|
static private SetProperties ( object instance, |
||
| instance | object | |
| attrs | ||
| return | void | |
internal DataTable InstantiateSimpleTable(DataSet dataSet, XmlElement node)
{
XmlAttributeCollection attrs = node.Attributes;
int minOccurs = 1;
int maxOccurs = 1;
string instanceName = this.GetInstanceName(node);
if (dataSet.Tables.GetTable(instanceName, this._schemaUri) != null)
{
throw ExceptionBuilder.DuplicateDeclaration(instanceName);
}
string tableName = XmlConvert.DecodeName(instanceName);
DataTable instance = new DataTable(tableName)
{
Namespace = this._schemaUri
};
this.GetMinMax(node, ref minOccurs, ref maxOccurs);
instance.MinOccurs = minOccurs;
instance.MaxOccurs = maxOccurs;
XMLSchema.SetProperties(instance, attrs);
instance.repeatableElement = true;
this.HandleColumn(node, instance);
instance.Columns[0].ColumnName = tableName + "_Column";
this._ds.Tables.Add(instance);
return(instance);
}
internal DataTable InstantiateTable(DataSet dataSet, XmlElement node, XmlElement typeNode)
{
DataTable table;
string name = "";
XmlAttributeCollection attrs = node.Attributes;
int minOccurs = 1;
int maxOccurs = 1;
string str2 = null;
ArrayList tableChildren = new ArrayList();
if (attrs.Count > 0)
{
name = this.GetInstanceName(node);
table = dataSet.Tables.GetTable(name, this._schemaUri);
if (table != null)
{
return(table);
}
}
table = new DataTable(XmlConvert.DecodeName(name))
{
Namespace = this._schemaUri
};
this.GetMinMax(node, ref minOccurs, ref maxOccurs);
table.MinOccurs = minOccurs;
table.MaxOccurs = maxOccurs;
this._ds.Tables.Add(table);
this.HandleTypeNode(typeNode, table, tableChildren);
XMLSchema.SetProperties(table, attrs);
if (str2 != null)
{
string[] strArray = str2.TrimEnd(null).Split(null);
int length = strArray.Length;
DataColumn[] columnArray = new DataColumn[length];
for (int i = 0; i < length; i++)
{
DataColumn column2 = table.Columns[strArray[i], this._schemaUri];
if (column2 == null)
{
throw ExceptionBuilder.ElementTypeNotFound(strArray[i]);
}
columnArray[i] = column2;
}
table.PrimaryKey = columnArray;
}
foreach (DataTable table2 in tableChildren)
{
DataRelation relation = null;
DataRelationCollection childRelations = table.ChildRelations;
for (int j = 0; j < childRelations.Count; j++)
{
if (childRelations[j].Nested && (table2 == childRelations[j].ChildTable))
{
relation = childRelations[j];
}
}
if (relation == null)
{
DataColumn parentKey = table.AddUniqueKey();
DataColumn childColumn = table2.AddForeignKey(parentKey);
relation = new DataRelation(table.TableName + "_" + table2.TableName, parentKey, childColumn, true)
{
CheckMultipleNested = false,
Nested = true
};
table2.DataSet.Relations.Add(relation);
relation.CheckMultipleNested = true;
}
}
return(table);
}
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);
}
}
}
