextNode, xctxt);
    return iter;
}