public bool Write(ref Buffer buffer)
{
if (!buffer.HasSpace(Size))
{
return(false);
}
buffer.WriteBytes <byte>((byte)DataType.DATA_ARRAY);
buffer.WriteBytes(name);
buffer.WriteBytes <byte>((byte)dataType);
buffer.WriteBytes <uint>(count);
uint s;
if (dataType != DataType.DATA_STRING)
{
s = SizeOf(dataType) * count;
}
else
{
s = size;
}
buffer.Copy(data, s);
return(true);
}
public bool Write(ref Buffer buffer)
{
if (!buffer.HasSpace((uint)Size))
{
return(false);
}
buffer.WriteBytes <ushort>((ushort)version);
if (version == Global.Version.VERSION_INVALID)
{
throw new ArgumentOutOfRangeException("version", "Invalid database version!");
}
switch (version)
{
case Global.Version.VERSION_1_0:
if (Objects.Count > 65536)
{
throw new OverflowException("Too many objects!");
}
if (this.Size > 4294967296)
{
throw new OverflowException("Database size is too big!"); // 2^32, maximum database size
}
buffer.WriteBytes(name);
buffer.WriteBytes <uint>((uint)Size);
buffer.WriteBytes <ushort>((ushort)Objects.Count);
foreach (Object obj in Objects)
{
obj.Write(ref buffer);
}
break;
case Global.Version.VERSION_2_0:
if (Objects.Count > 65536)
{
throw new OverflowException("Too many objects!");
}
if (this.Size > 4294967296)
{
throw new OverflowException("Database size is too big!"); // 2^32, maximum database size
}
uint size = (uint)this.Size - sizeof(short) - sizeof(short) - (uint)name.Length - sizeof(uint);
Buffer tempBuffer = new Buffer(size);
buffer.WriteBytes(name);
tempBuffer.WriteBytes((uint)this.Size);
tempBuffer.WriteBytes((ushort)Objects.Count);
foreach (Object obj in Objects)
{
obj.Write(ref tempBuffer);
}
uint checksum = crc32(tempBuffer.Data, size);
buffer.WriteBytes(checksum);
buffer.Copy(ref tempBuffer);
break;
default:
throw new ArgumentOutOfRangeException("version", "Invalid database version!");
}
return(true);
}
