parse lines that start with '#' as comments

[chaz/openbox] / openbox / cparse.l

diff --git a/openbox/cparse.l b/openbox/cparse.l
index 5e4b6d3ef75b969e962edc78caa77474410d5eca..5a077493f8de04c080c763cfef1d2330450caf3d 100644 (file)
--- a/openbox/cparse.l
+++ b/openbox/cparse.l
@@ -2,8 +2,10 @@
 #include <glib.h>
 #include "config.h"
 
+static char *yyfilename;
 static int yylineno = 1;
 static gboolean haserror = FALSE;
+static gboolean comment = FALSE;
 static ConfigEntry entry = { NULL, -1 };
 
 static void stringvalue();
@@ -15,7 +17,7 @@ static int yywrap();
 
 number [0-9]+
 string \"[^"\n]*\"
-identifier [a-zA-Z][a-zA-Z0-9_]*
+identifier [a-zA-Z][a-zA-Z0-9_.]*
 white [ \t]*
 assign {white}={white}
 
@@ -25,6 +27,7 @@ assign {white}={white}
 {number}/{white}\n numbervalue();
 ^{identifier}/{assign} identifier();
 \n newline();
+^# comment = TRUE;
 =
 [ \t]
 . haserror = TRUE;
@@ -33,49 +36,57 @@ assign {white}={white}
 
 static void stringvalue()
 {
-    if (!haserror && entry.name != NULL && (signed)entry.type < 0) {
-        entry.type = Config_String;
-        entry.value.string = g_strdup(yytext+1); /* drop the left quote */
-        if (entry.value.string[yyleng-2] != '"')
-            printf("warning: improperly terminated string on line %d\n",
-                   yylineno);
-        else
-            entry.value.string[yyleng-2] = '\0';
-    } else
-        haserror = TRUE;
+    if (!comment) {
+        if (!haserror && entry.name != NULL && (signed)entry.type < 0) {
+            entry.type = Config_String;
+            entry.value.string = g_strdup(yytext+1); /* drop the left quote */
+            if (entry.value.string[yyleng-2] != '"')
+                printf("warning: improperly terminated string on line %d\n",
+                       yylineno);
+            else
+                entry.value.string[yyleng-2] = '\0';
+        } else
+            haserror = TRUE;
+    }
 }
 
 static void numbervalue()
 {
-    if (!haserror && entry.name != NULL && (signed)entry.type < 0) {
-        entry.type = Config_Integer;
-        entry.value.integer = atoi(yytext);
-    } else
-        haserror = TRUE;
+    if (!comment) {
+        if (!haserror && entry.name != NULL && (signed)entry.type < 0) {
+            entry.type = Config_Integer;
+            entry.value.integer = atoi(yytext);
+        } else
+            haserror = TRUE;
+    }
 }
 
 static void identifier()
 {
-    g_print("identifier: %s\n", yytext);
-    entry.name = g_strdup(yytext);
-    entry.type = -1;
+    if (!comment) {
+        entry.name = g_strdup(yytext);
+        entry.type = -1;
+    }
 }
 
 static void newline()
 {
-    if (!haserror && entry.name != NULL && (signed)entry.type >= 0) {
-        if (!config_set(entry.name, entry.type, entry.value))
-            g_warning("Invalid option in config file: '%s'\n", entry.name);
-    } else {
-        printf("Parser error in config file on line %d\n", yylineno);
-    }
-    g_free(entry.name);
-    entry.name = NULL;
-    if (entry.type == Config_String)
-        g_free(entry.value.string);
-    entry.type = -1;
+    if (!comment) {
+        if (!haserror && entry.name != NULL && (signed)entry.type >= 0) {
+            if (!config_set(entry.name, entry.type, entry.value))
+                g_warning("Invalid option in '%s': '%s'\n",
+                          yyfilename, entry.name);
+        } else {
+            printf("Parser error in '%s' on line %d\n", yyfilename, yylineno);
+        }
+        g_free(entry.name);
+        entry.name = NULL;
+        if (entry.type == Config_String)
+            g_free(entry.value.string);
+        entry.type = -1;
 
-    haserror = FALSE;
+        haserror = FALSE;
+    }
     ++yylineno;
 }
 
@@ -88,8 +99,9 @@ static int yywrap()
     return 1;
 }
 
-void cparse_go(FILE *file)
+void cparse_go(char *filename, FILE *file)
 {
+    yyfilename = filename;
     yyin = file;
     yylex();
 }