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

Example 41 with XObject

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

the class FuncQname 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 = getArg0AsNode(xctxt);
    XObject val;
    if (DTM.NULL != context) {
        DTM dtm = xctxt.getDTM(context);
        String qname = dtm.getNodeNameX(context);
        val = (null == qname) ? XString.EMPTYSTRING : new XString(qname);
    } else {
        val = XString.EMPTYSTRING;
    }
    return val;
}

Example 42 with XObject

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

the class FuncExtFunction 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 {
    if (xctxt.isSecureProcessing())
        throw new javax.xml.transform.TransformerException(XPATHMessages.createXPATHMessage(XPATHErrorResources.ER_EXTENSION_FUNCTION_CANNOT_BE_INVOKED, new Object[] { toString() }));
    XObject result;
    Vector argVec = new Vector();
    int nArgs = m_argVec.size();
    for (int i = 0; i < nArgs; i++) {
        Expression arg = (Expression) m_argVec.elementAt(i);
        XObject xobj = arg.execute(xctxt);
        /*
       * Should cache the arguments for func:function
       */
        xobj.allowDetachToRelease(false);
        argVec.addElement(xobj);
    }
    // dml
    ExtensionsProvider extProvider = (ExtensionsProvider) xctxt.getOwnerObject();
    Object val = extProvider.extFunction(this, argVec);
    if (null != val) {
        result = XObject.create(val, xctxt);
    } else {
        result = new XNull();
    }
    return result;
}

Example 43 with XObject

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

the class FuncNormalizeSpace method executeCharsToContentHandler.

/**
 * Execute an expression in the XPath runtime context, and return the
 * result of the expression.
 *
 * @param xctxt The XPath runtime context.
 *
 * @return The result of the expression in the form of a <code>XObject</code>.
 *
 * @throws javax.xml.transform.TransformerException if a runtime exception
 *         occurs.
 */
public void executeCharsToContentHandler(XPathContext xctxt, ContentHandler handler) throws javax.xml.transform.TransformerException, org.xml.sax.SAXException {
    if (Arg0IsNodesetExpr()) {
        int node = getArg0AsNode(xctxt);
        if (DTM.NULL != node) {
            DTM dtm = xctxt.getDTM(node);
            dtm.dispatchCharactersEvents(node, handler, true);
        }
    } else {
        XObject obj = execute(xctxt);
        obj.dispatchCharactersEvents(handler);
    }
}

Example 44 with XObject

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

the class FuncRound 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 {
    final XObject obj = m_arg0.execute(xctxt);
    final double val = obj.num();
    if (val >= -0.5 && val < 0)
        return new XNumber(-0.0);
    if (val == 0.0)
        return new XNumber(val);
    return new XNumber(java.lang.Math.floor(val + 0.5));
}

Example 45 with XObject

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

the class PredicatedNodeTest method executePredicates.

/**
 * Process the predicates.
 *
 * @param context The current context node.
 * @param xctxt The XPath runtime context.
 *
 * @return the result of executing the predicate expressions.
 *
 * @throws javax.xml.transform.TransformerException
 */
boolean executePredicates(int context, XPathContext xctxt) throws javax.xml.transform.TransformerException {
    int nPredicates = getPredicateCount();
    // System.out.println("nPredicates: "+nPredicates);
    if (nPredicates == 0)
        return true;
    PrefixResolver savedResolver = xctxt.getNamespaceContext();
    try {
        m_predicateIndex = 0;
        xctxt.pushSubContextList(this);
        xctxt.pushNamespaceContext(m_lpi.getPrefixResolver());
        xctxt.pushCurrentNode(context);
        for (int i = 0; i < nPredicates; i++) {
            // System.out.println("Executing predicate expression - waiting count: "+m_lpi.getWaitingCount());
            XObject pred = m_predicates[i].execute(xctxt);
            // System.out.println("pred.getType(): "+pred.getType());
            if (XObject.CLASS_NUMBER == pred.getType()) {
                if (DEBUG_PREDICATECOUNTING) {
                    System.out.flush();
                    System.out.println("\n===== start predicate count ========");
                    System.out.println("m_predicateIndex: " + m_predicateIndex);
                    // System.out.println("getProximityPosition(m_predicateIndex): "
                    // + getProximityPosition(m_predicateIndex));
                    System.out.println("pred.num(): " + pred.num());
                }
                int proxPos = this.getProximityPosition(m_predicateIndex);
                int predIndex = (int) pred.num();
                if (proxPos != predIndex) {
                    if (DEBUG_PREDICATECOUNTING) {
                        System.out.println("\nnode context: " + nodeToString(context));
                        System.out.println("index predicate is false: " + proxPos);
                        System.out.println("\n===== end predicate count ========");
                    }
                    return false;
                } else if (DEBUG_PREDICATECOUNTING) {
                    System.out.println("\nnode context: " + nodeToString(context));
                    System.out.println("index predicate is true: " + proxPos);
                    System.out.println("\n===== end predicate count ========");
                }
                // only sets m_foundLast if on the last predicate
                if (m_predicates[i].isStableNumber() && i == nPredicates - 1) {
                    m_foundLast = true;
                }
            } else if (!pred.bool())
                return false;
            countProximityPosition(++m_predicateIndex);
        }
    } finally {
        xctxt.popCurrentNode();
        xctxt.popNamespaceContext();
        xctxt.popSubContextList();
        m_predicateIndex = -1;
    }
    return true;
}