Examples with XMLString org.apache.xml.utils.XMLString used on opensource projects

Example 6 with XMLString

use of org.apache.xml.utils.XMLString in project robovm by robovm.

the class FunctionDef1Arg method getArg0AsNumber.

/**
   * Execute the first argument expression that is expected to return a
   * number.  If the argument is null, then get the number value from the
   * current context node.
   *
   * @param xctxt Runtime XPath context.
   *
   * @return The number value of the first argument, or the number value of the
   *         current context node if the first argument is null.
   *
   * @throws javax.xml.transform.TransformerException if an error occurs while
   *                                   executing the argument expression.
   */
protected double getArg0AsNumber(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    if (null == m_arg0) {
        int currentNode = xctxt.getCurrentNode();
        if (DTM.NULL == currentNode)
            return 0;
        else {
            DTM dtm = xctxt.getDTM(currentNode);
            XMLString str = dtm.getStringValue(currentNode);
            return str.toDouble();
        }
    } else
        return m_arg0.execute(xctxt).num();
}

Example 7 with XMLString

use of org.apache.xml.utils.XMLString in project robovm by robovm.

the class FuncSubstringAfter 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 {
    XMLString s1 = m_arg0.execute(xctxt).xstr();
    XMLString s2 = m_arg1.execute(xctxt).xstr();
    int index = s1.indexOf(s2);
    return (-1 == index) ? XString.EMPTYSTRING : (XString) s1.substring(index + s2.length());
}

Example 8 with XMLString

use of org.apache.xml.utils.XMLString 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);
}

Example 9 with XMLString

use of org.apache.xml.utils.XMLString in project robovm by robovm.

the class NotEqualComparator method compare.

/**
   * Tell if one object is less than the other.
   *
   * @param obj2 Object to compare this nodeset to
   * @param comparator Comparator to use
   *
   * @return See the comments below for each object type comparison 
   *
   * @throws javax.xml.transform.TransformerException
   */
public boolean compare(XObject obj2, Comparator comparator) throws javax.xml.transform.TransformerException {
    boolean result = false;
    int type = obj2.getType();
    if (XObject.CLASS_NODESET == type) {
        // %OPT% This should be XMLString based instead of string based...
        // From http://www.w3.org/TR/xpath: 
        // If both objects to be compared are node-sets, then the comparison 
        // will be true if and only if there is a node in the first node-set 
        // and a node in the second node-set such that the result of performing 
        // the comparison on the string-values of the two nodes is true.
        // Note this little gem from the draft:
        // NOTE: If $x is bound to a node-set, then $x="foo" 
        // does not mean the same as not($x!="foo"): the former 
        // is true if and only if some node in $x has the string-value 
        // foo; the latter is true if and only if all nodes in $x have 
        // the string-value foo.
        DTMIterator list1 = iterRaw();
        DTMIterator list2 = ((XNodeSet) obj2).iterRaw();
        int node1;
        java.util.Vector node2Strings = null;
        while (DTM.NULL != (node1 = list1.nextNode())) {
            XMLString s1 = getStringFromNode(node1);
            if (null == node2Strings) {
                int node2;
                while (DTM.NULL != (node2 = list2.nextNode())) {
                    XMLString s2 = getStringFromNode(node2);
                    if (comparator.compareStrings(s1, s2)) {
                        result = true;
                        break;
                    }
                    if (null == node2Strings)
                        node2Strings = new java.util.Vector();
                    node2Strings.addElement(s2);
                }
            } else {
                int n = node2Strings.size();
                for (int i = 0; i < n; i++) {
                    if (comparator.compareStrings(s1, (XMLString) node2Strings.elementAt(i))) {
                        result = true;
                        break;
                    }
                }
            }
        }
        list1.reset();
        list2.reset();
    } else if (XObject.CLASS_BOOLEAN == type) {
        // From http://www.w3.org/TR/xpath: 
        // If one object to be compared is a node-set and the other is a boolean, 
        // then the comparison will be true if and only if the result of 
        // performing the comparison on the boolean and on the result of 
        // converting the node-set to a boolean using the boolean function 
        // is true.
        double num1 = bool() ? 1.0 : 0.0;
        double num2 = obj2.num();
        result = comparator.compareNumbers(num1, num2);
    } else if (XObject.CLASS_NUMBER == type) {
        // From http://www.w3.org/TR/xpath: 
        // If one object to be compared is a node-set and the other is a number, 
        // then the comparison will be true if and only if there is a 
        // node in the node-set such that the result of performing the 
        // comparison on the number to be compared and on the result of 
        // converting the string-value of that node to a number using 
        // the number function is true. 
        DTMIterator list1 = iterRaw();
        double num2 = obj2.num();
        int node;
        while (DTM.NULL != (node = list1.nextNode())) {
            double num1 = getNumberFromNode(node);
            if (comparator.compareNumbers(num1, num2)) {
                result = true;
                break;
            }
        }
        list1.reset();
    } else if (XObject.CLASS_RTREEFRAG == type) {
        XMLString s2 = obj2.xstr();
        DTMIterator list1 = iterRaw();
        int node;
        while (DTM.NULL != (node = list1.nextNode())) {
            XMLString s1 = getStringFromNode(node);
            if (comparator.compareStrings(s1, s2)) {
                result = true;
                break;
            }
        }
        list1.reset();
    } else if (XObject.CLASS_STRING == type) {
        // From http://www.w3.org/TR/xpath: 
        // If one object to be compared is a node-set and the other is a 
        // string, then the comparison will be true if and only if there 
        // is a node in the node-set such that the result of performing 
        // the comparison on the string-value of the node and the other 
        // string is true. 
        XMLString s2 = obj2.xstr();
        DTMIterator list1 = iterRaw();
        int node;
        while (DTM.NULL != (node = list1.nextNode())) {
            XMLString s1 = getStringFromNode(node);
            if (comparator.compareStrings(s1, s2)) {
                result = true;
                break;
            }
        }
        list1.reset();
    } else {
        result = comparator.compareNumbers(this.num(), obj2.num());
    }
    return result;
}

