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66 lines
2 KiB
Plaintext
66 lines
2 KiB
Plaintext
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//
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// ProductResultParser.m
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// ZXing
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//
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// Ported to Objective-C by George Nachman on 7/7/2011.
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/*
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* Copyright 2011 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 "ProductResultParser.h"
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#import "ProductParsedResult.h"
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#import "CBarcodeFormat.h"
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#include "../../../../cpp/core/src/zxing/oned/UPCEReader.h"
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@implementation ProductResultParser
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+ (void)load {
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[ResultParser registerResultParserClass:self];
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}
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+ (ParsedResult *)parsedResultForString:(NSString *)s format:(BarcodeFormat)format {
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// Treat all UPC and EAN variants as UPCs, in the sense that they are all
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// product barcodes.
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if (format != BarcodeFormat_UPC_E &&
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format != BarcodeFormat_UPC_A &&
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format != BarcodeFormat_EAN_8 &&
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format != BarcodeFormat_EAN_13) {
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return nil;
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}
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// Barcode must be all digits.
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for (unsigned int i = 0; i < [s length]; i++) {
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unichar c = [s characterAtIndex:i];
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if (c < '0' || c > '9') {
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return nil;
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}
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}
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NSString *normalizedProductID;
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// Expand UPC-E for purposes of searching
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if (format == BarcodeFormat_UPC_E) {
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std::string textStr = std::string([s UTF8String]);
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std::string normal = zxing::oned::UPCEReader::convertUPCEtoUPCA(textStr);
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normalizedProductID = [NSString stringWithUTF8String:normal.c_str()];
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} else {
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normalizedProductID = s;
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}
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return [[ProductParsedResult alloc] initWithProductID:s
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normalizedProductID:normalizedProductID];
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}
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@end
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