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Example 26 with XMLString

use of org.apache.xml.utils.XMLString in project j2objc by google.

the class XString method toDouble.

/**
   * Convert a string to a double -- Allowed input is in fixed
   * notation ddd.fff.
   *
   * @return A double value representation of the string, or return Double.NaN
   * if the string can not be converted.
   */
public double toDouble() {
    /* XMLCharacterRecognizer.isWhiteSpace(char c) methods treats the following 
     * characters as white space characters.
     * ht - horizontal tab, nl - newline , cr - carriage return and sp - space
     * trim() methods by default also takes care of these white space characters
     * So trim() method is used to remove leading and trailing white spaces.
     */
    XMLString s = trim();
    double result = Double.NaN;
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        if (c != '-' && c != '.' && (c < 0X30 || c > 0x39)) {
            // then return NaN because something is wrong.
            return result;
        }
    }
    try {
        result = Double.parseDouble(s.toString());
    } catch (NumberFormatException e) {
    }
    return result;
}
Also used : XMLString(org.apache.xml.utils.XMLString)

Example 27 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());
}
Also used : FastStringBuffer(org.apache.xml.utils.FastStringBuffer) Node(org.w3c.dom.Node) XMLString(org.apache.xml.utils.XMLString)

Example 28 with XMLString

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

the class KeyTable method getRefsTable.

/**
   * @return lazy initialized refs table associating evaluation of key function
   *         with a XNodeSet
   */
private Hashtable getRefsTable() {
    if (m_refsTable == null) {
        // initial capacity set to a prime number to improve hash performance
        m_refsTable = new Hashtable(89);
        KeyIterator ki = (KeyIterator) (m_keyNodes).getContainedIter();
        XPathContext xctxt = ki.getXPathContext();
        Vector keyDecls = getKeyDeclarations();
        int nKeyDecls = keyDecls.size();
        int currentNode;
        m_keyNodes.reset();
        while (DTM.NULL != (currentNode = m_keyNodes.nextNode())) {
            try {
                for (int keyDeclIdx = 0; keyDeclIdx < nKeyDecls; keyDeclIdx++) {
                    KeyDeclaration keyDeclaration = (KeyDeclaration) keyDecls.elementAt(keyDeclIdx);
                    XObject xuse = keyDeclaration.getUse().execute(xctxt, currentNode, ki.getPrefixResolver());
                    if (xuse.getType() != xuse.CLASS_NODESET) {
                        XMLString exprResult = xuse.xstr();
                        addValueInRefsTable(xctxt, exprResult, currentNode);
                    } else {
                        DTMIterator i = ((XNodeSet) xuse).iterRaw();
                        int currentNodeInUseClause;
                        while (DTM.NULL != (currentNodeInUseClause = i.nextNode())) {
                            DTM dtm = xctxt.getDTM(currentNodeInUseClause);
                            XMLString exprResult = dtm.getStringValue(currentNodeInUseClause);
                            addValueInRefsTable(xctxt, exprResult, currentNode);
                        }
                    }
                }
            } catch (TransformerException te) {
                throw new WrappedRuntimeException(te);
            }
        }
    }
    return m_refsTable;
}
Also used : Hashtable(java.util.Hashtable) DTMIterator(org.apache.xml.dtm.DTMIterator) XNodeSet(org.apache.xpath.objects.XNodeSet) KeyDeclaration(org.apache.xalan.templates.KeyDeclaration) XPathContext(org.apache.xpath.XPathContext) XMLString(org.apache.xml.utils.XMLString) DTM(org.apache.xml.dtm.DTM) Vector(java.util.Vector) XObject(org.apache.xpath.objects.XObject) TransformerException(javax.xml.transform.TransformerException) WrappedRuntimeException(org.apache.xml.utils.WrappedRuntimeException)

