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

Example 16 with XMLString

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

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 17 with XMLString

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

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 18 with XMLString

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

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;
}

Example 19 with XMLString

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

the class ClonerToResultTree method cloneToResultTree.

//  /**
//   * Clone an element with or without children.
//   * TODO: Fix or figure out node clone failure!
//   * the error condition is severe enough to halt processing.
//   *
//   * @param node The node to clone
//   * @param shouldCloneAttributes Flag indicating whether to 
//   * clone children attributes
//   * 
//   * @throws TransformerException
//   */
//  public void cloneToResultTree(int node, boolean shouldCloneAttributes)
//    throws TransformerException
//  {
//
//    try
//    {
//      XPathContext xctxt = m_transformer.getXPathContext();
//      DTM dtm = xctxt.getDTM(node);
//
//      int type = dtm.getNodeType(node);
//      switch (type)
//      {
//      case DTM.TEXT_NODE :
//        dtm.dispatchCharactersEvents(node, m_rth, false);
//        break;
//      case DTM.DOCUMENT_FRAGMENT_NODE :
//      case DTM.DOCUMENT_NODE :
//
//        // Can't clone a document, but refrain from throwing an error
//        // so that copy-of will work
//        break;
//      case DTM.ELEMENT_NODE :
//        {
//          Attributes atts;
//
//          if (shouldCloneAttributes)
//          {
//            m_rth.addAttributes(node);
//            m_rth.processNSDecls(node, type, dtm);
//          }
//
//          String ns = dtm.getNamespaceURI(node);
//          String localName = dtm.getLocalName(node);
//
//          m_rth.startElement(ns, localName, dtm.getNodeNameX(node), null);
//        }
//        break;
//      case DTM.CDATA_SECTION_NODE :
//        m_rth.startCDATA();          
//        dtm.dispatchCharactersEvents(node, m_rth, false);
//        m_rth.endCDATA();
//        break;
//      case DTM.ATTRIBUTE_NODE :
//        m_rth.addAttribute(node);
//        break;
//      case DTM.COMMENT_NODE :
//        XMLString xstr = dtm.getStringValue (node);
//        xstr.dispatchAsComment(m_rth);
//        break;
//      case DTM.ENTITY_REFERENCE_NODE :
//        m_rth.entityReference(dtm.getNodeNameX(node));
//        break;
//      case DTM.PROCESSING_INSTRUCTION_NODE :
//        {
//          // %REVIEW% Is the node name the same as the "target"?
//          m_rth.processingInstruction(dtm.getNodeNameX(node), 
//                                      dtm.getNodeValue(node));
//        }
//        break;
//      default :
//        //"Can not create item in result tree: "+node.getNodeName());
//        m_transformer.getMsgMgr().error(null, 
//                         XSLTErrorResources.ER_CANT_CREATE_ITEM,
//                         new Object[]{ dtm.getNodeName(node) });  
//      }
//    }
//    catch(org.xml.sax.SAXException se)
//    {
//      throw new TransformerException(se);
//    }
//  }  // end cloneToResultTree function
/**
   * Clone an element with or without children.
   * TODO: Fix or figure out node clone failure!
   * the error condition is severe enough to halt processing.
   *
   * @param node The node to clone
   * @param shouldCloneAttributes Flag indicating whether to 
   * clone children attributes
   * 
   * @throws TransformerException
   */
public static void cloneToResultTree(int node, int nodeType, DTM dtm, SerializationHandler rth, boolean shouldCloneAttributes) throws TransformerException {
    try {
        switch(nodeType) {
            case DTM.TEXT_NODE:
                dtm.dispatchCharactersEvents(node, rth, false);
                break;
            case DTM.DOCUMENT_FRAGMENT_NODE:
            case DTM.DOCUMENT_NODE:
                // so that copy-of will work
                break;
            case DTM.ELEMENT_NODE:
                {
                    // Note: SAX apparently expects "no namespace" to be
                    // represented as "" rather than null.
                    String ns = dtm.getNamespaceURI(node);
                    if (ns == null)
                        ns = "";
                    String localName = dtm.getLocalName(node);
                    //  rth.startElement(ns, localName, dtm.getNodeNameX(node), null);
                    //  don't call a real SAX startElement (as commented out above),
                    //  call a SAX-like startElement, to be able to add attributes after this call
                    rth.startElement(ns, localName, dtm.getNodeNameX(node));
                    // xsl:attribute directive.)
                    if (shouldCloneAttributes) {
                        SerializerUtils.addAttributes(rth, node);
                        SerializerUtils.processNSDecls(rth, node, nodeType, dtm);
                    }
                }
                break;
            case DTM.CDATA_SECTION_NODE:
                rth.startCDATA();
                dtm.dispatchCharactersEvents(node, rth, false);
                rth.endCDATA();
                break;
            case DTM.ATTRIBUTE_NODE:
                SerializerUtils.addAttribute(rth, node);
                break;
            case DTM.NAMESPACE_NODE:
                // %REVIEW% Normally, these should have been handled with element.
                // It's possible that someone may write a stylesheet that tries to
                // clone them explicitly. If so, we need the equivalent of
                // rth.addAttribute().
                SerializerUtils.processNSDecls(rth, node, DTM.NAMESPACE_NODE, dtm);
                break;
            case DTM.COMMENT_NODE:
                XMLString xstr = dtm.getStringValue(node);
                xstr.dispatchAsComment(rth);
                break;
            case DTM.ENTITY_REFERENCE_NODE:
                rth.entityReference(dtm.getNodeNameX(node));
                break;
            case DTM.PROCESSING_INSTRUCTION_NODE:
                {
                    // %REVIEW% Is the node name the same as the "target"?
                    rth.processingInstruction(dtm.getNodeNameX(node), dtm.getNodeValue(node));
                }
                break;
            default:
                //"Can not create item in result tree: "+node.getNodeName());
                throw new TransformerException("Can't clone node: " + dtm.getNodeName(node));
        }
    } catch (org.xml.sax.SAXException se) {
        throw new TransformerException(se);
    }
}

Example 20 with XMLString

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

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;
}