Re: Override load/save for NSDictionary ?
Re: Override load/save for NSDictionary ?
- Subject: Re: Override load/save for NSDictionary ?
- From: "Gerriet M. Denkmann" <email@hidden>
- Date: Sat, 6 Dec 2008 00:36:05 +0700
On 5 Dec 2008, at 23:40, "Michael Ash" <email@hidden> wrote:
On Fri, Dec 5, 2008 at 6:58 AM, Graham Cox <email@hidden>
wrote:
I'd love to know what you think is wrong with the file format that
keyed
archiving creates that your own would improve on....?
I can only speak for myself, of course, but there are at least two
major problems with it:
1) It is proprietary, albeit reverse-engineerable, making it difficult
to access your data without Mac OS X.
2) It doesn't correctly escape strings, producing all sorts of fun
results if you encode the string "$null":
NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
@"$null", @"key", nil];
NSData *data = [NSKeyedArchiver archivedDataWithRootObject: dict];
NSDictionary *dict2 = [NSKeyedUnarchiver unarchiveObjectWithData:
data];
$ ./a.out
2008-12-05 10:52:15.637 a.out[1061:10b] *** Terminating app due to
uncaught exception 'NSInvalidArgumentException', reason: '***
-[__NSPlaceholderDictionary initWithObjects:forKeys:]: number of
objects (0) not equal to number of keys (1)'
Does anybody know whether GnuStep has the same NSKeyedArchiver bug?
And, if you have filed a bug, what is its status?
Kind regards,
Gerriet.
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