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

Example 31 with DTM

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

the class FuncDocument 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 = xctxt.getCurrentNode();
    DTM dtm = xctxt.getDTM(context);
    int docContext = dtm.getDocumentRoot(context);
    XObject arg = (XObject) this.getArg0().execute(xctxt);
    String base = "";
    Expression arg1Expr = this.getArg1();
    if (null != arg1Expr) {
        // The URI reference may be relative. The base URI (see [3.2 Base URI]) 
        // of the node in the second argument node-set that is first in document 
        // order is used as the base URI for resolving the 
        // relative URI into an absolute URI. 
        XObject arg2 = arg1Expr.execute(xctxt);
        if (XObject.CLASS_NODESET == arg2.getType()) {
            int baseNode = arg2.iter().nextNode();
            if (baseNode == DTM.NULL) {
                // See http://www.w3.org/1999/11/REC-xslt-19991116-errata#E14.
                // If the second argument is an empty nodeset, this is an error.
                // The processor can recover by returning an empty nodeset.
                warn(xctxt, XSLTErrorResources.WG_EMPTY_SECOND_ARG, null);
                XNodeSet nodes = new XNodeSet(xctxt.getDTMManager());
                return nodes;
            } else {
                DTM baseDTM = xctxt.getDTM(baseNode);
                base = baseDTM.getDocumentBaseURI();
            }
        // %REVIEW% This doesn't seem to be a problem with the conformance
        // suite, but maybe it's just not doing a good test?
        //        int baseDoc = baseDTM.getDocument();
        //
        //        if (baseDoc == DTM.NULL /* || baseDoc instanceof Stylesheet  -->What to do?? */)
        //        {
        //
        //          // base = ((Stylesheet)baseDoc).getBaseIdentifier();
        //          base = xctxt.getNamespaceContext().getBaseIdentifier();
        //        }
        //        else
        //          base = xctxt.getSourceTreeManager().findURIFromDoc(baseDoc);
        } else {
            //Can not convert other type to a node-set!;
            arg2.iter();
        }
    } else {
        // If the second argument is omitted, then it defaults to 
        // the node in the stylesheet that contains the expression that 
        // includes the call to the document function. Note that a 
        // zero-length URI reference is a reference to the document 
        // relative to which the URI reference is being resolved; thus 
        // document("") refers to the root node of the stylesheet; 
        // the tree representation of the stylesheet is exactly 
        // the same as if the XML document containing the stylesheet 
        // was the initial source document.
        assertion(null != xctxt.getNamespaceContext(), "Namespace context can not be null!");
        base = xctxt.getNamespaceContext().getBaseIdentifier();
    }
    XNodeSet nodes = new XNodeSet(xctxt.getDTMManager());
    NodeSetDTM mnl = nodes.mutableNodeset();
    DTMIterator iterator = (XObject.CLASS_NODESET == arg.getType()) ? arg.iter() : null;
    int pos = DTM.NULL;
    while ((null == iterator) || (DTM.NULL != (pos = iterator.nextNode()))) {
        XMLString ref = (null != iterator) ? xctxt.getDTM(pos).getStringValue(pos) : arg.xstr();
        // member.
        if (null == arg1Expr && DTM.NULL != pos) {
            DTM baseDTM = xctxt.getDTM(pos);
            base = baseDTM.getDocumentBaseURI();
        }
        if (null == ref)
            continue;
        if (DTM.NULL == docContext) {
            //"context does not have an owner document!");
            error(xctxt, XSLTErrorResources.ER_NO_CONTEXT_OWNERDOC, null);
        }
        // From http://www.ics.uci.edu/pub/ietf/uri/rfc1630.txt
        // A partial form can be distinguished from an absolute form in that the
        // latter must have a colon and that colon must occur before any slash
        // characters. Systems not requiring partial forms should not use any
        // unencoded slashes in their naming schemes.  If they do, absolute URIs
        // will still work, but confusion may result.
        int indexOfColon = ref.indexOf(':');
        int indexOfSlash = ref.indexOf('/');
        if ((indexOfColon != -1) && (indexOfSlash != -1) && (indexOfColon < indexOfSlash)) {
            // The url (or filename, for that matter) is absolute.
            base = null;
        }
        int newDoc = getDoc(xctxt, context, ref.toString(), base);
        // nodes.mutableNodeset().addNode(newDoc);  
        if (DTM.NULL != newDoc) {
            // TODO: mnl.addNodeInDocOrder(newDoc, true, xctxt); ??
            if (!mnl.contains(newDoc)) {
                mnl.addElement(newDoc);
            }
        }
        if (null == iterator || newDoc == DTM.NULL)
            break;
    }
    return nodes;
}

Example 32 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 33 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 34 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 35 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);
    }
}