/*
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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 "ZXBarcodeFormat.h"
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#import "ZXProductParsedResult.h"
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#import "ZXProductResultParser.h"
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#import "ZXUPCEReader.h"
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@implementation ZXProductResultParser
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// Treat all UPC and EAN variants as UPCs, in the sense that they are all product barcodes.
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- (ZXParsedResult *)parse:(ZXResult *)result {
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ZXBarcodeFormat format = [result barcodeFormat];
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if (!(format == kBarcodeFormatUPCA || format == kBarcodeFormatUPCE || format == kBarcodeFormatEan8 || format == kBarcodeFormatEan13)) {
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return nil;
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}
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NSString *rawText = [ZXResultParser massagedText:result];
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if (![[self class] isStringOfDigits:rawText length:(unsigned int)[rawText length]]) {
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return nil;
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}
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// Not actually checking the checksum again here
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NSString *normalizedProductID;
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if (format == kBarcodeFormatUPCE && [rawText length] == 8) {
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normalizedProductID = [ZXUPCEReader convertUPCEtoUPCA:rawText];
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} else {
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normalizedProductID = rawText;
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}
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return [ZXProductParsedResult productParsedResultWithProductID:rawText normalizedProductID:normalizedProductID];
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}
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@end
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