Example 29 with XMLString

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

the class FuncKey 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 {
    // TransformerImpl transformer = (TransformerImpl)xctxt;
    TransformerImpl transformer = (TransformerImpl) xctxt.getOwnerObject();
    XNodeSet nodes = null;
    int context = xctxt.getCurrentNode();
    DTM dtm = xctxt.getDTM(context);
    int docContext = dtm.getDocumentRoot(context);
    if (DTM.NULL == docContext) {
    // path.error(context, XPATHErrorResources.ER_CONTEXT_HAS_NO_OWNERDOC); //"context does not have an owner document!");
    }
    String xkeyname = getArg0().execute(xctxt).str();
    QName keyname = new QName(xkeyname, xctxt.getNamespaceContext());
    XObject arg = getArg1().execute(xctxt);
    boolean argIsNodeSetDTM = (XObject.CLASS_NODESET == arg.getType());
    KeyManager kmgr = transformer.getKeyManager();
    // Don't bother with nodeset logic if the thing is only one node.
    if (argIsNodeSetDTM) {
        XNodeSet ns = (XNodeSet) arg;
        ns.setShouldCacheNodes(true);
        int len = ns.getLength();
        if (len <= 1)
            argIsNodeSetDTM = false;
    }
    if (argIsNodeSetDTM) {
        Hashtable usedrefs = null;
        DTMIterator ni = arg.iter();
        int pos;
        UnionPathIterator upi = new UnionPathIterator();
        upi.exprSetParent(this);
        while (DTM.NULL != (pos = ni.nextNode())) {
            dtm = xctxt.getDTM(pos);
            XMLString ref = dtm.getStringValue(pos);
            if (null == ref)
                continue;
            if (null == usedrefs)
                usedrefs = new Hashtable();
            if (usedrefs.get(ref) != null) {
                // We already have 'em.
                continue;
            } else {
                // ISTRUE being used as a dummy value.
                usedrefs.put(ref, ISTRUE);
            }
            XNodeSet nl = kmgr.getNodeSetDTMByKey(xctxt, docContext, keyname, ref, xctxt.getNamespaceContext());
            nl.setRoot(xctxt.getCurrentNode(), xctxt);
            //        try
            //        {
            upi.addIterator(nl);
        //        }
        //        catch(CloneNotSupportedException cnse)
        //        {
        //          // will never happen.
        //        }
        //mnodeset.addNodesInDocOrder(nl, xctxt); needed??
        }
        int current = xctxt.getCurrentNode();
        upi.setRoot(current, xctxt);
        nodes = new XNodeSet(upi);
    } else {
        XMLString ref = arg.xstr();
        nodes = kmgr.getNodeSetDTMByKey(xctxt, docContext, keyname, ref, xctxt.getNamespaceContext());
        nodes.setRoot(xctxt.getCurrentNode(), xctxt);
    }
    return nodes;
}
Also used : TransformerImpl(org.apache.xalan.transformer.TransformerImpl) UnionPathIterator(org.apache.xpath.axes.UnionPathIterator) QName(org.apache.xml.utils.QName) Hashtable(java.util.Hashtable) XMLString(org.apache.xml.utils.XMLString) XNodeSet(org.apache.xpath.objects.XNodeSet) DTMIterator(org.apache.xml.dtm.DTMIterator) DTM(org.apache.xml.dtm.DTM) XMLString(org.apache.xml.utils.XMLString) KeyManager(org.apache.xalan.transformer.KeyManager) XObject(org.apache.xpath.objects.XObject)

Example 30 with XMLString

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

the class XString method toDouble.

/**
   * Convert a string to a double -- Allowed input is in fixed
   * notation ddd.fff.
   *
   * @return A double value representation of the string, or return Double.NaN
   * if the string can not be converted.
   */
public double toDouble() {
    /* XMLCharacterRecognizer.isWhiteSpace(char c) methods treats the following 
     * characters as white space characters.
     * ht - horizontal tab, nl - newline , cr - carriage return and sp - space
     * trim() methods by default also takes care of these white space characters
     * So trim() method is used to remove leading and trailing white spaces.
     */
    XMLString s = trim();
    double result = Double.NaN;
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        if (c != '-' && c != '.' && (c < 0X30 || c > 0x39)) {
            // then return NaN because something is wrong.
            return result;
        }
    }
    try {
        result = Double.parseDouble(s.toString());
    } catch (NumberFormatException e) {
    }
    return result;
}
Also used : XMLString(org.apache.xml.utils.XMLString)

Aggregations

XMLString (org.apache.xml.utils.XMLString)32 DTM (org.apache.xml.dtm.DTM)12 DTMIterator (org.apache.xml.dtm.DTMIterator)10 XNodeSet (org.apache.xpath.objects.XNodeSet)6 XObject (org.apache.xpath.objects.XObject)6 Node (org.w3c.dom.Node)6 Hashtable (java.util.Hashtable)4 TransformerException (javax.xml.transform.TransformerException)4 FastStringBuffer (org.apache.xml.utils.FastStringBuffer)3 Vector (java.util.Vector)2 KeyDeclaration (org.apache.xalan.templates.KeyDeclaration)2 KeyManager (org.apache.xalan.transformer.KeyManager)2 TransformerImpl (org.apache.xalan.transformer.TransformerImpl)2 NodeConsumer (org.apache.xml.utils.NodeConsumer)2 QName (org.apache.xml.utils.QName)2 WrappedRuntimeException (org.apache.xml.utils.WrappedRuntimeException)2 XMLStringFactory (org.apache.xml.utils.XMLStringFactory)2 Expression (org.apache.xpath.Expression)2 NodeSetDTM (org.apache.xpath.NodeSetDTM)2 XPathContext (org.apache.xpath.XPathContext)2