Wrong urlencoding

Question

I have this URL: http://google.com and I urlencode it using this:

NSArray *escapeChars = [NSArray arrayWithObjects:@";" , @"/" , @"?" , @":" , @"@" , @"&" , @"=" , @"+" , @"$" , @"," , @"[" , @"]", @"#", @"!", @"'", @"(", @")", @"*", nil]; NSArray *replaceChars = [NSArray arrayWithObjects:@"%3B" , @"%2F" , @"%3F" , @"%3A" , @"%40" , @"%26" , @"%3D" , @"%2B" , @"%24" , @"%2C" , @"%5B" , @"%5D", @"%23", @"%21", @"%27", @"%28", @"%29", @"%2A", nil]; int len = [escapeChars count]; NSMutableString *temp = url; int i; for(i = 0; i < len; i++) { [temp replaceOccurrencesOfString: [escapeChars objectAtIndex:i] withString:[replaceChars objectAtIndex:i] options:NSLiteralSearch range:NSMakeRange(0, [temp length])]; } return temp;

here is the encoded String I get:http0X1.D49C41C5D49CP-5700.0000000.000000google.com

How can that happen?

have you tried stringByAddingPercentEscapesUsingEncoding:

wattson12
– wattson12

2013-02-04 14:49:04 +00:00
Commented Feb 4, 2013 at 14:49 — wattson12
– wattson12, Commented Feb 4, 2013 at 14:49
yes, does give me the original string!

user1710004
– user1710004

2013-02-04 15:04:39 +00:00
Commented Feb 4, 2013 at 15:04 — user1710004
– user1710004, Commented Feb 4, 2013 at 15:04

pbibergal · Accepted Answer · 2013-02-04 14:45:30Z

Here's category for URL encoding:

NSString+URLEncoding.h

#import <Foundation/Foundation.h> @interface NSString (URLEncoding) - (NSString *)urlEncodeUsingEncoding:(NSStringEncoding)encoding; @end

NSString+URLEncoding.m

#import "NSString+URLEncoding.h" @implementation NSString (URLEncoding) - (NSString *)urlEncodeUsingEncoding:(NSStringEncoding)encoding { return (__bridge NSString *)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)self, NULL, (CFStringRef)@"!*'\"();:@&=+$,/?%#[]% ", CFStringConvertNSStringEncodingToEncoding(encoding)); } @end

Usage:

NSString *urlText = @"http://google.com"; NSString *encodedUrlText = [urlText urlEncodeUsingEncoding:NSUTF8StringEncoding];

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