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(Objective-C) MIME Header Q and B Encoding and DecodingDemonstrates how to Q and B encode/decode.
#import <CkoStringBuilder.h> CkoStringBuilder *sb = [[CkoStringBuilder alloc] init]; BOOL success; [sb Append: @"This is a test"]; NSLog(@"%@",[sb GetEncoded: @"B" charset: @"utf-8"]); // output is: // =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?= NSLog(@"%@",[sb GetEncoded: @"Q" charset: @"iso-8859-1"]); // output is: // =?utf-8?Q?This_is_a_test?= CkoStringBuilder *sb2 = [[CkoStringBuilder alloc] init]; [sb2 Append: @"=?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?="]; [sb2 Decode: @"B" charset: @"utf-8"]; NSLog(@"%@",[sb2 GetAsString]); // output is: // This is a test [sb2 Clear]; [sb2 Append: @"=?utf-8?Q?This_is_a_test?="]; [sb2 Decode: @"Q" charset: @"utf-8"]; NSLog(@"%@",[sb2 GetAsString]); // output is: // This is a test // "B" or "Q" will decode both B and Q. [sb2 Clear]; [sb2 Append: @"=?utf-8?Q?This_is_a_test?= 123 =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?="]; [sb2 Decode: @"Q" charset: @"utf-8"]; NSLog(@"%@",[sb2 GetAsString]); // output is: // This is a test 123 This is a test |
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