Make boolean string parsing consistent, #452464

2007-06-30  Johan Dahlin  <jdahlin@async.com.br>

    * gtk/gtkbuilder.c: (gtk_builder_value_from_string_type):
    * gtk/gtkbuilderparser.c: (_gtk_builder_parse_boolean),
    (parse_property), (parse_signal):
    * gtk/gtkbuilderprivate.h:
    * tests/buildertest.c: (test_value_from_string):
    Make boolean string parsing consistent, #452464


svn path=/trunk/; revision=18305

ChangeLog

@@ -1,3 +1,12 @@
+2007-06-30  Johan Dahlin  <jdahlin@async.com.br>
+
+	* gtk/gtkbuilder.c: (gtk_builder_value_from_string_type):
+	* gtk/gtkbuilderparser.c: (_gtk_builder_parse_boolean),
+	(parse_property), (parse_signal):
+	* gtk/gtkbuilderprivate.h:
+	* tests/buildertest.c: (test_value_from_string):
+	Make boolean string parsing consistent, #452464
+
 2007-06-30  Matthias Clasen  <mclasen@redhat.com>
 
 	* gtk/gtkbuilder.c:

gtk/gtkbuilder.c

@@ -1038,34 +1038,11 @@ gtk_builder_value_from_string_type (GtkBuilder   *builder,
       {
         gboolean b;
 
-        switch (g_ascii_tolower (string[0]))
+	if (!_gtk_builder_parse_boolean (string, &b, error))
 	  {
-          case 't':
-          case 'y':
-            b = TRUE;
-            break;
-          case 'f':
-          case 'n':
-            b = FALSE;
-            break;
-          default:
-            {
-              gchar *endptr;
-              errno = 0;
-              b = strtol (string, &endptr, 0);
-              if (errno || endptr == string)
-                {
-		  g_set_error (error,
-			       GTK_BUILDER_ERROR,
-			       GTK_BUILDER_ERROR_INVALID_VALUE,
-			       "Could not parse boolean `%s'",
-			       string);
 	    ret = FALSE;
 	    break;
           }
-            }
-            break;
-          }
         g_value_set_boolean (value, b);
         break;
       }

gtk/gtkbuilderparser.c

@@ -157,6 +157,55 @@ error_missing_property_value (ParserData *data,
 	       line_number, char_number);
 }
 
+gboolean
+_gtk_builder_parse_boolean (const gchar  *string,
+			    gboolean     *value,
+			    GError      **error)
+{
+  gboolean retval = TRUE;
+  int i;
+  int length;
+  
+  g_assert (string != NULL);
+  length = strlen (string);
+  
+  if (length == 0)
+    retval = FALSE;
+  else if (length == 1)
+    {
+      gchar c = g_ascii_tolower (string[0]);
+      if (c == 'y' || c == 't' || c == '1')
+	*value = TRUE;
+      else if (c == 'n' || c == 'f' || c == '0')
+	*value = FALSE;
+      else
+	retval = FALSE;
+    }
+  else
+    {
+      gchar *lower = g_strdup (string);
+      for (i = 0; i < strlen (string); i++)
+	lower[i] = g_ascii_tolower (string[i]);
+      
+      if (strcmp (lower, "yes") == 0 || strcmp (lower, "true") == 0)
+	*value = TRUE;
+      else if (strcmp (lower, "no") == 0 || strcmp (lower, "false") == 0)
+	*value = FALSE;
+      else
+	retval = FALSE;
+      g_free (lower);
+    }
+  
+  if (!retval)
+    g_set_error (error,
+		 GTK_BUILDER_ERROR,
+		 GTK_BUILDER_ERROR_INVALID_VALUE,
+		 "could not parse boolean `%s'",
+		 string);
+
+  return retval;
+}
+
 static GObject *
 builder_construct (ParserData *data,
                    ObjectInfo *object_info)
@@ -353,7 +402,10 @@ parse_property (ParserData   *data,
       if (strcmp (names[i], "name") == 0)
         name = g_strdelimit (g_strdup (values[i]), "_", '-');
       else if (strcmp (names[i], "translatable") == 0)
-        translatable = strcmp (values[i], "yes") == 0;
+	{
+	  if (!_gtk_builder_parse_boolean (values[i], &translatable, error))
+	    return;
+	}
       else
 	{
 	  error_invalid_attribute (data, element_name, names[i], error);
@@ -408,10 +460,14 @@ parse_signal (ParserData   *data,
       else if (strcmp (names[i], "handler") == 0)
         handler = g_strdup (values[i]);
       else if (strcmp (names[i], "after") == 0)
-        after = strcmp (values[i], "yes") == 0;
+	{
+	  if (!_gtk_builder_parse_boolean (values[i], &after, error))
+	    return;
+	}
       else if (strcmp (names[i], "swapped") == 0)
 	{
-	  swapped = strcmp (values[i], "yes") == 0;
+	  if (!_gtk_builder_parse_boolean (values[i], &swapped, error))
+	    return;
 	  swapped_set = TRUE;
 	}
       else if (strcmp (names[i], "object") == 0)

