On Sun, May 31, 2009 at 03:02:16PM +0200, Stefan Behnel wrote: > Hi, > > as a quick follow-up: injecting default attributes works when applying the > schema *after* the parsing step, it does *not* work when validating inside > the parser using the SAX plug.
Ah, okay, yes I think it makes sense, the SAX plug probably doesn't expand the attribute list, it's not trivial I guess. Daniel > Stefan Behnel wrote: > > I'm trying to inject default attributes into a document from an XML Schema > > during parsing. I set up a validation context and set the > > XML_SCHEMA_VAL_VC_I_CREATE option on it, which, if I understand the docs > > correctly, tells the validator to create defaulted/fixed attributes if they > > do not exist already. Then I inject the validation context into the parser > > using "xmlSchemaSAXPlug()". > > > > The schema document I use is > > > > ''' > > <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema";> > > <xsd:element name="a" type="AType"/> > > <xsd:complexType name="AType"> > > <xsd:sequence minOccurs="4" maxOccurs="4"> > > <xsd:element name="b" type="BType" /> > > </xsd:sequence> > > </xsd:complexType> > > <xsd:complexType name="BType"> > > <xsd:attribute name="hardy" type="xsd:string" default="hey" /> > > </xsd:complexType> > > </xsd:schema> > > ''' > > > > The document I parse is > > > > ''' > > <a><b hardy="ho"/><b/><b hardy="ho"/><b/></a> > > ''' > > > > The document validates. However, no default attributes are inserted, > > neither with my code nor with xmllint (which doesn't seem to support that > > anyway). When I debug into the validator code in xmlschemas.c, I get to > > line 25351 (libxml2 2.7.3): > > > > ''' > > /* > > * Get the owner element; needed for creation of default attributes. > > * This fixes bug #341337, reported by David Grohmann. > > */ > > if (vctxt->options & XML_SCHEMA_VAL_VC_I_CREATE) { > > xmlSchemaNodeInfoPtr ielem = vctxt->elemInfos[vctxt->depth]; > > ==> if (ielem && ielem->node && ielem->node->doc) > > defAttrOwnerElem = ielem->node; > > } > > ''' > > > > but "ielem->node" is NULL every time it gets there, so this doesn't fly. > > > > Is there anything else I have to do to make this work? > > > > Thanks, > > > > Stefan > > _______________________________________________ > > xml mailing list, project page http://xmlsoft.org/ > > [email protected] > > http://mail.gnome.org/mailman/listinfo/xml > _______________________________________________ > xml mailing list, project page http://xmlsoft.org/ > [email protected] > http://mail.gnome.org/mailman/listinfo/xml -- Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ [email protected] | Rpmfind RPM search engine http://rpmfind.net/ http://veillard.com/ | virtualization library http://libvirt.org/ _______________________________________________ xml mailing list, project page http://xmlsoft.org/ [email protected] http://mail.gnome.org/mailman/listinfo/xml
