[apple/mdnsresponder.git] / mDNSShared / dnsextd_lexer.l

/* -*- Mode: C; tab-width: 4 -*-
 *
 * Copyright (c) 2006-2011 Apple Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

%{
#include <string.h>
#include <stdio.h>
#include "dnsextd_parser.h"


extern YYSTYPE yylval;

#define YY_NO_INPUT 1
int  yylex(void);

static char*
StripQuotes
	(
	const char * string
	)
{
	char * dup;

	dup = strdup( string + 1);

	dup[ strlen( dup ) - 1 ] = '\0';

	return dup;
}


%}

%option nounput
%%

options								return OPTIONS;
listen-on							return LISTEN_ON;
nameserver							return NAMESERVER;
port								return PORT;
address								return ADDRESS;
llq									return LLQ;
public								return PUBLIC;
private								return PRIVATE;
key									return KEY;
allow-update						return ALLOWUPDATE;
allow-query							return ALLOWQUERY;
algorithm							return ALGORITHM;
secret								return SECRET;
zone                    			return ZONE;
type                    			return TYPE;
allow								return ALLOW;
\{                      			return OBRACE;
\}                      			return EBRACE;
;                       			return SEMICOLON;
IN									return IN;
\*									yylval.string = strdup(yytext);	return WILDCARD;
[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+		yylval.string = strdup(yytext);	return DOTTED_DECIMAL_ADDRESS;
[0123456789]+						yylval.number = atoi(yytext);	return NUMBER;
[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)*		yylval.string = strdup(yytext);	return HOSTNAME;
[a-zA-Z0-9\.]+([a-zA-Z0-9\.]+)*		yylval.string = strdup(yytext);	return DOMAINNAME;
\"([^"\\\r\n]*(\\.[^"\\\r\n]*)*)\"	yylval.string = StripQuotes(yytext);	return QUOTEDSTRING;
[\/][\/].*							/* ignore C++ style comments */;
\n                      			yylineno++; /* ignore EOL */;
[ \t]+                  			/* ignore whitespace */;
%%
Commit	Line	Data
67c8f8a1 A	1	/* -- Mode: C; tab-width: 4 --
67c8f8a1 A	2	*
9f221bca	3	* Copyright (c) 2006-2011 Apple Inc. All rights reserved.
67c8f8a1 A	4	*
	5	* Licensed under the Apache License, Version 2.0 (the "License");
	6	* you may not use this file except in compliance with the License.
	7	* You may obtain a copy of the License at
	8	*
	9	* http://www.apache.org/licenses/LICENSE-2.0
	10	*
	11	* Unless required by applicable law or agreed to in writing, software
	12	* distributed under the License is distributed on an "AS IS" BASIS,
	13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	14	* See the License for the specific language governing permissions and
	15	* limitations under the License.
67c8f8a1 A	16	*/
	17
	18	%{
	19	#include <string.h>
	20	#include <stdio.h>
	21	#include "dnsextd_parser.h"
	22
	23
	24	extern YYSTYPE yylval;
	25
4a95efb2	26	#define YY_NO_INPUT 1
67c8f8a1 A	27	int yylex(void);
	28
	29	static char*
	30	StripQuotes
	31	(
	32	const char * string
	33	)
	34	{
	35	char * dup;
	36
	37	dup = strdup( string + 1);
	38
	39	dup[ strlen( dup ) - 1 ] = '\0';
	40
	41	return dup;
	42	}
	43
	44
	45	%}
	46
32bb7e43	47	%option nounput
67c8f8a1 A	48	%%
	49
	50	options return OPTIONS;
	51	listen-on return LISTEN_ON;
	52	nameserver return NAMESERVER;
	53	port return PORT;
	54	address return ADDRESS;
	55	llq return LLQ;
	56	public return PUBLIC;
	57	private return PRIVATE;
	58	key return KEY;
	59	allow-update return ALLOWUPDATE;
	60	allow-query return ALLOWQUERY;
	61	algorithm return ALGORITHM;
	62	secret return SECRET;
	63	zone return ZONE;
	64	type return TYPE;
	65	allow return ALLOW;
	66	\{ return OBRACE;
	67	\} return EBRACE;
	68	; return SEMICOLON;
	69	IN return IN;
	70	\* yylval.string = strdup(yytext); return WILDCARD;
	71	[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+ yylval.string = strdup(yytext); return DOTTED_DECIMAL_ADDRESS;
	72	[0123456789]+ yylval.number = atoi(yytext); return NUMBER;
	73	[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)* yylval.string = strdup(yytext); return HOSTNAME;
	74	[a-zA-Z0-9\.]+([a-zA-Z0-9\.]+)* yylval.string = strdup(yytext); return DOMAINNAME;
	75	\"([^"\\\r\n](\\.[^"\\\r\n])*)\" yylval.string = StripQuotes(yytext); return QUOTEDSTRING;
	76	[\/][\/].* /* ignore C++ style comments */;
	77	\n yylineno++; /* ignore EOL */;
	78	[ \t]+ /* ignore whitespace */;
	79	%%