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

Example 31 with XMLString

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

the class FuncSubstring 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();
    double start = m_arg1.execute(xctxt).num();
    int lenOfS1 = s1.length();
    XMLString substr;
    if (lenOfS1 <= 0)
        return XString.EMPTYSTRING;
    else {
        int startIndex;
        if (Double.isNaN(start)) {
            // Double.MIN_VALUE doesn't work with math below 
            // so just use a big number and hope I never get caught.
            start = -1000000;
            startIndex = 0;
        } else {
            start = Math.round(start);
            startIndex = (start > 0) ? (int) start - 1 : 0;
        }
        if (null != m_arg2) {
            double len = m_arg2.num(xctxt);
            int end = (int) (Math.round(len) + start) - 1;
            // Normalize end index.
            if (end < 0)
                end = 0;
            else if (end > lenOfS1)
                end = lenOfS1;
            if (startIndex > lenOfS1)
                startIndex = lenOfS1;
            substr = s1.substring(startIndex, end);
        } else {
            if (startIndex > lenOfS1)
                startIndex = lenOfS1;
            substr = s1.substring(startIndex);
        }
    }
    // cast semi-safe
    return (XString) substr;
}

Example 32 with XMLString

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

the class DOM2DTM 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());
}