Re: [xml] Confused: Handling relative paths in catalogs

[Daniel Veillard <veillard redhat com>]

On Wed, Dec 12, 2001 at 08:09:24AM -0800, Steve Lumos wrote:
> Hi.
>
> I'm trying to work with files produced by the Domino XML toolkit,
> which are of type: <!DOCTYPE document SYSTEM "domino.dtd">.  So I did
> "xmlcatalog --create --add system domino.dtd /long/path/domino.dtd catalog"
> and got:
>
> <?xml version="1.0"?>
> <!DOCTYPE catalog PUBLIC "-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN"
> "http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd";>
> <catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
> <system systemId="domino.dtd" uri="/long/path/domino.dtd"/>

   Well ... the semantic of this is unclear to me. systemId is supposed to
be an URI having it relative would make the reference to the catalog URL
ouch ...
 
> The problem is that matching in the catalog apparently looks up
> /path/to/document/domino.dtd instead of just domino.dtd.  Since only
> prefix substitution is allowed, there doesn't seem to be a way to
> match <anything>/domino.dtd.
>
> The result is that this works fine:
>   [/tmp/xml]0$ xmllint --valid --noout note.xml 
>
> But this doesn't:
>   [/tmp/xml]0$ xmllint --valid --noout /tmp/xml/note.xml 
>   /tmp/xml/note.xml:3: error: failed to load external entity
>   "/tmp/xml/domino.dtd"
>   <!DOCTYPE document SYSTEM 'domino.dtd'>
>                                         ^

  Can you provide the debugging output of the catalog resolution as explained at
    http://xmlsoft.org/catalog.html#validate

> Am I missing something? Is there a different way to handle the case
> where the DTD is specified as a relative path?

  I don't have a clear answer, I just pointed Norman Walsh to this
he probably have the answer.

Daniel

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