/*
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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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#import "ZXAI01weightDecoder.h"
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#import "ZXRSSExpandedGeneralAppIdDecoder.h"
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@implementation ZXAI01weightDecoder
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- (void)encodeCompressedWeight:(NSMutableString *)buf currentPos:(int)currentPos weightSize:(int)weightSize {
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int originalWeightNumeric = [self.generalDecoder extractNumericValueFromBitArray:currentPos bits:weightSize];
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[self addWeightCode:buf weight:originalWeightNumeric];
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int weightNumeric = [self checkWeight:originalWeightNumeric];
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int currentDivisor = 100000;
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for (int i = 0; i < 5; ++i) {
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if (weightNumeric / currentDivisor == 0) {
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[buf appendString:@"0"];
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}
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currentDivisor /= 10;
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}
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[buf appendFormat:@"%d", weightNumeric];
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}
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- (void)addWeightCode:(NSMutableString *)buf weight:(int)weight {
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@throw [NSException exceptionWithName:NSInternalInconsistencyException
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reason:[NSString stringWithFormat:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)]
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userInfo:nil];
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}
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- (int)checkWeight:(int)weight {
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@throw [NSException exceptionWithName:NSInternalInconsistencyException
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reason:[NSString stringWithFormat:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)]
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userInfo:nil];
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}
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@end
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