Add stub for ref resolution

1 files changed, 34 insertions, 0 deletions

diff --git a/src/parser/simplify.rs b/src/parser/simplify.rs
new file mode 100644
index 0000000..2743a69
--- /dev/null
+++ b/src/parser/simplify.rs
@@ -0,0 +1,34 @@
+use std::collections::HashMap;
+
+use crate::target::Target;
+use crate::document_tree::{
+	Document,
+	HasChildren,
+	attribute_types::ID,
+	element_categories as c,
+};
+
+
+trait ResolvableRefs {
+	fn populate_targets(&self, refs: &mut HashMap<&ID, Target>);
+	fn resolve_refs(self, refs: &HashMap<&ID, Target>) -> Self;
+}
+
+pub fn resolve_references(mut doc: Document) -> Document {
+	let mut references = HashMap::new();
+	for c in doc.children() {
+		c.populate_targets(&mut references);
+	}
+	let new: Vec<_> = doc.children_mut().drain(..).map(|c| c.resolve_refs(&references)).collect();
+	Document::with_children(new)
+}
+
+impl ResolvableRefs for c::StructuralSubElement {
+	fn populate_targets(&self, refs: &mut HashMap<&ID, Target>) {
+		//TODO
+	}
+	fn resolve_refs(self, refs: &HashMap<&ID, Target>) -> Self {
+		self //TODO
+	}
+}
+