private void InferColumnElement(TableMapping table, XmlElement el)
{
string localName = XmlHelper.Decode(el.LocalName);
DataColumn col = table.GetColumn(localName);
if (col != null)
{
if (col.ColumnMapping != MappingType.Element)
{
throw new DataException(String.Format("Column {0} is already mapped to {1}.", localName, col.ColumnMapping));
}
table.lastElementIndex = table.Elements.IndexOf(col);
return;
}
if (table.ChildTables [localName] != null)
{
// Child is already mapped, or inferred as a table
// (in that case, that takes precedence than
// this simple column inference.)
return;
}
col = new DataColumn(localName, typeof(string));
col.Namespace = el.NamespaceURI;
col.Prefix = el.Prefix;
table.Elements.Insert(++table.lastElementIndex, col);
}
private void CheckExtraneousElementColumn(TableMapping parentTable, XmlElement el)
{
if (parentTable == null)
{
return;
}
string localName = XmlHelper.Decode(el.LocalName);
DataColumn elc = parentTable.GetColumn(localName);
if (elc != null)
{
parentTable.RemoveElementColumn(localName);
}
}
private DataColumn GetMappedColumn(TableMapping table, string name, string prefix, string ns, MappingType type, Type optColType)
{
DataColumn col = table.GetColumn(name);
// Infer schema
if (col == null)
{
col = new DataColumn(name);
col.Prefix = prefix;
col.Namespace = ns;
col.ColumnMapping = type;
switch (type)
{
case MappingType.Element:
table.Elements.Add(col);
break;
case MappingType.Attribute:
table.Attributes.Add(col);
break;
case MappingType.SimpleContent:
table.SimpleContent = col;
break;
case MappingType.Hidden:
// To generate parent key
col.DataType = optColType;
table.ReferenceKey = col;
break;
}
}
else if (col.ColumnMapping != type) // Check mapping type
{
throw new DataException(String.Format("There are already another column that has different mapping type. Column is {0}, existing mapping type is {1}", col.ColumnName, col.ColumnMapping));
}
return(col);
}
private DataColumn GetMappedColumn (TableMapping table, string name, string prefix, string ns, MappingType type, Type optColType)
{
DataColumn col = table.GetColumn (name);
// Infer schema
if (col == null) {
col = new DataColumn (name);
col.Prefix = prefix;
col.Namespace = ns;
col.ColumnMapping = type;
switch (type) {
case MappingType.Element:
table.Elements.Add (col);
break;
case MappingType.Attribute:
table.Attributes.Add (col);
break;
case MappingType.SimpleContent:
table.SimpleContent = col;
break;
case MappingType.Hidden:
// To generate parent key
col.DataType = optColType;
table.ReferenceKey = col;
break;
}
}
else if (col.ColumnMapping != type) // Check mapping type
throw new DataException (String.Format ("There are already another column that has different mapping type. Column is {0}, existing mapping type is {1}", col.ColumnName, col.ColumnMapping));
return col;
}
private void CheckExtraneousElementColumn (TableMapping parentTable, XmlElement el)
{
if (parentTable == null)
return;
string localName = XmlHelper.Decode (el.LocalName);
DataColumn elc = parentTable.GetColumn (localName);
if (elc != null)
parentTable.RemoveElementColumn (localName);
}
private void InferColumnElement (TableMapping table, XmlElement el)
{
string localName = XmlHelper.Decode (el.LocalName);
DataColumn col = table.GetColumn (localName);
if (col != null) {
if (col.ColumnMapping != MappingType.Element)
throw new DataException (String.Format ("Column {0} is already mapped to {1}.", localName, col.ColumnMapping));
table.lastElementIndex = table.Elements.IndexOf (col);
return;
}
if (table.ChildTables [localName] != null)
// Child is already mapped, or inferred as a table
// (in that case, that takes precedence than
// this simple column inference.)
return;
col = new DataColumn (localName, typeof (string));
col.Namespace = el.NamespaceURI;
col.Prefix = el.Prefix;
table.Elements.Insert (++table.lastElementIndex, col);
}