saximpl.java

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    	}
    	int eType = getIdForNamespace(s);
    	return ((Integer)_nsIndex.get(new Integer(eType))).intValue();        
    }
    
    

    /**
     * Returns the namespace type of a specific node
     */
    public int getNamespaceType(final int node)
    {
    	return super.getNamespaceType(node);
    }

    /**
     * Sets up a translet-to-dom type mapping table
     */
    private int[] setupMapping(String[] names, String[] uris, int[] types, int nNames) {
        // Padding with number of names, because they
        // may need to be added, i.e for RTFs. See copy03  
        final int[] result = new int[m_expandedNameTable.getSize()];
        for (int i = 0; i < nNames; i++)      {
            //int type = getGeneralizedType(namesArray[i]);
            int type = m_expandedNameTable.getExpandedTypeID(uris[i], names[i], types[i], false);
            result[type] = type;
        }
        return result;
    }

    /**
     * Returns the internal type associated with an expanded QName
     */
    public int getGeneralizedType(final String name) {
        return getGeneralizedType(name, true);
    }

    /**
     * Returns the internal type associated with an expanded QName
     */
    public int getGeneralizedType(final String name, boolean searchOnly) {
        String lName, ns = null;
        int index = -1;
        int code;

        // Is there a prefix?
        if ((index = name.lastIndexOf(":"))> -1) {
            ns = name.substring(0, index);
        }

        // Local part of name is after colon.  lastIndexOf returns -1 if
        // there is no colon, so lNameStartIdx will be zero in that case.
        int lNameStartIdx = index+1;

        // Distinguish attribute and element names.  Attribute has @ before
        // local part of name.
        if (name.charAt(lNameStartIdx) == '@') {
            code = DTM.ATTRIBUTE_NODE;
            lNameStartIdx++;
        }
        else {
            code = DTM.ELEMENT_NODE;
        }

        // Extract local name
        lName = (lNameStartIdx == 0) ? name : name.substring(lNameStartIdx);

        return m_expandedNameTable.getExpandedTypeID(ns, lName, code, searchOnly);
    }

    /**
     * Get mapping from DOM element/attribute types to external types
     */
    public short[] getMapping(String[] names, String[] uris, int[] types)
    {
        // Delegate the work to getMapping2 if the document is not fully built.
        // Some of the processing has to be different in this case.
        if (_namesSize < 0) {
            return getMapping2(names, uris, types);
        }

        int i;
        final int namesLength = names.length;
        final int exLength = m_expandedNameTable.getSize();
      
        final short[] result = new short[exLength];

        // primitive types map to themselves
        for (i = 0; i < DTM.NTYPES; i++) {
            result[i] = (short)i;
        }
        
        for (i = NTYPES; i < exLength; i++) { 
      	    result[i] = m_expandedNameTable.getType(i);
      	}
      	
        // actual mapping of caller requested names
        for (i = 0; i < namesLength; i++) {
            int genType = m_expandedNameTable.getExpandedTypeID(uris[i],
                                                                names[i],
                                                                types[i],
                                                                true);
            if (genType >= 0 && genType < exLength) {
                result[genType] = (short)(i + DTM.NTYPES);
            }
        }

        return result;
    }

    /**
     * Get mapping from external element/attribute types to DOM types
     */
    public int[] getReverseMapping(String[] names, String[] uris, int[] types)
    {
        int i;
        final int[] result = new int[names.length + DTM.NTYPES];
        
        // primitive types map to themselves
        for (i = 0; i < DTM.NTYPES; i++) {
            result[i] = i;
        }
        
        // caller's types map into appropriate dom types
        for (i = 0; i < names.length; i++) {
            int type = m_expandedNameTable.getExpandedTypeID(uris[i], names[i], types[i], true);
            result[i+DTM.NTYPES] = type;
        }
        return(result);
    }
    
    /**
     * Get mapping from DOM element/attribute types to external types.
     * This method is used when the document is not fully built.
     */
    private short[] getMapping2(String[] names, String[] uris, int[] types)
    {
        int i;
        final int namesLength = names.length;
        final int exLength = m_expandedNameTable.getSize();
        int[] generalizedTypes = null;
        if (namesLength > 0) {
            generalizedTypes = new int[namesLength];
        }

        int resultLength = exLength;

        for (i = 0; i < namesLength; i++) {
            // When the document is not fully built, the searchOnly
            // flag should be set to false. That means we should add
            // the type if it is not already in the expanded name table.
            //generalizedTypes[i] = getGeneralizedType(names[i], false);
            generalizedTypes[i] =
                m_expandedNameTable.getExpandedTypeID(uris[i],
                                                      names[i],
                                                      types[i],
                                                      false);
            if (_namesSize < 0 && generalizedTypes[i] >= resultLength) {
                resultLength = generalizedTypes[i] + 1;
            }
        }

        final short[] result = new short[resultLength];

