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

Example 6 with DTM

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

the class ElemNumber method getCountMatchPattern.

/**
   * Get the count match pattern, or a default value.
   *
   * @param support The XPath runtime state for this.
   * @param contextNode The node that "." expresses.
   *
   * @return the count match pattern, or a default value. 
   *
   * @throws javax.xml.transform.TransformerException
   */
XPath getCountMatchPattern(XPathContext support, int contextNode) throws javax.xml.transform.TransformerException {
    XPath countMatchPattern = m_countMatchPattern;
    DTM dtm = support.getDTM(contextNode);
    if (null == countMatchPattern) {
        switch(dtm.getNodeType(contextNode)) {
            case DTM.ELEMENT_NODE:
                MyPrefixResolver resolver;
                if (dtm.getNamespaceURI(contextNode) == null) {
                    resolver = new MyPrefixResolver(dtm.getNode(contextNode), dtm, contextNode, false);
                } else {
                    resolver = new MyPrefixResolver(dtm.getNode(contextNode), dtm, contextNode, true);
                }
                countMatchPattern = new XPath(dtm.getNodeName(contextNode), this, resolver, XPath.MATCH, support.getErrorListener());
                break;
            case DTM.ATTRIBUTE_NODE:
                // countMatchPattern = m_stylesheet.createMatchPattern("@"+contextNode.getNodeName(), this);
                countMatchPattern = new XPath("@" + dtm.getNodeName(contextNode), this, this, XPath.MATCH, support.getErrorListener());
                break;
            case DTM.CDATA_SECTION_NODE:
            case DTM.TEXT_NODE:
                // countMatchPattern = m_stylesheet.createMatchPattern("text()", this);
                countMatchPattern = new XPath("text()", this, this, XPath.MATCH, support.getErrorListener());
                break;
            case DTM.COMMENT_NODE:
                // countMatchPattern = m_stylesheet.createMatchPattern("comment()", this);
                countMatchPattern = new XPath("comment()", this, this, XPath.MATCH, support.getErrorListener());
                break;
            case DTM.DOCUMENT_NODE:
                // countMatchPattern = m_stylesheet.createMatchPattern("/", this);
                countMatchPattern = new XPath("/", this, this, XPath.MATCH, support.getErrorListener());
                break;
            case DTM.PROCESSING_INSTRUCTION_NODE:
                // countMatchPattern = m_stylesheet.createMatchPattern("pi("+contextNode.getNodeName()+")", this);
                countMatchPattern = new XPath("pi(" + dtm.getNodeName(contextNode) + ")", this, this, XPath.MATCH, support.getErrorListener());
                break;
            default:
                countMatchPattern = null;
        }
    }
    return countMatchPattern;
}

Example 7 with DTM

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

the class ElemNumber method getMatchingAncestors.

/**
   * Get the ancestors, up to the root, that match the
   * pattern.
   * 
   * @param xctxt The XPath runtime state for this.
   * @param node Count this node and it's ancestors.
   * @param stopAtFirstFound Flag indicating to stop after the
   * first node is found (difference between level = single
   * or multiple)
   * @return The number of ancestors that match the pattern.
   *
   * @throws javax.xml.transform.TransformerException
   */
NodeVector getMatchingAncestors(XPathContext xctxt, int node, boolean stopAtFirstFound) throws javax.xml.transform.TransformerException {
    NodeSetDTM ancestors = new NodeSetDTM(xctxt.getDTMManager());
    XPath countMatchPattern = getCountMatchPattern(xctxt, node);
    DTM dtm = xctxt.getDTM(node);
    while (DTM.NULL != node) {
        if ((null != m_fromMatchPattern) && (m_fromMatchPattern.getMatchScore(xctxt, node) != XPath.MATCH_SCORE_NONE)) {
            // that we still don't understand.
            if (!stopAtFirstFound)
                break;
        }
        if (null == countMatchPattern)
            System.out.println("Programmers error! countMatchPattern should never be null!");
        if (countMatchPattern.getMatchScore(xctxt, node) != XPath.MATCH_SCORE_NONE) {
            ancestors.addElement(node);
            if (stopAtFirstFound)
                break;
        }
        node = dtm.getParent(node);
    }
    return ancestors;
}

Example 8 with DTM

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

the class DTMTreeWalker method startNode.

