private bool AddColumnSchema(XmlNameTable nameTable, DataColumn col, XmlNodeIdHashtable columns)
{
string array = XmlConvert.EncodeLocalName(col.ColumnName);
string localName = nameTable.Get(array);
if (localName == null)
{
localName = nameTable.Add(array);
}
col.encodedColumnName = localName;
string namespaceURI = nameTable.Get(col.Namespace);
if (namespaceURI == null)
{
namespaceURI = nameTable.Add(col.Namespace);
}
else if (col._columnUri != null)
{
col._columnUri = namespaceURI;
}
XmlNodeIdentety identety = new XmlNodeIdentety(localName, namespaceURI);
columns[identety] = col;
if (col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase))
{
this.HandleSpecialColumn(col, nameTable, columns);
}
return true;
}
private void HandleSpecialColumn(DataColumn col, XmlNameTable nameTable, XmlNodeIdHashtable columns)
{
// if column name starts with xml, we encode it manualy and add it for look up
Debug.Assert(col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase), "column name should start with xml");
string tempColumnName;
if ('x' == col.ColumnName[0])
{
tempColumnName = "_x0078_"; // lower case xml... -> _x0078_ml...
}
else
{
tempColumnName = "_x0058_"; // upper case Xml... -> _x0058_ml...
}
tempColumnName = string.Concat(tempColumnName, col.ColumnName.AsSpan(1));
if (nameTable.Get(tempColumnName) == null)
{
nameTable.Add(tempColumnName);
}
string? columnNamespace = nameTable.Get(col.Namespace);
XmlNodeIdentety idColumn = new XmlNodeIdentety(tempColumnName, columnNamespace);
columns[idColumn] = col;
}
private bool AddColumnSchema(XmlNameTable nameTable, DataColumn col, XmlNodeIdHashtable columns)
{
string _columnLocalName = XmlConvert.EncodeName(col.ColumnName);
string columnLocalName = nameTable.Get(_columnLocalName);
if (columnLocalName == null)
{
columnLocalName = nameTable.Add(_columnLocalName);
}
col.encodedColumnName = columnLocalName;
string columnNamespace = nameTable.Get(col.Namespace);
if (columnNamespace == null)
{
columnNamespace = nameTable.Add(col.Namespace);
}
else
{
if (col._columnUri != null)
{
col._columnUri = columnNamespace;
}
}
XmlNodeIdentety idColumn = new XmlNodeIdentety(columnLocalName, columnNamespace);
columns[idColumn] = col;
return(true);
}
private static bool AddColumnSchema(XmlNameTable nameTable, DataColumn col, XmlNodeIdHashtable columns)
{
string _columnLocalName = XmlConvert.EncodeLocalName(col.ColumnName);
string columnLocalName =
nameTable.Get(_columnLocalName) ?? // Look it up in a name table
nameTable.Add(_columnLocalName); // Not found? Add it
col._encodedColumnName = columnLocalName; // And set it back
string?columnNamespace = nameTable.Get(col.Namespace); // Get column namespace from nametable
if (columnNamespace == null)
{ // Not found ?
columnNamespace = nameTable.Add(col.Namespace); // Add it
}
else
{
if (col._columnUri != null) // Update namespace
{
col._columnUri = columnNamespace;
}
}
// Create XmlNodeIdentety
// for this column
XmlNodeIdentety idColumn = new XmlNodeIdentety(columnLocalName, columnNamespace);
columns[idColumn] = col; // And add it to hashtable
if (col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase))
{
HandleSpecialColumn(col, nameTable, columns);
}
return(true);
}
public TableSchemaInfo(DataTable tableSchema)
{
this.TableSchema = tableSchema;
this.ColumnsSchemaMap = new XmlNodeIdHashtable(tableSchema.Columns.Count);
this.ChildTablesSchemaMap = new XmlNodeIdHashtable(tableSchema.ChildRelations.Count);
}
private bool AddColumnSchema(XmlNameTable nameTable, DataColumn col, XmlNodeIdHashtable columns)
{
string array = XmlConvert.EncodeLocalName(col.ColumnName);
string localName = nameTable.Get(array);
if (localName == null)
{
localName = nameTable.Add(array);
}
col.encodedColumnName = localName;
string namespaceURI = nameTable.Get(col.Namespace);
if (namespaceURI == null)
{
namespaceURI = nameTable.Add(col.Namespace);
}
else if (col._columnUri != null)
{
col._columnUri = namespaceURI;
}
XmlNodeIdentety identety = new XmlNodeIdentety(localName, namespaceURI);
columns[identety] = col;
if (col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase))
{
this.HandleSpecialColumn(col, nameTable, columns);
}
return(true);
}
// This one is used while reading data with preloaded schema
private void BuildIdentityMap(XmlNameTable nameTable, DataTable dataTable)
{
ArrayList tableList = GetSelfAndDescendants(dataTable); // Get list of tables we're loading
// This includes our table and
// related tables tree
this.tableSchemaMap = new XmlNodeIdHashtable(tableList.Count);
// Create hash table to hold all
// tables to load.
