xsdsimpletypetraverser.java

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                    annotations = new XSAnnotationImpl [] {annotation};
                }
                else {
                    XSAnnotationImpl [] tempArray = new XSAnnotationImpl[2];
                    tempArray[0] = annotations[0];
                    annotations = tempArray;
                    annotations[1] = annotation;
                }
            }
        }
        // get base type from "base" attribute
        XSSimpleType baseValidator = null;
        if ((restriction || list) && baseTypeName != null) {
            baseValidator = findDTValidator(child, name, baseTypeName, refType, schemaDoc);
            // if its the built-in type, return null from here
            if (baseValidator == null && fIsBuiltIn) {
                fIsBuiltIn = false;
                return null;
            }
        }
        // get types from "memberTypes" attribute
        Vector dTValidators = null;
        XSSimpleType dv = null;
        XSObjectList dvs;
        if (union && memberTypes != null && memberTypes.size() > 0) {
            int size = memberTypes.size();
            dTValidators = new Vector(size, 2);
            // for each qname in the list
            for (int i = 0; i < size; i++) {
                // get the type decl
                dv = findDTValidator(child, name, (QName)memberTypes.elementAt(i),
                        XSConstants.DERIVATION_UNION, schemaDoc);
                if (dv != null) {
                    // if it's a union, expand it
                    if (dv.getVariety() == XSSimpleType.VARIETY_UNION) {
                        dvs = dv.getMemberTypes();
                        for (int j = 0; j < dvs.getLength(); j++)
                            dTValidators.addElement(dvs.item(j));
                    } else {
                        dTValidators.addElement(dv);
                    }
                }
            }
        }
        // when there is an error finding the base type of a restriction
        // we use anySimpleType as the base, then we should skip the facets,
        // because anySimpleType doesn't recognize any facet.
        boolean skipFacets = false;
        // check if there is a child "simpleType"
        if (content != null && DOMUtil.getLocalName(content).equals(SchemaSymbols.ELT_SIMPLETYPE)) {
            if (restriction || list) {
                // it's an error for both "base" and "simpleType" to appear
                if (baseTypeName != null) {
                    reportSchemaError(list ? "src-simple-type.3.a" : "src-simple-type.2.a", null, content);
                }
                else {
                    // traver this child to get the base type
                    baseValidator = traverseLocal(content, schemaDoc, grammar);
                }
                // get the next element
                content = DOMUtil.getNextSiblingElement(content);
            }
            else if (union) {
                if (dTValidators == null) {
                    dTValidators = new Vector(2, 2);
                }
                do {
                    // traver this child to get the member type
                    dv = traverseLocal(content, schemaDoc, grammar);
                    if (dv != null) {
                        // if it's a union, expand it
                        if (dv.getVariety() == XSSimpleType.VARIETY_UNION) {
                            dvs = dv.getMemberTypes();
                            for (int j = 0; j < dvs.getLength(); j++)
                                dTValidators.addElement(dvs.item(j));
                        } else {
                            dTValidators.addElement(dv);
                        }
                    }
                    // get the next element
                    content = DOMUtil.getNextSiblingElement(content);
                } while (content != null && DOMUtil.getLocalName(content).equals(SchemaSymbols.ELT_SIMPLETYPE));
            }
        }
        else if ((restriction || list) && baseTypeName == null) {
            // it's an error if neither "base" nor "simpleType" appears
            reportSchemaError(list ? "src-simple-type.3.b" : "src-simple-type.2.b", null, child);
            // base can't be found, skip the facets.
            skipFacets = true;
            baseValidator = SchemaGrammar.fAnySimpleType;
        }
        else if (union && (memberTypes == null || memberTypes.size() == 0)) {
            // it's an error if "memberTypes" is empty and no "simpleType" appears
            reportSchemaError("src-union-memberTypes-or-simpleTypes", null, child);
            dTValidators = new Vector(1);
            dTValidators.addElement(SchemaGrammar.fAnySimpleType);
        }
        // error finding "base" or error traversing "simpleType".
        // don't need to report an error, since some error has been reported.
        if ((restriction || list) && baseValidator == null) {
            baseValidator = SchemaGrammar.fAnySimpleType;
        }
        // error finding "memberTypes" or error traversing "simpleType".
        // don't need to report an error, since some error has been reported.
        if (union && (dTValidators == null || dTValidators.size() == 0)) {
            dTValidators = new Vector(1);
            dTValidators.addElement(SchemaGrammar.fAnySimpleType);
        }
        // item type of list types can't have list content
        if (list && isListDatatype(baseValidator)) {
            reportSchemaError("cos-st-restricts.2.1", new Object[]{name, baseValidator.getName()}, child);
        }
        // create the simple type based on the "base" type
        XSSimpleType newDecl = null;
        if (restriction) {
            newDecl = schemaFactory.createTypeRestriction(name, schemaDoc.fTargetNamespace, (short)finalProperty, baseValidator, 
                    annotations == null? null : new XSObjectListImpl(annotations, annotations.length));
        }
        else if (list) {
            newDecl = schemaFactory.createTypeList(name, schemaDoc.fTargetNamespace, (short)finalProperty, baseValidator,
                    annotations == null? null : new XSObjectListImpl(annotations, annotations.length));
        }
        else if (union) {
            XSSimpleType[] memberDecls = new XSSimpleType[dTValidators.size()];
            for (int i = 0; i < dTValidators.size(); i++)
                memberDecls[i] = (XSSimpleType)dTValidators.elementAt(i);
            newDecl = schemaFactory.createTypeUnion(name, schemaDoc.fTargetNamespace, (short)finalProperty, memberDecls,
                    annotations == null? null : new XSObjectListImpl(annotations, annotations.length));
        }
        // now traverse facets, if it's derived by restriction
        if (restriction && content != null) {
            FacetInfo fi = traverseFacets(content, baseValidator, schemaDoc);
            content = fi.nodeAfterFacets;
            
