/*
|
* 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 "ZXRSSDataCharacter.h"
|
#import "ZXRSSExpandedPair.h"
|
#import "ZXRSSFinderPattern.h"
|
|
@implementation ZXRSSExpandedPair
|
|
- (id)initWithLeftChar:(ZXRSSDataCharacter *)leftChar rightChar:(ZXRSSDataCharacter *)rightChar
|
finderPattern:(ZXRSSFinderPattern *)finderPattern mayBeLast:(BOOL)mayBeLast {
|
if (self = [super init]) {
|
_leftChar = leftChar;
|
_rightChar = rightChar;
|
_finderPattern = finderPattern;
|
_mayBeLast = mayBeLast;
|
}
|
|
return self;
|
}
|
|
- (BOOL)mustBeLast {
|
return self.rightChar == nil;
|
}
|
|
- (NSString *)description {
|
return [NSString stringWithFormat:@"[ %@, %@ : %@ ]",
|
self.leftChar, self.rightChar,
|
self.finderPattern == nil ? @"null" : [NSString stringWithFormat:@"%d", self.finderPattern.value]];
|
}
|
|
- (BOOL)isEqual:(id)object {
|
if (![object isKindOfClass:[ZXRSSExpandedPair class]]) {
|
return NO;
|
}
|
ZXRSSExpandedPair *that = (ZXRSSExpandedPair *)object;
|
return [ZXRSSExpandedPair isEqualOrNil:self.leftChar toObject:that.leftChar] &&
|
[ZXRSSExpandedPair isEqualOrNil:self.rightChar toObject:that.rightChar] &&
|
[ZXRSSExpandedPair isEqualOrNil:self.finderPattern toObject:that.finderPattern];
|
}
|
|
+ (BOOL)isEqualOrNil:(id)o1 toObject:(id)o2 {
|
return o1 == nil ? o2 == nil : [o1 isEqual:o2];
|
}
|
|
- (NSUInteger)hash {
|
return [self hashNotNil:self.leftChar] ^ [self hashNotNil:self.rightChar] ^ [self hashNotNil:self.finderPattern];
|
}
|
|
- (NSUInteger)hashNotNil:(NSObject *)o {
|
return o == nil ? 0 : o.hash;
|
}
|
|
@end
|