foreach (DataTable t in tableList) // For each table
{
TableSchemaInfo tableSchemaInfo = AddTableSchema(nameTable, t);
// Create schema info
if (tableSchemaInfo != null)
{
foreach (DataColumn c in t.Columns) // Add column information
// don't include auto-generated PK, FK and any hidden columns to be part of mapping
{
if (IsMappedColumn(c))
{
AddColumnSchema(nameTable, c, tableSchemaInfo.ColumnsSchemaMap);
}
}
foreach (DataRelation r in t.ChildRelations) // Add nested tables information
{
if (r.Nested) // Is it nested?
// don't include non nested tables
// Handle namespaces and names as usuall
{
string _tableLocalName = XmlConvert.EncodeLocalName(r.ChildTable.TableName);
string tableLocalName = nameTable.Get(_tableLocalName);
if (tableLocalName == null)
{
tableLocalName = nameTable.Add(_tableLocalName);
}
string tableNamespace = nameTable.Get(r.ChildTable.Namespace);
if (tableNamespace == null)
{
tableNamespace = nameTable.Add(r.ChildTable.Namespace);
}
XmlNodeIdentety idTable = new XmlNodeIdentety(tableLocalName, tableNamespace);
tableSchemaInfo.ColumnsSchemaMap[idTable] = r.ChildTable;
}
}
}
}
}
private void BuildIdentityMap(XmlNameTable nameTable, DataSet dataSet)
{
_tableSchemaMap = new XmlNodeIdHashtable(dataSet.Tables.Count);
// This hash table contains
// tables schemas as TableSchemaInfo objects
// These objects holds reference to the table.
// Hash tables with columns schema maps
// and child tables schema maps
string dsNamespace =
nameTable.Get(dataSet.Namespace) ?? // Attempt to look up DataSet namespace in the name table
nameTable.Add(dataSet.Namespace); // Found? Nope. Add it
dataSet._namespaceURI = dsNamespace; // Set a DataSet namespace URI
foreach (DataTable t in dataSet.Tables)
{ // For each table
TableSchemaInfo tableSchemaInfo = AddTableSchema(nameTable, t);
// Add table schema info to hash table
if (tableSchemaInfo != null)
{
foreach (DataColumn c in t.Columns)
{ // Add column schema map
// don't include auto-generated PK, FK and any hidden columns to be part of mapping
if (IsMappedColumn(c))
{ // If mapped column
AddColumnSchema(nameTable, c, tableSchemaInfo.ColumnsSchemaMap);
} // Add it to the map
}
// Add child nested tables to the schema
foreach (DataRelation r in t.ChildRelations)
{ // Do we have a child tables ?
if (r.Nested)
{ // Is it nested?
