IGXMLScanner.cpp

                    );
                }
            }

            attCount++;
            // And jump back to the top of the loop
            continue;
        }

        //  It was some special case character so do all of the checks and
        //  deal with it.
        if (!nextCh)
            ThrowXMLwithMemMgr(UnexpectedEOFException, XMLExcepts::Gen_UnexpectedEOF, fMemoryManager);

        if (nextCh == chForwardSlash)
        {
            fReaderMgr.getNextChar();
            isEmpty = true;
            if (!fReaderMgr.skippedChar(chCloseAngle))
                emitError(XMLErrs::UnterminatedStartTag, elemDecl->getFullName());
            break;
        }
        else if (nextCh == chCloseAngle)
        {
            fReaderMgr.getNextChar();
            break;
        }
        else if (nextCh == chOpenAngle)
        {
            //  Check for this one specially, since its going to be common
            //  and it is kind of auto-recovering since we've already hit the
            //  next open bracket, which is what we would have seeked to (and
            //  skipped this whole tag.)
            emitError(XMLErrs::UnterminatedStartTag, elemDecl->getFullName());
            break;
        }
        else if ((nextCh == chSingleQuote) || (nextCh == chDoubleQuote))
        {
            //  Check for this one specially, which is probably a missing
            //  attribute name, e.g. ="value". Just issue expected name
            //  error and eat the quoted string, then jump back to the
            //  top again.
            emitError(XMLErrs::ExpectedAttrName);
            fReaderMgr.getNextChar();
            fReaderMgr.skipQuotedString(nextCh);
            fReaderMgr.skipPastSpaces();
            continue;
        }
    }

    //  Ok, so lets get an enumerator for the attributes of this element
    //  and run through them for well formedness and validity checks. But
    //  make sure that we had any attributes before we do it, since the list
    //  would have have gotten faulted in anyway.
    if (elemDecl->hasAttDefs())
    {
        // N.B.:  this assumes DTD validation.
        XMLAttDefList& attDefList = elemDecl->getAttDefList();
        for(unsigned int i=0; i<attDefList.getAttDefCount(); i++)
        {
            // Get the current att def, for convenience and its def type
            const XMLAttDef& curDef = attDefList.getAttDef(i);
            const XMLAttDef::DefAttTypes defType = curDef.getDefaultType();

            unsigned int *attCountPtr = fAttDefRegistry->get(&curDef);
            if (!attCountPtr || *attCountPtr < fElemCount)
            { // did not occur
                if (fValidate)
                {
                    // If we are validating and its required, then an error
                    if (defType == XMLAttDef::Required)
                    {
                        fValidator->emitError
                        (
                            XMLValid::RequiredAttrNotProvided
                            , curDef.getFullName()
                        );
                    }
                    else if ((defType == XMLAttDef::Default) ||
		                       (defType == XMLAttDef::Fixed)  )
                    {
                        if (fStandalone && curDef.isExternal())
                        {
                            // XML 1.0 Section 2.9
                            // Document is standalone, so attributes must not be defaulted.
                            fValidator->emitError(XMLValid::NoDefAttForStandalone, curDef.getFullName(), elemDecl->getFullName());

                        }
                    }
                }

                // Fault in the value if needed, and bump the att count
                if ((defType == XMLAttDef::Default)
                ||  (defType == XMLAttDef::Fixed))
                {
                    // Let the validator pass judgement on the attribute value
                    if (fValidate)
                    {
                        fValidator->validateAttrValue
                        (
                            &curDef
                            , curDef.getValue()
                            , false
                            , elemDecl
                        );
                    }

                    XMLAttr* curAtt;
                    if (attCount >= curAttListSize)
                    {
                        curAtt = new (fMemoryManager) XMLAttr
                        (
                            -1
                            , curDef.getFullName()
                            , XMLUni::fgZeroLenString
                            , curDef.getValue()
                            , curDef.getType()
                            , false
                            , fMemoryManager
                        );
                        fAttrList->addElement(curAtt);
                        curAttListSize++;
                    }
                    else
                    {
                        curAtt = fAttrList->elementAt(attCount);
                        curAtt->set
                        (
                            -1
                            , curDef.getFullName()
                            , XMLUni::fgZeroLenString
                            , curDef.getValue()
                            , curDef.getType()
                        );
                        curAtt->setSpecified(false);
                    }
                    attCount++;
                }
            }
        }
    }

