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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