domnormalizer.java

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        int type = node.getNodeType();
        boolean wellformed;
        fLocator.fRelatedNode=node;
        
        switch (type) {
        case Node.DOCUMENT_TYPE_NODE: {
                if (DEBUG_ND) {
                    System.out.println("==>normalizeNode:{doctype}");
                }
                DocumentTypeImpl docType = (DocumentTypeImpl)node;
                fDTDValidator = (XMLDTDValidator)CoreDOMImplementationImpl.singleton.getValidator(XMLGrammarDescription.XML_DTD);
                fDTDValidator.setDocumentHandler(this);
                fConfiguration.setProperty(Constants.XERCES_PROPERTY_PREFIX + Constants.XMLGRAMMAR_POOL_PROPERTY, createGrammarPool(docType));
                fDTDValidator.reset(fConfiguration);
                fDTDValidator.startDocument(
                        new SimpleLocator(fDocument.fDocumentURI, fDocument.fDocumentURI,
                            -1, -1 ), fDocument.encoding, fNamespaceContext, null);
                fDTDValidator.doctypeDecl(docType.getName(), docType.getPublicId(), docType.getSystemId(), null);
                //REVISIT: well-formness encoding info
                break;
            }

        case Node.ELEMENT_NODE: {  
                if (DEBUG_ND) {
                    System.out.println("==>normalizeNode:{element} "+node.getNodeName());
                }
                
                //do the name check only when version of the document was changed &
                //application has set the value of well-formed features to true
                if (fDocument.errorChecking) {
                    if ( ((fConfiguration.features & DOMConfigurationImpl.WELLFORMED) != 0) && 
                            fDocument.isXMLVersionChanged()){
                        if (fNamespaceValidation){
                            wellformed = CoreDocumentImpl.isValidQName(node.getPrefix() , node.getLocalName(), fDocument.isXML11Version()) ;
                        }
                        else {
                            wellformed = CoreDocumentImpl.isXMLName(node.getNodeName() , fDocument.isXML11Version());
                        }
                        if (!wellformed){
                            String msg = DOMMessageFormatter.formatMessage(
                                    DOMMessageFormatter.DOM_DOMAIN, 
                                    "wf-invalid-character-in-node-name", 
                                    new Object[]{"Element", node.getNodeName()});
                            reportDOMError(fErrorHandler, fError, fLocator, msg, DOMError.SEVERITY_ERROR, 
                            "wf-invalid-character-in-node-name");                       
                        }
                    }
                }
                // push namespace context
                fNamespaceContext.pushContext();
                fLocalNSBinder.reset();

                ElementImpl elem = (ElementImpl)node;
                if (elem.needsSyncChildren()) {
                    elem.synchronizeChildren();
                }
                AttributeMap attributes = (elem.hasAttributes()) ? (AttributeMap) elem.getAttributes() : null; 

                // fix namespaces and remove default attributes
                if ((fConfiguration.features & DOMConfigurationImpl.NAMESPACES) !=0) {
                    // fix namespaces
                    // normalize attribute values
                    // remove default attributes
                    namespaceFixUp(elem, attributes);
                    
                    if ((fConfiguration.features & DOMConfigurationImpl.NSDECL) == 0 && attributes != null ) {
                        for (int i = 0; i < attributes.getLength(); ++i) {
                            Attr att = (Attr)attributes.getItem(i);
                            if (XMLSymbols.PREFIX_XMLNS.equals(att.getPrefix()) ||
                                XMLSymbols.PREFIX_XMLNS.equals(att.getName())) {
                                elem.removeAttributeNode(att);
                                --i;
                            }
                        }
                    }  
                    
                } else {
                    if ( attributes!=null ) {
                        for ( int i=0; i<attributes.getLength(); ++i ) {
                            Attr attr = (Attr)attributes.item(i);
                            //removeDefault(attr, attributes);
                            attr.normalize();
                            if (fDocument.errorChecking && ((fConfiguration.features & DOMConfigurationImpl.WELLFORMED) != 0)){
                                    isAttrValueWF(fErrorHandler, fError, fLocator, attributes, (AttrImpl)attr, attr.getValue(), fDocument.isXML11Version());
                                if (fDocument.isXMLVersionChanged()){                                   
                                    wellformed=CoreDocumentImpl.isXMLName(node.getNodeName() , fDocument.isXML11Version());
                                    if (!wellformed){
				                            String msg = DOMMessageFormatter.formatMessage(
				                              DOMMessageFormatter.DOM_DOMAIN, 
				                              "wf-invalid-character-in-node-name", 
				                               new Object[]{"Attr",node.getNodeName()});
				                            reportDOMError(fErrorHandler, fError, fLocator, msg, DOMError.SEVERITY_ERROR, 
				                                "wf-invalid-character-in-node-name");
                                    }
                                }           
                            }
                        }                                                        
                    }
                }
                
                
                if (fValidationHandler != null) {
                    // REVISIT: possible solutions to discard default content are:
                    //         either we pass some flag to XML Schema validator
                    //         or rely on the PSVI information.
                    fAttrProxy.setAttributes(attributes, fDocument, elem);
                    updateQName(elem, fQName); // updates global qname
                    // set error node in the dom error wrapper
                    // so if error occurs we can report an error node
                    fConfiguration.fErrorHandlerWrapper.fCurrentNode = node;
                    fCurrentNode = node;
                    // call re-validation handler
                    fValidationHandler.startElement(fQName, fAttrProxy, null);
                }
                
                if (fDTDValidator != null) {
                    // REVISIT: possible solutions to discard default content are:
                    //         either we pass some flag to XML Schema validator
                    //         or rely on the PSVI information.
                    fAttrProxy.setAttributes(attributes, fDocument, elem);
                    updateQName(elem, fQName); // updates global qname
                    // set error node in the dom error wrapper
                    // so if error occurs we can report an error node
                    fConfiguration.fErrorHandlerWrapper.fCurrentNode = node;
                    fCurrentNode = node;
                    // call re-validation handler
                    fDTDValidator.startElement(fQName, fAttrProxy, null);
                }

