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

Example 81 with XObject

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

the class XUnresolvedVariableSimple method execute.

/**
   * For support of literal objects in xpaths.
   *
   * @param xctxt The XPath execution context.
   *
   * @return This object.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    Expression expr = ((ElemVariable) m_obj).getSelect().getExpression();
    XObject xobj = expr.execute(xctxt);
    xobj.allowDetachToRelease(false);
    return xobj;
}

Example 82 with XObject

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

the class ElemCallTemplate method execute.

/**
   * Invoke a named template.
   * @see <a href="http://www.w3.org/TR/xslt#named-templates">named-templates in XSLT Specification</a>
   *
   * @param transformer non-null reference to the the current transform-time state.
   *
   * @throws TransformerException
   */
public void execute(TransformerImpl transformer) throws TransformerException {
    if (null != m_template) {
        XPathContext xctxt = transformer.getXPathContext();
        VariableStack vars = xctxt.getVarStack();
        int thisframe = vars.getStackFrame();
        int nextFrame = vars.link(m_template.m_frameSize);
        // so that the default param evaluation will work correctly.
        if (m_template.m_inArgsSize > 0) {
            vars.clearLocalSlots(0, m_template.m_inArgsSize);
            if (null != m_paramElems) {
                int currentNode = xctxt.getCurrentNode();
                vars.setStackFrame(thisframe);
                int size = m_paramElems.length;
                for (int i = 0; i < size; i++) {
                    ElemWithParam ewp = m_paramElems[i];
                    if (ewp.m_index >= 0) {
                        XObject obj = ewp.getValue(transformer, currentNode);
                        // Note here that the index for ElemWithParam must have been
                        // statically made relative to the xsl:template being called, 
                        // NOT this xsl:template.
                        vars.setLocalVariable(ewp.m_index, obj, nextFrame);
                    }
                }
                vars.setStackFrame(nextFrame);
            }
        }
        SourceLocator savedLocator = xctxt.getSAXLocator();
        try {
            xctxt.setSAXLocator(m_template);
            // template.executeChildTemplates(transformer, sourceNode, mode, true);
            transformer.pushElemTemplateElement(m_template);
            m_template.execute(transformer);
        } finally {
            transformer.popElemTemplateElement();
            xctxt.setSAXLocator(savedLocator);
            // When we entered this function, the current 
            // frame buffer (cfb) index in the variable stack may 
            // have been manually set.  If we just call 
            // unlink(), however, it will restore the cfb to the 
            // previous link index from the link stack, rather than 
            // the manually set cfb.  So, 
            // the only safe solution is to restore it back 
            // to the same position it was on entry, since we're 
            // really not working in a stack context here. (Bug4218)
            vars.unlink(thisframe);
        }
    } else {
        transformer.getMsgMgr().error(this, XSLTErrorResources.ER_TEMPLATE_NOT_FOUND, //"Could not find template named: '"+templateName+"'");
        new Object[] { m_templateName });
    }
}

Example 83 with XObject

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

the class ElemExsltFuncResult method execute.

/**
   * Generate the EXSLT function return value, and assign it to the variable
   * index slot assigned for it in ElemExsltFunction compose().
   * 
   */
public void execute(TransformerImpl transformer) throws TransformerException {
    XPathContext context = transformer.getXPathContext();
    // in the owner ElemExsltFunction execute().
    if (transformer.currentFuncResultSeen()) {
        throw new TransformerException("An EXSLT function cannot set more than one result!");
    }
    int sourceNode = context.getCurrentNode();
    // Set the return value;
    XObject var = getValue(transformer, sourceNode);
    transformer.popCurrentFuncResult();
    transformer.pushCurrentFuncResult(var);
}

Example 84 with XObject

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

the class FuncKey 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 {
    // TransformerImpl transformer = (TransformerImpl)xctxt;
    TransformerImpl transformer = (TransformerImpl) xctxt.getOwnerObject();
    XNodeSet nodes = null;
    int context = xctxt.getCurrentNode();
    DTM dtm = xctxt.getDTM(context);
    int docContext = dtm.getDocumentRoot(context);
    if (DTM.NULL == docContext) {
    // path.error(context, XPATHErrorResources.ER_CONTEXT_HAS_NO_OWNERDOC); //"context does not have an owner document!");
    }
    String xkeyname = getArg0().execute(xctxt).str();
    QName keyname = new QName(xkeyname, xctxt.getNamespaceContext());
    XObject arg = getArg1().execute(xctxt);
    boolean argIsNodeSetDTM = (XObject.CLASS_NODESET == arg.getType());
    KeyManager kmgr = transformer.getKeyManager();
    // Don't bother with nodeset logic if the thing is only one node.
    if (argIsNodeSetDTM) {
        XNodeSet ns = (XNodeSet) arg;
        ns.setShouldCacheNodes(true);
        int len = ns.getLength();
        if (len <= 1)
            argIsNodeSetDTM = false;
    }
    if (argIsNodeSetDTM) {
        Hashtable usedrefs = null;
        DTMIterator ni = arg.iter();
        int pos;
        UnionPathIterator upi = new UnionPathIterator();
        upi.exprSetParent(this);
        while (DTM.NULL != (pos = ni.nextNode())) {
            dtm = xctxt.getDTM(pos);
            XMLString ref = dtm.getStringValue(pos);
            if (null == ref)
                continue;
            if (null == usedrefs)
                usedrefs = new Hashtable();
            if (usedrefs.get(ref) != null) {
                // We already have 'em.
                continue;
            } else {
                // ISTRUE being used as a dummy value.
                usedrefs.put(ref, ISTRUE);
            }
            XNodeSet nl = kmgr.getNodeSetDTMByKey(xctxt, docContext, keyname, ref, xctxt.getNamespaceContext());
            nl.setRoot(xctxt.getCurrentNode(), xctxt);
            //        try
            //        {
            upi.addIterator(nl);
        //        }
        //        catch(CloneNotSupportedException cnse)
        //        {
        //          // will never happen.
        //        }
        //mnodeset.addNodesInDocOrder(nl, xctxt); needed??
        }
        int current = xctxt.getCurrentNode();
        upi.setRoot(current, xctxt);
        nodes = new XNodeSet(upi);
    } else {
        XMLString ref = arg.xstr();
        nodes = kmgr.getNodeSetDTMByKey(xctxt, docContext, keyname, ref, xctxt.getNamespaceContext());
        nodes.setRoot(xctxt.getCurrentNode(), xctxt);
    }
    return nodes;
}

Example 85 with XObject

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

the class XPathImpl method eval.

private XObject eval(String expression, Object contextItem) throws javax.xml.transform.TransformerException {
    org.apache.xpath.XPath xpath = new org.apache.xpath.XPath(expression, null, prefixResolver, org.apache.xpath.XPath.SELECT);
    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);
    }
    XObject xobj = null;
    xpathSupport.setVarStack(new JAXPVariableStack(variableResolver));
    // If item is null, then we will create a a Dummy contextNode
    if (contextItem instanceof Node) {
        xobj = xpath.execute(xpathSupport, (Node) contextItem, prefixResolver);
    } else {
        xobj = xpath.execute(xpathSupport, DTM.NULL, prefixResolver);
    }
    return xobj;
}