Method visit_using

src/extraction/csharp_extractor.rs:244–311

Extract a using directive as a Use node.

(state: &mut ExtractionState, node: TsNode<'_>)

    /// Extract a using directive as a Use node.
    fn visit_using(state: &mut ExtractionState, node: TsNode<'_>) {
        let text = state.node_text(node);
        // Strip "using " prefix and trailing ";"
        let path = text
            .trim()
            .strip_prefix("using ")
            .unwrap_or(&text)
            .trim()
            .strip_prefix("static ")
            .unwrap_or(text.trim().strip_prefix("using ").unwrap_or(&text).trim())
            .trim_end_matches(';')
            .trim()
            .to_string();

        let start_line = node.start_position().row as u32;
        let end_line = node.end_position().row as u32;
        let start_column = node.start_position().column as u32;
        let end_column = node.end_position().column as u32;
        let qualified_name = format!("{}::{}", state.qualified_prefix(), path);
        let id = generate_node_id(&state.file_path, &NodeKind::Use, &path, start_line);

        let graph_node = Node {
            id: id.clone(),
            kind: NodeKind::Use,
            name: path.clone(),
            qualified_name,
            file_path: state.file_path.clone(),
            start_line,
            attrs_start_line: start_line,
            end_line,
            start_column,
            end_column,
            signature: Some(text.trim().to_string()),
            docstring: None,
            visibility: Visibility::Private,
            is_async: false,
            branches: 0,
            loops: 0,
            returns: 0,
            max_nesting: 0,
            unsafe_blocks: 0,
            unchecked_calls: 0,
            assertions: 0,
            updated_at: state.timestamp,
            parent_id: None,
        };
        state.nodes.push(graph_node);

        // Contains edge from parent.
        if let Some(parent_id) = state.parent_node_id() {
            state.edges.push(Edge {
                source: parent_id.to_string(),
                target: id.clone(),
                kind: EdgeKind::Contains,
                line: Some(start_line),
            });
        }