エンコード/デコード

EncodeAndDecode.m

// エンコード
-(NSString*)encode:(NSString*)string{
    NSString *escapedString = (NSString*)CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)string, NULL, (CFStringRef)@"!*'();:@&=+$,/?%#[]", kCFStringEncodingUTF8));
    return escapedString;
}

// デコード
-(NSString*)decode:(NSString*)string{
    NSString *decodedString = (NSString*)CFBridgingRelease(CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, (CFStringRef)string, CFSTR(""), kCFStringEncodingUTF8));
    return decodedString;
    
}