mwoods79 · December 6, 2012 06:14
diff --git a/HolyCow.md b/HolyCow.md
diff --git a/NSDictionaryUrlEncoding.h b/NSDictionaryUrlEncoding.h
 //
 //  NSDictionary+UrlEncoding.h
 //  Itinerary
 //
 //  Created by Micah Woods on 12/5/12.
 //
 //

 #import <Foundation/Foundation.h>

 @interface NSDictionary (UrlEncoding)

 /**
 Returns a representation of the dictionary as a URLEncoded string
 
 @returns A UTF-8 encoded string representation of the keys/values in the dictionary
 */
 - (NSString *)stringWithURLEncodedEntries;
 - (NSString *)URLEncodedString;

 @end
diff --git a/NSDictionaryUrlEncoding.m b/NSDictionaryUrlEncoding.m
 //
 //  NSDictionary+UrlEncoding.m
 //  Itinerary
 //
 //  Created by Micah Woods on 12/5/12.
 //
 //
 // file "NSDictionary+UrlEncoding.m"

 #import "NSDictionary+UrlEncoding.h"
 #import "NSString+UrlEncoding.h"

 @implementation NSDictionary (UrlEncoding)

 - (void)URLEncodePart:(NSMutableArray*)parts path:(NSString*)path value:(id)value {
    NSString *encodedPart = [[value description] stringByAddingURLEncoding];
    [parts addObject:[NSString stringWithFormat: @"%@=%@", path, encodedPart]];
 }

 - (void)URLEncodeParts:(NSMutableArray*)parts path:(NSString*)inPath {
    [self enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop) {
        NSString *encodedKey = [[key description] stringByAddingURLEncoding];
        NSString *path = inPath ? [inPath stringByAppendingFormat:@"[%@]", encodedKey] : encodedKey;
        
        if ([value isKindOfClass:[NSArray class]]) {
 			for (id item in value) {
                if ([item isKindOfClass:[NSDictionary class]] || [item isKindOfClass:[NSMutableDictionary class]]) {
                    [item URLEncodeParts:parts path:[path stringByAppendingString:@"[]"]];
                } else {
                    [self URLEncodePart:parts path:[path stringByAppendingString:@"[]"] value:item];
                }
                
            }
        } else if([value isKindOfClass:[NSDictionary class]] || [value isKindOfClass:[NSMutableDictionary class]]) {
            [value URLEncodeParts:parts path:path];
        }
        else {
            [self URLEncodePart:parts path:path value:value];
        }
    }];
 }

 - (NSString *)stringWithURLEncodedEntries {
    NSMutableArray* parts = [NSMutableArray array];
    [self URLEncodeParts:parts path:nil];
    return [parts componentsJoinedByString:@"&"];
 }

 - (NSString *)URLEncodedString {
    return [self stringWithURLEncodedEntries];
 }

 - (NSString *)HTTPHeaderValueForContentType {
 	return @"application/x-www-form-urlencoded";
 }

 - (NSData*)HTTPBody {
 	return [[self URLEncodedString] dataUsingEncoding:NSUTF8StringEncoding];
 }

 @end
diff --git a/NSStringUrlEncoding.h b/NSStringUrlEncoding.h
 //
 //  NSString+UrlEncoding.h
 //  Itinerary
 //
 //  Created by Micah Woods on 12/5/12.
 //
 //

 #import <Foundation/Foundation.h>

 @interface NSString (UrlEncoding)

 - (NSString *)stringByAddingURLEncoding;

 @end
diff --git a/NSStringUrlEncoding.m b/NSStringUrlEncoding.m
 //
 //  NSString+UrlEncoding.m
 //  Itinerary
 //
 //  Created by Micah Woods on 12/5/12.
 //
 //

 #import "NSString+UrlEncoding.h"

 @implementation NSString (UrlEncoding)

 // NOTE: See http://en.wikipedia.org/wiki/Percent-encoding#Percent-encoding_reserved_characters
 - (NSString *)stringByAddingURLEncoding {
    CFStringRef legalURLCharactersToBeEscaped = CFSTR(":/?#[]@!$ &'()*+,;=\"<>%{}|\\^~`\n\r");
    CFStringRef encodedString = CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
                                                                        (CFStringRef)self,
                                                                        NULL,
                                                                        legalURLCharactersToBeEscaped,
                                                                        kCFStringEncodingUTF8);
 	if (encodedString) {
        return (__bridge NSString *)encodedString;
    }
    