    //  If empty, validate content right now if we are validating and then
    //  pop the element stack top. Else, we have to update the current stack
    //  top's namespace mapping elements.
    if (isEmpty)
    {
        // If validating, then insure that its legal to have no content
        if (fValidate)
        {
            const int res = fValidator->checkContent(elemDecl, 0, 0);
            if (res >= 0)
            {
                fValidator->emitError
                (
                    XMLValid::ElementNotValidForContent
                    , elemDecl->getFullName()
                    , elemDecl->getFormattedContentModel()
                );
            }
        }

        // Pop the element stack back off since it'll never be used now
        fElemStack.popTop();

        // If the elem stack is empty, then it was an empty root
        if (isRoot)
            gotData = false;
        else {
            // Restore the validation flag
            fValidate = fElemStack.getValidationFlag();
        }
    }

    //  If we have a document handler, then tell it about this start tag. We
    //  don't have any URI id to send along, so send fEmptyNamespaceId. We also do not send
    //  any prefix since its just one big name if we are not doing namespaces.
    if (fDocHandler)
    {
        fDocHandler->startElement
        (
            *elemDecl
            , fEmptyNamespaceId
            , 0
            , *fAttrList
            , attCount
            , isEmpty
            , isRoot
        );
    }

    return true;
}


//  This method is called to scan a start tag when we are processing
//  namespaces. There are two different versions of this method, one for
//  namespace aware processing and one for non-namespace aware processing.
//
//  This method is called after we've scanned the < of a start tag. So we
//  have to get the element name, then scan the attributes, after which
//  we are either going to see >, />, or attributes followed by one of those
//  sequences.
bool IGXMLScanner::scanStartTagNS(bool& gotData)
{
    //  Assume we will still have data until proven otherwise. It will only
    //  ever be false if this is the root and its empty.
    gotData = true;

    // Reset element content buffer
    fContent.reset();

    //  The current position is after the open bracket, so we need to read in
    //  in the element name.
    if (!fReaderMgr.getName(fQNameBuf))
    {
        emitError(XMLErrs::ExpectedElementName);
        fReaderMgr.skipToChar(chOpenAngle);
        return false;
    }

    // See if its the root element
    const bool isRoot = fElemStack.isEmpty();

    // Skip any whitespace after the name
    fReaderMgr.skipPastSpaces();

    // clear the map used to detect duplicate attributes
    fUndeclaredAttrRegistry->removeAll();
    fUndeclaredAttrRegistryNS->removeAll();

    //  First we have to do the rawest attribute scan. We don't do any
    //  normalization of them at all, since we don't know yet what type they
    //  might be (since we need the element decl in order to do that.)
    bool isEmpty;
    unsigned int attCount = rawAttrScan
    (
        fQNameBuf.getRawBuffer()
        , *fRawAttrList
        , isEmpty
    );

    // save the contentleafname and currentscope before addlevel, for later use
    ContentLeafNameTypeVector* cv = 0;
    XMLContentModel* cm = 0;
    int currentScope = Grammar::TOP_LEVEL_SCOPE;
    bool laxThisOne = false;

    if (!isRoot && fGrammarType == Grammar::SchemaGrammarType)
    {
        // schema validator will have correct type if validating
        SchemaElementDecl* tempElement = (SchemaElementDecl*)
            fElemStack.topElement()->fThisElement;
        SchemaElementDecl::ModelTypes modelType = tempElement->getModelType();
        ComplexTypeInfo *currType = 0;

        if (fValidate)
        {
            currType = ((SchemaValidator*)fValidator)->getCurrentTypeInfo();
            if (currType)
                modelType = (SchemaElementDecl::ModelTypes)currType->getContentType();
            else // something must have gone wrong
                modelType = SchemaElementDecl::Any;
        }
        else
        {
            currType = tempElement->getComplexTypeInfo();
        }

        if ((modelType == SchemaElementDecl::Mixed_Simple)
          ||  (modelType == SchemaElementDecl::Mixed_Complex)
          ||  (modelType == SchemaElementDecl::Children))
        {
            cm = currType->getContentModel();
            cv = cm->getContentLeafNameTypeVector();
            currentScope = fElemStack.getCurrentScope();
        }
        else if (modelType == SchemaElementDecl::Any) {
            laxThisOne = true;
        }
    }

