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

Example 16 with XNodeSet

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

the class Variable method execute.

/**
   * Dereference the variable, and return the reference value.  Note that lazy 
   * evaluation will occur.  If a variable within scope is not found, a warning 
   * will be sent to the error listener, and an empty nodeset will be returned.
   *
   *
   * @param xctxt The runtime execution context.
   *
   * @return The evaluated variable, or an empty nodeset if not found.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt, boolean destructiveOK) throws javax.xml.transform.TransformerException {
    org.apache.xml.utils.PrefixResolver xprefixResolver = xctxt.getNamespaceContext();
    XObject result;
    // XObject result = xctxt.getVariable(m_qname);
    if (m_fixUpWasCalled) {
        if (m_isGlobal)
            result = xctxt.getVarStack().getGlobalVariable(xctxt, m_index, destructiveOK);
        else
            result = xctxt.getVarStack().getLocalVariable(xctxt, m_index, destructiveOK);
    } else {
        result = xctxt.getVarStack().getVariableOrParam(xctxt, m_qname);
    }
    if (null == result) {
        // This should now never happen...
        warn(xctxt, XPATHErrorResources.WG_ILLEGAL_VARIABLE_REFERENCE, //"VariableReference given for variable out "+
        new Object[] { m_qname.getLocalPart() });
        //      (new RuntimeException()).printStackTrace();
        //      error(xctxt, XPATHErrorResources.ER_COULDNOT_GET_VAR_NAMED,
        //            new Object[]{ m_qname.getLocalPart() });  //"Could not get variable named "+varName);
        result = new XNodeSet(xctxt.getDTMManager());
    }
    return result;
//    }
//    else
//    {
//      // Hack city... big time.  This is needed to evaluate xpaths from extensions, 
//      // pending some bright light going off in my head.  Some sort of callback?
//      synchronized(this)
//      {
//      	org.apache.xalan.templates.ElemVariable vvar= getElemVariable();
//      	if(null != vvar)
//      	{
//          m_index = vvar.getIndex();
//          m_isGlobal = vvar.getIsTopLevel();
//          m_fixUpWasCalled = true;
//          return execute(xctxt);
//      	}
//      }
//      throw new javax.xml.transform.TransformerException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_VAR_NOT_RESOLVABLE, new Object[]{m_qname.toString()})); //"Variable not resolvable: "+m_qname);
//    }
}

Example 17 with XNodeSet

use of org.apache.xpath.objects.XNodeSet 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 18 with XNodeSet

use of org.apache.xpath.objects.XNodeSet in project j2objc by google.

the class Variable method execute.

/**
   * Dereference the variable, and return the reference value.  Note that lazy 
   * evaluation will occur.  If a variable within scope is not found, a warning 
   * will be sent to the error listener, and an empty nodeset will be returned.
   *
   *
   * @param xctxt The runtime execution context.
   *
   * @return The evaluated variable, or an empty nodeset if not found.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt, boolean destructiveOK) throws javax.xml.transform.TransformerException {
    org.apache.xml.utils.PrefixResolver xprefixResolver = xctxt.getNamespaceContext();
    XObject result;
    // XObject result = xctxt.getVariable(m_qname);
    if (m_fixUpWasCalled) {
        if (m_isGlobal)
            result = xctxt.getVarStack().getGlobalVariable(xctxt, m_index, destructiveOK);
        else
            result = xctxt.getVarStack().getLocalVariable(xctxt, m_index, destructiveOK);
    } else {
        result = xctxt.getVarStack().getVariableOrParam(xctxt, m_qname);
    }
    if (null == result) {
        // This should now never happen...
        warn(xctxt, XPATHErrorResources.WG_ILLEGAL_VARIABLE_REFERENCE, //"VariableReference given for variable out "+
        new Object[] { m_qname.getLocalPart() });
        //      (new RuntimeException()).printStackTrace();
        //      error(xctxt, XPATHErrorResources.ER_COULDNOT_GET_VAR_NAMED,
        //            new Object[]{ m_qname.getLocalPart() });  //"Could not get variable named "+varName);
        result = new XNodeSet(xctxt.getDTMManager());
    }
    return result;
//    }
//    else
//    {
//      // Hack city... big time.  This is needed to evaluate xpaths from extensions, 
//      // pending some bright light going off in my head.  Some sort of callback?
//      synchronized(this)
//      {
//      	org.apache.xalan.templates.ElemVariable vvar= getElemVariable();
//      	if(null != vvar)
//      	{
//          m_index = vvar.getIndex();
//          m_isGlobal = vvar.getIsTopLevel();
//          m_fixUpWasCalled = true;
//          return execute(xctxt);
//      	}
//      }
//      throw new javax.xml.transform.TransformerException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_VAR_NOT_RESOLVABLE, new Object[]{m_qname.toString()})); //"Variable not resolvable: "+m_qname);
//    }
}

Example 19 with XNodeSet

use of org.apache.xpath.objects.XNodeSet in project j2objc by google.

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 20 with XNodeSet

use of org.apache.xpath.objects.XNodeSet in project j2objc by google.

the class LocPathIterator method execute.

/**
   * Execute this iterator, meaning create a clone that can
   * store state, and initialize it for fast execution from
   * the current runtime state.  When this is called, no actual
   * query from the current context node is performed.
   *
   * @param xctxt The XPath execution context.
   *
   * @return An XNodeSet reference that holds this iterator.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    XNodeSet iter = new XNodeSet((LocPathIterator) m_clones.getInstance());
    iter.setRoot(xctxt.getCurrentNode(), xctxt);
    return iter;
}