1 files changed, 84 insertions, 0 deletions
diff --git a/mDNSResponder/mDNSShared/dnsextd_lexer.l b/mDNSResponder/mDNSShared/dnsextd_lexer.l
new file mode 100644
index 00000000..5cac1060
--- /dev/null
+++ b/mDNSResponder/mDNSShared/dnsextd_lexer.l
@@ -0,0 +1,84 @@
+/* -*- Mode: C; tab-width: 4 -*-
+ *
+ * Copyright (c) 2006-2011 Apple Computer, 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;
+
+/* Mac OS X 10.4 has flex version 2.5.4, which doesn't define yylineno for us */
+/* Mac OS X 10.5 has flex version 2.5.33, which does define yylineno          */
+#if YY_FLEX_MAJOR_VERSION <= 2 && YY_FLEX_MINOR_VERSION <= 5 && YY_FLEX_SUBMINOR_VERSION <= 4
+int yylineno = 1;
+#endif
+#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 */;
+%%