/// <summary>
///
/// </summary>
/// <param name="Value"></param>
/// <param name="Affinity"></param>
/// <returns></returns>
public static Cell Parse(string Value, CellAffinity Affinity)
{
if (Affinity == CellAffinity.VARIANT)
{
throw new Exception("The variant affinity is invalid");
}
if (Value == null || string.Compare(Cell.NULL_STRING_TEXT, Value, true) == 0)
{
return(CellValues.Null(Affinity));
}
switch (Affinity)
{
case CellAffinity.BOOL:
return(ParseBOOL(Value));
case CellAffinity.DATE_TIME:
return(ParseDATE(Value));
case CellAffinity.BYTE:
return(ParseBYTE(Value));
case CellAffinity.SHORT:
return(ParseSHORT(Value));
case CellAffinity.INT:
return(ParseINT(Value));
case CellAffinity.LONG:
return(ParseLONG(Value));
case CellAffinity.SINGLE:
return(ParseSINGLE(Value));
case CellAffinity.DOUBLE:
return(ParseDOUBLE(Value));
case CellAffinity.BINARY:
return(ParseBINARY(Value));
case CellAffinity.BSTRING:
return(ParseBSTRING(Value));
case CellAffinity.CSTRING:
return(ParseCSTRING(Value));
}
throw new Exception(string.Format("Affinity '{0}' is invalid", Affinity));
}
/// <summary>
/// Reads a cell form a buffer
/// </summary>
/// <param name="Buffer">The memory buffer</param>
/// <param name="Location">The location to read from</param>
/// <param name="NewLocation">Outputs the new location</param>
/// <returns></returns>
public static int Read(byte[] Buffer, int Location, out Cell Value)
{
// Get the meta data //
byte m = Buffer[Location];
Location++;
CellAffinity a = m < 100 ? (CellAffinity)m : (CellAffinity)(m - 100);
if (m >= 100)
{
Value = CellValues.Null(a);
return(Location);
}
Cell C = new Cell(a);
C.NULL = 0;
// Booleans //
if (a == CellAffinity.BOOL)
{
C.BOOL = (Buffer[Location] == 1);
Location++;
}
else if (a == CellAffinity.BYTE)
{
C.BYTE = Buffer[Location];
Location++;
}
else if (a == CellAffinity.SHORT)
{
C.B0 = Buffer[Location];
C.B1 = Buffer[Location + 1];
Location += 2;
}
else if (a == CellAffinity.INT || a == CellAffinity.SINGLE)
{
C.B0 = Buffer[Location];
C.B1 = Buffer[Location + 1];
C.B2 = Buffer[Location + 2];
C.B3 = Buffer[Location + 3];
Location += 4;
}
else if (a == CellAffinity.LONG || a == CellAffinity.DOUBLE || a == CellAffinity.DATE_TIME)
{
C.B0 = Buffer[Location];
C.B1 = Buffer[Location + 1];
C.B2 = Buffer[Location + 2];
C.B3 = Buffer[Location + 3];
C.B4 = Buffer[Location + 4];
C.B5 = Buffer[Location + 5];
C.B6 = Buffer[Location + 6];
C.B7 = Buffer[Location + 7];
Location += 8;
}
else if (a == CellAffinity.BSTRING || a == CellAffinity.BINARY)
{
C.B0 = Buffer[Location];
C.B1 = Buffer[Location + 1];
Location += 2;
byte[] b = new byte[C.SHORT];
for (int i = 0; i < C.SHORT; i++)
{
b[i] = Buffer[Location + i];
}
Location += C.SHORT;
if (a == CellAffinity.BINARY)
{
C.BINARY = b;
}
else
{
C.BSTRING = new BString(b);
}
}
else if (a == CellAffinity.CSTRING || a == CellAffinity.TREF)
{
C.B0 = Buffer[Location];
C.B1 = Buffer[Location + 1];
Location += 2;
byte[] b = new byte[(int)C.SHORT * 2];
for (int i = 0; i < (int)C.SHORT * 2; i++)
{
b[i] = Buffer[Location + i];
}
Location += (int)C.SHORT * 2;
C.CSTRING = System.Text.ASCIIEncoding.Unicode.GetString(b);
}
else if (a == CellAffinity.ARRAY)
{
C.B0 = Buffer[Location];
C.B1 = Buffer[Location + 1];
Location += 2;
CellArray x = new CellArray();
if (C.SHORT == -1)
{
x = CellArray.MinimumArray;
}
else if (C.SHORT == -2)
{
x = CellArray.MximumArray;
}
else
{
for (int i = 0; i < (int)C.SHORT; i++)
{
Cell c;
Location = Read(Buffer, Location, out c);
x.Append(c);
}
}
C.ARRAY = x;
}
Value = C;
return(Location);
}