    //  Now, since we might have to update the namespace map for this element,
    //  but we don't have the element decl yet, we just tell the element stack
    //  to expand up to get ready.
    unsigned int elemDepth = fElemStack.addLevel();
    fElemStack.setValidationFlag(fValidate);

    //  Check if there is any external schema location specified, and if we are at root,
    //  go through them first before scanning those specified in the instance document
    if (isRoot
        && fDoSchema
        && (fExternalSchemaLocation || fExternalNoNamespaceSchemaLocation)) {

        if (fExternalSchemaLocation)
            parseSchemaLocation(fExternalSchemaLocation);
        if (fExternalNoNamespaceSchemaLocation)
            resolveSchemaGrammar(fExternalNoNamespaceSchemaLocation, XMLUni::fgZeroLenString);
    }

    //  Make an initial pass through the list and find any xmlns attributes or
    //  schema attributes.
    if (attCount)
      scanRawAttrListforNameSpaces(attCount);

    //  Also find any default or fixed xmlns attributes in DTD defined for
    //  this element.
    XMLElementDecl* elemDecl = 0;
    if (fGrammarType == Grammar::DTDGrammarType) {
        const XMLCh *rawQName = fQNameBuf.getRawBuffer();
        elemDecl = fGrammar->getElemDecl
        (
            fEmptyNamespaceId
            , 0
            , rawQName
            , Grammar::TOP_LEVEL_SCOPE
        );
        // may have not been declared:
        if(!elemDecl)
            elemDecl = fDTDElemNonDeclPool->getByKey(rawQName);
        if (elemDecl) {
            if (elemDecl->hasAttDefs()) {
                XMLAttDefList& attDefList = elemDecl->getAttDefList();
                for(unsigned int i=0; i<attDefList.getAttDefCount(); i++)
                {
                    // Get the current att def, for convenience and its def type
                    const XMLAttDef& curDef = attDefList.getAttDef(i);
                    const XMLAttDef::DefAttTypes defType = curDef.getDefaultType();

                    // update the NSMap if there are any default/fixed xmlns attributes
                    if ((defType == XMLAttDef::Default)
                    ||  (defType == XMLAttDef::Fixed))
                    {
                        const XMLCh* rawPtr = curDef.getFullName();
                        if (!XMLString::compareNString(rawPtr, XMLUni::fgXMLNSColonString, 6)
                        ||  XMLString::equals(rawPtr, XMLUni::fgXMLNSString))
                            updateNSMap(rawPtr, curDef.getValue());
                    }
                }
            }
        }
    }

    //  Resolve the qualified name to a URI and name so that we can look up
    //  the element decl for this element. We have now update the prefix to
    //  namespace map so we should get the correct element now.
    int prefixColonPos = -1;
    const XMLCh* qnameRawBuf = fQNameBuf.getRawBuffer();
    unsigned int uriId = resolveQName
    (
        qnameRawBuf
        , fPrefixBuf
        , ElemStack::Mode_Element
        , prefixColonPos
    );

    //if schema, check if we should lax or skip the validation of this element
    bool parentValidation = fValidate;
    if (cv) {
        QName element(fPrefixBuf.getRawBuffer(), &qnameRawBuf[prefixColonPos + 1], uriId, fMemoryManager);
        // elementDepth will be > 0, as cv is only constructed if element is not
        // root.
        laxThisOne = laxElementValidation(&element, cv, cm, elemDepth - 1);
    }

    //  Look up the element now in the grammar. This will get us back a
    //  generic element decl object. We tell him to fault one in if he does
    //  not find it.
    bool wasAdded = false;
    bool errorBeforeElementFound = false;
    bool laxBeforeElementFound = false;

    const XMLCh* nameRawBuf = &qnameRawBuf[prefixColonPos + 1];
    const XMLCh* original_uriStr = fGrammar->getTargetNamespace();
    unsigned orgGrammarUri = fURIStringPool->getId(original_uriStr);

    // REVISIT:  since all this code only really
    // makes sense for schemas, why can DTD validation theoretically pass 
    // through it?  - NG
    if (uriId != fEmptyNamespaceId) {

