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Re: NSPropertyListSerialization error with apparently OK data
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Re: NSPropertyListSerialization error with apparently OK data


  • Subject: Re: NSPropertyListSerialization error with apparently OK data
  • From: Matt Gough <email@hidden>
  • Date: Thu, 18 Feb 2010 11:29:10 +0000

Don't know, but maybe 'id' is reserved.

I seem to recall a similar issue with archiving strings that were "NULL" or "nil" or something.

Matt
On 18 Feb 2010, at 11:25:10, Graham Cox wrote:

> I have a structure I'm trying to write as an xml plist. The structure is an array of dictionaries, each dictionary contains a string "catname" and another array of dictionaries, "items". The second level of dictionaries consist of two strings each, "id" and "name".
>
> Example:
>
> (gdb) po catList
> <NSCFArray 0x2e846a30>(
> {
>    catname = "Legends & Inset Maps";
>    items = {(
>        {
>        id = "7CBC1609-ADFB-4CA9-A748-CABE9076842F";
>        name = "World - eastern hemisphere";
>    },
>        {
>        id = "402DEB4D-8C2E-4F4D-9151-E6BA01D194E7";
>        name = "World - western hemisphere";
>    },
>        {
>        id = "6500292B-FDE1-45B7-AFD9-8A0136B25717";
>        name = "Legend 4";
>    },
>        {
>        id = "CC96E4F2-1B20-4496-8962-15B617B3FAF9";
>        name = "Legend 2";
>    },
> ... hundreds of similar entries omitted...
> )};
> },
> {
>    catname = "DrawKit Defaults";
>    items = {(
>        {
>        id = "6B1A0430-204A-4012-B96D-A4EE9890A2A3";
>        name = "Basic Track";
>    },
>        {
>        id = "1DFD6D8A-6C8B-4E4B-9186-90F64654F79F";
>        name = Basic;
>    },
>        {
>        id = "326CF635-7863-42C6-900D-CFFC7D57505E";
>        name = "Helvetica 18.0pt";
>    }
> )};
> }
> )
>
> When I submit this array to the serialization method:
>
> 	NSData* data = [NSPropertyListSerialization dataFromPropertyList:catList format:NSPropertyListXMLFormat_v1_0 errorDescription:&errDesc];
>
> (I know this is deprecated from 10.6 forward but I need to support 10.5 for now)
> I get the error:
>
> "Property list invalid for format"
>
> Since I'm only using arrays, dictionaries and strings, that should be a valid plist, shouldn't it? I've missed something, but what?
>
> I'm also wondering why some strings appear quoted and others are not when I dump the structure in gdb, and whether that's significant.
>
> --Graham
>
>
>
>
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  • Follow-Ups:
    • Re: NSPropertyListSerialization error with apparently OK data
      • From: Jean-Daniel Dupas <email@hidden>
    • Re: NSPropertyListSerialization error with apparently OK data
      • From: Graham Cox <email@hidden>
References: 
 >NSPropertyListSerialization error with apparently OK data (From: Graham Cox <email@hidden>)

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