private void ReadFields(BracketsNode node)
{
var fields = new List <Field>();
for (int i = 1; i < node.Count; i++)
{
var field = new Field();
field.Read(node[i]);
if (field.Type == FieldType.RowVersion)
{
fields.Insert(0, field);
}
else
{
fields.Add(field);
}
MaxRowSize += field.MaxSize;
}
// add "free row" mark length
MaxRowSize++;
// add "short version" data length
if (fields.Count > 0 && fields[0].Type == FieldType.RowVersion && RecordLock)
{
MaxRowSize += 8;
}
Fields = fields.AsReadOnly();
}
internal void Read(BracketsNode node)
{
Name = node[0];
var type = (string)node[1];
Type = type switch
{
"B" => FieldType.Binary,
"L" => FieldType.Logical,
"N" => FieldType.Numeric,
"NC" => FieldType.NChar,
"NVC" => FieldType.NVarChar,
"RV" => FieldType.RowVersion,
"NT" => FieldType.NText,
"I" => FieldType.Image,
"DT" => FieldType.DateTime,
_ => throw new Exception($"{type} is unknown field type"),
};
Nullable = node[2];
Length = node[3];
Precision = node[4];
CaseSensitive = node[5];
CalculateRealSize();
}
private static string GetData(BracketsNode node)
{
var dataType = (string)node[0];
switch (dataType)
{
case "R": // Reference
return(node[1]);
case "U": // Undefined
return("");
case "S": // String
return(node[1]);
case "B": // Boolean
return((string)node[1] == "0" ? "false" : "true");
case "P": // Complex data
var str = new StringBuilder();
var subDataNode = node[1];
//var subDataType = (int)subDataNode[0];
// What's known (subDataNode):
// 1 - additional data of "Authentication (Windows auth) in thin or thick client"
// 2 - additional data of "Authentication in COM connection" event
// 6 - additional data of "Authentication in thin or thick client" event
// 11 - additional data of "Access denied" event
// I hope this is temporarily method
var subDataCount = subDataNode.Count - 1;
if (subDataCount > 0)
{
for (var i = 1; i <= subDataCount; i++)
{
var value = GetData(subDataNode[i]);
if (value != string.Empty)
{
str.AppendLine($"Item {i}: {value}");
}
}
}
return(str.ToString());
default:
return("");
}
}
internal void Read(BracketsNode node)
{
var fields = new List <IndexField>();
Name = (string)node[0];
for (int i = 2; i < node.Count; i++)
{
var indexField = new IndexField();
indexField.Read(node[i]);
fields.Add(indexField);
}
Fields = fields.AsReadOnly();
}
private void ReadIndexes(BracketsNode node)
{
var indexes = new List <Index>();
if (node.Count > 1)
{
for (int i = 1; i < node.Count; i++)
{
var index = new Index();
index.Read(node[i]);
indexes.Add(index);
}
}
Indexes = indexes.AsReadOnly();
}
internal Table(FileDatabaseStream stream, BracketsNode node)
{
Name = node[0];
for (int i = 2; i < node.Count; i++)
{
var currentNode = node[i];
string nodeName = currentNode[0];
switch (nodeName)
{
case "Fields":
ReadFields(currentNode);
break;
case "Indexes":
ReadIndexes(currentNode);
break;
case "Recordlock":
RecordLock = currentNode[1];
break;
case "Files":
DataFilePage = currentNode[1];
UnlimitedLengthDataFilePage = currentNode[2];
IndexFilePage = currentNode[3];
break;
default:
throw new Exception($"{nodeName} is unknown table description node");
}
}
Rows = new TableRows(stream, this);
}
internal void Read(BracketsNode node)
{
Name = node[0];
Length = node[1];
}