internal static XmlSchemaSimpleContentRestriction Read(XmlSchemaReader reader, ValidationEventHandler h)
        {
            XmlSchemaSimpleContentRestriction xmlSchemaSimpleContentRestriction = new XmlSchemaSimpleContentRestriction();

            reader.MoveToElement();
            if (reader.NamespaceURI != "http://www.w3.org/2001/XMLSchema" || reader.LocalName != "restriction")
            {
                XmlSchemaObject.error(h, "Should not happen :1: XmlSchemaComplexContentRestriction.Read, name=" + reader.Name, null);
                reader.SkipToEnd();
                return(null);
            }
            xmlSchemaSimpleContentRestriction.LineNumber   = reader.LineNumber;
            xmlSchemaSimpleContentRestriction.LinePosition = reader.LinePosition;
            xmlSchemaSimpleContentRestriction.SourceUri    = reader.BaseURI;
            while (reader.MoveToNextAttribute())
            {
                if (reader.Name == "base")
                {
                    Exception ex;
                    xmlSchemaSimpleContentRestriction.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader, out ex);
                    if (ex != null)
                    {
                        XmlSchemaObject.error(h, reader.Value + " is not a valid value for base attribute", ex);
                    }
                }
                else if (reader.Name == "id")
                {
                    xmlSchemaSimpleContentRestriction.Id = reader.Value;
                }
                else if ((reader.NamespaceURI == string.Empty && reader.Name != "xmlns") || reader.NamespaceURI == "http://www.w3.org/2001/XMLSchema")
                {
                    XmlSchemaObject.error(h, reader.Name + " is not a valid attribute for restriction", null);
                }
                else
                {
                    XmlSchemaUtil.ReadUnhandledAttribute(reader, xmlSchemaSimpleContentRestriction);
                }
            }
            reader.MoveToElement();
            if (reader.IsEmptyElement)
            {
                return(xmlSchemaSimpleContentRestriction);
            }
            int num = 1;

