Frameworks/AIUtilities Framework/Source/AIArrayAdditions.m

   1 //
   2 //  AIArrayAdditions.m
   3 //  AIUtilities.framework
   4 //
   5 //  Created by Evan Schoenberg on 2/15/05.
   6 //  Copyright 2005 The Adium Team. All rights reserved.
   7 //
   8
   9 #import "AIArrayAdditions.h"
  10
  11 @implementation NSArray (AIArrayAdditions)
  12
  13 - (BOOL)containsObjectIdenticalTo:(id)obj
  14 {
  15         return ([self indexOfObjectIdenticalTo:obj] != NSNotFound);
  16 }
  17
  18 // Returns an array from the owners bundle with the specified name
  19 + (NSArray *)arrayNamed:(NSString *)name forClass:(Class)inClass
  20 {
  21     NSBundle            *ownerBundle;
  22     NSString            *arrayPath;
  23
  24     //Get the bundle
  25     ownerBundle = [NSBundle bundleForClass:inClass];
  26
  27     //Open the plist file
  28     arrayPath = [ownerBundle pathForResource:name ofType:@"plist"];
  29
  30     return [[[NSArray alloc] initWithContentsOfFile:arrayPath] autorelease];
  31 }
  32
  33 - (NSComparisonResult)compare:(NSArray *)other
  34 {
  35         NSComparisonResult result = NSOrderedSame;
  36
  37         NSEnumerator *selfEnum = [self objectEnumerator], *otherEnum = [other objectEnumerator];
  38         id selfObj, otherObj = nil;
  39         while ((result == NSOrderedSame) && (selfObj = [selfEnum nextObject]) && (otherObj = [otherEnum nextObject])) {
  40                 result = [selfObj compare:otherObj];
  41         }
  42
  43         if (result == NSOrderedSame) {
  44                 if (selfObj && !otherObj) {
  45                         result = NSOrderedDescending;
  46                 } else if(otherObj && !selfObj) {
  47                         result = NSOrderedAscending;
  48                 }
  49         }
  50
  51         return result;
  52 }
  53
  54 - (BOOL)validateAsPropertyList
  55 {
  56         BOOL validated = YES;
  57         NSEnumerator *enumerator = [self objectEnumerator];
  58         id      value;
  59
  60         while ((value = [enumerator nextObject])) {
  61                 Class valueClass = [value class];
  62                 if (![value isKindOfClass:[NSString class]] &&
  63                         ![value isKindOfClass:[NSData class]] &&
  64                         ![value isKindOfClass:[NSNumber class]] &&
  65                         ![value isKindOfClass:[NSArray class]] &&
  66                         ![value isKindOfClass:[NSDictionary class]] &&
  67                         ![value isKindOfClass:[NSDate class]]) {
  68                         NSLog(@"** Array failed validation: %@: Value %@ is a %@ but must be a string, data, number, array, dictionary, or date",
  69                                   self, value, NSStringFromClass(valueClass));
  70                         validated = NO;
  71                 }
  72
  73                 if ([value isKindOfClass:[NSArray class]] ||[value isKindOfClass:[NSDictionary class]]) {
  74                         BOOL successOfValue = [value validateAsPropertyList];
  75                         if (validated) validated = successOfValue;
  76                 }
  77         }
  78
  79         return validated;
  80 }
  81
  82 @end
  83
  84 @implementation NSMutableArray (ESArrayAdditions)
  85
  86 - (void)addObjectsFromArrayIgnoringDuplicates:(NSArray *)inArray
  87 {
  88         NSEnumerator    *enumerator = [inArray objectEnumerator];
  89         id                              object;
  90
  91         while ((object = [enumerator nextObject])) {
  92                 if (![self containsObject:object]) [self addObject:object];
  93         }
  94 }
  95
  96 - (void)moveObject:(id)object toIndex:(unsigned)newIndex
  97 {
  98         unsigned        currentIndex = [self indexOfObject:object];
  99         NSAssert3(currentIndex != NSNotFound, @"%@ %p does not contain object %p", NSStringFromClass([self class]), self, object);
 100
 101         //if we're already there, do no work
 102         if (currentIndex == newIndex) return;
 103
 104         //Account for shifting
 105         if (currentIndex <  newIndex) newIndex--;
 106
 107         //Move via a remove and add :(
 108         [object retain];
 109         [self removeObject:object];
 110         [self insertObject:object atIndex:newIndex];
 111         [object release];
 112 }
 113
 114 //just a better name for an existing NSMutableArray method.
 115 //this makes it uniform in style with -[NSMutableDictionary setObject:forKey:].
 116 - (void)setObject:(id)object atIndex:(unsigned)index
 117 {
 118         [self replaceObjectAtIndex:index withObject:object];
 119 }
 120
 121 @end