/* * Copyright 2012 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 "ZXAI01AndOtherAIs.h" #import "ZXRSSExpandedGeneralAppIdDecoder.h" const int ZX_AI01_HEADER_SIZE = 1 + 1 + 2; @implementation ZXAI01AndOtherAIs - (NSString *)parseInformationWithError:(NSError **)error { NSMutableString *buff = [NSMutableString string]; [buff appendString:@"(01)"]; int initialGtinPosition = (int)[buff length]; int firstGtinDigit = [self.generalDecoder extractNumericValueFromBitArray:ZX_AI01_HEADER_SIZE bits:4]; [buff appendFormat:@"%d", firstGtinDigit]; [self encodeCompressedGtinWithoutAI:buff currentPos:ZX_AI01_HEADER_SIZE + 4 initialBufferPosition:initialGtinPosition]; return [self.generalDecoder decodeAllCodes:buff initialPosition:ZX_AI01_HEADER_SIZE + 44 error:error]; } @end