///////////////////////////////////////////////////////////////////////
public static void SerializeDataTable(BinaryTypesWriter bw, DataTable table)
{
Type[] columnTypes = new Type[table.Columns.Count];
//write table name
bw.Write(table.TableName);
//write columns count
bw.Write7BitInt(table.Columns.Count);
for (int i = 0; i < columnTypes.Length; i++)
{
//write column name and type
bw.Write(table.Columns[i].ColumnName);
bw.Write(table.Columns[i].DataType.FullName);
columnTypes[i] = table.Columns[i].DataType;
}
//write rows count
bw.Write7BitInt(table.Rows.Count);
foreach (DataRow row in table.Rows)
{
for (int i = 0; i < columnTypes.Length; i++)
{
if (row.IsNull(i))
{
bw.Write("");
continue;
}
if (columnTypes[i] == typeof(System.String))
{
bw.Write((string)row[i]);
}
else if (columnTypes[i] == typeof(System.Int32))
{
bw.Write7BitInt((int)row[i]);
}
else if (columnTypes[i] == typeof(System.Int64))
{
bw.Write7BitLong((long)row[i]);
}
else if (columnTypes[i] == typeof(System.Decimal))
{
bw.WriteCompactDecimal((decimal)row[i]);
}
else if (columnTypes[i] == typeof(System.DateTime))
{
bw.WriteCompactDateTime((DateTime)row[i], TimeSpan.TicksPerMillisecond * 100);
}
else if (columnTypes[i] == typeof(bool))
{
bw.Write((bool)row[i]);
}
}
}
}
public static void WriteEnum <T>(BinaryTypesWriter bw, T val, object objParam) where T : IConvertible
{
bw.Write7BitLong((long)Convert.ChangeType(val, typeof(long)));
}
public static void WriteLong(BinaryTypesWriter bw, long val, object objParam)
{
bw.Write7BitLong(val);
}
private static void SerializeObject <T>(T value, BinaryTypesWriter bw)
{
var type = value.GetType();
if (type.IsPrimitive)
{
switch (type.FullName)
{
case SystemTypeDefs.FullNameBoolean:
case SystemTypeDefs.FullNameByte:
case SystemTypeDefs.FullNameSByte:
case SystemTypeDefs.FullNameInt16:
case SystemTypeDefs.FullNameUInt16:
case SystemTypeDefs.FullNameInt32:
case SystemTypeDefs.FullNameUInt32:
case SystemTypeDefs.FullNameInt64:
case SystemTypeDefs.FullNameUInt64:
case SystemTypeDefs.FullNameChar:
{
var val = Convert.ChangeType(value, typeof(long));
bw.Write7BitLong((long)val);
break;
}
case SystemTypeDefs.FullNameSingle: // todo: compact
bw.Write((float)(object)value);
break;
case SystemTypeDefs.FullNameDouble: // todo: compact
bw.Write((double)(object)value);
break;
}
return;
}
if (type.FullName == SystemTypeDefs.FullNameDecimal)
{
bw.WriteCompactDecimal((decimal)(object)value);
return;
}
if (type.IsEnum)
{
bw.Write7BitLong((int)(object)value);
return;
}
if (type.IsValueType)
{
switch (type.FullName)
{
case SystemTypeDefs.FullNameDateTime:
bw.Write7BitLong(((DateTime)(object)value).Ticks);
break;
}
return;
}
if (type.IsClass)
{
switch (type.FullName)
{
case SystemTypeDefs.FullNameString:
bw.Write((string)(object)value);
break;
default:
SerializeClass((object)value, bw);
break;
}
return;
}
}