| private _writeHeader ( byte tagNumber, ApplicationTag defaultTag, byte lvt ) : void | ||
| tagNumber | byte | The tag number of the header, or 255 for an application tag |
| defaultTag | ApplicationTag | The default application tag if the tag number is 255 |
| lvt | byte | The 3-bit Length/Value/Type value |
| return | void | |
private void _writeHeader(byte tagNumber, ApplicationTag defaultTag, byte lvt)
{
bool context = (tagNumber != 255);
byte tag = (context ? tagNumber : (byte)defaultTag);
byte header = 0x00;
if (tag >= 0x0F)
header |= 0xF0;
else
header |= (byte)(tag << 4);
if (context)
header |= 0x08;
header |= lvt;
_writer.Write(header);
if (tag >= 0x0F)
_writer.Write(tag);
}