Adjustments of the language, added copyright notice and license information, ...

[liboconfig.git] / src / scanner.l

diff --git a/src/scanner.l b/src/scanner.l
index 1205508..aa111a2 100644 (file)
--- a/src/scanner.l
+++ b/src/scanner.l
@@ -1,3 +1,21 @@
+/**
+ * oconfig - src/scanner.l
+ * Copyright (C) 2007  Florian octo Forster <octo at verplant.org>
+ *
+ * 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; only version 2 of the License is applicable.
+ *
+ * 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
 %{
 #include <stdlib.h>
 #include "oconfig.h"
@@ -5,9 +23,8 @@
 #include "parser.h"
 %}
 WHITE_SPACE [\ \t\b]
-ALNUM [A-Za-z0-9_]
-QUOTED_STRING \"([^\"]+|\\.)*\"
-UNQUOTED_STRING {ALNUM}+
+QUOTED_STRING \"([^\\"]+|\\.)*\"
+UNQUOTED_STRING [0-9A-Za-z_]+
 HEX_NUMBER 0[xX][0-9a-fA-F]+
 OCT_NUMBER 0[0-7]+
 DEC_NUMBER [\+\-]?[0-9]+
@@ -16,20 +33,25 @@ NUMBER ({FLOAT_NUMBER}|{HEX_NUMBER}|{OCT_NUMBER}|{DEC_NUMBER})
 BOOL_TRUE (true|yes|on)
 BOOL_FALSE (false|no|off)
 COMMENT #.*
+PORT (6(5(5(3[0-5]|[0-2][0-9])|[0-4][0-9][0-9])|[0-4][0-9][0-9][0-9])|[1-5][0-9][0-9][0-9][0-9]|[1-9][0-9]?[0-9]?[0-9]?)
+IP_BYTE (2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])
+IPV4_ADDR {IP_BYTE}\.{IP_BYTE}\.{IP_BYTE}\.{IP_BYTE}(:{PORT})?
 
 %%
-{WHITE_SPACE}  |
-{COMMENT}      {/* nothing */}
+{WHITE_SPACE}          |
+{COMMENT}              {/* ignore */}
 
 \n                     {return (EOL);}
 "/"                    {return (SLASH);}
 "<"                    {return (OPENBRAC);}
 ">"                    {return (CLOSEBRAC);}
-{NUMBER}               {yylval.number = strtod (yytext, NULL); return (NUMBER);}
 {BOOL_TRUE}            {yylval.boolean = 1; return (TRUE);}
 {BOOL_FALSE}           {yylval.boolean = 0; return (FALSE);}
 
+{IPV4_ADDR}            {yylval.string = yytext; return (UNQUOTED_STRING);}
+
+{NUMBER}               {yylval.number = strtod (yytext, NULL); return (NUMBER);}
+
 {QUOTED_STRING}                {yylval.string = yytext; return (QUOTED_STRING);}
 {UNQUOTED_STRING}      {yylval.string = yytext; return (UNQUOTED_STRING);}
-
 %%