// don't include non nested tables
// Handle namespaces and names as usuall
string _tableLocalName = XmlConvert.EncodeLocalName(r.ChildTable.TableName);
string?tableLocalName =
nameTable.Get(_tableLocalName) ??
nameTable.Add(_tableLocalName);
string?tableNamespace =
nameTable.Get(r.ChildTable.Namespace) ??
nameTable.Add(r.ChildTable.Namespace);
XmlNodeIdentety idTable = new XmlNodeIdentety(tableLocalName, tableNamespace);
tableSchemaInfo.ColumnsSchemaMap[idTable] = r.ChildTable;
}
}
}
}
}
private bool AddColumnSchema(DataColumn col, XmlNameTable nameTable, XmlNodeIdHashtable columns)
{
string columnLocalName = nameTable.Get(col.EncodedColumnName);
string columnNamespace = nameTable.Get(col.Namespace);
if (columnLocalName == null)
{
return(false);
}
XmlNodeIdentety idColumn = new XmlNodeIdentety(columnLocalName, columnNamespace);
columns[idColumn] = col;
return(true);
}
private void BuildIdentityMap(DataTable dataTable, XmlNameTable nameTable)
{
this.tableSchemaMap = new XmlNodeIdHashtable(1);
TableSchemaInfo info = this.AddTableSchema(dataTable, nameTable);
if (info != null)
{
foreach (DataColumn column in dataTable.Columns)
{
if (IsMappedColumn(column))
{
this.AddColumnSchema(column, nameTable, info.ColumnsSchemaMap);
}
}
}
}
private bool AddColumnSchema(DataColumn col, XmlNameTable nameTable, XmlNodeIdHashtable columns)
{
string localName = nameTable.Get(col.EncodedColumnName);
string namespaceURI = nameTable.Get(col.Namespace);
if (localName == null)
{
return false;
}
XmlNodeIdentety identety = new XmlNodeIdentety(localName, namespaceURI);
columns[identety] = col;
if (col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase))
{
this.HandleSpecialColumn(col, nameTable, columns);
}
return true;
}
private bool AddColumnSchema(DataColumn col, XmlNameTable nameTable, XmlNodeIdHashtable columns)
{
string localName = nameTable.Get(col.EncodedColumnName);
string namespaceURI = nameTable.Get(col.Namespace);
if (localName == null)
{
return(false);
}
XmlNodeIdentety identety = new XmlNodeIdentety(localName, namespaceURI);
columns[identety] = col;
if (col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase))
{
this.HandleSpecialColumn(col, nameTable, columns);
}
return(true);
}
private void BuildIdentityMap(DataTable dataTable, XmlNameTable nameTable)
{
_tableSchemaMap = new XmlNodeIdHashtable(1);
TableSchemaInfo?tableSchemaInfo = AddTableSchema(dataTable, nameTable);
if (tableSchemaInfo != null)
{
foreach (DataColumn c in dataTable.Columns)
{
// don't include auto-generated PK, FK and any hidden columns to be part of mapping
if (IsMappedColumn(c))
{
AddColumnSchema(c, nameTable, tableSchemaInfo.ColumnsSchemaMap);
}
}
}
}
private void BuildIdentityMap(XmlNameTable nameTable, DataSet dataSet)
{
this.tableSchemaMap = new XmlNodeIdHashtable(dataSet.Tables.Count);
string str3 = nameTable.Get(dataSet.Namespace);
if (str3 == null)
{
str3 = nameTable.Add(dataSet.Namespace);
}
dataSet.namespaceURI = str3;
foreach (DataTable table in dataSet.Tables)
{
TableSchemaInfo info = this.AddTableSchema(nameTable, table);
if (info != null)
{
foreach (DataColumn column in table.Columns)
{
if (IsMappedColumn(column))
{
this.AddColumnSchema(nameTable, column, info.ColumnsSchemaMap);
}
}
foreach (DataRelation relation in table.ChildRelations)
{
if (relation.Nested)
{
string array = XmlConvert.EncodeLocalName(relation.ChildTable.TableName);