            while (reader.ReadNextElement())
            {
                if (reader.NodeType == XmlNodeType.EndElement)
                {
                    if (reader.LocalName != "restriction")
                    {
                        XmlSchemaObject.error(h, "Should not happen :2: XmlSchemaSimpleContentRestriction.Read, name=" + reader.Name, null);
                    }
                    break;
                }
                if (num <= 1 && reader.LocalName == "annotation")
                {
                    num = 2;
                    XmlSchemaAnnotation xmlSchemaAnnotation = XmlSchemaAnnotation.Read(reader, h);
                    if (xmlSchemaAnnotation != null)
                    {
                        xmlSchemaSimpleContentRestriction.Annotation = xmlSchemaAnnotation;
                    }
                }
                else if (num <= 2 && reader.LocalName == "simpleType")
                {
                    num = 3;
                    XmlSchemaSimpleType xmlSchemaSimpleType = XmlSchemaSimpleType.Read(reader, h);
                    if (xmlSchemaSimpleType != null)
                    {
                        xmlSchemaSimpleContentRestriction.baseType = xmlSchemaSimpleType;
                    }
                }
                else
                {
                    if (num <= 3)
                    {
                        if (reader.LocalName == "minExclusive")
                        {
                            num = 3;
                            XmlSchemaMinExclusiveFacet xmlSchemaMinExclusiveFacet = XmlSchemaMinExclusiveFacet.Read(reader, h);
                            if (xmlSchemaMinExclusiveFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaMinExclusiveFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "minInclusive")
                        {
                            num = 3;
                            XmlSchemaMinInclusiveFacet xmlSchemaMinInclusiveFacet = XmlSchemaMinInclusiveFacet.Read(reader, h);
                            if (xmlSchemaMinInclusiveFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaMinInclusiveFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "maxExclusive")
                        {
                            num = 3;
                            XmlSchemaMaxExclusiveFacet xmlSchemaMaxExclusiveFacet = XmlSchemaMaxExclusiveFacet.Read(reader, h);
                            if (xmlSchemaMaxExclusiveFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaMaxExclusiveFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "maxInclusive")
                        {
                            num = 3;
                            XmlSchemaMaxInclusiveFacet xmlSchemaMaxInclusiveFacet = XmlSchemaMaxInclusiveFacet.Read(reader, h);
                            if (xmlSchemaMaxInclusiveFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaMaxInclusiveFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "totalDigits")
                        {
                            num = 3;
                            XmlSchemaTotalDigitsFacet xmlSchemaTotalDigitsFacet = XmlSchemaTotalDigitsFacet.Read(reader, h);
                            if (xmlSchemaTotalDigitsFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaTotalDigitsFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "fractionDigits")
                        {
                            num = 3;
                            XmlSchemaFractionDigitsFacet xmlSchemaFractionDigitsFacet = XmlSchemaFractionDigitsFacet.Read(reader, h);
                            if (xmlSchemaFractionDigitsFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaFractionDigitsFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "length")
                        {
                            num = 3;
                            XmlSchemaLengthFacet xmlSchemaLengthFacet = XmlSchemaLengthFacet.Read(reader, h);
                            if (xmlSchemaLengthFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaLengthFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "minLength")
                        {
                            num = 3;
                            XmlSchemaMinLengthFacet xmlSchemaMinLengthFacet = XmlSchemaMinLengthFacet.Read(reader, h);
                            if (xmlSchemaMinLengthFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaMinLengthFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "maxLength")
                        {
                            num = 3;
                            XmlSchemaMaxLengthFacet xmlSchemaMaxLengthFacet = XmlSchemaMaxLengthFacet.Read(reader, h);
                            if (xmlSchemaMaxLengthFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaMaxLengthFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "enumeration")
                        {
                            num = 3;
                            XmlSchemaEnumerationFacet xmlSchemaEnumerationFacet = XmlSchemaEnumerationFacet.Read(reader, h);
                            if (xmlSchemaEnumerationFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaEnumerationFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "whiteSpace")
                        {
                            num = 3;
                            XmlSchemaWhiteSpaceFacet xmlSchemaWhiteSpaceFacet = XmlSchemaWhiteSpaceFacet.Read(reader, h);
                            if (xmlSchemaWhiteSpaceFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaWhiteSpaceFacet);
                            }
                            continue;
                        }
                        if (reader.LocalName == "pattern")
                        {
                            num = 3;
                            XmlSchemaPatternFacet xmlSchemaPatternFacet = XmlSchemaPatternFacet.Read(reader, h);
                            if (xmlSchemaPatternFacet != null)
                            {
                                xmlSchemaSimpleContentRestriction.facets.Add(xmlSchemaPatternFacet);
                            }
                            continue;
                        }
                    }
                    if (num <= 4)
                    {
                        if (reader.LocalName == "attribute")
                        {
                            num = 4;
                            XmlSchemaAttribute xmlSchemaAttribute = XmlSchemaAttribute.Read(reader, h);
                            if (xmlSchemaAttribute != null)
                            {
                                xmlSchemaSimpleContentRestriction.Attributes.Add(xmlSchemaAttribute);
                            }
                            continue;
                        }
                        if (reader.LocalName == "attributeGroup")
                        {
                            num = 4;
                            XmlSchemaAttributeGroupRef xmlSchemaAttributeGroupRef = XmlSchemaAttributeGroupRef.Read(reader, h);
                            if (xmlSchemaAttributeGroupRef != null)
                            {
                                xmlSchemaSimpleContentRestriction.attributes.Add(xmlSchemaAttributeGroupRef);
                            }
                            continue;
                        }
                    }
                    if (num <= 5 && reader.LocalName == "anyAttribute")
                    {
                        num = 6;
                        XmlSchemaAnyAttribute xmlSchemaAnyAttribute = XmlSchemaAnyAttribute.Read(reader, h);
                        if (xmlSchemaAnyAttribute != null)
                        {
                            xmlSchemaSimpleContentRestriction.AnyAttribute = xmlSchemaAnyAttribute;
                        }
                    }
                    else
                    {
                        reader.RaiseInvalidElementError();
                    }
                }
            }
            return(xmlSchemaSimpleContentRestriction);
        }
        //<restriction
        //base = QName
        //id = ID
        //{any attributes with non-schema namespace . . .}>
        //Content: (annotation?, (simpleType?, (minExclusive | minInclusive | maxExclusive | maxInclusive | totalDigits | fractionDigits | length | minLength | maxLength | enumeration | whiteSpace | pattern)*)?, ((attribute | attributeGroup)*, anyAttribute?))
        //</restriction>
        internal static XmlSchemaSimpleContentRestriction Read(XmlSchemaReader reader, ValidationEventHandler h)
        {
            XmlSchemaSimpleContentRestriction restriction = new XmlSchemaSimpleContentRestriction();

            reader.MoveToElement();

            if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
            {
                error(h, "Should not happen :1: XmlSchemaComplexContentRestriction.Read, name=" + reader.Name, null);
                reader.SkipToEnd();
                return(null);
            }

            restriction.LineNumber   = reader.LineNumber;
            restriction.LinePosition = reader.LinePosition;
            restriction.SourceUri    = reader.BaseURI;

            while (reader.MoveToNextAttribute())
            {
                if (reader.Name == "base")
                {
                    Exception innerex;
                    restriction.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader, out innerex);
                    if (innerex != null)
                    {
                        error(h, reader.Value + " is not a valid value for base attribute", innerex);
                    }
                }
                else if (reader.Name == "id")
                {
                    restriction.Id = reader.Value;
                }
                else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
                {
                    error(h, reader.Name + " is not a valid attribute for restriction", null);
                }
                else
                {
                    XmlSchemaUtil.ReadUnhandledAttribute(reader, restriction);
                }
            }

            reader.MoveToElement();
            if (reader.IsEmptyElement)
            {
                return(restriction);
            }

