Re: [xml] post-XInclude validation using schema, not DTD

[Daniel Veillard <veillard redhat com>]

On Tue, Oct 09, 2007 at 06:59:48PM -0500, Ben Liblit wrote:
> If I run xmllint with "xmllint --noxincludenode --postvalid ...", then 
> xmllint will check my document against a DTD after all XInclude 
> inclusions have been processed.
> 
> How do I do post-XInclude validation using a W3C XML Schema instead? 
> The obvious "xmllint --noxincludenode --postvalid --schema foo.xsd ..." 
> does not work; xmllint still tries to load a DTD.  Inspection of the 
> "xmllint.c" source code confirms that "--postvalid" turns on DTD loading:
> 
> 	} else if ((!strcmp(argv[i], "-postvalid")) ||
> 	         (!strcmp(argv[i], "--postvalid"))) {
> 	    postvalid++;
> 	    loaddtd++;
> 	    options |= XML_PARSE_DTDLOAD;
> 
> Is there simply no way to postvalidate using RelaxNG or W3C XML Schemas?

  The problem only occurs for DTD because DTD validation is defined as
part of the parsing phase ! For RelaxNG or XSD, you parse an existing tree,
so postvalid is by definition of these validation schemes and that flag
should not be used for those !

Daniel

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