string localName = nameTable.Get(array);
if (localName == null)
{
localName = nameTable.Add(array);
}
string namespaceURI = nameTable.Get(relation.ChildTable.Namespace);
if (namespaceURI == null)
{
namespaceURI = nameTable.Add(relation.ChildTable.Namespace);
}
XmlNodeIdentety identety = new XmlNodeIdentety(localName, namespaceURI);
info.ColumnsSchemaMap[identety] = relation.ChildTable;
}
}
}
}
}
private void BuildIdentityMap(DataSet dataSet, XmlNameTable nameTable)
{
this.tableSchemaMap = new XmlNodeIdHashtable(dataSet.Tables.Count);
foreach (DataTable t in dataSet.Tables)
{
TableSchemaInfo tableSchemaInfo = AddTableSchema(t, nameTable);
if (tableSchemaInfo != null)
{
foreach (DataColumn c in t.Columns)
{
// don't include auto-generated PK, FK and any hidden columns to be part of mapping
if (IsMappedColumn(c))
{
AddColumnSchema(c, nameTable, tableSchemaInfo.ColumnsSchemaMap);
}
}
}
}
}
private bool AddChildTableSchema(XmlNameTable nameTable, DataRelation rel, XmlNodeIdHashtable childtables)
{
string _tableLocalName = XmlConvert.EncodeName(rel.ChildTable.TableName);
string tableLocalName = nameTable.Get(_tableLocalName);
if (tableLocalName == null)
{
tableLocalName = nameTable.Add(_tableLocalName);
}
string tableNamespace = nameTable.Get(rel.ChildTable.Namespace);
if (tableNamespace == null)
{
tableNamespace = nameTable.Add(rel.ChildTable.Namespace);
}
XmlNodeIdentety idTable = new XmlNodeIdentety(tableLocalName, tableNamespace);
childtables[idTable] = rel;
return(true);
}
private void HandleSpecialColumn(DataColumn col, XmlNameTable nameTable, XmlNodeIdHashtable columns)
{
string str;
if ('x' == col.ColumnName[0])
{
str = "_x0078_";
}
else
{
str = "_x0058_";
}
str = str + col.ColumnName.Substring(1);
if (nameTable.Get(str) == null)
{
nameTable.Add(str);
}
string namespaceURI = nameTable.Get(col.Namespace);
XmlNodeIdentety identety = new XmlNodeIdentety(str, namespaceURI);
columns[identety] = col;
}
private void BuildIdentityMap(XmlNameTable nameTable, DataSet dataSet)
{
this.tableSchemaMap = new XmlNodeIdHashtable(dataSet.Tables.Count);
string dsNamespace = nameTable.Get(dataSet.Namespace);
if (dsNamespace == null)
{
dsNamespace = nameTable.Add(dataSet.Namespace);
}
dataSet.namespaceURI = dsNamespace;
foreach (DataTable t in dataSet.Tables)
{
TableSchemaInfo tableSchemaInfo = AddTableSchema(nameTable, t);
if (tableSchemaInfo != null)
{
foreach (DataColumn c in t.Columns)
{
// don't include auto-generated PK, FK and any hidden columns to be part of mapping
if (IsMappedColumn(c))
{
AddColumnSchema(nameTable, c, tableSchemaInfo.ColumnsSchemaMap);
}
}
foreach (DataRelation r in t.ChildRelations)
{
if (r.Nested)
{
// don't include non nested tables
AddChildTableSchema(nameTable, r, tableSchemaInfo.ChildTablesSchemaMap);
}
}
}
}
}
private bool AddColumnSchema(XmlNameTable nameTable, DataColumn col, XmlNodeIdHashtable columns)
{
string _columnLocalName = XmlConvert.EncodeLocalName(col.ColumnName);
string columnLocalName = nameTable.Get(_columnLocalName); // Look it up in a name table
if (columnLocalName == null)
{ // Not found?
columnLocalName = nameTable.Add(_columnLocalName); // Add it
}
col._encodedColumnName = columnLocalName; // And set it back
string columnNamespace = nameTable.Get(col.Namespace); // Get column namespace from nametable
if (columnNamespace == null)
{ // Not found ?
