Re: [Tracker] Handling arrays in XMP

["Mikkel Kamstrup Erlandsen" <mikkel kamstrup gmail com>]

2007/7/2, jamie <jamiemcc blueyonder co uk>:

On Sun, 2007-07-01 at 19:05 -0700, Jon Phillips wrote:
> On Sun, 2007-07-01 at 12:16 +0100, jamie wrote:
> > On Sat, 2007-06-30 at 17:42 -0700, Jason Kivlighn wrote:
> > >
> > >         1) we do handle multiple value for some metadata but only
> > >         where said
> > >         metadata is defined as supporting multiple values eg like
> > >         keywords
> > >
> > > Is it possible to extract multiple values from tracker-extract?  As
> > > far as I can see, this isn't possible with GHashTable.
> >
> > we have not had the need to in tracker-extract and thats why the code
> > for that is not present there
> >
> > in trackerd, the code is present to handle it (The hashtable takes a
> > GSList of values instead of a string)
> >
> > tracker-extract needs to be reworked with hopefully some XESAM style
> > output so that extractors can be shared across indexers so it might be
> > best to wait for that to happen. In the meantime just extract the first
> > value only and comment out the code for multiple values so we can re
> > enable it later
>
> Or, Jamie, can you outline the steps to add this XESAM style output so
> that Jason could take a crack at it?
>

XESAM output format for metadata has not been defined yet (may never be
either)

I would need to persuade the others to adopt some xml format for this so
its not a short term thing

I know that Jos (strigi) uses some xml output format for his extractors, it is probably worth talking to him for a start.

Unfortunately we cannot squeeze this in to the first xesam iteration (but we can start planning it).

Cheers,
Mikkel