internal void HandleColumn(XmlElement node, DataTable table)
{
Debug.Assert(FEqualIdentity(node, Keywords.XDR_ELEMENT, Keywords.XDRNS) ||
FEqualIdentity(node, Keywords.XDR_ATTRIBUTE, Keywords.XDRNS), "Illegal node type");
string instanceName;
string strName;
Type type;
string strType;
string strValues;
int minOccurs = 0;
int maxOccurs = 1;
string strDefault;
DataColumn column;
string strUse = node.GetAttribute(Keywords.USE);
// Get the name
if (node.Attributes.Count > 0)
{
string strRef = node.GetAttribute(Keywords.REF);
if (strRef != null && strRef.Length > 0)
{
return; //skip ref nodes. B2 item
}
strName = instanceName = GetInstanceName(node);
column = table.Columns[instanceName, _schemaUri];
if (column != null)
{
if (column.ColumnMapping == MappingType.Attribute)
{
if (FEqualIdentity(node, Keywords.XDR_ATTRIBUTE, Keywords.XDRNS))
{
throw ExceptionBuilder.DuplicateDeclaration(strName);
}
}
else
{
if (FEqualIdentity(node, Keywords.XDR_ELEMENT, Keywords.XDRNS))
{
throw ExceptionBuilder.DuplicateDeclaration(strName);
}
}
instanceName = GenUniqueColumnName(strName, table);
}
}
else
{
strName = instanceName = "";
}
// Now get the type
XmlElement typeNode = FindTypeNode(node);
SimpleType xsdType = null;
if (typeNode == null)
{
strType = node.GetAttribute(Keywords.TYPE);
throw ExceptionBuilder.UndefinedDatatype(strType);
}
strType = typeNode.GetAttribute(Keywords.DT_TYPE, Keywords.DTNS);
strValues = typeNode.GetAttribute(Keywords.DT_VALUES, Keywords.DTNS);
if (strType == null || strType.Length == 0)
{
strType = "";
type = typeof(string);
}
else
{
type = ParseDataType(strType, strValues);
// HACK: temp work around special types
if (strType == "float")
{
strType = "";
}
if (strType == "char")
{
strType = "";
xsdType = SimpleType.CreateSimpleType(StorageType.Char, type);
}
if (strType == "enumeration")
{
strType = "";
xsdType = SimpleType.CreateEnumeratedType(strValues);
}
if (strType == "bin.base64")
{
strType = "";
xsdType = SimpleType.CreateByteArrayType("base64");
}
if (strType == "bin.hex")
{
strType = "";
xsdType = SimpleType.CreateByteArrayType("hex");
}
}
bool isAttribute = FEqualIdentity(node, Keywords.XDR_ATTRIBUTE, Keywords.XDRNS);
GetMinMax(node, isAttribute, ref minOccurs, ref maxOccurs);
strDefault = null;
// Does XDR has default?
strDefault = node.GetAttribute(Keywords.DEFAULT);
bool bNullable = false;
column = new DataColumn(XmlConvert.DecodeName(instanceName), type, null,
isAttribute ? MappingType.Attribute : MappingType.Element);
SetProperties(column, node.Attributes); // xmlschema.SetProperties will skipp setting expressions
column.XmlDataType = strType;
column.SimpleType = xsdType;
column.AllowDBNull = (minOccurs == 0) || bNullable;
column.Namespace = (isAttribute) ? String.Empty : _schemaUri;
// webdata 97925
// We will skip handling expression columns in SetProperties, so we need set the expressions here
if (node.Attributes != null)
{
for (int i = 0; i < node.Attributes.Count; i++)
{
if (node.Attributes[i].NamespaceURI == Keywords.MSDNS)
{
if (node.Attributes[i].LocalName == "Expression")
{
column.Expression = node.Attributes[i].Value;
break;
}
}
}
}
String targetNamespace = node.GetAttribute(Keywords.TARGETNAMESPACE);
if (targetNamespace != null && targetNamespace.Length > 0)
{
column.Namespace = targetNamespace;
}
table.Columns.Add(column);
if (strDefault != null && strDefault.Length != 0)
{
try {
