/*
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* Copyright 2014 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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#import "ZXAztecSimpleToken.h"
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#import "ZXBitArray.h"
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@interface ZXAztecSimpleToken ()
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// For normal words, indicates value and bitCount
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@property (nonatomic, assign, readonly) int16_t value;
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@property (nonatomic, assign, readonly) int16_t bitCount;
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@end
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@implementation ZXAztecSimpleToken
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- (id)initWithPrevious:(ZXAztecToken *)previous value:(int)value bitCount:(int)bitCount {
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if (self = [super initWithPrevious:previous]) {
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_value = (int16_t)value;
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_bitCount = (int16_t)bitCount;
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}
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return self;
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}
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- (void)appendTo:(ZXBitArray *)bitArray text:(ZXByteArray *)text {
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[bitArray appendBits:self.value numBits:self.bitCount];
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}
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- (NSString *)description {
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int value = self.value & ((1 << self.bitCount) - 1);
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value |= 1 << self.bitCount;
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NSMutableString *str = [NSMutableString string];
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for (int i = value | (1 << self.bitCount); i > 0; i >>= 1) {
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[str insertString:((i & 1) ? @"1" : @"0") atIndex:0];
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}
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return [NSString stringWithFormat:@"<%@>", [str substringFromIndex:1]];
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}
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@end
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