NSString+URLEncoding.m

#import "NSString+URLEncoding.h"


@implementation NSString (OAURLEncodingAdditions)

- (NSString *)encodedURLString {
	NSString *result = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
                                                                           (CFStringRef)self,
                                                                           NULL,                   // characters to leave unescaped (NULL = all escaped sequences are replaced)
                                                                           CFSTR("?=&+"),          // legal URL characters to be escaped (NULL = all legal characters are replaced)
                                                                           kCFStringEncodingUTF8); // encoding
	return [result autorelease];
}

- (NSString *)encodedURLParameterString {
    NSString *result = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
                                                                           (CFStringRef)self,
                                                                           NULL,
                                                                           CFSTR(":/=,!$&'()*+;[]@#?"),
                                                                           kCFStringEncodingUTF8);
	return [result autorelease];
}

- (NSString *)decodedURLString {
	NSString *result = (NSString*)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault,
																						  (CFStringRef)self,
																						  CFSTR(""),
																						  kCFStringEncodingUTF8);
	
	return [result autorelease];
	
}

-(NSString *)removeQuotes
{
	NSUInteger length = [self length];
	NSString *ret = self;
	if ([self characterAtIndex:0] == '"') {
		ret = [ret substringFromIndex:1];
	}
	if ([self characterAtIndex:length - 1] == '"') {
		ret = [ret substringToIndex:length - 2];
	}
	
	return ret;
}

@end