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* Metadata mapping is implemented via an `NSProxy` object that stands in for the `sourceObject` of each `RKMappingOperation` * Key paths that are prefixed with `@metadata.` are mapped against the `metadata` dictionary of the operation, else they hit the `sourceObject`. * Metadata is implemented by merging a dictionary of data in from `RKObjectRequestOperation`, through to `RKResponseMapperOperation`, into `RKMapperOperation`, and all the way down into the `RKMappingOperation`, where it is available to each object. By convention, metdata is namespaced into subdictionaries.
44 lines
1.6 KiB
Objective-C
44 lines
1.6 KiB
Objective-C
//
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// RKDictionaryUtilities.m
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// RestKit
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//
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// Created by Blake Watters on 9/11/12.
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// Copyright (c) 2012 RestKit. All rights reserved.
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//
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#import "RKDictionaryUtilities.h"
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NSDictionary * RKDictionaryByMergingDictionaryWithDictionary(NSDictionary *dict1, NSDictionary *dict2)
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{
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if (! dict1) return dict2;
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if (! dict2) return dict1;
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NSMutableDictionary *mergedDictionary = [dict1 mutableCopy];
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[dict2 enumerateKeysAndObjectsUsingBlock:^(id key2, id obj2, BOOL *stop) {
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id obj1 = [dict1 valueForKey:key2];
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if ([obj1 isKindOfClass:[NSDictionary class]] && [obj2 isKindOfClass:[NSDictionary class]]) {
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NSDictionary *mergedSubdict = RKDictionaryByMergingDictionaryWithDictionary(obj1, obj2);
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[mergedDictionary setValue:mergedSubdict forKey:key2];
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} else {
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[mergedDictionary setValue:obj2 forKey:key2];
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}
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}];
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return [mergedDictionary copy];
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}
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NSDictionary * RKDictionaryByReplacingPercentEscapesInEntriesFromDictionary(NSDictionary *dictionary)
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{
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NSMutableDictionary *results = [NSMutableDictionary dictionaryWithCapacity:[dictionary count]];
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[dictionary enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop)
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{
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NSString *escapedKey = [key stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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id escapedValue = value;
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if ([value respondsToSelector:@selector(stringByReplacingPercentEscapesUsingEncoding:)])
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escapedValue = [value stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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[results setObject:escapedValue forKey:escapedKey];
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}];
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return results;
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}
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