private static object ReadAConstantValue(RecordInputStream in1)
{
byte grbit = (byte)in1.ReadByte();
switch (grbit)
{
case TYPE_EMPTY:
in1.ReadLong(); // 8 byte 'not used' field
return EMPTY_REPRESENTATION;
case TYPE_NUMBER:
return in1.ReadDouble();
case TYPE_STRING:
return in1.ReadUnicodeString();
case TYPE_bool:
return ReadBoolean(in1);
case TYPE_ERROR_CODE:
int errCode = in1.ReadUShort();
// next 6 bytes are Unused
in1.ReadUShort();
in1.ReadInt();
return ErrorConstant.ValueOf(errCode);
}
throw new Exception("Unknown grbit value (" + grbit + ")");
}
/**
* Constructs a Extern Sheet record and Sets its fields appropriately.
*
* @param id id must be 0x16 or an exception will be throw upon validation
* @param size the size of the data area of the record
* @param data data of the record (should not contain sid/len)
*/
public SupBookRecord(RecordInputStream in1)
{
field_1_number_of_sheets = in1.ReadShort();
if (in1.CurrentLength > SMALL_RECORD_SIZE)
{
// 5.38.1 External References
_isAddInFunctions = false;
field_2_encoded_url = in1.ReadUnicodeString();
UnicodeString[] sheetNames = new UnicodeString[field_1_number_of_sheets];
for (int i = 0; i < sheetNames.Length; i++)
{
sheetNames[i] = in1.ReadUnicodeString();
}
field_3_sheet_names = sheetNames;
return;
}
// else not 'External References'
field_2_encoded_url = null;
field_3_sheet_names = null;
short nextShort = in1.ReadShort();
if (nextShort == TAG_INTERNAL_REFERENCES)
{
// 5.38.2 'Internal References'
_isAddInFunctions = false;
}
else if (nextShort == TAG_Add_IN_FUNCTIONS)
{
// 5.38.3 'Add-In Functions'
_isAddInFunctions = true;
if (field_1_number_of_sheets != 1)
{
throw new Exception("Expected 0x0001 for number of sheets field in 'Add-In Functions' but got ("
+ field_1_number_of_sheets + ")");
}
}
else
{
throw new Exception("invalid EXTERNALBOOK code ("
+ StringUtil.ToHexString(nextShort) + ")");
}
}