63 lines
1.9 KiB
Objective-C
63 lines
1.9 KiB
Objective-C
// OCHamcrest by Jon Reid, https://qualitycoding.org/
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// Copyright 2019 hamcrest.org. See LICENSE.txt
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#import "HCIsEqualCompressingWhiteSpace.h"
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#import "HCRequireNonNilObject.h"
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static NSString *stripSpaces(NSString *string)
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{
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NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"\\s+"
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options:0
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error:NULL];
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NSString *modifiedString = [regex stringByReplacingMatchesInString:string
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options:0
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range:NSMakeRange(0, string.length)
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withTemplate:@" "];
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return [modifiedString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
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}
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@interface HCIsEqualCompressingWhiteSpace ()
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@property (nonatomic, copy, readonly) NSString *originalString;
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@property (nonatomic, copy, readonly) NSString *strippedString;
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@end
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@implementation HCIsEqualCompressingWhiteSpace
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- (instancetype)initWithString:(NSString *)string
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{
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HCRequireNonNilObject(string);
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self = [super init];
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if (self)
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{
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_originalString = [string copy];
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_strippedString = [stripSpaces(string) copy];
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}
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return self;
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}
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- (BOOL)matches:(nullable id)item
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{
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if (![item isKindOfClass:[NSString class]])
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return NO;
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return [self.strippedString isEqualToString:stripSpaces(item)];
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}
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- (void)describeTo:(id <HCDescription>)description
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{
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[[description appendDescriptionOf:self.originalString]
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appendText:@" ignoring whitespace"];
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}
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@end
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id HC_equalToCompressingWhiteSpace(NSString *expectedString)
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{
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return [[HCIsEqualCompressingWhiteSpace alloc] initWithString:expectedString];
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}
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