public bool Load(MemoryStream _buf_)
{
try {
if (sizeof(int) > _buf_.Length - _buf_.Position)
{
return(false);
}
int item_id_length = BitConverter.ToInt32(_buf_.GetBuffer(), (int)_buf_.Position);
_buf_.Position += sizeof(int);
if (item_id_length > _buf_.Length - _buf_.Position)
{
return(false);
}
byte[] item_id_buf = new byte[item_id_length];
Array.Copy(_buf_.GetBuffer(), (int)_buf_.Position, item_id_buf, 0, item_id_length);
item_id = System.Text.Encoding.UTF8.GetString(item_id_buf);
_buf_.Position += item_id_length;
if (false == ItemType_Serializer.Load(ref item_type, _buf_))
{
return(false);
}
if (sizeof(uint) > _buf_.Length - _buf_.Position)
{
return(false);
}
item_seq = BitConverter.ToUInt32(_buf_.GetBuffer(), (int)_buf_.Position);
_buf_.Position += sizeof(uint);
} catch (System.Exception) {
return(false);
}
return(true);
}
public int Size()
{
int nSize = 0;
try {
nSize += sizeof(int);
if (null != item_id)
{
nSize += Encoding.UTF8.GetByteCount(item_id);
}
nSize += ItemType_Serializer.Size(item_type);
nSize += sizeof(uint);
} catch (System.Exception) {
return(-1);
}
return(nSize);
}
public bool Store(MemoryStream _buf_)
{
try {
if (null != item_id)
{
int item_id_length = Encoding.UTF8.GetByteCount(item_id);
_buf_.Write(BitConverter.GetBytes(item_id_length), 0, sizeof(int));
_buf_.Write(Encoding.UTF8.GetBytes(item_id), 0, item_id_length);
}
else
{
_buf_.Write(BitConverter.GetBytes(0), 0, sizeof(int));
}
if (false == ItemType_Serializer.Store(_buf_, item_type))
{
return(false);
}
_buf_.Write(BitConverter.GetBytes(item_seq), 0, sizeof(uint));
} catch (System.Exception) {
return(false);
}
return(true);
}