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

Example 76 with DTM

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

the class StylesheetRoot method shouldStripWhiteSpace.

/**
   * Get information about whether or not an element should strip whitespace.
   * @see <a href="http://www.w3.org/TR/xslt#strip">strip in XSLT Specification</a>
   *
   * @param support The XPath runtime state.
   * @param targetElement Element to check
   *
   * @return true if the whitespace should be stripped.
   *
   * @throws TransformerException
   */
public boolean shouldStripWhiteSpace(XPathContext support, int targetElement) throws TransformerException {
    if (null != m_whiteSpaceInfoList) {
        while (DTM.NULL != targetElement) {
            DTM dtm = support.getDTM(targetElement);
            WhiteSpaceInfo info = (WhiteSpaceInfo) m_whiteSpaceInfoList.getTemplate(support, targetElement, null, false, dtm);
            if (null != info)
                return info.getShouldStripSpace();
            int parent = dtm.getParent(targetElement);
            if (DTM.NULL != parent && DTM.ELEMENT_NODE == dtm.getNodeType(parent))
                targetElement = parent;
            else
                targetElement = DTM.NULL;
        }
    }
    return false;
}

Example 77 with DTM

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

the class Counter method getPreviouslyCounted.

/**
   * Construct a counter object.
   *
   * @param numberElem The owning xsl:number element. 
   *
   * @throws TransformerException
   *
  Counter(ElemNumber numberElem) throws TransformerException
  {
    m_numberElem = numberElem;
  }*/
/**
   * Try and find a node that was previously counted. If found,
   * return a positive integer that corresponds to the count.
   *
   * @param support The XPath context to use
   * @param node The node to be counted.
   * 
   * @return The count of the node, or -1 if not found.
   */
int getPreviouslyCounted(XPathContext support, int node) {
    int n = m_countNodes.size();
    m_countResult = 0;
    for (int i = n - 1; i >= 0; i--) {
        int countedNode = m_countNodes.elementAt(i);
        if (node == countedNode) {
            // Since the list is in backwards order, the count is 
            // how many are in the rest of the list.
            m_countResult = i + 1 + m_countNodesStartCount;
            break;
        }
        DTM dtm = support.getDTM(countedNode);
        // if it does, don't keep searching backwards.
        if (dtm.isNodeAfter(countedNode, node))
            break;
    }
    return m_countResult;
}

Example 78 with DTM

use of org.apache.xml.dtm.DTM 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 79 with DTM

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

the class ElemForEach method transformSelectedNodes.

/**
   * Perform a query if needed, and call transformNode for each child.
   *
   * @param transformer non-null reference to the the current transform-time state.
   *
   * @throws TransformerException Thrown in a variety of circumstances.
   * @xsl.usage advanced
   */
public void transformSelectedNodes(TransformerImpl transformer) throws TransformerException {
    final XPathContext xctxt = transformer.getXPathContext();
    final int sourceNode = xctxt.getCurrentNode();
    DTMIterator sourceNodes = m_selectExpression.asIterator(xctxt, sourceNode);
    try {
        final Vector keys = (m_sortElems == null) ? null : transformer.processSortKeys(this, sourceNode);
        // Sort if we need to.
        if (null != keys)
            sourceNodes = sortNodes(xctxt, keys, sourceNodes);
        xctxt.pushCurrentNode(DTM.NULL);
        IntStack currentNodes = xctxt.getCurrentNodeStack();
        xctxt.pushCurrentExpressionNode(DTM.NULL);
        IntStack currentExpressionNodes = xctxt.getCurrentExpressionNodeStack();
        xctxt.pushSAXLocatorNull();
        xctxt.pushContextNodeList(sourceNodes);
        transformer.pushElemTemplateElement(null);
        // pushParams(transformer, xctxt);
        // Should be able to get this from the iterator but there must be a bug.
        DTM dtm = xctxt.getDTM(sourceNode);
        int docID = sourceNode & DTMManager.IDENT_DTM_DEFAULT;
        int child;
        while (DTM.NULL != (child = sourceNodes.nextNode())) {
            currentNodes.setTop(child);
            currentExpressionNodes.setTop(child);
            if ((child & DTMManager.IDENT_DTM_DEFAULT) != docID) {
                dtm = xctxt.getDTM(child);
                docID = child & DTMManager.IDENT_DTM_DEFAULT;
            }
            //final int exNodeType = dtm.getExpandedTypeID(child);
            final int nodeType = dtm.getNodeType(child);
            // each of them.
            for (ElemTemplateElement t = this.m_firstChild; t != null; t = t.m_nextSibling) {
                xctxt.setSAXLocator(t);
                transformer.setCurrentElement(t);
                t.execute(transformer);
            }
            // FuncDocument and here.
            if (m_doc_cache_off) {
                if (DEBUG)
                    System.out.println("JJK***** CACHE RELEASE *****\n" + "\tdtm=" + dtm.getDocumentBaseURI());
                // NOTE: This will work because this is _NOT_ a shared DTM, and thus has
                // only a single Document node. If it could ever be an RTF or other
                // shared DTM, this would require substantial rework.
                xctxt.getSourceTreeManager().removeDocumentFromCache(dtm.getDocument());
                xctxt.release(dtm, false);
            }
        }
    } finally {
        xctxt.popSAXLocator();
        xctxt.popContextNodeList();
        transformer.popElemTemplateElement();
        xctxt.popCurrentExpressionNode();
        xctxt.popCurrentNode();
        sourceNodes.detach();
    }
}

Example 80 with DTM

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

the class SerializerUtils method addAttribute.

/**
     * Copy an DOM attribute to the created output element, executing
     * attribute templates as need be, and processing the xsl:use
     * attribute.
     *
     * @param handler SerializationHandler to which the attributes are added.
     * @param attr Attribute node to add to SerializationHandler.
     *
     * @throws TransformerException
     */
public static void addAttribute(SerializationHandler handler, int attr) throws TransformerException {
    TransformerImpl transformer = (TransformerImpl) handler.getTransformer();
    DTM dtm = transformer.getXPathContext().getDTM(attr);
    if (SerializerUtils.isDefinedNSDecl(handler, attr, dtm))
        return;
    String ns = dtm.getNamespaceURI(attr);
    if (ns == null)
        ns = "";
    // %OPT% ...can I just store the node handle?
    try {
        handler.addAttribute(ns, dtm.getLocalName(attr), dtm.getNodeName(attr), "CDATA", dtm.getNodeValue(attr), false);
    } catch (SAXException e) {
    // do something?
    }
}