        // Check in current grammar before switching if necessary
        const XMLCh *rawQName = fQNameBuf.getRawBuffer();
        elemDecl = fGrammar->getElemDecl
        (
          uriId
          , nameRawBuf
          , rawQName
          , currentScope
        );
        // may have not been declared; must look everywhere:
        if (!elemDecl)
            if(fGrammarType == Grammar::DTDGrammarType) 
            {
                // should never occur in practice
                elemDecl = fDTDElemNonDeclPool->getByKey(rawQName);
            }
            else if (fGrammarType == Grammar::SchemaGrammarType) 
            {
                elemDecl = fSchemaElemNonDeclPool->getByKey(nameRawBuf, uriId, currentScope);
            }

        if (!elemDecl && (orgGrammarUri != uriId)) {
            // not found, switch to the specified grammar
            const XMLCh* uriStr = getURIText(uriId);
            bool errorCondition = !switchGrammar(uriStr) && fValidate;
            if (errorCondition && !laxThisOne)
            {
                fValidator->emitError
                (
                    XMLValid::GrammarNotFound
                    ,uriStr
                );
                errorBeforeElementFound = true;
            }
            else if(errorCondition)
                laxBeforeElementFound = true;

            elemDecl = fGrammar->getElemDecl
            (
              uriId
              , nameRawBuf
              , qnameRawBuf
              , currentScope
            );
        }

        if (!elemDecl && currentScope != Grammar::TOP_LEVEL_SCOPE) {
            // if not found, then it may be a reference, try TOP_LEVEL_SCOPE
            elemDecl = fGrammar->getElemDecl
                       (
                           uriId
                           , nameRawBuf
                           , qnameRawBuf
                           , Grammar::TOP_LEVEL_SCOPE
                       );

            if(!elemDecl) 
            {
                // look in the list of undeclared elements, as would have been done
                // before we made grammars stateless:
                elemDecl = fSchemaElemNonDeclPool->getByKey(nameRawBuf, uriId, Grammar::TOP_LEVEL_SCOPE);
            }
            if(!elemDecl) {
                // still not found in specified uri
                // try emptyNamesapce see if element should be un-qualified.
                elemDecl = fGrammar->getElemDecl
                           (
                               fEmptyNamespaceId
                               , nameRawBuf
                               , qnameRawBuf
                               , currentScope
                           );

                bool errorCondition = elemDecl && elemDecl->getCreateReason() != XMLElementDecl::JustFaultIn;
                if (errorCondition && fValidate) {
                    fValidator->emitError
                    (
                        XMLValid::ElementNotUnQualified
                        , elemDecl->getFullName()
                    );
                    errorBeforeElementFound = true;
                }
                else if(errorCondition)
                    laxBeforeElementFound = true;
            }
        }

        if (!elemDecl) {
            // still not found, fault this in and issue error later
            // switch back to original grammar first
            switchGrammar(original_uriStr);
            if(fGrammarType == Grammar::DTDGrammarType) 
            {
                elemDecl = new (fMemoryManager) DTDElementDecl
                (
                    qnameRawBuf
                    , uriId
                    , DTDElementDecl::Any
                    , fMemoryManager
                );
                elemDecl->setId(fDTDElemNonDeclPool->put((DTDElementDecl*)elemDecl));
            } else if (fGrammarType == Grammar::SchemaGrammarType) 
            {
                elemDecl = new (fMemoryManager) SchemaElementDecl
                (
                    fPrefixBuf.getRawBuffer()
                    , nameRawBuf
                    , uriId
                    , SchemaElementDecl::Any
                    , Grammar::TOP_LEVEL_SCOPE
                    , fMemoryManager
                );
                elemDecl->setId(fSchemaElemNonDeclPool->put((void*)elemDecl->getBaseName(), uriId, currentScope, (SchemaElementDecl*)elemDecl));
            }
            wasAdded = true;
        }
    }
    else if (!elemDecl)
    {
        //the element has no prefix,
        //thus it is either a non-qualified element defined in current targetNS
        //or an element that is defined in the globalNS

        //try unqualified first
        elemDecl = fGrammar->getElemDecl
                   (
                      uriId
                    , nameRawBuf
                    , qnameRawBuf
                    , currentScope
                    );

