/*
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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 "ZXISBNParsedResult.h"
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#import "ZXISBNResultParser.h"
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@implementation ZXISBNResultParser
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/**
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* See <a href="http://www.bisg.org/isbn-13/for.dummies.html">ISBN-13 For Dummies</a>
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*/
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- (ZXParsedResult *)parse:(ZXResult *)result {
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ZXBarcodeFormat format = [result barcodeFormat];
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if (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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NSUInteger length = [rawText length];
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if (length != 13) {
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return nil;
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}
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if (![rawText hasPrefix:@"978"] && ![rawText hasPrefix:@"979"]) {
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return nil;
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}
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return [ZXISBNParsedResult isbnParsedResultWithIsbn:rawText];
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}
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@end
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