New: nib2cib support for runtime attributes of point, size, rect and range types.

This change adds nib2cib support for `NSValue` when the value represents a NSPoint, NSSize, NSRect or an NSRange, which enables user defined runtime attributes of these types to be set in Xcode and then properly decoded in a Cappuccino app.

Tools/nib2cib/NSFoundation.j

@@ -32,3 +32,4 @@
 @import "NSNull.j"
 @import "NSNumberFormatter.j"
 @import "NSSet.j"
+@import "NSValue.j"

Tools/nib2cib/NSValue.j

@@ -0,0 +1,59 @@
+/*
+ * NSValue.j
+ * nib2cib
+ *
+ * Created by Alexander Ljungberg.
+ * Copyright 2013, SlevenBits Ltd.
+ *
+ * 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
+ */
+
+@import <Foundation/CPException.j>
+@import <Foundation/CPKeyedUnarchiver.j>
+@import <Foundation/CPObject.j>
+@import <Foundation/CPRange.j>
+@import <Foundation/CPValue.j>
+
+@import <AppKit/CGGeometry.j>
+
+var NSPointNSValueType = 1,
+    NSSizeNSValueType = 2,
+    NSRectNSValueType = 3,
+    NSRangeNSValueType = 4;
+
+@implementation NSValue : CPObject
+{
+}
+
+- (id)initWithCoder:(CPCoder)aCoder
+{
+    var type = [aCoder decodeIntForKey:@"NS.special"];
+
+    switch (type)
+    {
+        case NSPointNSValueType:
+            return [[CPValue alloc] initWithJSObject:CGPointFromString([aCoder decodeObjectForKey:@"NS.pointval"])];
+        case NSSizeNSValueType:
+            return [[CPValue alloc] initWithJSObject:CGSizeFromString([aCoder decodeObjectForKey:@"NS.sizeval"])];
+        case NSRectNSValueType:
+            return [[CPValue alloc] initWithJSObject:CGRectFromString([aCoder decodeObjectForKey:@"NS.rectval"])];
+        case NSRangeNSValueType:
+            return [[CPValue alloc] initWithJSObject:CPMakeRange([aCoder decodeIntForKey:@"NS.rangeval.location"], [aCoder decodeIntForKey:@"NS.rangeval.length"])];
+        default:
+            [CPException raise:CPInvalidUnarchiveOperationException format:@"NSValue type %d is not supported by nib2cib.", type];
+    }
+}
+
+@end