Examples with SubContextList org.apache.xpath.axes.SubContextList used on opensource projects

Example 1 with SubContextList

use of org.apache.xpath.axes.SubContextList 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 2 with SubContextList

use of org.apache.xpath.axes.SubContextList in project robovm by robovm.

the class FuncPosition method getPositionInContextNodeList.

/**
   * Get the position in the current context node list.
   *
   * @param xctxt Runtime XPath context.
   *
   * @return The current position of the itteration in the context node list, 
   *         or -1 if there is no active context node list.
   */
public int getPositionInContextNodeList(XPathContext xctxt) {
    // System.out.println("FuncPosition- entry");
    // If we're in a predicate, then this will return non-null.
    SubContextList iter = m_isTopLevel ? null : xctxt.getSubContextList();
    if (null != iter) {
        int prox = iter.getProximityPosition(xctxt);
        // System.out.println("FuncPosition- prox: "+prox);
        return prox;
    }
    DTMIterator cnl = xctxt.getContextNodeList();
    if (null != cnl) {
        int n = cnl.getCurrentNode();
        if (n == DTM.NULL) {
            if (cnl.getCurrentPos() == 0)
                return 0;
            // a problem for current().
            try {
                cnl = cnl.cloneWithReset();
            } catch (CloneNotSupportedException cnse) {
                throw new org.apache.xml.utils.WrappedRuntimeException(cnse);
            }
            int currentNode = xctxt.getContextNode();
            // System.out.println("currentNode: "+currentNode);
            while (DTM.NULL != (n = cnl.nextNode())) {
                if (n == currentNode)
                    break;
            }
        }
        // System.out.println("FuncPosition- cnl.getCurrentPos(): "+cnl.getCurrentPos());
        return cnl.getCurrentPos();
    }
    // System.out.println("FuncPosition - out of guesses: -1");
    return -1;
}

Example 3 with SubContextList

use of org.apache.xpath.axes.SubContextList in project j2objc by google.

the class FuncLast method getCountOfContextNodeList.

/**
   * Get the position in the current context node list.
   *
   * @param xctxt non-null reference to XPath runtime context.
   *
   * @return The number of nodes in the list.
   *
   * @throws javax.xml.transform.TransformerException
   */
public int getCountOfContextNodeList(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    // assert(null != m_contextNodeList, "m_contextNodeList must be non-null");
    // If we're in a predicate, then this will return non-null.
    SubContextList iter = m_isTopLevel ? null : xctxt.getSubContextList();
    // System.out.println("iter: "+iter);
    if (null != iter)
        return iter.getLastPos(xctxt);
    DTMIterator cnl = xctxt.getContextNodeList();
    int count;
    if (null != cnl) {
        count = cnl.getLength();
    // System.out.println("count: "+count); 
    } else
        count = 0;
    return count;
}

Example 4 with SubContextList

use of org.apache.xpath.axes.SubContextList in project j2objc by google.

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 5 with SubContextList

use of org.apache.xpath.axes.SubContextList in project j2objc by google.

the class FuncPosition method getPositionInContextNodeList.

/**
   * Get the position in the current context node list.
   *
   * @param xctxt Runtime XPath context.
   *
   * @return The current position of the itteration in the context node list, 
   *         or -1 if there is no active context node list.
   */
public int getPositionInContextNodeList(XPathContext xctxt) {
    // System.out.println("FuncPosition- entry");
    // If we're in a predicate, then this will return non-null.
    SubContextList iter = m_isTopLevel ? null : xctxt.getSubContextList();
    if (null != iter) {
        int prox = iter.getProximityPosition(xctxt);
        // System.out.println("FuncPosition- prox: "+prox);
        return prox;
    }
    DTMIterator cnl = xctxt.getContextNodeList();
    if (null != cnl) {
        int n = cnl.getCurrentNode();
        if (n == DTM.NULL) {
            if (cnl.getCurrentPos() == 0)
                return 0;
            // a problem for current().
            try {
                cnl = cnl.cloneWithReset();
            } catch (CloneNotSupportedException cnse) {
                throw new org.apache.xml.utils.WrappedRuntimeException(cnse);
            }
            int currentNode = xctxt.getContextNode();
            // System.out.println("currentNode: "+currentNode);
            while (DTM.NULL != (n = cnl.nextNode())) {
                if (n == currentNode)
                    break;
            }
        }
        // System.out.println("FuncPosition- cnl.getCurrentPos(): "+cnl.getCurrentPos());
        return cnl.getCurrentPos();
    }
    // System.out.println("FuncPosition - out of guesses: -1");
    return -1;
}