From 1f69bcb67fad8920867120b8ad310b5f60a7cc62 Mon Sep 17 00:00:00 2001
From: Rainer Gerhards <rgerhards@adiscon.com>
Date: Thu, 30 Jun 2011 19:03:48 +0200
Subject: milestone: first shot at rules to read old config file objects

---
 grammar/debian.conf |  2 ++
 grammar/rscript.l   | 33 +++++++++++++++++++++++++++++++--
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/grammar/debian.conf b/grammar/debian.conf
index ad5d2217..e5e54fde 100644
--- a/grammar/debian.conf
+++ b/grammar/debian.conf
@@ -115,3 +115,5 @@ daemon.*;mail.*;\
 	*.=debug;*.=info;\
 	*.=notice;*.=warn	|/dev/xconsole
 
+# samples added to get full "flavor" of what we need to support...
+:msg, contains, "error" /var/log/somelog
diff --git a/grammar/rscript.l b/grammar/rscript.l
index 18286d5e..dd86fbe9 100644
--- a/grammar/rscript.l
+++ b/grammar/rscript.l
@@ -1,3 +1,8 @@
+%option noyywrap nodefault case-insensitive
+ /*%option noyywrap nodefault case-insensitive */
+
+%x OLDACT
+	/* old-style action expected -- need to parse differently */
 %{
 #include <libestr.h>
 %}
@@ -5,8 +10,32 @@
 %%
 
 
-^[ \t]*[\*a-z]+.[!=;.\*a-z]+	{ printf("PRI: '%s'\n", yytext); }
-.	{ printf("%s", yytext); }
+\$[a-z]+.*$				{ printf("CFSYSLINE: '%s'\n", yytext); }
+
+^[ \t]*:\$?[a-z]+[ ]*,[ ]*!?[a-z]+[ ]*,[ ]*\".*\"	{
+					  printf("PROP-FILT: '%s'\n", yytext);
+					  BEGIN OLDACT;
+					}
+
+^[ \t]*[,\*a-z]+\.[,!=;\.\*a-z]+	{ printf("PRI-FILT: '%s'\n", yytext);
+					  BEGIN OLDACT;
+					}
+  
+#.*\n	/* skip comments in input */
+.|\n	{ if(yytext[0] != '\n') printf("%s", yytext); }
+
+<OLDACT>\* |
+<OLDACT>-\/[^ \t\n]+ |
+<OLDACT>\|[^ \t\n]+ |
+<OLDACT>\/[^ \t\n]+	{ printf("old style action: '%s'\n", yytext);
+			  BEGIN INITIAL;
+			}
+<OLDACT>[ \t\n]
+<OLDACT>.|\n		{ printf("invalid sequence in OLDACT mode: %s\n",
+				 yytext);
+			}
+
+
 
 %%
 int
-- 
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