public StartHeaderOrder(InputByteArray InputArray)
: base(InputArray, WtdOrder.StartHeader)
{
// at least 3 bytes remaining. ( command code, length byte and length must be from
// 1 to 7.
if (InputArray.RemainingLength < 3)
{
this.Errmsg = "SOH not long enough";
}
if (this.Errmsg == null)
{
var buf2 = InputArray.PeekBytes(2);
this.LengthByte = buf2[1];
// invalid start of header order length.
if ((this.LengthByte < 1) || (this.LengthByte > 7))
{
this.Errmsg = "SOH length not valid";
}
}
if (this.Errmsg == null)
{
int actualOrderLength = CalcActualOrderLength(this.LengthByte);
var buf = InputArray.PeekBytesPad(this.BytesLength, 9, 0x00);
this.FlagByte = buf[2];
this.ReservedByte = buf[3];
this.FirstResponseFieldNumber = buf[4];
this.ErrRow = buf[5];
this.CmdKeySwitches = buf.SubArray(6, 3);
// advance current pos in input array by the actual length of the order.
InputArray.AdvanceIndex(this.BytesLength);
}
}