1//
 2// Licensed under the terms in License.txt
 3//
 4// Copyright 2010 Allen Ding. All rights reserved.
 5//
 6
 7#import "KWFormatter.h"
 8
 9@implementation KWFormatter
10
11
12#pragma mark - Getting Descriptions
13
14+ (NSString *)formatObject:(id)anObject {
15    if ([anObject isKindOfClass:[NSString class]])
16        return [NSString stringWithFormat:@"\"%@\"", anObject];
17
18    else if ([anObject isKindOfClass:[NSDictionary class]])
19        return [anObject description]; // NSDictionary conforms to NSFastEnumeration
20
21    else if ([anObject conformsToProtocol:@protocol(NSFastEnumeration)])
22        return [self formattedCollection:anObject];
23
24    return [anObject description];
25}
26
27
28
29#pragma mark - Private
30
31+ (NSString *)formattedCollection:(id<NSFastEnumeration>)collection {
32
33    NSMutableString *description = [[[NSMutableString alloc] initWithString:@"("] autorelease];
34    NSUInteger index = 0;
35    
36    for (id object in collection) {
37        if (index == 0)
38            [description appendFormat:@"%@", [self formatObject:object]];
39        else
40            [description appendFormat:@", %@", [self formatObject:object]];
41        
42        ++index;
43    }
44    
45    [description appendString:@")"];
46    return description;
47}
48
49
50
51@end