column.DefaultValue = SqlConvert.ChangeTypeForXML(strDefault, type);
}
catch (System.FormatException) {
throw ExceptionBuilder.CannotConvert(strDefault, type.FullName);
}
}
}
internal void HandleColumn(XmlElement node, DataTable table)
{
DataColumn column;
Type type;
string str3;
string str4;
int minOccurs = 0;
int maxOccurs = 1;
node.GetAttribute("use");
if (node.Attributes.Count > 0)
{
string str7 = node.GetAttribute("ref");
if ((str7 != null) && (str7.Length > 0))
{
return;
}
str3 = str4 = this.GetInstanceName(node);
column = table.Columns[str4, this._schemaUri];
if (column != null)
{
if (column.ColumnMapping == MappingType.Attribute)
{
if (XMLSchema.FEqualIdentity(node, "attribute", "urn:schemas-microsoft-com:xml-data"))
{
throw ExceptionBuilder.DuplicateDeclaration(str3);
}
}
else if (XMLSchema.FEqualIdentity(node, "element", "urn:schemas-microsoft-com:xml-data"))
{
throw ExceptionBuilder.DuplicateDeclaration(str3);
}
str4 = XMLSchema.GenUniqueColumnName(str3, table);
}
}
else
{
str3 = str4 = "";
}
XmlElement element = this.FindTypeNode(node);
SimpleType type2 = null;
if (element == null)
{
throw ExceptionBuilder.UndefinedDatatype(node.GetAttribute("type"));
}
string attribute = element.GetAttribute("type", "urn:schemas-microsoft-com:datatypes");
string dtValues = element.GetAttribute("values", "urn:schemas-microsoft-com:datatypes");
if ((attribute == null) || (attribute.Length == 0))
{
attribute = "";
type = typeof(string);
}
else
{
type = this.ParseDataType(attribute, dtValues);
if (attribute == "float")
{
attribute = "";
}
if (attribute == "char")
{
attribute = "";
type2 = SimpleType.CreateSimpleType(type);
}
if (attribute == "enumeration")
{
attribute = "";
type2 = SimpleType.CreateEnumeratedType(dtValues);
}
if (attribute == "bin.base64")
{
attribute = "";
type2 = SimpleType.CreateByteArrayType("base64");
}
if (attribute == "bin.hex")
{
attribute = "";
type2 = SimpleType.CreateByteArrayType("hex");
}
}
bool isAttribute = XMLSchema.FEqualIdentity(node, "attribute", "urn:schemas-microsoft-com:xml-data");
this.GetMinMax(node, isAttribute, ref minOccurs, ref maxOccurs);
string str2 = null;
str2 = node.GetAttribute("default");
bool flag2 = false;
column = new DataColumn(XmlConvert.DecodeName(str4), type, null, isAttribute ? MappingType.Attribute : MappingType.Element);
XMLSchema.SetProperties(column, node.Attributes);
column.XmlDataType = attribute;
column.SimpleType = type2;
column.AllowDBNull = (minOccurs == 0) || flag2;
column.Namespace = isAttribute ? string.Empty : this._schemaUri;
if (node.Attributes != null)
{
for (int i = 0; i < node.Attributes.Count; i++)
{
if ((node.Attributes[i].NamespaceURI == "urn:schemas-microsoft-com:xml-msdata") && (node.Attributes[i].LocalName == "Expression"))
{
column.Expression = node.Attributes[i].Value;
break;
}
}
}
string str5 = node.GetAttribute("targetNamespace");
if ((str5 != null) && (str5.Length > 0))
{
column.Namespace = str5;
}
table.Columns.Add(column);
if ((str2 != null) && (str2.Length != 0))
{
try
{
column.DefaultValue = SqlConvert.ChangeTypeForXML(str2, type);
}
catch (FormatException)
{
throw ExceptionBuilder.CannotConvert(str2, type.FullName);
}
}
for (XmlNode node2 = node.FirstChild; node2 != null; node2 = node2.NextSibling)
{
if (XMLSchema.FEqualIdentity(node2, "description", "urn:schemas-microsoft-com:xml-data"))
{
column.Description(((XmlElement)node2).InnerText);
}
}
}