protected boolean checkImportedNamespaceExists(String importedNamespace, Resource res) {
if (importedNamespace.endsWith(".*")) {
importedNamespace = importedNamespace.substring(0, importedNamespace.length() - 2); // remove
// wildcard
}
IResourceDescriptions resourceDescriptions =
resourceDescriptionsProvider.getResourceDescriptions(res);
URI uri = res.getURI();
IResourceDescription resourceDescription = resourceDescriptions.getResourceDescription(uri);
if (resourceDescription == null) {
return false; // no resource description could be found, so package
// cannot be resolved anyway
}
for (IContainer container :
containerManager.getVisibleContainers(resourceDescription, resourceDescriptions)) {
final Iterable<IResourceDescription> currentDescriptions =
container.getResourceDescriptions();
for (IResourceDescription resDesc : currentDescriptions) {
Iterable<IEObjectDescription> visiblePackages =
resDesc.getExportedObjectsByType(TypesPackage.Literals.PACKAGE);
for (IEObjectDescription pkgDesc : visiblePackages) {
if (pkgDesc.getName().toString().equals(importedNamespace)) {
return true;
}
}
}
}
return false;
}
public void configure(Resource r) {
resource = r;
IResourceDescriptions descriptionIndex = indexProvider.getResourceDescriptions(resource);
IResourceDescription descr = descriptionIndex.getResourceDescription(resource.getURI());
manager = resourceServiceProvider.getContainerManager();
buildExportedObjectsIndex(descr, descriptionIndex);
searchPath = searchPathProvider.get(r);
}
private boolean atLeastOnePackageExistsInIndex(Resource res) {
IResourceDescriptions resourceDescriptions =
resourceDescriptionsProvider.getResourceDescriptions(res);
URI uri = res.getURI();
IResourceDescription resourceDescription = resourceDescriptions.getResourceDescription(uri);
for (IContainer container :
containerManager.getVisibleContainers(resourceDescription, resourceDescriptions)) {
final Iterable<IResourceDescription> currentDescriptions =
container.getResourceDescriptions();
for (IResourceDescription resDesc : currentDescriptions) {
Iterable<IEObjectDescription> visisblePackages =
resDesc.getExportedObjectsByType(TypesPackage.Literals.PACKAGE);
if (!Iterables.isEmpty(visisblePackages)) {
return true;
}
}
}
return false;
}
protected void cacheMetaParameters(EObject scopeDetermeningObject) {
// System.err.println("Computing meta cache");
metaCache = Maps.newHashMap();
Resource scopeDetermeningResource = scopeDetermeningObject.eResource();
IResourceDescriptions descriptionIndex =
indexProvider.getResourceDescriptions(scopeDetermeningResource);
IResourceDescription descr =
descriptionIndex.getResourceDescription(scopeDetermeningResource.getURI());
if (descr == null) return; // give up - some sort of clean build
EClass wantedType = PPTPPackage.Literals.TYPE_ARGUMENT;
for (IContainer visibleContainer : manager.getVisibleContainers(descr, descriptionIndex)) {
for (IEObjectDescription objDesc : visibleContainer.getExportedObjects()) {
QualifiedName q = objDesc.getQualifiedName();
if ("Type".equals(q.getFirstSegment())) {
if (wantedType == objDesc.getEClass() || wantedType.isSuperTypeOf(objDesc.getEClass()))
metaCache.put(q.getLastSegment(), objDesc);
}
}
}
}
protected List<IEObjectDescription> findExternal(
EObject scopeDetermeningObject,
QualifiedName fqn,
PPImportedNamesAdapter importedNames,
boolean prefixMatch,
EClass... eClasses) {
if (scopeDetermeningObject == null)
throw new IllegalArgumentException("scope determening object is null");
if (fqn == null) throw new IllegalArgumentException("name is null");
if (eClasses == null || eClasses.length < 1)
throw new IllegalArgumentException("eClass is null or empty");
if (fqn.getSegmentCount() == 1 && "".equals(fqn.getSegment(0)))
throw new IllegalArgumentException("FQN has one empty segment");
// Not meaningful to record the fact that an Absolute reference was used as nothing
// is named with an absolute FQN (i.e. it is only used to do lookup).
final boolean absoluteFQN = fqn.getSegmentCount() > 0 && "".equals(fqn.getSegment(0));
if (importedNames != null) importedNames.add(absoluteFQN ? fqn.skipFirst(1) : fqn);
List<IEObjectDescription> targets = Lists.newArrayList();
Resource scopeDetermeningResource = scopeDetermeningObject.eResource();
if (scopeDetermeningResource != resource) {
// This is a lookup in the perspective of some other resource
IResourceDescriptions descriptionIndex =
indexProvider.getResourceDescriptions(scopeDetermeningResource);
IResourceDescription descr =
descriptionIndex.getResourceDescription(scopeDetermeningResource.getURI());
// GIVE UP (the system is performing a build clean).
if (descr == null) return targets;
QualifiedName nameOfScope = getNameOfScope(scopeDetermeningObject);
// for(IContainer visibleContainer : manager.getVisibleContainers(descr, descriptionIndex)) {
// for(EClass aClass : eClasses)
for (IEObjectDescription objDesc :
new NameInScopeFilter(
prefixMatch,
getExportedObjects(descr, descriptionIndex),
// visibleContainer.getExportedObjects(),
fqn,
nameOfScope,
eClasses)) targets.add(objDesc);
} else {
// This is lookup from the main resource perspective
QualifiedName nameOfScope = getNameOfScope(scopeDetermeningObject);
for (IEObjectDescription objDesc :
new NameInScopeFilter(
prefixMatch, //
prefixMatch
? exportedPerLastSegment.values()
: exportedPerLastSegment.get(fqn.getLastSegment()), //
fqn,
nameOfScope,
eClasses)) targets.add(objDesc);
}
if (tracer.isTracing()) {
for (IEObjectDescription d : targets)
tracer.trace(" : ", converter.toString(d.getName()), " in: ", d.getEObjectURI().path());
}
return searchPathAdjusted(targets);
}