    // TODO: Log a warning?
    return @"";
 }

 @end
	//
	// NSDictionary+UrlEncoding.h
	// Itinerary
	//
	// Created by Micah Woods on 12/5/12.
	//
	//

	#import <Foundation/Foundation.h>

	@interface NSDictionary (UrlEncoding)

	/**
	Returns a representation of the dictionary as a URLEncoded string

	@returns A UTF-8 encoded string representation of the keys/values in the dictionary
	*/
	- (NSString *)stringWithURLEncodedEntries;
	- (NSString *)URLEncodedString;

	@end
	//
	// NSDictionary+UrlEncoding.m
	// Itinerary
	//
	// Created by Micah Woods on 12/5/12.
	//
	//
	// file "NSDictionary+UrlEncoding.m"

	#import "NSDictionary+UrlEncoding.h"
	#import "NSString+UrlEncoding.h"

	@implementation NSDictionary (UrlEncoding)

	- (void)URLEncodePart:(NSMutableArray)parts path:(NSString)path value:(id)value {
	NSString *encodedPart = [[value description] stringByAddingURLEncoding];
	[parts addObject:[NSString stringWithFormat: @"%@=%@", path, encodedPart]];
	}

	- (void)URLEncodeParts:(NSMutableArray)parts path:(NSString)inPath {
	[self enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop) {
	NSString *encodedKey = [[key description] stringByAddingURLEncoding];
	NSString *path = inPath ? [inPath stringByAppendingFormat:@"[%@]", encodedKey] : encodedKey;

	if ([value isKindOfClass:[NSArray class]]) {
	for (id item in value) {
	if ([item isKindOfClass:[NSDictionary class]] \|\| [item isKindOfClass:[NSMutableDictionary class]]) {
	[item URLEncodeParts:parts path:[path stringByAppendingString:@"[]"]];
	} else {
	[self URLEncodePart:parts path:[path stringByAppendingString:@"[]"] value:item];
	}

	}
	} else if([value isKindOfClass:[NSDictionary class]] \|\| [value isKindOfClass:[NSMutableDictionary class]]) {
	[value URLEncodeParts:parts path:path];
	}
	else {
	[self URLEncodePart:parts path:path value:value];
	}
	}];
	}

	- (NSString *)stringWithURLEncodedEntries {
	NSMutableArray* parts = [NSMutableArray array];
	[self URLEncodeParts:parts path:nil];
	return [parts componentsJoinedByString:@"&"];
	}

	- (NSString *)URLEncodedString {
	return [self stringWithURLEncodedEntries];
	}

	- (NSString *)HTTPHeaderValueForContentType {
	return @"application/x-www-form-urlencoded";
	}

	- (NSData*)HTTPBody {
	return [[self URLEncodedString] dataUsingEncoding:NSUTF8StringEncoding];
	}

	@end
	//
	// NSString+UrlEncoding.h
	// Itinerary
	//
	// Created by Micah Woods on 12/5/12.
	//
	//

	#import <Foundation/Foundation.h>

	@interface NSString (UrlEncoding)

	- (NSString *)stringByAddingURLEncoding;

	@end
	//
	// NSString+UrlEncoding.m
	// Itinerary
	//
	// Created by Micah Woods on 12/5/12.
	//
	//

	#import "NSString+UrlEncoding.h"

	@implementation NSString (UrlEncoding)

	// NOTE: See http://en.wikipedia.org/wiki/Percent-encoding#Percent-encoding_reserved_characters
	- (NSString *)stringByAddingURLEncoding {
	CFStringRef legalURLCharactersToBeEscaped = CFSTR(":/?#[]@!$ &'()*+,;=\"<>%{}\|\\^~`\n\r");
	CFStringRef encodedString = CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
	(CFStringRef)self,
	NULL,
	legalURLCharactersToBeEscaped,
	kCFStringEncodingUTF8);
	if (encodedString) {
	return (__bridge NSString *)encodedString;
	}

	// TODO: Log a warning?
	return @"";
	}

	@end