| // |
| // ProductResultParser.m |
| // ZXing |
| // |
| // Ported to Objective-C by George Nachman on 7/7/2011. |
| /* |
| * Copyright 2011 ZXing authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #import "ProductResultParser.h" |
| #import "ProductParsedResult.h" |
| #import "CBarcodeFormat.h" |
| #include "../../../../cpp/core/src/zxing/oned/UPCEReader.h" |
| |
| @implementation ProductResultParser |
| |
| + (void)load { |
| [ResultParser registerResultParserClass:self]; |
| } |
| |
| + (ParsedResult *)parsedResultForString:(NSString *)s format:(BarcodeFormat)format { |
| // Treat all UPC and EAN variants as UPCs, in the sense that they are all |
| // product barcodes. |
| if (format != BarcodeFormat_UPC_E && |
| format != BarcodeFormat_UPC_A && |
| format != BarcodeFormat_EAN_8 && |
| format != BarcodeFormat_EAN_13) { |
| return nil; |
| } |
| |
| // Barcode must be all digits. |
| for (unsigned int i = 0; i < [s length]; i++) { |
| unichar c = [s characterAtIndex:i]; |
| if (c < '0' || c > '9') { |
| return nil; |
| } |
| } |
| |
| NSString *normalizedProductID; |
| // Expand UPC-E for purposes of searching |
| if (format == BarcodeFormat_UPC_E) { |
| std::string textStr = std::string([s UTF8String]); |
| std::string normal = zxing::oned::UPCEReader::convertUPCEtoUPCA(textStr); |
| normalizedProductID = [NSString stringWithUTF8String:normal.c_str()]; |
| } else { |
| normalizedProductID = s; |
| } |
| |
| return [[ProductParsedResult alloc] initWithProductID:s |
| normalizedProductID:normalizedProductID]; |
| } |
| |
| @end |