internal void Serialize(MySqlPacket packet, bool binary, MySqlConnectionStringBuilder settings)
{
if (!binary && (paramValue == null || paramValue == DBNull.Value))
packet.WriteStringNoNull("NULL");
else
{
if (ValueObject.MySqlDbType == MySqlDbType.Guid)
{
MySqlGuid g = (MySqlGuid)ValueObject;
g.OldGuids = settings.OldGuids;
valueObject = g;
}
ValueObject.WriteValue(packet, binary, paramValue, size);
}
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
byte[] buffToWrite = (val as byte[]);
if (buffToWrite == null)
{
char[] valAsChar = (val as Char[]);
if (valAsChar != null)
buffToWrite = packet.Encoding.GetBytes(valAsChar);
else
{
string s = val.ToString();
if (length == 0)
length = s.Length;
else
s = s.Substring(0, length);
buffToWrite = packet.Encoding.GetBytes(s);
}
}
// we assume zero length means write all of the value
if (length == 0)
length = buffToWrite.Length;
if (buffToWrite == null)
throw new MySqlException("Only byte arrays and strings can be serialized by MySqlBinary");
if (binary)
{
packet.WriteLength(length);
packet.Write(buffToWrite, 0, length);
}
else
{
packet.WriteStringNoNull("_binary ");
packet.WriteByte((byte)'\'');
EscapeByteArray(buffToWrite, length, packet);
packet.WriteByte((byte)'\'');
}
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
Single v = (val is Single) ? (Single)val : Convert.ToSingle(val);
if (binary)
packet.Write(BitConverter.GetBytes(v));
else
packet.WriteStringNoNull(v.ToString("R",
CultureInfo.InvariantCulture));
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
int v = (val is Int32) ? (int)val : Convert.ToInt32(val);
if (binary)
packet.WriteInteger((long)v, 2);
else
packet.WriteStringNoNull(v.ToString());
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object v, int length)
{
uint val = (v is uint) ? (uint)v : Convert.ToUInt32(v);
if (binary)
packet.WriteInteger((long)val, is24Bit ? 3 : 4);
else
packet.WriteStringNoNull(val.ToString());
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
Guid guid = Guid.Empty;
string valAsString = val as string;
byte[] valAsByte = val as byte[];
if (val is Guid)
guid = (Guid)val;
else
{
try
{
if (valAsString != null)
guid = new Guid(valAsString);
else if (valAsByte != null)
guid = new Guid(valAsByte);
}
catch (Exception ex)
{
throw new MySqlException(Resources.DataNotInSupportedFormat, ex);
}
}
if (OldGuids)
WriteOldGuid(packet, guid, binary);
else
{
guid.ToString("D");
if (binary)
packet.WriteLenString(guid.ToString("D"));
else
packet.WriteStringNoNull("'" + MySqlHelper.EscapeString(guid.ToString("D")) + "'");
}
}
private void WriteOldGuid(MySqlPacket packet, Guid guid, bool binary)
{
byte[] bytes = guid.ToByteArray();
if (binary)
{
packet.WriteLength(bytes.Length);
packet.Write(bytes);
}
else
{
packet.WriteStringNoNull("_binary ");
packet.WriteByte((byte)'\'');
EscapeByteArray(bytes, bytes.Length, packet);
packet.WriteByte((byte)'\'');
}
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
if (!(val is TimeSpan))
throw new MySqlException("Only TimeSpan objects can be serialized by MySqlTimeSpan");
TimeSpan ts = (TimeSpan)val;
bool negative = ts.TotalMilliseconds < 0;
ts = ts.Duration();
if (binary)
{
if (ts.Milliseconds > 0)
packet.WriteByte(12);
else
packet.WriteByte(8);
packet.WriteByte((byte)(negative ? 1 : 0));
packet.WriteInteger(ts.Days, 4);
packet.WriteByte((byte)ts.Hours);
packet.WriteByte((byte)ts.Minutes);
packet.WriteByte((byte)ts.Seconds);
if (ts.Milliseconds > 0)
{
long mval = ts.Milliseconds*1000;
packet.WriteInteger(mval, 4);
}
}
else
{
String s = String.Format("'{0}{1} {2:00}:{3:00}:{4:00}.{5}'",
negative ? "-" : "", ts.Days, ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds);
packet.WriteStringNoNull(s);
}
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
ulong v = (val is ulong) ? (ulong)val : Convert.ToUInt64(val);
if (binary)
packet.WriteInteger((long)v, 8);
else
packet.WriteStringNoNull(v.ToString());
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
byte v = (val is byte) ? (byte)val : Convert.ToByte(val);
if (binary)
packet.WriteByte(v);
else
packet.WriteStringNoNull(v.ToString());
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
string v = val.ToString();
if (length > 0)
{
length = Math.Min(length, v.Length);
v = v.Substring(0, length);
}
if (binary)
packet.WriteLenString(v);
else
packet.WriteStringNoNull("'" + MySqlHelper.EscapeString(v) + "'");
}
void IMySqlValue.WriteValue(MySqlPacket packet, bool binary, object val, int length)
{
decimal v = (val is decimal) ? (decimal)val : Convert.ToDecimal(val);
string valStr = v.ToString(CultureInfo.InvariantCulture);
if (binary)
packet.WriteLenString(valStr);
else
packet.WriteStringNoNull(valStr);
}
private void SerializeText(MySqlPacket packet, MySqlDateTime value)
{
string val = String.Empty;
val = String.Format("{0:0000}-{1:00}-{2:00}",
value.Year, value.Month, value.Day);
if (type != MySqlDbType.Date)
{
val = value.Millisecond > 0 ? String.Format("{0} {1:00}:{2:00}:{3:00}.{4:000}", val,
value.Hour, value.Minute, value.Second, value.Millisecond) : String.Format("{0} {1:00}:{2:00}:{3:00} ", val,
value.Hour, value.Minute, value.Second);
}
packet.WriteStringNoNull("'" + val + "'");
}
public void WriteValue(MySqlPacket packet, bool binary, object value, int length)
{
ulong v = (value is UInt64) ? (UInt64)value : Convert.ToUInt64(value);
if (binary)
packet.WriteInteger((long)v, 8);
else
packet.WriteStringNoNull(v.ToString());
}
