/*
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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 "ZXAbstractExpandedDecoder.h"
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#import "ZXAI013103decoder.h"
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#import "ZXAI01320xDecoder.h"
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#import "ZXAI01392xDecoder.h"
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#import "ZXAI01393xDecoder.h"
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#import "ZXAI013x0x1xDecoder.h"
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#import "ZXAI01AndOtherAIs.h"
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#import "ZXAnyAIDecoder.h"
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#import "ZXBitArray.h"
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#import "ZXRSSExpandedGeneralAppIdDecoder.h"
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@implementation ZXAbstractExpandedDecoder
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- (id)initWithInformation:(ZXBitArray *)information {
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if (self = [super init]) {
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_information = information;
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_generalDecoder = [[ZXRSSExpandedGeneralAppIdDecoder alloc] initWithInformation:information];
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}
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return self;
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}
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- (NSString *)parseInformationWithError:(NSError **)error {
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@throw [NSException exceptionWithName:NSInternalInconsistencyException
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reason:[NSString stringWithFormat:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)]
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userInfo:nil];
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}
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+ (ZXAbstractExpandedDecoder *)createDecoder:(ZXBitArray *)information {
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if ([information get:1]) {
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return [[ZXAI01AndOtherAIs alloc] initWithInformation:information];
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}
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if (![information get:2]) {
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return [[ZXAnyAIDecoder alloc] initWithInformation:information];
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}
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int fourBitEncodationMethod = [ZXRSSExpandedGeneralAppIdDecoder extractNumericValueFromBitArray:information pos:1 bits:4];
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switch (fourBitEncodationMethod) {
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case 4:
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return [[ZXAI013103decoder alloc] initWithInformation:information];
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case 5:
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return [[ZXAI01320xDecoder alloc] initWithInformation:information];
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}
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int fiveBitEncodationMethod = [ZXRSSExpandedGeneralAppIdDecoder extractNumericValueFromBitArray:information pos:1 bits:5];
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switch (fiveBitEncodationMethod) {
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case 12:
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return [[ZXAI01392xDecoder alloc] initWithInformation:information];
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case 13:
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return [[ZXAI01393xDecoder alloc] initWithInformation:information];
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}
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int sevenBitEncodationMethod = [ZXRSSExpandedGeneralAppIdDecoder extractNumericValueFromBitArray:information pos:1 bits:7];
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switch (sevenBitEncodationMethod) {
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case 56:
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return [[ZXAI013x0x1xDecoder alloc] initWithInformation:information firstAIdigits:@"310" dateCode:@"11"];
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case 57:
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return [[ZXAI013x0x1xDecoder alloc] initWithInformation:information firstAIdigits:@"320" dateCode:@"11"];
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case 58:
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return [[ZXAI013x0x1xDecoder alloc] initWithInformation:information firstAIdigits:@"310" dateCode:@"13"];
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case 59:
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return [[ZXAI013x0x1xDecoder alloc] initWithInformation:information firstAIdigits:@"320" dateCode:@"13"];
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case 60:
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return [[ZXAI013x0x1xDecoder alloc] initWithInformation:information firstAIdigits:@"310" dateCode:@"15"];
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case 61:
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return [[ZXAI013x0x1xDecoder alloc] initWithInformation:information firstAIdigits:@"320" dateCode:@"15"];
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case 62:
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return [[ZXAI013x0x1xDecoder alloc] initWithInformation:information firstAIdigits:@"310" dateCode:@"17"];
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case 63:
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return [[ZXAI013x0x1xDecoder alloc] initWithInformation:information firstAIdigits:@"320" dateCode:@"17"];
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}
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@throw [NSException exceptionWithName:NSInternalInconsistencyException
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reason:[NSString stringWithFormat:@"unknown decoder: %@", information]
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userInfo:nil];
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}
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@end
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