/*
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* Copyright 2013 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 "ZXPDF417BarcodeValue.h"
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#import "ZXPDF417Common.h"
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@interface ZXPDF417BarcodeValue ()
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@property (nonatomic, strong, readonly) NSMutableDictionary *values;
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@end
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@implementation ZXPDF417BarcodeValue
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- (id)init {
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self = [super init];
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if (self) {
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_values = [NSMutableDictionary dictionary];
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}
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return self;
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}
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- (void)setValue:(int)value {
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NSNumber *confidence = self.values[@(value)];
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if (!confidence) {
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confidence = @0;
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}
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confidence = @([confidence intValue] + 1);
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self.values[@(value)] = confidence;
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}
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- (ZXIntArray *)value {
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int maxConfidence = -1;
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NSMutableArray *result = [NSMutableArray array];
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for (NSNumber *key in [self.values allKeys]) {
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NSNumber *value = self.values[key];
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if ([value intValue] > maxConfidence) {
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maxConfidence = [value intValue];
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[result removeAllObjects];
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[result addObject:key];
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} else if ([value intValue] == maxConfidence) {
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[result addObject:key];
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}
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}
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NSArray *array = [[[result sortedArrayUsingSelector:@selector(compare:)] reverseObjectEnumerator] allObjects];
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return [ZXPDF417Common toIntArray:array];
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}
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- (NSNumber *)confidence:(int)value {
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return self.values[@(value)];
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}
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@end
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