Disallow object subscripting in your project. NOTE: Do not include in Final Version of your project

NSObject+NoSubscription.h

//
//  NSObject+NoSubscription.h
//
//  Created by Diego Torres on 6/1/13.
//  Copyright (c) 2013 Onda. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSObject (NoSubscription)

@end

NSObject+NoSubscription.m

//
//  NSObject+NoSubscription.m
//
//  Created by Diego Torres on 6/1/13.
//  Copyright (c) 2013 Onda. All rights reserved.
//

#import "NSObject+NoSubscription.h"
#import <objc/runtime.h>

@implementation NSObject (NoSubscription)

+ (void)load
{
    [self swizzleInstanceSelector:@selector(setObject:atIndexedSubscript:) withNewSelector:@selector(ol_setObject:atIndexedSubscript:)];
    [self swizzleInstanceSelector:@selector(setObject:forKeyedSubscript:) withNewSelector:@selector(ol_setObject:atIndexedSubscript:)];
    
    [self swizzleInstanceSelector:@selector(objectAtIndexedSubscript:) withNewSelector:@selector(ol_objectAtIndexedSubscript:)];
    [self swizzleInstanceSelector:@selector(objectForKeyedSubscript:) withNewSelector:@selector(ol_objectAtIndexedSubscript:)];
}

+ (void) swizzleInstanceSelector:(SEL)originalSelector
                 withNewSelector:(SEL)newSelector
{
    Method originalMethod = class_getInstanceMethod(self, originalSelector);
    Method newMethod = class_getInstanceMethod(self, newSelector);
    
    BOOL methodAdded = class_addMethod([self class],
                                       originalSelector,
                                       method_getImplementation(newMethod),
                                       method_getTypeEncoding(newMethod));
    
    if (methodAdded) {
        class_replaceMethod([self class],
                            newSelector,
                            method_getImplementation(originalMethod),
                            method_getTypeEncoding(originalMethod));
    } else {
        method_exchangeImplementations(originalMethod, newMethod);
    }
}

- (void)ol_objectAtIndexedSubscript:(id)idx {
    
    @throw [NSException exceptionWithName:@"NoSubscription" reason:@"Subscription is not allowed in this project" userInfo:nil];
}

- (void)ol_setObject:(id)obj atIndexedSubscript:(id)idx
{
    
    @throw [NSException exceptionWithName:@"NoSubscription" reason:@"Subscription is not allowed in this project" userInfo:nil];
}

@end

@implementation NSArray (NoSubscription)

+ (void)load
{
    [self swizzleInstanceSelector:@selector(setObject:atIndexedSubscript:) withNewSelector:@selector(ol_setObject:atIndexedSubscript:)];
    [self swizzleInstanceSelector:@selector(setObject:forKeyedSubscript:) withNewSelector:@selector(ol_setObject:atIndexedSubscript:)];
    
    [self swizzleInstanceSelector:@selector(objectAtIndexedSubscript:) withNewSelector:@selector(ol_objectAtIndexedSubscript:)];
    [self swizzleInstanceSelector:@selector(objectForKeyedSubscript:) withNewSelector:@selector(ol_objectAtIndexedSubscript:)];
}

@end

@implementation NSDictionary (NoSubscription)

+ (void)load
{
    [self swizzleInstanceSelector:@selector(setObject:atIndexedSubscript:) withNewSelector:@selector(ol_setObject:atIndexedSubscript:)];
    [self swizzleInstanceSelector:@selector(setObject:forKeyedSubscript:) withNewSelector:@selector(ol_setObject:atIndexedSubscript:)];
    
    [self swizzleInstanceSelector:@selector(objectAtIndexedSubscript:) withNewSelector:@selector(ol_objectAtIndexedSubscript:)];
    [self swizzleInstanceSelector:@selector(objectForKeyedSubscript:) withNewSelector:@selector(ol_objectAtIndexedSubscript:)];
}

@end