/**
   * Start processing given node
   *
   *
   * @param node Node to process
   *
   * @throws org.xml.sax.SAXException
   */
protected void startNode(int node) throws org.xml.sax.SAXException {
    if (m_contentHandler instanceof NodeConsumer) {
    // %TBD%
    //      ((NodeConsumer) m_contentHandler).setOriginatingNode(node);
    }
    switch(m_dtm.getNodeType(node)) {
        case DTM.COMMENT_NODE:
            {
                XMLString data = m_dtm.getStringValue(node);
                if (m_contentHandler instanceof LexicalHandler) {
                    LexicalHandler lh = ((LexicalHandler) this.m_contentHandler);
                    data.dispatchAsComment(lh);
                }
            }
            break;
        case DTM.DOCUMENT_FRAGMENT_NODE:
            // ??;
            break;
        case DTM.DOCUMENT_NODE:
            this.m_contentHandler.startDocument();
            break;
        case DTM.ELEMENT_NODE:
            DTM dtm = m_dtm;
            for (int nsn = dtm.getFirstNamespaceNode(node, true); DTM.NULL != nsn; nsn = dtm.getNextNamespaceNode(node, nsn, true)) {
                // String prefix = dtm.getPrefix(nsn);
                String prefix = dtm.getNodeNameX(nsn);
                this.m_contentHandler.startPrefixMapping(prefix, dtm.getNodeValue(nsn));
            }
            // System.out.println("m_dh.getNamespaceOfNode(node): "+m_dh.getNamespaceOfNode(node));
            // System.out.println("m_dh.getLocalNameOfNode(node): "+m_dh.getLocalNameOfNode(node));
            String ns = dtm.getNamespaceURI(node);
            if (null == ns)
                ns = "";
            // %OPT% !!
            org.xml.sax.helpers.AttributesImpl attrs = new org.xml.sax.helpers.AttributesImpl();
            for (int i = dtm.getFirstAttribute(node); i != DTM.NULL; i = dtm.getNextAttribute(i)) {
                attrs.addAttribute(dtm.getNamespaceURI(i), dtm.getLocalName(i), dtm.getNodeName(i), "CDATA", dtm.getNodeValue(i));
            }
            this.m_contentHandler.startElement(ns, m_dtm.getLocalName(node), m_dtm.getNodeName(node), attrs);
            break;
        case DTM.PROCESSING_INSTRUCTION_NODE:
            {
                String name = m_dtm.getNodeName(node);
                // String data = pi.getData();
                if (name.equals("xslt-next-is-raw")) {
                    nextIsRaw = true;
                } else {
                    this.m_contentHandler.processingInstruction(name, m_dtm.getNodeValue(node));
                }
            }
            break;
        case DTM.CDATA_SECTION_NODE:
            {
                boolean isLexH = (m_contentHandler instanceof LexicalHandler);
                LexicalHandler lh = isLexH ? ((LexicalHandler) this.m_contentHandler) : null;
                if (isLexH) {
                    lh.startCDATA();
                }
                dispatachChars(node);
                {
                    if (isLexH) {
                        lh.endCDATA();
                    }
                }
            }
            break;
        case DTM.TEXT_NODE:
            {
                if (nextIsRaw) {
                    nextIsRaw = false;
                    m_contentHandler.processingInstruction(javax.xml.transform.Result.PI_DISABLE_OUTPUT_ESCAPING, "");
                    dispatachChars(node);
                    m_contentHandler.processingInstruction(javax.xml.transform.Result.PI_ENABLE_OUTPUT_ESCAPING, "");
                } else {
                    dispatachChars(node);
                }
            }
            break;
        case DTM.ENTITY_REFERENCE_NODE:
            {
                if (m_contentHandler instanceof LexicalHandler) {
                    ((LexicalHandler) this.m_contentHandler).startEntity(m_dtm.getNodeName(node));
                } else {
                // warning("Can not output entity to a pure SAX ContentHandler");
                }
            }
            break;
        default:
    }
}

Example 9 with DTM

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

the class TreeWalker2Result method startNode.

