/// <summary>
/// DataTable拆包
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public unsafe static DataTable Get(dataTable value)
{
if (value == null)
{
return(null);
}
DataTable table = new DataTable(value.name);
try
{
if (value.rowCount != 0)
{
fixed(byte *dataFixed = value.data.Data)
{
dataReader builder = new dataReader(dataFixed, value.data.Strings, value.data.Bytes);
value.get(table, builder);
}
}
return(table);
}
catch (Exception error)
{
table.Dispose();
log.Error.Add(error, null, false);
}
return(null);
}
/// <summary>
/// DataTable拆包
/// </summary>
/// <param name="table"></param>
/// <param name="builder">数据对象拆包器</param>
private unsafe void get(DataTable table, dataReader builder)
{
int index = 0;
DataColumn[] columns = new DataColumn[columnNames.Length];
fixed(byte *columnFixed = columnTypes)
{
byte *columnIndex = columnFixed;
foreach (string columnName in columnNames)
{
columns[index++] = new DataColumn(columnName, *columnIndex < types.Length ? types[*columnIndex] : typeof(object));
++columnIndex;
}
table.Columns.AddRange(columns);
fixed(byte *nullFixed = dbNull)
{
fixedMap nullMap = new fixedMap(nullFixed);
for (index = 0; rowCount != 0; --rowCount)
{
object[] values = new object[columnNames.Length];
columnIndex = columnFixed;
for (int valueIndex = 0; valueIndex != columnNames.Length; ++valueIndex)
{
values[valueIndex] = nullMap.Get(index++) ? DBNull.Value : builder.Get(*columnIndex);
++columnIndex;
}
DataRow row = table.NewRow();
row.ItemArray = values;
table.Rows.Add(row);
}
}
}
}
/// <summary>
/// DataSet拆包
/// </summary>
/// <param name="set"></param>
private unsafe void set(DataSet set)
{
if (tables.length() != 0)
{
fixed(byte *dataFixed = data.Data)
{
dataReader builder = new dataReader(dataFixed, data.Strings, data.Bytes);
foreach (dataTable table in tables)
{
set.Tables.Add(table.Get(builder));
}
}
}
}
/// <summary>
/// DataTable拆包
/// </summary>
/// <param name="builder">数据对象拆包器</param>
/// <returns></returns>
internal DataTable Get(dataReader builder)
{
DataTable table = new DataTable(name);
if (rowCount != 0)
{
try
{
get(table, builder);
}
catch (Exception error)
{
table.Dispose();
table = null;
log.Error.Add(error, null, false);
}
}
return(table);
}
