wireshark/text2pcap-scanner.l

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/* -*-mode: flex-*- */
%{
/********************************************************************************
*
* text2pcap-scanner.l
*
* Utility to convert an ASCII hexdump into a libpcap-format capture file
*
* (c) Copyright 2001 Ashok Narayanan <ashokn@cisco.com>
*
* $Id: text2pcap-scanner.l,v 1.3 2001/11/24 09:46:28 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
*
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "text2pcap.h"
%}
hexdigit [0-9A-Fa-f]
directive #TEXT2PCAP.*
comment #[^W].*
byte [0-9A-Fa-f][0-9A-Fa-f][ \t]
byte_eol [0-9A-Fa-f][0-9A-Fa-f]\n
offset [0-9A-Fa-f]+[: \t]
offset_eol [0-9A-Fa-f]+\n
text [^ \n\t]+
mailfwd >
eol \r?\n\r?
%%
{byte} { parse_token(T_BYTE, yytext); }
{byte_eol} { parse_token(T_BYTE, yytext); parse_token(T_EOL, NULL); }
{offset} { parse_token(T_OFFSET, yytext); }
{offset_eol} { parse_token(T_OFFSET, yytext); parse_token(T_EOL, NULL); }
{mailfwd}{offset} { parse_token(T_OFFSET, yytext+1); }
{eol} { parse_token(T_EOL, NULL); }
[ \t] ; /* ignore whitespace */
{directive} { parse_token(T_DIRECTIVE, yytext); }
{comment} ; /* ignore comments */
{text} { parse_token(T_TEXT, yytext); }
%%
int yywrap()
{
return 1;
}