public static CharacterSet GetChararcterSet(DBVersion version, string CharSetName)
{
CharacterSet cs = (CharacterSet)mapping[CharSetName];
if (cs == null)
{
throw new MySqlException("Character set '" + CharSetName + "' is not supported");
}
return(cs);
}
/// <summary>
/// Returns the text encoding for a given MySQL character set name
/// </summary>
/// <param name="version">Version of the connection requesting the encoding</param>
/// <param name="CharSetName">Name of the character set to get the encoding for</param>
/// <returns>Encoding object for the given character set name</returns>
public static Encoding GetEncoding(DBVersion version, string CharSetName)
{
try
{
CharacterSet cs = GetCharacterSet(version, CharSetName);
return(Encoding.GetEncoding(cs.name));
}
catch (NotSupportedException)
{
return(Encoding.GetEncoding("utf-8"));
}
}
public static CharacterSet GetCharacterSet(DBVersion version, string CharSetName)
{
CharacterSet cs = null;
if (mapping.ContainsKey(CharSetName))
{
cs = (CharacterSet)mapping[CharSetName];
}
if (cs == null)
{
throw new MySqlException("Character set '" + CharSetName + "' is not supported by .Net Framework.");
}
return(cs);
}
private MySqlField GetFieldMetaData41()
{
MySqlField field = new MySqlField(connection);
stream.OpenPacket();
field.Encoding = encoding;
field.CatalogName = stream.ReadLenString();
field.DatabaseName = stream.ReadLenString();
field.TableName = stream.ReadLenString();
field.RealTableName = stream.ReadLenString();
field.ColumnName = stream.ReadLenString();
field.OriginalColumnName = stream.ReadLenString();
stream.ReadByte();
field.CharacterSetIndex = stream.ReadInteger(2);
field.ColumnLength = stream.ReadInteger(4);
MySqlDbType type = (MySqlDbType)stream.ReadByte();
ColumnFlags colFlags;
if ((Flags & ClientFlags.LONG_FLAG) != 0)
{
colFlags = (ColumnFlags)stream.ReadInteger(2);
}
else
{
colFlags = (ColumnFlags)stream.ReadByte();
}
field.SetTypeAndFlags(type, colFlags);
field.Scale = (byte)stream.ReadByte();
if (stream.HasMoreData)
{
stream.ReadInteger(2); // reserved
}
if (charSets != null && field.CharacterSetIndex != -1)
{
CharacterSet cs = CharSetMap.GetChararcterSet(Version, (string)charSets[field.CharacterSetIndex]);
field.MaxLength = cs.byteCount;
field.Encoding = CharSetMap.GetEncoding(version, (string)charSets[field.CharacterSetIndex]);
}
return(field);
}
private void SetFieldEncoding()
{
Dictionary <int, string> charSets = driver.CharacterSets;
DBVersion version = driver.Version;
if (charSets == null || charSets.Count == 0 || CharacterSetIndex == -1)
{
return;
}
if (charSets[CharacterSetIndex] == null)
{
return;
}
CharacterSet cs = CharSetMap.GetCharacterSet(version, (string)charSets[CharacterSetIndex]);
MaxLength = cs.byteCount;
Encoding = CharSetMap.GetEncoding(version, (string)charSets[CharacterSetIndex]);
}