/**
   * Start traversal of the tree at the given node
   *
   *
   * @param node Starting node for traversal
   *
   * @throws TransformerException
   */
protected void startNode(int node) throws org.xml.sax.SAXException {
    XPathContext xcntxt = m_transformer.getXPathContext();
    try {
        if (DTM.ELEMENT_NODE == m_dtm.getNodeType(node)) {
            xcntxt.pushCurrentNode(node);
            if (m_startNode != node) {
                super.startNode(node);
            } else {
                String elemName = m_dtm.getNodeName(node);
                String localName = m_dtm.getLocalName(node);
                String namespace = m_dtm.getNamespaceURI(node);
                //xcntxt.pushCurrentNode(node);       
                // SAX-like call to allow adding attributes afterwards
                m_handler.startElement(namespace, localName, elemName);
                boolean hasNSDecls = false;
                DTM dtm = m_dtm;
                for (int ns = dtm.getFirstNamespaceNode(node, true); DTM.NULL != ns; ns = dtm.getNextNamespaceNode(node, ns, true)) {
                    SerializerUtils.ensureNamespaceDeclDeclared(m_handler, dtm, ns);
                }
                for (int attr = dtm.getFirstAttribute(node); DTM.NULL != attr; attr = dtm.getNextAttribute(attr)) {
                    SerializerUtils.addAttribute(m_handler, attr);
                }
            }
        } else {
            xcntxt.pushCurrentNode(node);
            super.startNode(node);
            xcntxt.popCurrentNode();
        }
    } catch (javax.xml.transform.TransformerException te) {
        throw new org.xml.sax.SAXException(te);
    }
}

Example 10 with DTM

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

the class NodeSetDTM method addNodeInDocOrder.

// %TBD%
//  /**
//   * Add the node list to this node set in document order.
//   *
//   * @param start index.
//   * @param end index.
//   * @param testIndex index.
//   * @param nodelist The nodelist to add.
//   * @param support The XPath runtime context.
//   *
//   * @return false always.
//   * @throws RuntimeException thrown if this NodeSetDTM is not of 
//   * a mutable type.
//   */
//  private boolean addNodesInDocOrder(int start, int end, int testIndex,
//                                     NodeList nodelist, XPathContext support)
//  {
//
//    if (!m_mutable)
//      throw new RuntimeException("This NodeSetDTM is not mutable!");
//
//    boolean foundit = false;
//    int i;
//    int node = nodelist.item(testIndex);
//
//    for (i = end; i >= start; i--)
//    {
//      int child = elementAt(i);
//
//      if (child == node)
//      {
//        i = -2;  // Duplicate, suppress insert
//
//        break;
//      }
//
//      if (!support.getDOMHelper().isNodeAfter(node, child))
//      {
//        insertElementAt(node, i + 1);
//
//        testIndex--;
//
//        if (testIndex > 0)
//        {
//          boolean foundPrev = addNodesInDocOrder(0, i, testIndex, nodelist,
//                                                 support);
//
//          if (!foundPrev)
//          {
//            addNodesInDocOrder(i, size() - 1, testIndex, nodelist, support);
//          }
//        }
//
//        break;
//      }
//    }
//
//    if (i == -1)
//    {
//      insertElementAt(node, 0);
//    }
//
//    return foundit;
//  }
/**
   * Add the node into a vector of nodes where it should occur in
   * document order.
   * @param node The node to be added.
   * @param test true if we should test for doc order
   * @param support The XPath runtime context.
   * @return insertIndex.
   * @throws RuntimeException thrown if this NodeSetDTM is not of 
   * a mutable type.
   */
public int addNodeInDocOrder(int node, boolean test, XPathContext support) {
    if (!m_mutable)
        //"This NodeSetDTM is not mutable!");
        throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NODESETDTM_NOT_MUTABLE, null));
    int insertIndex = -1;
    if (test) {
        // This needs to do a binary search, but a binary search 
        // is somewhat tough because the sequence test involves 
        // two nodes.
        int size = size(), i;
        for (i = size - 1; i >= 0; i--) {
            int child = elementAt(i);
            if (child == node) {
                // Duplicate, suppress insert
                i = -2;
                break;
            }
            DTM dtm = support.getDTM(node);
            if (!dtm.isNodeAfter(node, child)) {
                break;
            }
        }
        if (i != -2) {
            insertIndex = i + 1;
            insertElementAt(node, insertIndex);
        }
    } else {
        insertIndex = this.size();
        boolean foundit = false;
        for (int i = 0; i < insertIndex; i++) {
            if (i == node) {
                foundit = true;
                break;
            }
        }
        if (!foundit)
            addElement(node);
    }
    // checkDups();
    return insertIndex;
}