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//
// OrderedDictionary.m
// OrderedDictionary
//
// Created by Matt Gallagher on 19/12/08.
// Copyright 2008 Matt Gallagher. All rights reserved.
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software. Permission is granted to anyone to
// use this software for any purpose, including commercial applications, and to
// alter it and redistribute it freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source
// distribution.
//
#import "RKOrderedDictionary.h"
NSString *RKDescriptionForObject(NSObject *object, id locale, NSUInteger indent);
NSString *RKDescriptionForObject(NSObject *object, id locale, NSUInteger indent)
{
NSString *objectString;
if ([object isKindOfClass:[NSString class]])
{
objectString = (NSString *)[[object retain] autorelease];
}
else if ([object respondsToSelector:@selector(descriptionWithLocale:indent:)])
{
objectString = [(NSDictionary *)object descriptionWithLocale:locale indent:indent];
}
else if ([object respondsToSelector:@selector(descriptionWithLocale:)])
{
objectString = [(NSSet *)object descriptionWithLocale:locale];
}
else
{
objectString = [object description];
}
return objectString;
}
@implementation RKOrderedDictionary
- (id)init
{
return [self initWithCapacity:0];
}
- (id)initWithCapacity:(NSUInteger)capacity
{
self = [super init];
if (self != nil)
{
dictionary = [[NSMutableDictionary alloc] initWithCapacity:capacity];
array = [[NSMutableArray alloc] initWithCapacity:capacity];
}
return self;
}
- (void)dealloc
{
[dictionary release];
[array release];
[super dealloc];
}
- (id)copy
{
return [self mutableCopy];
}
- (void)setObject:(id)anObject forKey:(id)aKey
{
if (![dictionary objectForKey:aKey])
{
[array addObject:aKey];
}
[dictionary setObject:anObject forKey:aKey];
}
- (void)removeObjectForKey:(id)aKey
{
[dictionary removeObjectForKey:aKey];
[array removeObject:aKey];
}
- (NSUInteger)count
{
return [dictionary count];
}
- (id)objectForKey:(id)aKey
{
return [dictionary objectForKey:aKey];
}
- (NSEnumerator *)keyEnumerator
{
return [array objectEnumerator];
}
- (NSEnumerator *)reverseKeyEnumerator
{
return [array reverseObjectEnumerator];
}
- (void)insertObject:(id)anObject forKey:(id)aKey atIndex:(NSUInteger)anIndex
{
if ([dictionary objectForKey:aKey])
{
[self removeObjectForKey:aKey];
}
[array insertObject:aKey atIndex:anIndex];
[dictionary setObject:anObject forKey:aKey];
}
- (id)keyAtIndex:(NSUInteger)anIndex
{
return [array objectAtIndex:anIndex];
}
- (NSString *)descriptionWithLocale:(id)locale indent:(NSUInteger)level
{
NSMutableString *indentString = [NSMutableString string];
NSUInteger i, count = level;
for (i = 0; i < count; i++)
{
[indentString appendFormat:@" "];
}
NSMutableString *description = [NSMutableString string];
[description appendFormat:@"%@{\n", indentString];
for (NSObject *key in self)
{
[description appendFormat:@"%@ %@ = %@;\n",
indentString,
RKDescriptionForObject(key, locale, level),
RKDescriptionForObject([self objectForKey:key], locale, level)];
}
[description appendFormat:@"%@}\n", indentString];
return description;
}
@end
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