            if (!skipFacets) {
                try {
                    fValidationState.setNamespaceSupport(schemaDoc.fNamespaceSupport);
                    newDecl.applyFacets(fi.facetdata, fi.fPresentFacets, fi.fFixedFacets, fValidationState);
                } catch (InvalidDatatypeFacetException ex) {
                    reportSchemaError(ex.getKey(), ex.getArgs(), child);
                }
            }
        }
        // now element should appear after this point
        if (content != null) {
            if (restriction) {
                reportSchemaError("s4s-elt-must-match.1", new Object[]{SchemaSymbols.ELT_RESTRICTION, "(annotation?, (simpleType?, (minExclusive | minInclusive | maxExclusive | maxInclusive | totalDigits | fractionDigits | length | minLength | maxLength | enumeration | whiteSpace | pattern)*))", DOMUtil.getLocalName(content)}, content);
            }
            else if (list) {
                reportSchemaError("s4s-elt-must-match.1", new Object[]{SchemaSymbols.ELT_LIST, "(annotation?, (simpleType?))", DOMUtil.getLocalName(content)}, content);
            }
            else if (union) {
                reportSchemaError("s4s-elt-must-match.1", new Object[]{SchemaSymbols.ELT_UNION, "(annotation?, (simpleType*))", DOMUtil.getLocalName(content)}, content);
            }
        }
        fAttrChecker.returnAttrArray(contentAttrs, schemaDoc);
        // return the new type
        return newDecl;
    }
    
    //@param: elm - top element
    //@param: baseTypeStr - type (base/itemType/memberTypes)
    //@param: baseRefContext:  whether the caller is using this type as a base for restriction, union or list
    //return XSSimpleType available for the baseTypeStr, null if not found or disallowed.
    // also throws an error if the base type won't allow itself to be used in this context.
    // REVISIT: can this code be re-used?
    private XSSimpleType findDTValidator(Element elm, String refName,
            QName baseTypeStr, short baseRefContext,
            XSDocumentInfo schemaDoc) {
        if (baseTypeStr == null)
            return null;
        
