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

Example 41 with DTM

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

the class FuncId method getNodesByID.

/**
   * Fill in a list with nodes that match a space delimited list if ID 
   * ID references.
   *
   * @param xctxt The runtime XPath context.
   * @param docContext The document where the nodes are being looked for.
   * @param refval A space delimited list of ID references.
   * @param usedrefs List of references for which nodes were found.
   * @param nodeSet Node set where the nodes will be added to.
   * @param mayBeMore true if there is another set of nodes to be looked for.
   *
   * @return The usedrefs value.
   */
private StringVector getNodesByID(XPathContext xctxt, int docContext, String refval, StringVector usedrefs, NodeSetDTM nodeSet, boolean mayBeMore) {
    if (null != refval) {
        String ref = null;
        //      DOMHelper dh = xctxt.getDOMHelper();
        StringTokenizer tokenizer = new StringTokenizer(refval);
        boolean hasMore = tokenizer.hasMoreTokens();
        DTM dtm = xctxt.getDTM(docContext);
        while (hasMore) {
            ref = tokenizer.nextToken();
            hasMore = tokenizer.hasMoreTokens();
            if ((null != usedrefs) && usedrefs.contains(ref)) {
                ref = null;
                continue;
            }
            int node = dtm.getElementById(ref);
            if (DTM.NULL != node)
                nodeSet.addNodeInDocOrder(node, xctxt);
            if ((null != ref) && (hasMore || mayBeMore)) {
                if (null == usedrefs)
                    usedrefs = new StringVector();
                usedrefs.addElement(ref);
            }
        }
    }
    return usedrefs;
}

Example 42 with DTM

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

the class FuncLang 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 {
    String lang = m_arg0.execute(xctxt).str();
    int parent = xctxt.getCurrentNode();
    boolean isLang = false;
    DTM dtm = xctxt.getDTM(parent);
    while (DTM.NULL != parent) {
        if (DTM.ELEMENT_NODE == dtm.getNodeType(parent)) {
            int langAttr = dtm.getAttributeNode(parent, "http://www.w3.org/XML/1998/namespace", "lang");
            if (DTM.NULL != langAttr) {
                String langVal = dtm.getNodeValue(langAttr);
                // %OPT%
                if (langVal.toLowerCase().startsWith(lang.toLowerCase())) {
                    int valLen = lang.length();
                    if ((langVal.length() == valLen) || (langVal.charAt(valLen) == '-')) {
                        isLang = true;
                    }
                }
                break;
            }
        }
        parent = dtm.getParent(parent);
    }
    return isLang ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}

Example 43 with DTM

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

the class FuncLocalPart 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);
    if (DTM.NULL == context)
        return XString.EMPTYSTRING;
    DTM dtm = xctxt.getDTM(context);
    String s = (context != DTM.NULL) ? dtm.getLocalName(context) : "";
    if (s.startsWith("#") || s.equals("xmlns"))
        return XString.EMPTYSTRING;
    return new XString(s);
}

Example 44 with DTM

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

the class FuncNamespace 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);
    String s;
    if (context != DTM.NULL) {
        DTM dtm = xctxt.getDTM(context);
        int t = dtm.getNodeType(context);
        if (t == DTM.ELEMENT_NODE) {
            s = dtm.getNamespaceURI(context);
        } else if (t == DTM.ATTRIBUTE_NODE) {
            // This function always returns an empty string for namespace nodes.
            // We check for those here.  Fix inspired by Davanum Srinivas.
            s = dtm.getNodeName(context);
            if (s.startsWith("xmlns:") || s.equals("xmlns"))
                return XString.EMPTYSTRING;
            s = dtm.getNamespaceURI(context);
        } else
            return XString.EMPTYSTRING;
    } else
        return XString.EMPTYSTRING;
    return ((null == s) ? XString.EMPTYSTRING : new XString(s));
}

Example 45 with DTM

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

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);
    }
}