/*
Plugin of Miranda IM for communicating with users of the AIM protocol.
Copyright (c) 2008-2009 Boris Krasnovskiy
Copyright (C) 2005-2006 Aaron Myles Landwehr

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TLV_H
#define TLV_H

#include "packets.h"

#define TLV_HEADER_SIZE	4

class TLV
{
private:
	unsigned short type_;
	unsigned short length_;
	char* value_;
public:
	TLV(char* buf);
	TLV(unsigned short type, unsigned short length, const char* value);
	~TLV();

	int cmp(unsigned short type) { return type_ == type; }
	unsigned short len(void) { return length_; }
	char* val(void) { return value_; }

	char* part(int pos, int length);
	char* dup(void) { return part(0, length_); };
	char* dupw(void);

	unsigned short whole(char* buf);
	unsigned short ushort(int pos=0);
	unsigned long ulong(int pos=0);
	unsigned __int64 u64(int pos=0);
	unsigned char ubyte(int pos=0);
};

#endif
