mirror of
https://github.com/zhigang1992/shadowsocks-iOS.git
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45 lines
1.4 KiB
Objective-C
45 lines
1.4 KiB
Objective-C
/*
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* Copyright 2012 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* A simple, fast array of bits, represented compactly by an array of ints internally.
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*/
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@interface ZXBitArray : NSObject
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@property (nonatomic, readonly) int32_t *bits;
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@property (nonatomic, readonly) int size;
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- (id)initWithSize:(int)size;
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- (int)sizeInBytes;
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- (BOOL)get:(int)i;
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- (void)set:(int)i;
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- (void)flip:(int)i;
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- (int)nextSet:(int)from;
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- (int)nextUnset:(int)from;
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- (void)setBulk:(int)i newBits:(int32_t)newBits;
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- (void)setRange:(int)start end:(int)end;
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- (void)clear;
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- (BOOL)isRange:(int)start end:(int)end value:(BOOL)value;
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- (void)appendBit:(BOOL)bit;
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- (void)appendBits:(int32_t)value numBits:(int)numBits;
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- (void)appendBitArray:(ZXBitArray *)other;
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- (void)xor:(ZXBitArray *)other;
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- (void)toBytes:(int)bitOffset array:(int8_t *)array offset:(int)offset numBytes:(int)numBytes;
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- (void)reverse;
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@end
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