/*
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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 "ZXAI013x0xDecoder.h"
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#import "ZXBitArray.h"
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#import "ZXErrors.h"
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const int ZX_AI013x0x_HEADER_SIZE = 4 + 1;
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const int ZX_AI013x0x_WEIGHT_SIZE = 15;
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@implementation ZXAI013x0xDecoder
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- (NSString *)parseInformationWithError:(NSError **)error {
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if (self.information.size != ZX_AI013x0x_HEADER_SIZE + ZX_AI01_GTIN_SIZE + ZX_AI013x0x_WEIGHT_SIZE) {
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if (error) *error = ZXNotFoundErrorInstance();
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return nil;
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}
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NSMutableString *buf = [NSMutableString string];
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[self encodeCompressedGtin:buf currentPos:ZX_AI013x0x_HEADER_SIZE];
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[self encodeCompressedWeight:buf currentPos:ZX_AI013x0x_HEADER_SIZE + ZX_AI01_GTIN_SIZE weightSize:ZX_AI013x0x_WEIGHT_SIZE];
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return buf;
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}
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@end
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