Provide localized content for languages not supported by iOS

Globals.h

//
//  Globals.h
//  
//  Created by Rabe Bernd on 03.04.12.
//  Copyright (c) 2012 RABE_IT Services. All rights reserved.
//

#ifdef __OBJC__
NSString *CustomLocalized(NSString *stringToken);
NSBundle *yourBundle(void);
#endif

Globals.m

//
//  Globals.m
//  
//  Created by Rabe Bernd on 03.04.12.
//  Copyright (c) 2012 RABE_IT Services. All rights reserved.
//


#import "Globals.h"

NSBundle *yourBundle(void) {
    static NSBundle* bundle = nil;
    if (!bundle) {
        NSString* path = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:kYourBundleName];
        bundle = [NSBundle bundleWithPath:path];
        
        // gives preference to locale setting
        // thus supports languages not selectable in iOS
        NSString *localeIdentifier = [[NSLocale currentLocale] localeIdentifier];
        if ([[bundle localizations] containsObject:localeIdentifier])
        {
            path = [bundle pathForResource:localeIdentifier ofType:@"lproj"];
            bundle = [NSBundle bundleWithPath:path];
        }
        else {
            localeIdentifier = [[localeIdentifier componentsSeparatedByString:@"-"] objectAtIndex:0];
            if (localeIdentifier && [[bundle localizations] containsObject:localeIdentifier]) {
                path = [bundle pathForResource:localeIdentifier ofType:@"lproj"];
                bundle = [NSBundle bundleWithPath:path];
            }
        }
    }
    return bundle;
}

NSString *CustomLocalized(NSString *stringToken) {
    if (yourBundle()) {
        return NSLocalizedStringFromTableInBundle(stringToken, @"TableName", yourBundle(), @"");
    } else {
        return stringToken;
    }
}