            //Content:  1.annotation?,
            //		    2.simpleType?,
            //			3.(minExclusive |...| enumeration | whiteSpace | pattern)*,
            //			4.(attribute | attributeGroup)*,
            //			5.anyAttribute?
            int level = 1;

            while (reader.ReadNextElement())
            {
                if (reader.NodeType == XmlNodeType.EndElement)
                {
                    if (reader.LocalName != xmlname)
                    {
                        error(h, "Should not happen :2: XmlSchemaSimpleContentRestriction.Read, name=" + reader.Name, null);
                    }
                    break;
                }
                if (level <= 1 && reader.LocalName == "annotation")
                {
                    level = 2; //Only one annotation
                    XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader, h);
                    if (annotation != null)
                    {
                        restriction.Annotation = annotation;
                    }
                    continue;
                }
                if (level <= 2 && reader.LocalName == "simpleType")
                {
                    level = 3;
                    XmlSchemaSimpleType stype = XmlSchemaSimpleType.Read(reader, h);
                    if (stype != null)
                    {
                        restriction.baseType = stype;
                    }
                    continue;
                }
                if (level <= 3)
                {
                    if (reader.LocalName == "minExclusive")
                    {
                        level = 3;
                        XmlSchemaMinExclusiveFacet minex = XmlSchemaMinExclusiveFacet.Read(reader, h);
                        if (minex != null)
                        {
                            restriction.facets.Add(minex);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "minInclusive")
                    {
                        level = 3;
                        XmlSchemaMinInclusiveFacet mini = XmlSchemaMinInclusiveFacet.Read(reader, h);
                        if (mini != null)
                        {
                            restriction.facets.Add(mini);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "maxExclusive")
                    {
                        level = 3;
                        XmlSchemaMaxExclusiveFacet maxex = XmlSchemaMaxExclusiveFacet.Read(reader, h);
                        if (maxex != null)
                        {
                            restriction.facets.Add(maxex);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "maxInclusive")
                    {
                        level = 3;
                        XmlSchemaMaxInclusiveFacet maxi = XmlSchemaMaxInclusiveFacet.Read(reader, h);
                        if (maxi != null)
                        {
                            restriction.facets.Add(maxi);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "totalDigits")
                    {
                        level = 3;
                        XmlSchemaTotalDigitsFacet total = XmlSchemaTotalDigitsFacet.Read(reader, h);
                        if (total != null)
                        {
                            restriction.facets.Add(total);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "fractionDigits")
                    {
                        level = 3;
                        XmlSchemaFractionDigitsFacet fraction = XmlSchemaFractionDigitsFacet.Read(reader, h);
                        if (fraction != null)
                        {
                            restriction.facets.Add(fraction);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "length")
                    {
                        level = 3;
                        XmlSchemaLengthFacet length = XmlSchemaLengthFacet.Read(reader, h);
                        if (length != null)
                        {
                            restriction.facets.Add(length);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "minLength")
                    {
                        level = 3;
                        XmlSchemaMinLengthFacet minlen = XmlSchemaMinLengthFacet.Read(reader, h);
                        if (minlen != null)
                        {
                            restriction.facets.Add(minlen);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "maxLength")
                    {
                        level = 3;
                        XmlSchemaMaxLengthFacet maxlen = XmlSchemaMaxLengthFacet.Read(reader, h);
                        if (maxlen != null)
                        {
                            restriction.facets.Add(maxlen);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "enumeration")
                    {
                        level = 3;
                        XmlSchemaEnumerationFacet enumeration = XmlSchemaEnumerationFacet.Read(reader, h);
                        if (enumeration != null)
                        {
                            restriction.facets.Add(enumeration);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "whiteSpace")
                    {
                        level = 3;
                        XmlSchemaWhiteSpaceFacet ws = XmlSchemaWhiteSpaceFacet.Read(reader, h);
                        if (ws != null)
                        {
                            restriction.facets.Add(ws);
                        }
                        continue;
                    }
                    else if (reader.LocalName == "pattern")
                    {
                        level = 3;
                        XmlSchemaPatternFacet pattern = XmlSchemaPatternFacet.Read(reader, h);
                        if (pattern != null)
                        {
                            restriction.facets.Add(pattern);
                        }
                        continue;
                    }
                }
                if (level <= 4)
                {
                    if (reader.LocalName == "attribute")
                    {
                        level = 4;
                        XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader, h);
                        if (attr != null)
                        {
                            restriction.Attributes.Add(attr);
                        }
                        continue;
                    }
                    if (reader.LocalName == "attributeGroup")
                    {
                        level = 4;
                        XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader, h);
                        if (attr != null)
                        {
                            restriction.attributes.Add(attr);
                        }
                        continue;
                    }
                }
                if (level <= 5 && reader.LocalName == "anyAttribute")
                {
                    level = 6;
                    XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader, h);
                    if (anyattr != null)
                    {
                        restriction.AnyAttribute = anyattr;
                    }
                    continue;
                }
                reader.RaiseInvalidElementError();
            }
            return(restriction);
        }