        // primitive types map to themselves
        for (i = 0; i < DTM.NTYPES; i++) {
            result[i] = (short)i;
        }

        for (i = NTYPES; i < exLength; i++) {
            result[i] = m_expandedNameTable.getType(i);
        }

        // actual mapping of caller requested names
        for (i = 0; i < namesLength; i++) {
            int genType = generalizedTypes[i];
            if (genType >= 0 && genType < resultLength) {
                result[genType] = (short)(i + DTM.NTYPES);
            }
        }

        return(result);
    }
    /**
     * Get mapping from DOM namespace types to external namespace types
     */
    public short[] getNamespaceMapping(String[] namespaces)
    {
        int i;
        final int nsLength = namespaces.length;
        final int mappingLength = _uriCount;

        final short[] result = new short[mappingLength];

        // Initialize all entries to -1
        for (i=0; i<mappingLength; i++) {
            result[i] = (short)(-1);
        }

        for (i=0; i<nsLength; i++) {
            int eType = getIdForNamespace(namespaces[i]); 
            Integer type = (Integer)_nsIndex.get(new Integer(eType));
            if (type != null) {
                result[type.intValue()] = (short)i;
            }
        }

        return(result);
    }

    /**
     * Get mapping from external namespace types to DOM namespace types
     */
    public short[] getReverseNamespaceMapping(String[] namespaces)
    {
        int i;
        final int length = namespaces.length;
        final short[] result = new short[length];

        for (i = 0; i < length; i++) {
            int eType = getIdForNamespace(namespaces[i]);
            Integer type = (Integer)_nsIndex.get(new Integer(eType));
            result[i] = (type == null) ? -1 : type.shortValue();
        }

        return result;
    }

    /**
     * Construct a SAXImpl object using the default block size.
     */
    public SAXImpl(XSLTCDTMManager mgr, Source source,
                   int dtmIdentity, DTMWSFilter whiteSpaceFilter,
                   XMLStringFactory xstringfactory,
                   boolean doIndexing, boolean buildIdIndex)
    {
        this(mgr, source, dtmIdentity, whiteSpaceFilter, xstringfactory,
            doIndexing, DEFAULT_BLOCKSIZE, buildIdIndex, false);
    }
    
    /**
     * Construct a SAXImpl object using the given block size.
     */
    public SAXImpl(XSLTCDTMManager mgr, Source source,
                   int dtmIdentity, DTMWSFilter whiteSpaceFilter,
                   XMLStringFactory xstringfactory,
                   boolean doIndexing, int blocksize, 
                   boolean buildIdIndex,
                   boolean newNameTable)
    {
        super(mgr, source, dtmIdentity, whiteSpaceFilter, xstringfactory,
            doIndexing, blocksize, false, buildIdIndex, newNameTable);
      
        _dtmManager = mgr;      
        _size = blocksize;
      
        // Use a smaller size for the space stack if the blocksize is small
        _xmlSpaceStack = new int[blocksize <= 64 ? 4 : 64];
                                  
        /* From DOMBuilder */ 
        _xmlSpaceStack[0] = DTMDefaultBase.ROOTNODE;
      
        // If the input source is DOMSource, set the _document field and
        // create the node2Ids table.
        if (source instanceof DOMSource) {
            _hasDOMSource = true;
            DOMSource domsrc = (DOMSource)source;
            Node node = domsrc.getNode();
            if (node instanceof Document) {
                _document = (Document)node;
            }
            else {
                _document = node.getOwnerDocument();
            }
            _node2Ids = new Hashtable();
        }                          
    }
        
    /**
    * Migrate a DTM built with an old DTMManager to a new DTMManager.
    * After the migration, the new DTMManager will treat the DTM as
    * one that is built by itself.
    * This is used to support DTM sharing between multiple transformations.
    * @param manager the DTMManager
    */
    public void migrateTo(DTMManager manager) {
    	super.migrateTo(manager);
    	if (manager instanceof XSLTCDTMManager) {
    	    _dtmManager = (XSLTCDTMManager)manager;
    	}
    }
        
    /**
     * Return the node identity for a given id String
     * 
     * @param idString The id String
     * @return The identity of the node whose id is the given String.
     */
    public int getElementById(String idString)
    {
        Node node = _document.getElementById(idString);
        if (node != null) {
            Integer id = (Integer)_node2Ids.get(node);
            return (id != null) ? id.intValue() : DTM.NULL;
        }
        else {
            return DTM.NULL;
        }
    }
    
