XQuery import module relative path

Question

I'd like to use library modules in queries, with the modules stored in one or more configurable places. If I put them in files, and provide the full path to the file like so:
import module namespace pi = 'http://ceridwen.us/2006/mymodule' at 'file:///path/to/module/file'
It works fine so long as the path given is absolute. I've tried several variations on relative paths, including using 'declare base-uri' (which didn't seem to do anything) and XmlQueryContext::setBaseURI (which didn't help find the module file and caused the context to not be able to find the container). I've also tried giving paths relative to pwd and to the environment home. No luck.
It would be even cooler if I could store the modules in a bdb database... but that would require adding a resolver somewhere. Is there a way to use an XmlResolver for this?
Regards,
John Ralls

Answer 1

John,
documentation: Well, if it's right then I'm reading it wrong. I guess that shouldn't be a surprise.
base-uri: OIC.
XmlResolver: Hmm. I added this:
class Resolver : public DbXml::XmlResolver {
public:
     Resolver() : DbXml::XmlResolver() {}
     virtual ~Resolver() {}
     DbXml::XmlInputStream* resolveEntity(DbXml::XmlTransaction* txn,
                         DbXml::XmlManager& mgr,
                         const std::string& systemID,
                         const std::string& publicID) {
     std::cout << "Resolver::resolveEntity: Got systemID " << systemID
          << ", publicID " << publicID << std::endl;
     return NULL;
to my header and
Resolver* rslv = new Resolver();
this->registerResolver(*rslv);
to the constructor of my DbXml::XmlManager-derived manager class.
The resolveEntity() function doesn't output. What's wrong?
(FWIW, the signature of resolveEntity in the documentation and that in the header(XmlResolver.hpp) differ: The latter doesn't have the std::string& result parameter. I tried both ways, and neither produced the output message.
resolveModule: Yes, I think that that would be clearer.
Regards,
John Ralls