        // may have not been declared; must look everywhere:
        if(!elemDecl)
            if (fGrammarType == Grammar::DTDGrammarType) 
            {
                // should never happen in practice?
                elemDecl = fDTDElemNonDeclPool->getByKey(qnameRawBuf);
            }
            else if (fGrammarType == Grammar::SchemaGrammarType) 
            {
                // look in the list of undeclared elements, as would have been done
                // before we made grammars stateless:
                elemDecl = fSchemaElemNonDeclPool->getByKey(nameRawBuf, uriId, currentScope);
            }
        if (!elemDecl && orgGrammarUri != fEmptyNamespaceId) {
            //not found, switch grammar and try globalNS
            bool errorCondition = !switchGrammar(XMLUni::fgZeroLenString) && fValidate;
            if (errorCondition && !laxThisOne)
            {
                fValidator->emitError
                (
                    XMLValid::GrammarNotFound
                  , XMLUni::fgZeroLenString
                );
                errorBeforeElementFound = true;
            }
            else if(errorCondition)
                laxBeforeElementFound = true;

            elemDecl = fGrammar->getElemDecl
            (
              uriId
              , nameRawBuf
              , qnameRawBuf
              , currentScope
            );
        }

        if (!elemDecl && currentScope != Grammar::TOP_LEVEL_SCOPE) {
            // if not found, then it may be a reference, try TOP_LEVEL_SCOPE
            elemDecl = fGrammar->getElemDecl
                       (
                           uriId
                           , nameRawBuf
                           , qnameRawBuf
                           , Grammar::TOP_LEVEL_SCOPE
                       );
            if(!elemDecl)
            {
                // look in the list of undeclared elements, as would have been done
                // before we made grammars stateless:
                elemDecl = fSchemaElemNonDeclPool->getByKey(nameRawBuf, uriId, Grammar::TOP_LEVEL_SCOPE);
            }

            if (!elemDecl && orgGrammarUri != fEmptyNamespaceId) {
                // still Not found in specified uri
                // go to original Grammar again to see if element needs to be fully qualified.
                bool errorCondition = !switchGrammar(original_uriStr) && fValidate;
                if (errorCondition && !laxThisOne)
                {                    
                    fValidator->emitError
                    (
                        XMLValid::GrammarNotFound
                        ,original_uriStr
                    );
                    errorBeforeElementFound = true;
                }
                else if(errorCondition)
                    laxBeforeElementFound = true;

                elemDecl = fGrammar->getElemDecl
                           (
                               orgGrammarUri
                               , nameRawBuf
                               , qnameRawBuf
                               , currentScope
                           );
                if (elemDecl && elemDecl->getCreateReason() != XMLElementDecl::JustFaultIn && fValidate) {
                    fValidator->emitError
                    (
                        XMLValid::ElementNotQualified
                        , elemDecl->getFullName()
                    );
                    errorBeforeElementFound = true;
                }
            }
        }

        if (!elemDecl) {
            // still not found, fault this in and issue error later
            // switch back to original grammar first
            switchGrammar(original_uriStr);
            if(fGrammarType == Grammar::DTDGrammarType) 
            {
                elemDecl = new (fMemoryManager) DTDElementDecl
                (
                    qnameRawBuf
                    , uriId
                    , DTDElementDecl::Any
                    , fMemoryManager
                );
                elemDecl->setId(fDTDElemNonDeclPool->put((DTDElementDecl*)elemDecl));
            } else if (fGrammarType == Grammar::SchemaGrammarType) 
            {
                elemDecl = new (fMemoryManager) SchemaElementDecl
                (
                    fPrefixBuf.getRawBuffer()
                    , nameRawBuf
                    , uriId
                    , SchemaElementDecl::Any
                    , Grammar::TOP_LEVEL_SCOPE
                    , fMemoryManager
                );
                elemDecl->setId(fSchemaElemNonDeclPool->put((void*)elemDecl->getBaseName(), uriId, currentScope, (SchemaElementDecl*)elemDecl));
            }
            wasAdded = true;
        }
    }

    // this info needed for DOMTypeInfo
    fPSVIElemContext.fErrorOccurred = false;

    //  We do something different here according to whether we found the
    //  element or not.
    if (wasAdded)
    {
        if (laxThisOne) {
            fValidate = false;
            fElemStack.setValidationFlag(fValidate);
        }
        else if (fValidate)
        {
            // If validating then emit an error