    /**
     * Return true if the input source is DOMSource.
     */
    public boolean hasDOMSource()
    {
        return _hasDOMSource;	
    }

    /*---------------------------------------------------------------------------*/
    /* DOMBuilder methods begin                                                  */
    /*---------------------------------------------------------------------------*/
    
    /**
     * Call this when an xml:space attribute is encountered to
     * define the whitespace strip/preserve settings.
     */
    private void xmlSpaceDefine(String val, final int node)
    {
        final boolean setting = val.equals(PRESERVE_STRING);
        if (setting != _preserve) {
            _xmlSpaceStack[_idx++] = node;
            _preserve = setting;
        }
    }

    /**
     * Call this from endElement() to revert strip/preserve setting
     * to whatever it was before the corresponding startElement().
     */
    private void xmlSpaceRevert(final int node)
    {
        if (node == _xmlSpaceStack[_idx - 1]) {
            _idx--;
            _preserve = !_preserve;
        }
    }

    /**
     * Find out whether or not to strip whitespace nodes.
     *
     *
     * @return whether or not to strip whitespace nodes.
     */
    protected boolean getShouldStripWhitespace()
    {
        return _preserve ? false : super.getShouldStripWhitespace();
    }

    /**
     * Creates a text-node and checks if it is a whitespace node.
     */
    private void handleTextEscaping() {
        if (_disableEscaping && _textNodeToProcess != DTM.NULL
            && _type(_textNodeToProcess) == DTM.TEXT_NODE) {
            if (_dontEscape == null) {
                _dontEscape = new BitArray(_size);
            }
          
            // Resize the _dontEscape BitArray if necessary.
            if (_textNodeToProcess >= _dontEscape.size()) {
                _dontEscape.resize(_dontEscape.size() * 2);
            }
          
            _dontEscape.setBit(_textNodeToProcess);
            _disableEscaping = false;
        }
        _textNodeToProcess = DTM.NULL;
    }


    /****************************************************************/
    /*               SAX Interface Starts Here                      */
    /****************************************************************/

    /**
     * SAX2: Receive notification of character data.
     */
    public void characters(char[] ch, int start, int length) throws SAXException
    {
        super.characters(ch, start, length);
        
        _disableEscaping = !_escaping;  
        _textNodeToProcess = getNumberOfNodes();
    }

    /**
     * SAX2: Receive notification of the beginning of a document.
     */
    public void startDocument() throws SAXException
    {
        super.startDocument();

        _nsIndex.put(new Integer(0), new Integer(_uriCount++));
        definePrefixAndUri(XML_PREFIX, XML_URI);
    }

    /**
     * SAX2: Receive notification of the end of a document.
     */
    public void endDocument() throws SAXException
    {
        super.endDocument();
        
        handleTextEscaping();
        _namesSize = m_expandedNameTable.getSize();
    }

    /**
     * Specialized interface used by DOM2SAX. This one has an extra Node
     * parameter to build the Node -> id map.
     */
    public void startElement(String uri, String localName,
                             String qname, Attributes attributes,
                             Node node)
        throws SAXException
    {
    	this.startElement(uri, localName, qname, attributes);
    	
    	if (m_buildIdIndex) {
    	    _node2Ids.put(node, new Integer(m_parents.peek()));
    	}
    }
    
    /**
     * SAX2: Receive notification of the beginning of an element.
     */
    public void startElement(String uri, String localName,
                 String qname, Attributes attributes)
        throws SAXException
    {
        super.startElement(uri, localName, qname, attributes);
        
        handleTextEscaping();

        if (m_wsfilter != null) {
            // Look for any xml:space attributes
            // Depending on the implementation of attributes, this
            // might be faster than looping through all attributes. ILENE
            final int index = attributes.getIndex(XMLSPACE_STRING);
            if (index >= 0) {
                xmlSpaceDefine(attributes.getValue(index), m_parents.peek());
            }
        }
    }

    /**
     * SAX2: Receive notification of the end of an element.
     */
    public void endElement(String namespaceURI, String localName, String qname)
        throws SAXException
    {
        super.endElement(namespaceURI, localName, qname);
        
        handleTextEscaping();

        // Revert to strip/preserve-space setting from before this element
        if (m_wsfilter != null) {
            xmlSpaceRevert(m_previous);
        }
    }

    /**
     * SAX2: Receive notification of a processing instruction.
     */