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//
// NSDictionary+QueryString.h
// LROAuth2Client
//
// Created by Luke Redpath on 14/05/2010.
// Copyright 2010 LJR Software Limited. All rights reserved.
//
#import "NSDictionary+QueryString.h"
#import "NSString+QueryString.h"
@implementation NSDictionary (QueryString)
+ (NSDictionary *)dictionaryWithFormEncodedString:(NSString *)encodedString
{
NSMutableDictionary* result = [NSMutableDictionary dictionary];
NSArray* pairs = [encodedString componentsSeparatedByString:@"&"];
for (NSString* kvp in pairs)
{
if ([kvp length] == 0)
continue;
NSRange pos = [kvp rangeOfString:@"="];
NSString *key;
NSString *val;
if (pos.location == NSNotFound)
{
key = [kvp stringByUnescapingFromURLQuery];
val = @"";
}
else
{
key = [[kvp substringToIndex:pos.location] stringByUnescapingFromURLQuery];
val = [[kvp substringFromIndex:pos.location + pos.length] stringByUnescapingFromURLQuery];
}
if (!key || !val)
continue; // I'm sure this will bite my arse one day
[result setObject:val forKey:key];
}
return result;
}
- (NSString *)stringWithFormEncodedComponents
{
NSMutableArray* arguments = [NSMutableArray arrayWithCapacity:[self count]];
for (NSString* key in self)
{
[arguments addObject:[NSString stringWithFormat:@"%@=%@",
[key stringByEscapingForURLQuery],
[[[self objectForKey:key] description] stringByEscapingForURLQuery]]];
}
return [arguments componentsJoinedByString:@"&"];
}
@end
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