            // This is to tell the reuse Validator that this element was
            // faulted-in, was not an element in the grammar pool originally
            elemDecl->setCreateReason(XMLElementDecl::JustFaultIn);

            fValidator->emitError
            (
                XMLValid::ElementNotDefined
                , elemDecl->getFullName()
            );

            if(fGrammarType == Grammar::SchemaGrammarType)
            {
                ((SchemaElementDecl *)(elemDecl))->setValidationAttempted(PSVIDefs::FULL);
                ((SchemaElementDecl *)(elemDecl))->setValidity(PSVIDefs::INVALID);\
                fPSVIElemContext.fErrorOccurred = true;
            }
        }
    }
    else
    {
        if(!laxBeforeElementFound && fGrammarType == Grammar::SchemaGrammarType) {
            if (fValidate) {
                ((SchemaElementDecl *)(elemDecl))->setValidationAttempted(PSVIDefs::FULL);
                ((SchemaElementDecl *)(elemDecl))->setValidity(PSVIDefs::VALID);
            }
        }

        // If its not marked declared and validating, then emit an error
        if (!elemDecl->isDeclared()) {
            if(elemDecl->getCreateReason() == XMLElementDecl::NoReason) {
                if(fGrammarType == Grammar::SchemaGrammarType) {
                    ((SchemaElementDecl *)(elemDecl))->setValidity(PSVIDefs::INVALID);
                    ((SchemaElementDecl *)(elemDecl))->setValidationAttempted(PSVIDefs::FULL);
                    fPSVIElemContext.fErrorOccurred = true;
                }
            }
            
            if (laxThisOne) {
                fValidate = false;
                fElemStack.setValidationFlag(fValidate);
            }
            else if (fValidate)
            {
                fValidator->emitError
                (
                    XMLValid::ElementNotDefined
                    , elemDecl->getFullName()
                );
            }
        }
       
        if (fGrammarType == Grammar::SchemaGrammarType) {
            ((SchemaElementDecl*)elemDecl)->setXsiComplexTypeInfo(0);
            ((SchemaElementDecl*)elemDecl)->setXsiSimpleTypeInfo(0);
        }
    }

    if(errorBeforeElementFound && fGrammarType == Grammar::SchemaGrammarType) {
        ((SchemaElementDecl *)(elemDecl))->setValidity(PSVIDefs::INVALID);
    }


    //  Now we can update the element stack to set the current element
    //  decl. We expanded the stack above, but couldn't store the element
    //  decl because we didn't know it yet.
    fElemStack.setElement(elemDecl, fReaderMgr.getCurrentReaderNum());
    fElemStack.setCurrentURI(uriId);

    if (isRoot)
    {
        fRootGrammar = fGrammar;
        if (fGrammarType == Grammar::SchemaGrammarType && !fRootElemName)
            fRootElemName = XMLString::replicate(qnameRawBuf, fMemoryManager);
    }

    if (fGrammarType == Grammar::SchemaGrammarType && fPSVIHandler)
    {

        fPSVIElemContext.fElemDepth++;
        if (elemDecl->isDeclared())
        {
            fPSVIElemContext.fNoneValidationDepth = fPSVIElemContext.fElemDepth;
        }
        else
        {
            fPSVIElemContext.fFullValidationDepth = fPSVIElemContext.fElemDepth;

            /******
             * While we report an error for historical reasons, this should
             * actually result in lax assessment - NG.
            if (isRoot && fValidate)
                fPSVIElemContext.fErrorOccurred = true;
            *****/
        }
    }

    //  Validate the element
    if (fValidate)
    {
        fValidator->validateElement(elemDecl);
        if (fValidator->handlesSchema())
        {
            if (((SchemaValidator*) fValidator)->getErrorOccurred())
                fPSVIElemContext.fErrorOccurred = true;
        }
    }

    if (fGrammarType == Grammar::SchemaGrammarType) {

        ComplexTypeInfo* typeinfo = (fValidate)
            ? ((SchemaValidator*)fValidator)->getCurrentTypeInfo()
            : ((SchemaElementDecl*) elemDecl)->getComplexTypeInfo();

        if (typeinfo) {
            currentScope = typeinfo->getScopeDefined();

