New: missing image/framework in xib is reported as an error.

Previously, if an image or framework in image@framework was missing, it was just a warning, and conversion would continue.

Now an exception is raised and conversion stops.

Tools/nib2cib/Nib2CibException.j

@@ -0,0 +1,23 @@
+/*
+ * Nib2CibException.j
+ * nib2cib
+ *
+ * Created by Aparajita Fishman.
+ * Copyright 2013, The Cappucino Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+Nib2CibException = @"Nib2CibException";

Tools/nib2cib/Nib2CibKeyedUnarchiver.j

@@ -22,6 +22,8 @@
 
 @import <Foundation/CPKeyedUnarchiver.j>
 
+@import "Nib2CibException.j"
+
 @class Nib2Cib
 
 var FILE = require("file");
@@ -45,8 +47,10 @@ var FILE = require("file");
     {
         var info = [frameworks valueForKey:framework];
 
-        if (!info || !info.resourceDirectory)
-            return nil;
+        if (!info)
+            [CPException raise:Nib2CibException format:@"The framework “%@” specified by the image “%@@%@” cannot be found.", framework, aName, framework];
+        else if (!info.resourceDirectory)
+            [CPException raise:Nib2CibException format:@"The framework “%@” specified by the image “%@@%@” has no Resources directory.", framework, aName, framework];
 
         return { path:[self _resourcePathForName:aName inDirectory:info.resourceDirectory], framework:framework };
     }
@@ -103,7 +107,7 @@ var FILE = require("file");
         }
     }
 
-    return nil;
+    [CPException raise:Nib2CibException format:@"The image “%@” cannot be found in %@.", aName, directory];
 }
 
 @end