petidomo/acl-scanner.l

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%{
/*
* Copyright (c) 1995-2006 Peter Simons <simons@cryp.to>
* Copyright (c) 2000-2001 Cable & Wireless GmbH
* Copyright (c) 1999-2000 CyberSolutions GmbH
*
* 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.
*/
#include <ctype.h>
#include "acl-parser.h"
%}
%option 8bit
%option batch
%option case-insensitive
%option nodefault
%option nounput
%option outfile="lex.yy.c"
%option prefix="acl_"
%option warn
%option noyywrap
%%
^[ \t]*#.*$ /* ignore comments */
[ \t] /* ignore whitespace */
\n yylineno++;
if return TOK_IF;
= return TOK_EQUAL;
== return TOK_EQUAL;
from return TOK_FROM;
subject return TOK_SUBJECT;
envelope return TOK_ENVELOPE;
header return TOK_HEADER;
body return TOK_BODY;
and return TOK_AND;
or return TOK_OR;
not return TOK_NOT;
then return TOK_THEN;
match(es)? return TOK_MATCH;
\"[^\"]*\" {
yytext[yyleng-1] = '\0';
yytext++;
yyleng -= 2;
return TOK_STRING;
}
drop return TOK_DROP;
pass return TOK_PASS;
approve return TOK_APPROVE;
redirect return TOK_REDIRECT;
forward return TOK_FORWARD;
reject return TOK_REJECT;
rejectwith return TOK_REJECTWITH;
filter return TOK_FILTER;
. { acl_lval = acl_text[0]; return acl_lval; } /* literal */
%%
void acl_reset_lexer()
{
BEGIN(INITIAL);
}