            // switch grammar if the typeinfo has a different grammar (happens when there is xsi:type)
            XMLCh* typeName = typeinfo->getTypeName();
            const XMLCh poundStr[] = {chPound, chNull};
            if (!XMLString::startsWith(typeName, poundStr)) {
                const int comma = XMLString::indexOf(typeName, chComma);
                if (comma > 0) {
                    XMLBuffer prefixBuf(comma+1, fMemoryManager);
                    prefixBuf.append(typeName, comma);
                    const XMLCh* uriStr = prefixBuf.getRawBuffer();

                    bool errorCondition = !switchGrammar(uriStr) && fValidate;
                    if (errorCondition && !laxThisOne)
                    {
                        fValidator->emitError
                        (
                            XMLValid::GrammarNotFound
                            , prefixBuf.getRawBuffer()
                        );                        
                        ((SchemaElementDecl *)(elemDecl))->setValidity(PSVIDefs::INVALID);                                    
                    }
                    else if(errorCondition) {                        
                        ((SchemaElementDecl *)(elemDecl))->setValidationAttempted(PSVIDefs::NONE);
                        ((SchemaElementDecl *)(elemDecl))->setValidity(PSVIDefs::UNKNOWN);
                    }
                }
            }
        }
        fElemStack.setCurrentScope(currentScope);

        // Set element next state
        if (elemDepth >= fElemStateSize) {
            resizeElemState();
        }

        fElemState[elemDepth] = 0;
    }

    fElemStack.setCurrentGrammar(fGrammar);

    //  If this is the first element and we are validating, check the root
    //  element.
    if (isRoot)
    {
        if (fValidate)
        {
            //  If a DocType exists, then check if it matches the root name there.
            if (fRootElemName && !XMLString::equals(qnameRawBuf, fRootElemName))
                fValidator->emitError(XMLValid::RootElemNotLikeDocType);

            //  Some validators may also want to check the root, call the
            //  XMLValidator::checkRootElement
            if (fValidatorFromUser && !fValidator->checkRootElement(elemDecl->getId()))
                fValidator->emitError(XMLValid::RootElemNotLikeDocType);

            if(fGrammarType == Grammar::SchemaGrammarType)
            {
                ((SchemaElementDecl *)(elemDecl))->setValidity(PSVIDefs::INVALID);
            }
        }
    }
    else if (parentValidation)
    {
        //  If the element stack is not empty, then add this element as a
        //  child of the previous top element. If its empty, this is the root
        //  elem and is not the child of anything.
        fElemStack.addChild(elemDecl->getElementName(), true);
    }

    // PSVI handling:  even if it turns out there are
    // no attributes, we need to reset this list...
    if(getPSVIHandler() && fGrammarType == Grammar::SchemaGrammarType )
        fPSVIAttrList->reset();

    //  Now lets get the fAttrList filled in. This involves faulting in any
    //  defaulted and fixed attributes and normalizing the values of any that
    //  we got explicitly.
    //
    //  We update the attCount value with the total number of attributes, but
    //  it goes in with the number of values we got during the raw scan of
    //  explictly provided attrs above.
    attCount = buildAttList(*fRawAttrList, attCount, elemDecl, *fAttrList);

    // activate identity constraints
    if (fGrammar  && 
        fGrammarType == Grammar::SchemaGrammarType &&
        toCheckIdentityConstraint()) 
    {
        fICHandler->activateIdentityConstraint
                        (
                          (SchemaElementDecl*) elemDecl
                        , (int) elemDepth
                        , uriId
                        , fPrefixBuf.getRawBuffer()
                        , *fAttrList
                        , attCount
                        );
    }

    // Since the element may have default values, call start tag now regardless if it is empty or not
    // If we have a document handler, then tell it about this start tag
    if (fDocHandler)
    {
        fDocHandler->startElement
        (
            *elemDecl
            , uriId
            , fPrefixBuf.getRawBuffer()
            , *fAttrList
            , attCount
            , false
            , isRoot
        );
    }

    // if we have a PSVIHandler, now's the time to call
    // its handleAttributesPSVI method:
    if(fPSVIHandler && fGrammarType == Grammar::SchemaGrammarType)
    {
        QName *eName = elemDecl->getElementName();
        fPSVIHandler->handleAttributesPSVI
        (
            eName->getLocalPart()
            , fURIStringPool->getValueForId(eName->getURI())
            , fPSVIAttrList
        );
    }