columnNamespace = nameTable.Add(col.Namespace); // Add it
}
else
{
if (col._columnUri != null) // Update namespace
col._columnUri = columnNamespace;
}
// Create XmlNodeIdentety
// for this column
XmlNodeIdentety idColumn = new XmlNodeIdentety(columnLocalName, columnNamespace);
columns[idColumn] = col; // And add it to hashtable
if (col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase))
{
HandleSpecialColumn(col, nameTable, columns);
}
return true;
}
public TableSchemaInfo(DataTable tableSchema)
{
TableSchema = tableSchema;
ColumnsSchemaMap = new XmlNodeIdHashtable(tableSchema.Columns.Count);
}
private void HandleSpecialColumn(DataColumn col, XmlNameTable nameTable, XmlNodeIdHashtable columns)
{
// if column name starts with xml, we encode it manualy and add it for look up
Debug.Assert(col.ColumnName.StartsWith("xml", StringComparison.OrdinalIgnoreCase), "column name should start with xml");
string tempColumnName;
if ('x' == col.ColumnName[0])
{
tempColumnName = "_x0078_"; // lower case xml... -> _x0078_ml...
}
else
{
tempColumnName = "_x0058_"; // upper case Xml... -> _x0058_ml...
}
tempColumnName += col.ColumnName.Substring(1);
if (nameTable.Get(tempColumnName) == null)
{
nameTable.Add(tempColumnName);
}
string columnNamespace = nameTable.Get(col.Namespace);
XmlNodeIdentety idColumn = new XmlNodeIdentety(tempColumnName, columnNamespace);
columns[idColumn] = col;
}
// This one is used while reading data with preloaded schema
private void BuildIdentityMap(XmlNameTable nameTable, DataTable dataTable)
{
ArrayList tableList = GetSelfAndDescendants(dataTable); // Get list of tables we're loading
// This includes our table and
// related tables tree
_tableSchemaMap = new XmlNodeIdHashtable(tableList.Count);
// Create hash table to hold all
// tables to load.
foreach (DataTable t in tableList)
{ // For each table
TableSchemaInfo tableSchemaInfo = AddTableSchema(nameTable, t);
// Create schema info
if (tableSchemaInfo != null)
{
foreach (DataColumn c in t.Columns)
{ // Add column information
// don't include auto-generated PK, FK and any hidden columns to be part of mapping
if (IsMappedColumn(c))
{
AddColumnSchema(nameTable, c, tableSchemaInfo.ColumnsSchemaMap);
}
}
foreach (DataRelation r in t.ChildRelations)
{ // Add nested tables information
if (r.Nested)
{ // Is it nested?
// don't include non nested tables
// Handle namespaces and names as usuall
string _tableLocalName = XmlConvert.EncodeLocalName(r.ChildTable.TableName);
string tableLocalName = nameTable.Get(_tableLocalName);
if (tableLocalName == null)
{
tableLocalName = nameTable.Add(_tableLocalName);
}
string tableNamespace = nameTable.Get(r.ChildTable.Namespace);
if (tableNamespace == null)
{
tableNamespace = nameTable.Add(r.ChildTable.Namespace);
}
XmlNodeIdentety idTable = new XmlNodeIdentety(tableLocalName, tableNamespace);
tableSchemaInfo.ColumnsSchemaMap[idTable] = r.ChildTable;
}
}
}
}
}
// Used for inference
private void BuildIdentityMap(DataTable dataTable, XmlNameTable nameTable)
{
_tableSchemaMap = new XmlNodeIdHashtable(1);
TableSchemaInfo tableSchemaInfo = AddTableSchema(dataTable, nameTable);
if (tableSchemaInfo != null)
{
foreach (DataColumn c in dataTable.Columns)
{
// don't include auto-generated PK, FK and any hidden columns to be part of mapping
if (IsMappedColumn(c))
{
AddColumnSchema(c, nameTable, tableSchemaInfo.ColumnsSchemaMap);
}
}
}
}
public TableSchemaInfo(DataTable tableSchema)
{
TableSchema = tableSchema;
ColumnsSchemaMap = new XmlNodeIdHashtable(tableSchema.Columns.Count);
}
private void BuildIdentityMap(XmlNameTable nameTable, DataTable dataTable)
{
