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71 lines
2.9 KiB
Objective-C
71 lines
2.9 KiB
Objective-C
//
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// RKURLEncodedSerialization.m
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// RestKit
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//
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// Created by Blake Watters on 9/4/12.
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// Copyright (c) 2012 RestKit. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#import "RKURLEncodedSerialization.h"
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@implementation RKURLEncodedSerialization
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+ (id)objectFromData:(NSData *)data error:(NSError **)error
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{
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NSString *string = [NSString stringWithUTF8String:[data bytes]];
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return RKDictionaryFromURLEncodedStringWithEncoding(string, NSUTF8StringEncoding);
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}
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+ (NSData *)dataFromObject:(id)object error:(NSError **)error
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{
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NSString *string = RKURLEncodedStringFromDictionaryWithEncoding(object, NSUTF8StringEncoding);
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return [string dataUsingEncoding:NSUTF8StringEncoding];
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}
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@end
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NSDictionary *RKDictionaryFromURLEncodedStringWithEncoding(NSString *URLEncodedString, NSStringEncoding encoding)
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{
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NSMutableDictionary *queryComponents = [NSMutableDictionary dictionary];
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for (NSString *keyValuePairString in [URLEncodedString componentsSeparatedByString:@"&"]) {
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NSArray *keyValuePairArray = [keyValuePairString componentsSeparatedByString:@"="];
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if ([keyValuePairArray count] < 2) continue; // Verify that there is at least one key, and at least one value. Ignore extra = signs
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NSString *key = [[keyValuePairArray objectAtIndex:0] stringByReplacingPercentEscapesUsingEncoding:encoding];
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NSString *value = [[keyValuePairArray objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:encoding];
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// URL spec says that multiple values are allowed per key
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id results = [queryComponents objectForKey:key];
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if (results) {
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if ([results isKindOfClass:[NSMutableArray class]]) {
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[(NSMutableArray *)results addObject:value];
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} else {
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// On second occurrence of the key, convert into an array
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NSMutableArray *values = [NSMutableArray arrayWithObjects:results, value, nil];
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[queryComponents setObject:values forKey:key];
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}
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} else {
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[queryComponents setObject:value forKey:key];
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}
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[results addObject:value];
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}
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return queryComponents;
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}
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extern NSString * AFQueryStringFromParametersWithEncoding(NSDictionary *parameters, NSStringEncoding stringEncoding);
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NSString *RKURLEncodedStringFromDictionaryWithEncoding(NSDictionary *dictionary, NSStringEncoding encoding)
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{
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return AFQueryStringFromParametersWithEncoding(dictionary, encoding);
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}
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