public bool Read(BinaryReader br)
{
u8 prefix = br.ReadByte();
if (prefix != PREFIX_SIZE)
{
return(false);
}
EncodedInt encSize = new EncodedInt();
encSize.Read(br);
u32 size_expected = encSize.Value;
u32 size_read = 0;
bool reading_items = false;
prefix = br.ReadByte();
size_read++;
switch (prefix)
{
case PREFIX_ITEM_ID:
reading_items = true;
break;
case PREFIX_CLIENT_KEY:
break;
default:
return(false);
}
if (reading_items)
{
EncodedInt encId = new EncodedInt();
encId.Read(br);
item_id = encId.Value;
size_read += encId.Length();
if (size_read == size_expected)
{
return(true);
}
prefix = br.ReadByte();
size_read++;
if (prefix != PREFIX_ITEM_NAME)
{
return(false);
}
}
EncodedInt encName = new EncodedInt();
encName.Read(br);
name = DecodeString(br, encName.Value);
size_read += encName.Value + encName.Length();
if (size_read == size_expected)
{
return(true);
}
prefix = br.ReadByte();
size_read++;
if (reading_items)
{
if (prefix != PREFIX_ITEM_VALUE)
{
return(false);
}
}
else if (prefix != PREFIX_CLIENT_VAL)
{
return(false);
}
EncodedInt encValue = new EncodedInt();
encValue.Read(br);
value = DecodeString(br, encValue.Value);
size_read += encValue.Value + encValue.Length();;
if (size_read != size_expected)
{
return(false);
}
return(true);
}
public bool Write(BinaryWriter bw)
{
byte[] name_encoded = EncodeString(name);
byte[] value_encoded = EncodeString(value);
EncodedInt encName = new EncodedInt((u32)name_encoded.Length);
EncodedInt encValue = new EncodedInt((u32)value_encoded.Length);
u32 total_size = 0;
EncodedInt encItem = null;
if (item_id != 0)
{
encItem = new EncodedInt(item_id);
total_size += 1 + encItem.Length();
}
if (encName.Value > 0)
{
total_size += 1 + encName.Length() + encName.Value;
}
if (encValue.Value > 0)
{
total_size += 1 + encValue.Length() + encValue.Value;
}
// write total size
EncodedInt encTotal = new EncodedInt(total_size);
bw.Write(PREFIX_SIZE);
encTotal.Write(bw);
if (encItem != null)
{
// write item_id
bw.Write(PREFIX_ITEM_ID);
encItem.Write(bw);
// write name
if (encName.Value > 0)
{
bw.Write(PREFIX_ITEM_NAME);
encName.Write(bw);
bw.Write(name_encoded, 0, name_encoded.Length);
}
// write value
if (encValue.Value > 0)
{
bw.Write(PREFIX_ITEM_VALUE);
encValue.Write(bw);
bw.Write(value_encoded, 0, value_encoded.Length);
}
}
else
{
// write name
if (encName.Value > 0)
{
bw.Write(PREFIX_CLIENT_KEY);
encName.Write(bw);
bw.Write(name_encoded, 0, name_encoded.Length);
}
// write value
if (encValue.Value > 0)
{
bw.Write(PREFIX_CLIENT_VAL);
encValue.Write(bw);
bw.Write(value_encoded, 0, value_encoded.Length);
}
}
return(true);
}
