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

Example 16 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 17 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 18 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 19 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);
    }
}

Example 20 with DTM

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

the class FuncSum 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 {
    DTMIterator nodes = m_arg0.asIterator(xctxt, xctxt.getCurrentNode());
    double sum = 0.0;
    int pos;
    while (DTM.NULL != (pos = nodes.nextNode())) {
        DTM dtm = nodes.getDTM(pos);
        XMLString s = dtm.getStringValue(pos);
        if (null != s)
            sum += s.toDouble();
    }
    nodes.detach();
    return new XNumber(sum);
}