2 * Copyright (C) 2007 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
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14 * its contributors may be used to endorse or promote products derived
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29 #import "WebNSArrayExtras.h"
31 #import <wtf/Assertions.h>
33 @implementation NSArray (WebNSArrayExtras)
35 -(NSNumber *)_webkit_numberAtIndex:(NSUInteger)index
37 id object = [self objectAtIndex:index];
38 return [object isKindOfClass:[NSNumber class]] ? object : nil;
41 -(NSString *)_webkit_stringAtIndex:(NSUInteger)index
43 id object = [self objectAtIndex:index];
44 return [object isKindOfClass:[NSString class]] ? object : nil;
49 @implementation NSMutableArray (WebNSArrayExtras)
51 - (void)_webkit_removeUselessMenuItemSeparators
53 // Starting with a mutable array of NSMenuItems, removes any separators at the start,
54 // removes any separators at the end, and collapses any other adjacent separators to
55 // a single separator.
58 // Start this with YES so very last item will be removed if it's a separator.
59 BOOL removePreviousItemIfSeparator = YES;
60 for (index = [self count] - 1; index >= 0; --index) {
61 NSMenuItem *item = [self objectAtIndex:index];
62 ASSERT([item isKindOfClass:[NSMenuItem class]]);
63 BOOL itemIsSeparator = [item isSeparatorItem];
64 if (itemIsSeparator && (removePreviousItemIfSeparator || index == 0))
65 [self removeObjectAtIndex:index];
66 removePreviousItemIfSeparator = itemIsSeparator;
69 // This could leave us with one initial separator; kill it off too
70 if ([self count] && [[self objectAtIndex:0] isSeparatorItem])
71 [self removeObjectAtIndex:0];