                // normalize children
                Node kid, next;
                for (kid = elem.getFirstChild(); kid != null; kid = next) {
                    next = kid.getNextSibling();
                    kid = normalizeNode(kid);
                    if (kid !=null) {
                        next = kid;  // don't advance
                    }
                } 
                if (DEBUG_ND) {
                    // normalized subtree
                    System.out.println("***The children of {"+node.getNodeName()+"} are normalized");
                    for (kid = elem.getFirstChild(); kid != null; kid = next) {
                        next = kid.getNextSibling();
                        System.out.println(kid.getNodeName() +"["+kid.getNodeValue()+"]");
                    }

                }


                if (fValidationHandler != null) {
                    updateQName(elem, fQName); // updates global qname
                    //
                    // set error node in the dom error wrapper
                    // so if error occurs we can report an error node
                    fConfiguration.fErrorHandlerWrapper.fCurrentNode = node;
                    fCurrentNode = node;
                    fValidationHandler.endElement(fQName, null);
                }
                
                if (fDTDValidator != null) {
                    updateQName(elem, fQName); // updates global qname
                    //
                    // set error node in the dom error wrapper
                    // so if error occurs we can report an error node
                    fConfiguration.fErrorHandlerWrapper.fCurrentNode = node;
                    fCurrentNode = node;
                    fDTDValidator.endElement(fQName, null);
                }

                // pop namespace context
                fNamespaceContext.popContext();

                break;
            }

        case Node.COMMENT_NODE: {  
                if (DEBUG_ND) {
                    System.out.println("==>normalizeNode:{comments}");
                }

                if ((fConfiguration.features & DOMConfigurationImpl.COMMENTS) == 0) {
                    Node prevSibling = node.getPreviousSibling();
                    Node parent = node.getParentNode();
                    // remove the comment node
                    parent.removeChild(node);
                    if (prevSibling != null && prevSibling.getNodeType() == Node.TEXT_NODE) {
                        Node nextSibling = prevSibling.getNextSibling();
                        if (nextSibling != null && nextSibling.getNodeType() == Node.TEXT_NODE) {
                            ((TextImpl)nextSibling).insertData(0, prevSibling.getNodeValue());
                            parent.removeChild(prevSibling);
                            return nextSibling;
                        }
                    }
                }//if comment node need not be removed
                else {
                    if (fDocument.errorChecking && ((fConfiguration.features & DOMConfigurationImpl.WELLFORMED) != 0)){
                        String commentdata = ((Comment)node).getData();
                        // check comments for invalid xml chracter as per the version
                        // of the document                            
                        isCommentWF(fErrorHandler, fError, fLocator, commentdata, fDocument.isXML11Version());                        
                    }
                }//end-else if comment node is not to be removed.
				break;
            }
        case Node.ENTITY_REFERENCE_NODE: { 
                if (DEBUG_ND) {
                    System.out.println("==>normalizeNode:{entityRef} "+node.getNodeName());
                }

                if ((fConfiguration.features & DOMConfigurationImpl.ENTITIES) == 0) {
                    Node prevSibling = node.getPreviousSibling();
                    Node parent = node.getParentNode();
                    ((EntityReferenceImpl)node).setReadOnly(false, true);
                    expandEntityRef (parent, node);
                    parent.removeChild(node);
                    Node next = (prevSibling != null)?prevSibling.getNextSibling():parent.getFirstChild();
                    // The list of children #text -> &ent;
                    // and entity has a first child as a text
                    // we should not advance
                    if (prevSibling != null && next != null && prevSibling.getNodeType() == Node.TEXT_NODE && 
                        next.getNodeType() == Node.TEXT_NODE) {
                        return prevSibling;  // Don't advance                          
                    }
                    return next;
                } else {
                    if (fDocument.errorChecking && ((fConfiguration.features & DOMConfigurationImpl.WELLFORMED) != 0) && 
                        fDocument.isXMLVersionChanged()){
                            CoreDocumentImpl.isXMLName(node.getNodeName() , fDocument.isXML11Version());                    
                    }
                    // REVISIT: traverse entity reference and send appropriate calls to the validator
                    // (no normalization should be performed for the children).
                }
                break;
            }

        case Node.CDATA_SECTION_NODE: {
                if (DEBUG_ND) {
                    System.out.println("==>normalizeNode:{cdata}");
                }
                
                if ((fConfiguration.features & DOMConfigurationImpl.CDATA) == 0) {
                    // convert CDATA to TEXT nodes
                    Node prevSibling = node.getPreviousSibling();
                    if (prevSibling != null && prevSibling.getNodeType() == Node.TEXT_NODE){
                        ((Text)prevSibling).appendData(node.getNodeValue());
                        node.getParentNode().removeChild(node);
                        return prevSibling; //don't advance                        
                    }
                    else {
                        Text text = fDocument.createTextNode(node.getNodeValue());
                        Node parent = node.getParentNode();
                        node = parent.replaceChild(text, node);
                        return text;  //don't advance
                        
                    }
                }

                // send characters call for CDATA
                if (fValidationHandler != null) {
                    // set error node in the dom error wrapper
                    // so if error occurs we can report an error node
                    fConfiguration.fErrorHandlerWrapper.fCurrentNode = node;
                    fCurrentNode = node;
                    fValidationHandler.startCDATA(null);
                    fValidationHandler.characterData(node.getNodeValue(), null);
                    fValidationHandler.endCDATA(null);
                }