Examples with DTM org.apache.xml.dtm.DTM used on opensource projects

Example 21 with DTM

use of org.apache.xml.dtm.DTM in project robovm by robovm.

the class NodeTest method execute.

/**
   * Tell what the test score is for the given node.
   *
   *
   * @param xctxt XPath runtime context.
   * @param context The node being tested.
   *
   * @return {@link org.apache.xpath.patterns.NodeTest#SCORE_NODETEST},
   *         {@link org.apache.xpath.patterns.NodeTest#SCORE_NONE},
   *         {@link org.apache.xpath.patterns.NodeTest#SCORE_NSWILD},
   *         {@link org.apache.xpath.patterns.NodeTest#SCORE_QNAME}, or
   *         {@link org.apache.xpath.patterns.NodeTest#SCORE_OTHER}.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt, int context) throws javax.xml.transform.TransformerException {
    DTM dtm = xctxt.getDTM(context);
    short nodeType = dtm.getNodeType(context);
    if (m_whatToShow == DTMFilter.SHOW_ALL)
        return m_score;
    int nodeBit = (m_whatToShow & (0x00000001 << (nodeType - 1)));
    switch(nodeBit) {
        case DTMFilter.SHOW_DOCUMENT_FRAGMENT:
        case DTMFilter.SHOW_DOCUMENT:
            return SCORE_OTHER;
        case DTMFilter.SHOW_COMMENT:
            return m_score;
        case DTMFilter.SHOW_CDATA_SECTION:
        case DTMFilter.SHOW_TEXT:
            //       ? m_score : SCORE_NONE;
            return m_score;
        case DTMFilter.SHOW_PROCESSING_INSTRUCTION:
            return subPartMatch(dtm.getNodeName(context), m_name) ? m_score : SCORE_NONE;
        // the prefix expands, regardless of the local part of the name."
        case DTMFilter.SHOW_NAMESPACE:
            {
                String ns = dtm.getLocalName(context);
                return (subPartMatch(ns, m_name)) ? m_score : SCORE_NONE;
            }
        case DTMFilter.SHOW_ATTRIBUTE:
        case DTMFilter.SHOW_ELEMENT:
            {
                return (m_isTotallyWild || (subPartMatchNS(dtm.getNamespaceURI(context), m_namespace) && subPartMatch(dtm.getLocalName(context), m_name))) ? m_score : SCORE_NONE;
            }
        default:
            return SCORE_NONE;
    }
// end switch(testType)
}

Example 22 with DTM

use of org.apache.xml.dtm.DTM in project robovm by robovm.

the class StepPattern method getProximityPosition.

/**
   * Get the proximity position index of the current node based on this
   * node test.
   *
   *
   * @param xctxt XPath runtime context.
   * @param predPos Which predicate we're evaluating of foo[1][2][3].
   * @param findLast If true, don't terminate when the context node is found.
   *
   * @return the proximity position index of the current node based on the
   *         node test.
   */
private final int getProximityPosition(XPathContext xctxt, int predPos, boolean findLast) {
    int pos = 0;
    int context = xctxt.getCurrentNode();
    DTM dtm = xctxt.getDTM(context);
    int parent = dtm.getParent(context);
    try {
        DTMAxisTraverser traverser = dtm.getAxisTraverser(Axis.CHILD);
        for (int child = traverser.first(parent); DTM.NULL != child; child = traverser.next(parent, child)) {
            try {
                xctxt.pushCurrentNode(child);
                if (NodeTest.SCORE_NONE != super.execute(xctxt, child)) {
                    boolean pass = true;
                    try {
                        xctxt.pushSubContextList(this);
                        for (int i = 0; i < predPos; i++) {
                            xctxt.pushPredicatePos(i);
                            try {
                                XObject pred = m_predicates[i].execute(xctxt);
                                try {
                                    if (XObject.CLASS_NUMBER == pred.getType()) {
                                        if ((pos + 1) != (int) pred.numWithSideEffects()) {
                                            pass = false;
                                            break;
                                        }
                                    } else if (!pred.boolWithSideEffects()) {
                                        pass = false;
                                        break;
                                    }
                                } finally {
                                    pred.detach();
                                }
                            } finally {
                                xctxt.popPredicatePos();
                            }
                        }
                    } finally {
                        xctxt.popSubContextList();
                    }
                    if (pass)
                        pos++;
                    if (!findLast && child == context) {
                        return pos;
                    }
                }
            } finally {
                xctxt.popCurrentNode();
            }
        }
    } catch (javax.xml.transform.TransformerException se) {
        // TODO: should keep throw sax exception...
        throw new java.lang.RuntimeException(se.getMessage());
    }
    return pos;
}

Example 23 with DTM

use of org.apache.xml.dtm.DTM in project robovm by robovm.

the class XString method rtf.

/**
   * Cast result object to a result tree fragment.
   *
   * @param support Xpath context to use for the conversion
   *
   * @return A document fragment with this string as a child node
   */
public int rtf(XPathContext support) {
    DTM frag = support.createDocumentFragment();
    frag.appendTextChild(str());
    return frag.getDocument();
}

Example 24 with DTM

use of org.apache.xml.dtm.DTM in project j2objc by google.

the class ChildIterator method asNode.

/**
   * Return the first node out of the nodeset, if this expression is 
   * a nodeset expression.  This is the default implementation for 
   * nodesets.
   * <p>WARNING: Do not mutate this class from this function!</p>
   * @param xctxt The XPath runtime context.
   * @return the first node out of the nodeset, or DTM.NULL.
   */
public int asNode(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    int current = xctxt.getCurrentNode();
    DTM dtm = xctxt.getDTM(current);
    return dtm.getFirstChild(current);
}

Example 25 with DTM

use of org.apache.xml.dtm.DTM in project j2objc by google.

the class DescendantIterator method asNode.

/**
   * Return the first node out of the nodeset, if this expression is 
   * a nodeset expression.  This is the default implementation for 
   * nodesets.
   * <p>WARNING: Do not mutate this class from this function!</p>
   * @param xctxt The XPath runtime context.
   * @return the first node out of the nodeset, or DTM.NULL.
   */
public int asNode(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    if (getPredicateCount() > 0)
        return super.asNode(xctxt);
    int current = xctxt.getCurrentNode();
    DTM dtm = xctxt.getDTM(current);
    DTMAxisTraverser traverser = dtm.getAxisTraverser(m_axis);
    String localName = getLocalName();
    String namespace = getNamespace();
    int what = m_whatToShow;
    // NodeTest.debugWhatToShow(what);
    if (DTMFilter.SHOW_ALL == what || localName == NodeTest.WILD || namespace == NodeTest.WILD) {
        return traverser.first(current);
    } else {
        int type = getNodeTypeTest(what);
        int extendedType = dtm.getExpandedTypeID(namespace, localName, type);
        return traverser.first(current, extendedType);
    }
}