Common spec/interface for file metadata

[nf2]

Perhaps this would be an interesting feature for "DVFS-light", because 
its "ls" function returns the file-info as key/value map. Therefore 
returning file-metadata would be quite easy (if requested in the {OPTS} 
of "ls").

regards,
Norbert


Jamie McCracken wrote:

> Alexander Larsson wrote:
>
>
>> While such an API is simple and works for some apps its certainly not
>> gonna be usable for applications like file managers or indexers. Calling
>> a separate out of process RPC for each file while loading a directory
>> would totally kill performance. 
>
>
> If it were needed to be called on each file while loading a directory 
> (which would only be for limited things like the mime type) then we 
> could also have an API to return a specific metadata for each file in 
> a directory in one shot.
>
> EG
>
> GetMimeTypesForFilesInFolder
>   input DBUS_TYPE_STRING s (the folder uri)
>   output DBUS_TYPE_DICT  a{ss} (the metadata as filename, mimetype)
>
> Most of the other metadata would be retrieved on demand by users 
> requesting to see additional metadata for a file so the previous API 
> should suffice for that.
>