gtk/gtkbuilderprivate.h

@@ -107,5 +107,8 @@ void      _gtk_builder_add (GtkBuilder *builder,
 void      _gtk_builder_finish (GtkBuilder *builder);
 void _free_signal_info (SignalInfo *info,
                         gpointer user_data);
+gboolean _gtk_builder_parse_boolean (const gchar  *string,
+				     gboolean     *value,
+				     GError      **error);
 
 #endif /* __GTK_BUILDER_PRIVATE_H__ */

tests/buildertest.c

@@ -1508,6 +1508,11 @@ test_value_from_string (void)
   g_return_val_if_fail (g_value_get_boolean (&value) == TRUE, FALSE);
   g_value_unset (&value);
 
+  g_return_val_if_fail (gtk_builder_value_from_string_type (builder, G_TYPE_BOOLEAN, "tRuE", &value, &error), FALSE);
+  g_return_val_if_fail (G_VALUE_HOLDS_BOOLEAN (&value), FALSE);
+  g_return_val_if_fail (g_value_get_boolean (&value) == TRUE, FALSE);
+  g_value_unset (&value);
+  
   g_return_val_if_fail (gtk_builder_value_from_string_type (builder, G_TYPE_BOOLEAN, "blaurgh", &value, &error) == FALSE, FALSE);
   g_return_val_if_fail (error != NULL, FALSE);
   g_value_unset (&value);
@@ -1516,6 +1521,27 @@ test_value_from_string (void)
   g_error_free (error);
   error = NULL;
 
+  g_return_val_if_fail (gtk_builder_value_from_string_type (builder, G_TYPE_BOOLEAN, "yess", &value, &error) == FALSE, FALSE);
+  g_value_unset (&value);
+  g_return_val_if_fail (error->domain == GTK_BUILDER_ERROR, FALSE);
+  g_return_val_if_fail (error->code == GTK_BUILDER_ERROR_INVALID_VALUE, FALSE);
+  g_error_free (error);
+  error = NULL;
+  
+  g_return_val_if_fail (gtk_builder_value_from_string_type (builder, G_TYPE_BOOLEAN, "trueee", &value, &error) == FALSE, FALSE);
+  g_value_unset (&value);
+  g_return_val_if_fail (error->domain == GTK_BUILDER_ERROR, FALSE);
+  g_return_val_if_fail (error->code == GTK_BUILDER_ERROR_INVALID_VALUE, FALSE);
+  g_error_free (error);
+  error = NULL;
+  
+  g_return_val_if_fail (gtk_builder_value_from_string_type (builder, G_TYPE_BOOLEAN, "", &value, &error) == FALSE, FALSE);
+  g_value_unset (&value);
+  g_return_val_if_fail (error->domain == GTK_BUILDER_ERROR, FALSE);
+  g_return_val_if_fail (error->code == GTK_BUILDER_ERROR_INVALID_VALUE, FALSE);
+  g_error_free (error);
+  error = NULL;
+  
   g_return_val_if_fail (gtk_builder_value_from_string_type (builder, G_TYPE_INT, "12345", &value, &error), FALSE);
   g_return_val_if_fail (G_VALUE_HOLDS_INT (&value), FALSE);
   g_return_val_if_fail (g_value_get_int (&value) == 12345, FALSE);