Re: [ElementTraversal]: Feature string for DOMImplementation.hasFeature(feature, version)?

Hi Arthur / Doug,

Just following up. Has there been any discussion on this issue?

Thanks.

Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org

Arthur Barstow <art.barstow@nokia.com> wrote on 01/14/2009 10:07:36 AM:

> Hi Michael - Doug agreed to respond to this e-mail so expect a
> reply/proposal from him RSN.
>
> -Regards, Art Barstow
>
> On Jan 12, 2009, at 2:02 AM, ext Michael Glavassevich wrote:
>
> Hi WG,
>
> The DOM Core specification and other DOM modules define feature
> strings [1] which applications can query to check whether or not a
> specific DOM module is supported by a DOMImplementation. For
> example, DOM Level 2 Traversal and Range [2] says: "A DOM
> application may use the hasFeature(feature, version) method of the
> DOMImplementation interface with parameter values "Traversal" and
> "2.0" (respectively) to determine whether or not this module is
> supported by the implementation." These feature strings are also
> useful for selecting a DOMImplementation which supports a specific
> set of features through the methods provided by DOMImplementationRegistry
[3].
>
> After reading the spec it doesn't seem like Element Traversal has
> such a string defined for it, so applications would have no standard
> way for selecting a DOMImplementation which supports Element
> Traversal or determining whether the DOMImplementation instance they
> already have supports it. Is there a reason a feature string was
> omitted from the spec? An oversight, perhaps? Can this be added to the
errata?
>
> Thanks.
>
> [1] http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.
> html#DOMFeatures
> [2] http://www.w3.org/TR/2000/REC-DOM-Level-2-Traversal-
> Range-20001113/traversal.html#Traversal-overview
> [3] http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.
> html#Bootstrap
>
> Michael Glavassevich
> XML Parser Development
> IBM Toronto Lab
> E-mail: mrglavas@ca.ibm.com
> E-mail: mrglavas@apache.org