public override object Decode(ArraySegment <byte> bytes, DbfMemo memo)
{
int index;
// Memo fields of 5+ bytes in length store their index in text, e.g. " 39394"
// Memo fields of 4 bytes store their index as an int.
if (bytes.Count > 4)
{
string text = Encoding.ASCII.GetString(bytes.Array, bytes.Offset, bytes.Count).Trim();
if (text.Length == 0)
{
return(null);
}
index = Convert.ToInt32(text);
}
else
{
index = BitConverter.ToInt32(bytes.Array, bytes.Offset);
if (index == 0)
{
return(null);
}
}
return(memo.GetMemo(index));
}
public override object Decode(ArraySegment <byte> bytes, DbfMemo memo)
{
string text = Encoding.GetString(bytes.Array, bytes.Offset, bytes.Count).Trim();
if (text.Length == 0)
{
return(null);
}
return(DateTime.ParseExact(text, "yyyyMMdd", CultureInfo.InvariantCulture));
}
public override object Decode(ArraySegment <byte> bytes, DbfMemo memo)
{
string text = Encoding.GetString(bytes.Array, bytes.Offset, bytes.Count).Trim().ToUpper();
if (text == "?")
{
return(null);
}
return(text == "Y" || text == "T");
}
public override object Decode(ArraySegment <byte> bytes, DbfMemo memo)
{
string text = Encoding.GetString(bytes.Array, bytes.Offset, bytes.Count).Trim();
if (text.Length == 0)
{
return(null);
}
return(Convert.ToSingle(text, CultureInfo.InvariantCulture));
}
public override object Decode(ArraySegment <byte> bytes, DbfMemo memo)
{
return(ConvertFoxProToDateTime(bytes));
}
public abstract object Decode(ArraySegment <byte> bytes, DbfMemo memo);
public override object Decode(ArraySegment <byte> bytes, DbfMemo memo)
{
string text = Encoding.GetString(bytes.Array, bytes.Offset, bytes.Count).Trim();
return(text.Length == 0 ? null : text);
}
public override object Decode(ArraySegment <byte> bytes, DbfMemo memo)
{
return(bytes.Array[bytes.Offset]);
}
public override object Decode(ArraySegment <byte> bytes, DbfMemo memo)
{
return(BitConverter.ToInt32(bytes.Array, bytes.Offset));
}
