stevedlawrence commented on issue #984:
URL:
https://github.com/apache/daffodil-vscode/issues/984#issuecomment-1973537360
Daffodil doesn't really have a way good way to query for all global
elements. You could potentially create `ProcessorFactory` without specifying a
root name/namespace (e.g. `Compiler.compileFile("path/to/schema.dfdl.xsdf")`,
and then query members of its `SchemaSet` to find all possible global element
declarations and their namespace, similar to this:
https://github.com/apache/daffodil/blob/main/daffodil-core/src/main/scala/org/apache/daffodil/core/dsom/SchemaSet.scala#L380-L382
But that's diving pretty deep into the Daffodil internals and probably isn't
recommended.
Probably the easiest approach is to just scan the main schema for global
element declarations yourself (e.g. find `xs:element`'s that are immediate
children of the `xs:schema`, and suggest those as possible roots. And the
suggested namespace is just the `targetNmespace` property.
Technically the root element could come from any included/imported schema,
but that's pretty uncommon--the root almost always comes from the primary
schema. And you probably wouldn't want to suggest all those imported global
element declarations anyways because there are often a bunch of them them and
it would just be confusing to users.
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