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Versions: 396
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Contents
#import <Foundation/Foundation.h>
#import "WordCountExample.h"
@interface WordCount ()
@property (strong,nonatomic) NSArray *words;
@end
@implementation WordCount
- (id)initWithString:(NSString *)string {
self = [super init];
if (self) {
NSString *cleanString = [self stripUnwantedCharacters:[string lowercaseString]];
[self setWords:[cleanString componentsSeparatedByString:@" "]];
}
return self;
}
- (NSDictionary *)count {
NSMutableDictionary *countDictionary = [NSMutableDictionary dictionary];
[[self words] enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
NSNumber *count = [countDictionary objectForKey:obj];
if (count == NULL) { count = @0; }
if (![(NSString *) obj isEqual: @""] ) {
countDictionary[obj] = [NSNumber numberWithInt: count.intValue + 1];
}
}];
return countDictionary;
}
- (NSString *)stripUnwantedCharacters:(NSString *)text {
NSError *error = NULL;
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"[^\\w\\s]+" options:NSRegularExpressionCaseInsensitive error:&error];
return [regex stringByReplacingMatchesInString:text options:0 range:NSMakeRange(0, [text length]) withTemplate:@""];
}
@end
Version data entries
396 entries across 396 versions & 1 rubygems