    //  If empty, validate content right now if we are validating and then
    //  pop the element stack top. Else, we have to update the current stack
    //  top's namespace mapping elements.
    if (isEmpty)
    {
        // Pop the element stack back off since it'll never be used now
        fElemStack.popTop();

        // reset current type info
        DatatypeValidator* psviMemberType = 0;
        if (fGrammarType == Grammar::SchemaGrammarType)
        {
            if (fValidate && elemDecl->isDeclared())
            {
                fPSVIElemContext.fCurrentTypeInfo = ((SchemaValidator*) fValidator)->getCurrentTypeInfo();
                if(!fPSVIElemContext.fCurrentTypeInfo)
                    fPSVIElemContext.fCurrentDV = ((SchemaValidator*) fValidator)->getCurrentDatatypeValidator();
                else
                    fPSVIElemContext.fCurrentDV = 0;
                if(fPSVIHandler)
                {
                    fPSVIElemContext.fNormalizedValue = ((SchemaValidator*) fValidator)->getNormalizedValue();

                    if (XMLString::equals(fPSVIElemContext.fNormalizedValue, XMLUni::fgZeroLenString))
                        fPSVIElemContext.fNormalizedValue = 0;
                }
            }
            else
            {
                fPSVIElemContext.fCurrentDV = 0;
                fPSVIElemContext.fCurrentTypeInfo = 0;
                fPSVIElemContext.fNormalizedValue = 0;
            }
        }

        // If validating, then insure that its legal to have no content
        if (fValidate)
        {
            const int res = fValidator->checkContent(elemDecl, 0, 0);
            if (res >= 0)
            {
                fValidator->emitError
                (
                    XMLValid::ElementNotValidForContent
                    , elemDecl->getFullName()
                    , elemDecl->getFormattedContentModel()
                );
            }

            if (fGrammarType == Grammar::SchemaGrammarType) {

                if (((SchemaValidator*) fValidator)->getErrorOccurred())
                {
                    fPSVIElemContext.fErrorOccurred = true;
                    ((SchemaElementDecl *)(elemDecl))->setValidity(PSVIDefs::INVALID);
                }
                else 
                {
                    if (fPSVIHandler)
                    {
                        fPSVIElemContext.fIsSpecified = ((SchemaValidator*) fValidator)->getIsElemSpecified();
                        if(fPSVIElemContext.fIsSpecified)
                            fPSVIElemContext.fNormalizedValue = ((SchemaElementDecl *)elemDecl)->getDefaultValue();
                    }
                    // note that if we're empty, won't be a current DV
                    if (fPSVIElemContext.fCurrentDV && fPSVIElemContext.fCurrentDV->getType() == DatatypeValidator::Union)
                        psviMemberType = fValidationContext->getValidatingMemberType();
                }

                // call matchers and de-activate context
                if (toCheckIdentityConstraint())
                {
                    fICHandler->deactivateContext
                                   (
                                    (SchemaElementDecl *) elemDecl
                                  , fContent.getRawBuffer()
                                   );                
                }

            }
        }

        if (fGrammarType == Grammar::SchemaGrammarType)
        {
            if(!isRoot)
                ((SchemaElementDecl *)fElemStack.topElement()->fThisElement)->updateValidityFromElement(elemDecl, fGrammarType);

            if (fPSVIHandler)
            {
                endElementPSVI((SchemaElementDecl*)elemDecl, psviMemberType);
            }
        }

        // If we have a doc handler, tell it about the end tag
        if (fDocHandler)
        {
            fDocHandler->endElement
            (
                *elemDecl
                , uriId
                , isRoot
                , fPrefixBuf.getRawBuffer()
            );
            // pass information about type info:
            if(fGrammarType == Grammar::SchemaGrammarType)
            {
                const XMLCh *typeName = SchemaSymbols::fgATTVAL_ANYTYPE;
                const XMLCh *typeURI = SchemaSymbols::fgURI_SCHEMAFORSCHEMA; 
                if(!fPSVIElemContext.fErrorOccurred)
                {
                    if(fPSVIElemContext.fCurrentTypeInfo != 0)