        XSTypeDefinition baseType = (XSTypeDefinition)fSchemaHandler.getGlobalDecl(schemaDoc, XSDHandler.TYPEDECL_TYPE, baseTypeStr, elm);
        if (baseType != null) {
            // if it's a complex type, or if its restriction of anySimpleType
            if (baseType.getTypeCategory() != XSTypeDefinition.SIMPLE_TYPE ||
                    baseType == SchemaGrammar.fAnySimpleType &&
                    baseRefContext == XSConstants.DERIVATION_RESTRICTION) {
                // if the base type is anySimpleType and the current type is
                // a S4S built-in type, return null. (not an error).
                if (baseType == SchemaGrammar.fAnySimpleType &&
                        checkBuiltIn(refName, schemaDoc.fTargetNamespace)) {
                    return null;
                }
                reportSchemaError("cos-st-restricts.1.1", new Object[]{baseTypeStr.rawname, refName}, elm);
                return SchemaGrammar.fAnySimpleType;
            }
            if ((baseType.getFinal() & baseRefContext) != 0) {
                if (baseRefContext == XSConstants.DERIVATION_RESTRICTION) {
                    reportSchemaError("st-props-correct.3", new Object[]{refName, baseTypeStr.rawname}, elm);
                }
                else if (baseRefContext == XSConstants.DERIVATION_LIST) {
                    reportSchemaError("cos-st-restricts.2.3.1.1", new Object[]{baseTypeStr.rawname, refName}, elm);
                }
                else if (baseRefContext == XSConstants.DERIVATION_UNION) {
                    reportSchemaError("cos-st-restricts.3.3.1.1", new Object[]{baseTypeStr.rawname, refName}, elm);
                }
            }
        }
        
        return (XSSimpleType)baseType;
    }
    
    // check whethe the type denoted by the name and namespace is a S4S
    // built-in type. update fIsBuiltIn at the same time.
    private final boolean checkBuiltIn(String name, String namespace) {
        if (namespace != SchemaSymbols.URI_SCHEMAFORSCHEMA)
            return false;
        if (SchemaGrammar.SG_SchemaNS.getGlobalTypeDecl(name) != null)
            fIsBuiltIn = true;
        return fIsBuiltIn;
    }
    
    // find if a datatype validator is a list or has list datatype member.
    private boolean isListDatatype(XSSimpleType validator) {
        if (validator.getVariety() == XSSimpleType.VARIETY_LIST)
            return true;
        
        if (validator.getVariety() == XSSimpleType.VARIETY_UNION) {
            XSObjectList temp = validator.getMemberTypes();
            for (int i = 0; i < temp.getLength(); i++) {
                if (((XSSimpleType)temp.item(i)).getVariety() == XSSimpleType.VARIETY_LIST) {
                    return true;
                }
            }
        }
        
        return false;
    }//isListDatatype(XSSimpleTypeDecl):boolean
    
    private XSSimpleType errorType(String name, String namespace, short refType) {
        switch (refType) {
        case XSConstants.DERIVATION_RESTRICTION:
            return schemaFactory.createTypeRestriction(name, namespace, (short)0,
                    SchemaGrammar.fAnySimpleType, null);
        case XSConstants.DERIVATION_LIST:
            return schemaFactory.createTypeList(name, namespace, (short)0,
                    SchemaGrammar.fAnySimpleType, null);
        case XSConstants.DERIVATION_UNION:
            return schemaFactory.createTypeUnion(name, namespace, (short)0,
                    new XSSimpleType[]{SchemaGrammar.fAnySimpleType}, null);
        }
        
        return null;
    }
    
}//class XSDSimpleTypeTraverser