#import "LSRegexMatcher.h"

@interface LSRegexMatcher ()
@property (nonatomic, strong) NSRegularExpression *regex;
@end

@implementation LSRegexMatcher

- (instancetype)initWithRegex:(NSRegularExpression *)regex {
    self = [super init];
    if (self) {
        _regex = regex;
    }
    return self;
}

- (BOOL)matches:(NSString *)string {
    return [self.regex numberOfMatchesInString:string options:0 range:NSMakeRange(0, string.length)] > 0;
}


#pragma mark - Equality

- (BOOL)isEqual:(id)object {
    if (self == object) {
        return YES;
    }

    if (![object isKindOfClass:[LSRegexMatcher class]]) {
        return NO;
    }

    return [self.regex isEqual:((LSRegexMatcher *)object).regex];
}

- (NSUInteger)hash {
    return self.regex.hash;
}

@end