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

Example 51 with XObject

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

the class XPathExpressionImpl method eval.

private XObject eval(Object contextItem) throws javax.xml.transform.TransformerException {
    org.apache.xpath.XPathContext xpathSupport = null;
    // expressions.
    if (functionResolver != null) {
        JAXPExtensionsProvider jep = new JAXPExtensionsProvider(functionResolver, featureSecureProcessing);
        xpathSupport = new org.apache.xpath.XPathContext(jep, false);
    } else {
        xpathSupport = new org.apache.xpath.XPathContext(false);
    }
    xpathSupport.setVarStack(new JAXPVariableStack(variableResolver));
    XObject xobj = null;
    Node contextNode = (Node) contextItem;
    // dummy Document as Context Node
    if (contextNode == null) {
        contextNode = getDummyDocument();
    }
    xobj = xpath.execute(xpathSupport, contextNode, prefixResolver);
    return xobj;
}

Example 52 with XObject

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

the class Equals method bool.

/**
   * Execute a binary operation by calling execute on each of the operands,
   * and then calling the operate method on the derived class.
   *
   *
   * @param xctxt The runtime execution context.
   *
   * @return The XObject result of the operation.
   *
   * @throws javax.xml.transform.TransformerException
   */
public boolean bool(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    XObject left = m_left.execute(xctxt, true);
    XObject right = m_right.execute(xctxt, true);
    boolean result = left.equals(right) ? true : false;
    left.detach();
    right.detach();
    return result;
}

Example 53 with XObject

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

the class Operation method execute.

/**
   * Execute a binary operation by calling execute on each of the operands,
   * and then calling the operate method on the derived class.
   *
   *
   * @param xctxt The runtime execution context.
   *
   * @return The XObject result of the operation.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    XObject left = m_left.execute(xctxt, true);
    XObject right = m_right.execute(xctxt, true);
    XObject result = operate(left, right);
    left.detach();
    right.detach();
    return result;
}

Example 54 with XObject

use of org.apache.xpath.objects.XObject 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 55 with XObject

use of org.apache.xpath.objects.XObject 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;
}