示例#1
0
        public bool GetFixedSize(ref int size)
        {
            if (size < 0)
            {
                return(false);
            }

            if (_data.Length == 0)
            {
                return(true);
            }

            // Sensible?
            size = ProtocolInformation.Padded(size, Alignment);

            if (_data.Length == 1)
            {
                int valueSize = GetSize(this[0]);

                if (valueSize == -1)
                {
                    return(false);
                }

                size += valueSize;
                return(true);
            }

            if (IsStructlike)
            {
                foreach (Signature sig in GetParts())
                {
                    if (!sig.GetFixedSize(ref size))
                    {
                        return(false);
                    }
                }
                return(true);
            }

            if (IsArray || IsDict)
            {
                return(false);
            }

            if (IsStruct)
            {
                foreach (Signature sig in GetFieldSignatures())
                {
                    if (!sig.GetFixedSize(ref size))
                    {
                        return(false);
                    }
                }
                return(true);
            }

            // Any other cases?
            throw new Exception();
        }
示例#2
0
 public void ReadPad(int alignment)
 {
     for (int endPos = ProtocolInformation.Padded(_pos, alignment); _pos != endPos; _pos++)
     {
         if (_data.Array[_data.Offset + _pos] != 0)
         {
             throw new ProtocolException("Read non-zero byte at position " + _pos + " while expecting padding. Value given: " + _data.Array[_data.Offset + _pos]);
         }
     }
 }