ArrayList selfAndDescendants = this.GetSelfAndDescendants(dataTable);
this.tableSchemaMap = new XmlNodeIdHashtable(selfAndDescendants.Count);
foreach (DataTable table in selfAndDescendants)
{
TableSchemaInfo info = this.AddTableSchema(nameTable, table);
if (info != null)
{
foreach (DataColumn column in table.Columns)
{
if (IsMappedColumn(column))
{
this.AddColumnSchema(nameTable, column, info.ColumnsSchemaMap);
}
}
foreach (DataRelation relation in table.ChildRelations)
{
if (relation.Nested)
{
string array = XmlConvert.EncodeLocalName(relation.ChildTable.TableName);
string localName = nameTable.Get(array);
if (localName == null)
{
localName = nameTable.Add(array);
}
string namespaceURI = nameTable.Get(relation.ChildTable.Namespace);
if (namespaceURI == null)
{
namespaceURI = nameTable.Add(relation.ChildTable.Namespace);
}
XmlNodeIdentety identety = new XmlNodeIdentety(localName, namespaceURI);
info.ColumnsSchemaMap[identety] = relation.ChildTable;
}
}
}
}
}
private void HandleSpecialColumn(DataColumn col, XmlNameTable nameTable, XmlNodeIdHashtable columns)
{
string str;
if ('x' == col.ColumnName[0])
{
str = "_x0078_";
}
else
{
str = "_x0058_";
}
str = str + col.ColumnName.Substring(1);
if (nameTable.Get(str) == null)
{
nameTable.Add(str);
}
string namespaceURI = nameTable.Get(col.Namespace);
XmlNodeIdentety identety = new XmlNodeIdentety(str, namespaceURI);
columns[identety] = col;
}
private void BuildIdentityMap(DataTable dataTable, XmlNameTable nameTable)
{
this.tableSchemaMap = new XmlNodeIdHashtable(1);
TableSchemaInfo info = this.AddTableSchema(dataTable, nameTable);
if (info != null)
{
foreach (DataColumn column in dataTable.Columns)
{
if (IsMappedColumn(column))
{
this.AddColumnSchema(column, nameTable, info.ColumnsSchemaMap);
}
}
}
}
// This one is used while reading data with preloaded schema
private void BuildIdentityMap(XmlNameTable nameTable, DataSet dataSet)
{
_tableSchemaMap = new XmlNodeIdHashtable(dataSet.Tables.Count);
// This hash table contains
// tables schemas as TableSchemaInfo objects
// These objects holds reference to the table.
// Hash tables with columns schema maps
// and child tables schema maps
string dsNamespace = nameTable.Get(dataSet.Namespace); // Attept to look up DataSet namespace
// in the name table
if (dsNamespace == null)
{ // Found ?
dsNamespace = nameTable.Add(dataSet.Namespace); // Nope. Add it
}
dataSet._namespaceURI = dsNamespace; // Set a DataSet namespace URI
foreach (DataTable t in dataSet.Tables)
{ // For each table
TableSchemaInfo tableSchemaInfo = AddTableSchema(nameTable, t);
// Add table schema info to hash table
if (tableSchemaInfo != null)
{
foreach (DataColumn c in t.Columns)
{ // Add column schema map
// don't include auto-generated PK, FK and any hidden columns to be part of mapping
if (IsMappedColumn(c))
{ // If mapped column
AddColumnSchema(nameTable, c, tableSchemaInfo.ColumnsSchemaMap);
} // Add it to the map
}
// Add child nested tables to the schema
foreach (DataRelation r in t.ChildRelations)
{ // Do we have a child tables ?
if (r.Nested)
{ // Is it nested?
// don't include non nested tables
// Handle namespaces and names as usuall
string _tableLocalName = XmlConvert.EncodeLocalName(r.ChildTable.TableName);
string tableLocalName = nameTable.Get(_tableLocalName);
if (tableLocalName == null)
{
tableLocalName = nameTable.Add(_tableLocalName);
}
string tableNamespace = nameTable.Get(r.ChildTable.Namespace);
if (tableNamespace == null)
{
tableNamespace = nameTable.Add(r.ChildTable.Namespace);
}
XmlNodeIdentety idTable = new XmlNodeIdentety(tableLocalName, tableNamespace);
tableSchemaInfo.ColumnsSchemaMap[idTable] = r.ChildTable;
}
}
}
}
}
