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Copy pathNSMutableIndexSet+BlocksKit.m
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51 lines (34 loc) · 976 Bytes
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//
// NSMutableIndexSet+BlocksKit.m
// BlocksKit
//
#import "NSMutableIndexSet+BlocksKit.h"
@implementation NSMutableIndexSet (BlocksKit)
- (void)performSelect:(BKIndexValidationBlock)block {
NSParameterAssert(block != nil);
NSIndexSet *list = [self indexesPassingTest:^BOOL(NSUInteger idx, BOOL *stop) {
return !block(idx);
}];
if (!list.count)
return;
[self removeIndexes:list];
}
- (void)performReject:(BKIndexValidationBlock)block {
NSParameterAssert(block != nil);
NSIndexSet *list = [self indexesPassingTest:^BOOL(NSUInteger idx, BOOL *stop) {
return block(idx);
}];
if (!list.count)
return;
[self removeIndexes:list];
}
- (void)performMap:(BKIndexTransformBlock)block {
NSParameterAssert(block != nil);
NSMutableIndexSet *new = [self mutableCopy];
[self enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL *stop) {
[new addIndex:block(idx)];
}];
[self removeAllIndexes];
[self addIndexes:[new autorelease]];
}
@end