43 lines
758 B
Objective-C
43 lines
758 B
Objective-C
//
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// RACValueTransformer.m
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// ReactiveObjC
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//
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// Created by Josh Abernathy on 3/6/12.
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// Copyright (c) 2012 GitHub, Inc. All rights reserved.
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//
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#import "RACValueTransformer.h"
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@interface RACValueTransformer ()
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@property (nonatomic, copy) id (^transformBlock)(id value);
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@end
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@implementation RACValueTransformer
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#pragma mark NSValueTransformer
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+ (BOOL)allowsReverseTransformation {
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return NO;
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}
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- (id)transformedValue:(id)value {
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return self.transformBlock(value);
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}
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#pragma mark API
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@synthesize transformBlock;
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+ (instancetype)transformerWithBlock:(id (^)(id value))block {
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NSCParameterAssert(block != NULL);
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RACValueTransformer *transformer = [[self alloc] init];
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transformer.transformBlock = block;
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return transformer;
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}
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@end
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