/**
* Writes the ptgs to the data buffer, starting at the specified offset.
*
* <br/>
* The 2 byte encode Length field is <b>not</b> written by this method.
* @return number of bytes written
*/
public static int SerializePtgs(Ptg[] ptgs, byte[] array, int offset)
{
int size = ptgs.Length;
LittleEndianByteArrayOutputStream out1 = new LittleEndianByteArrayOutputStream(array, offset);
ArrayList arrayPtgs = null;
for (int k = 0; k < size; k++)
{
Ptg ptg = ptgs[k];
ptg.Write(out1);
if (ptg is ArrayPtg)
{
if (arrayPtgs == null)
{
arrayPtgs = new ArrayList(5);
}
arrayPtgs.Add(ptg);
}
}
if (arrayPtgs != null)
{
for (int i = 0; i < arrayPtgs.Count; i++)
{
ArrayPtg p = (ArrayPtg)arrayPtgs[i];
p.WriteTokenValueBytes(out1);
}
}
return(out1.WriteIndex - offset);;
}
/**
* Read in the actual token (array) values. This occurs
* AFTER the last Ptg in the expression.
* See page 304-305 of Excel97-2007BinaryFileFormat(xls)Specification.pdf
*/
public ArrayPtg FinishReading(ILittleEndianInput in1)
{
int nColumns = in1.ReadUByte();
short nRows = in1.ReadShort();
//The token_1_columns and token_2_rows do not follow the documentation.
//The number of physical rows and columns is actually +1 of these values.
//Which is not explicitly documented.
nColumns++;
nRows++;
int totalCount = nRows * nColumns;
Object[] arrayValues = ConstantValueParser.Parse(in1, totalCount);
ArrayPtg result = new ArrayPtg(_reserved0, _reserved1, _reserved2, nColumns, nRows, arrayValues);
result.PtgClass = PtgClass;
return(result);
}