Example 10 with XMLString

use of org.apache.xml.utils.XMLString in project nokogiri by sparklemotion.

the class DOM2DTMExt method getStringValue.

/**
     * Get the string-value of a node as a String object
     * (see http://www.w3.org/TR/xpath#data-model
     * for the definition of a node's string-value).
     *
     * @param nodeHandle The node ID.
     *
     * @return A string object that represents the string-value of the given node.
     */
public XMLString getStringValue(int nodeHandle) {
    int type = getNodeType(nodeHandle);
    Node node = getNode(nodeHandle);
    // directly.
    if (DTM.ELEMENT_NODE == type || DTM.DOCUMENT_NODE == type || DTM.DOCUMENT_FRAGMENT_NODE == type) {
        FastStringBuffer buf = StringBufferPool.get();
        String s;
        try {
            getNodeData(node, buf);
            s = (buf.length() > 0) ? buf.toString() : "";
        } finally {
            StringBufferPool.free(buf);
        }
        return m_xstrf.newstr(s);
    } else if (TEXT_NODE == type || CDATA_SECTION_NODE == type) {
        // If this is a DTM text node, it may be made of multiple DOM text
        // nodes -- including navigating into Entity References. DOM2DTM
        // records the first node in the sequence and requires that we
        // pick up the others when we retrieve the DTM node's value.
        //
        // %REVIEW% DOM Level 3 is expected to add a "whole text"
        // retrieval method which performs this function for us.
        FastStringBuffer buf = StringBufferPool.get();
        while (node != null) {
            buf.append(node.getNodeValue());
            node = logicalNextDOMTextNode(node);
        }
        String s = (buf.length() > 0) ? buf.toString() : "";
        StringBufferPool.free(buf);
        return m_xstrf.newstr(s);
    } else
        return m_xstrf.newstr(node.getNodeValue());
}