void XQQuery::importModule(const XMLCh* szUri, VectorOfStrings* locations, StaticContext* context, const LocationInfo *location)
{
for(ImportedModules::iterator modIt = m_importedModules.begin();
modIt != m_importedModules.end(); ++modIt) {
if(XPath2Utils::equals((*modIt)->getModuleTargetNamespace(),szUri)) {
XMLBuffer buf(1023,context->getMemoryManager());
buf.set(X("Module for namespace '"));
buf.append(szUri);
buf.append(X("' has already been imported [err:XQST0047]"));
XQThrow3(StaticErrorException, X("XQQuery::ImportModule"), buf.getRawBuffer(), location);
}
}
if(locations==NULL)
locations=context->resolveModuleURI(szUri);
if(locations==NULL || locations->empty()) {
XMLBuffer buf(1023,context->getMemoryManager());
buf.set(X("Cannot locate module for namespace "));
buf.append(szUri);
buf.append(X(" without the 'at <location>' keyword [err:XQST0059]"));
XQThrow3(StaticErrorException,X("XQQuery::ImportModule"), buf.getRawBuffer(), location);
}
bool bFound=false;
for(VectorOfStrings::iterator it=locations->begin();it!=locations->end();++it) {
InputSource* srcToUse = 0;
if (context->getDocumentCache()->getXMLEntityResolver()){
XMLResourceIdentifier resourceIdentifier(XMLResourceIdentifier::UnKnown,
*it, szUri, XMLUni::fgZeroLenString,
context->getBaseURI());
srcToUse = context->getDocumentCache()->getXMLEntityResolver()->resolveEntity(&resourceIdentifier);
}
if(srcToUse==0) {
try {
XMLURL urlTmp(context->getBaseURI(), *it);
if (urlTmp.isRelative()) {
throw MalformedURLException(__FILE__, __LINE__, XMLExcepts::URL_NoProtocolPresent);
}
srcToUse = new URLInputSource(urlTmp);
}
catch(const MalformedURLException&) {
// It's not a URL, so let's assume it's a local file name.
const XMLCh* baseUri=context->getBaseURI();
if(baseUri && baseUri[0]) {
XMLCh* tmpBuf = XMLPlatformUtils::weavePaths(baseUri, *it);
srcToUse = new LocalFileInputSource(tmpBuf);
XMLPlatformUtils::fgMemoryManager->deallocate(tmpBuf);
}
else {
srcToUse = new LocalFileInputSource(*it);
}
}
}
Janitor<InputSource> janIS(srcToUse);
AutoDelete<DynamicContext> ctxGuard(context->createModuleContext());
DynamicContext *moduleCtx = ctxGuard.get();
moduleCtx->setBaseURI(srcToUse->getSystemId());
LoopDetector loopDetector(context->getXMLEntityResolver(), szUri, location);
moduleCtx->setXMLEntityResolver(&loopDetector);
AutoDelete<XQQuery> pParsedQuery(XQilla::parse(*srcToUse, ctxGuard.adopt(), XQilla::NO_OPTIMIZATION));
if(!pParsedQuery->getIsLibraryModule()) {
XMLBuffer buf(1023,context->getMemoryManager());
buf.set(X("The module at "));
buf.append(srcToUse->getSystemId());
buf.append(X(" is not a module"));
XQThrow3(StaticErrorException, X("XQQuery::ImportModule"), buf.getRawBuffer(), location);
}
if(!XERCES_CPP_NAMESPACE::XMLString::equals(szUri,pParsedQuery->getModuleTargetNamespace())) {
XMLBuffer buf(1023,context->getMemoryManager());
buf.set(X("The module at "));
buf.append(srcToUse->getSystemId());
buf.append(X(" specifies a different namespace [err:XQST0059]"));
XQThrow3(StaticErrorException, X("XQQuery::ImportModule"), buf.getRawBuffer(), location);
}
// now move the variable declarations and the function definitions into my context
for(UserFunctions::iterator itFn = pParsedQuery->m_userDefFns.begin(); itFn != pParsedQuery->m_userDefFns.end(); ++itFn) {
(*itFn)->setModuleDocumentCache(const_cast<DocumentCache*>(moduleCtx->getDocumentCache()));
if((*itFn)->isTemplate()) {
context->addTemplate(*itFn);
}
else if((*itFn)->getName()) {
context->addCustomFunction(*itFn);
}
}
for(GlobalVariables::iterator itVar = pParsedQuery->m_userDefVars.begin(); itVar != pParsedQuery->m_userDefVars.end(); ++itVar) {
for(ImportedModules::const_iterator modIt = m_importedModules.begin();
modIt != m_importedModules.end(); ++modIt) {
for(GlobalVariables::const_iterator varIt = (*modIt)->m_userDefVars.begin();
varIt != (*modIt)->m_userDefVars.end(); ++varIt) {
if(XPath2Utils::equals((*varIt)->getVariableURI(), (*itVar)->getVariableURI()) &&
XPath2Utils::equals((*varIt)->getVariableLocalName(), (*itVar)->getVariableLocalName())) {
XMLBuffer buf(1023,context->getMemoryManager());
buf.set(X("An imported variable {"));
buf.append((*itVar)->getVariableURI());
buf.append(X("}"));
buf.append((*itVar)->getVariableLocalName());
buf.append(X(" conflicts with an already defined global variable [err:XQST0049]."));
XQThrow3(StaticErrorException, X("XQQuery::ImportModule"), buf.getRawBuffer(), *varIt);
}
}
}
}
moduleCtx->setXMLEntityResolver(context->getXMLEntityResolver());
m_importedModules.push_back(pParsedQuery.adopt());
bFound=true;
}
if(!bFound)
{
XMLBuffer buf(1023,context->getMemoryManager());
buf.set(X("Cannot locate the module for namespace \""));
buf.append(szUri);
buf.append(X("\" [err:XQST0059]"));
XQThrow3(StaticErrorException,X("XQQuery::ImportModule"), buf.getRawBuffer(), location);
}
}
