use super::{add_contains_edge, add_node_if_missing, make_file_node, run_query_named};
use crate::error::Result;
use crate::extract::{make_id, ImportNode, LanguageExtractor};
use crate::types::{Edge, ExtractionFragment, Node};
use std::collections::HashMap;
use std::path::Path;
pub struct TsDartExtractor;
impl TsDartExtractor {
pub fn extract(source: &[u8], path: &Path) -> Result<ExtractionFragment> {
let (file_id, _, file_node) = make_file_node(path);
let mut fragment = ExtractionFragment {
nodes: vec![file_node],
edges: vec![],
};
let lang = tree_sitter_dart::LANGUAGE.into();
let class_query = r#"
(class_declaration
name: (identifier) @class.name
)
"#;
if let Ok(mut captures) = run_query_named(source, &lang, class_query) {
for name in captures.remove("class.name").unwrap_or_default() {
let id = make_id(&[&file_id, &name]);
fragment.nodes.push(Node {
id: id.clone(),
label: name,
file_type: "class".to_string(),
source_file: path.to_string_lossy().to_string(),
source_location: None,
community: None,
rationale: None,
docstring: None,
metadata: HashMap::new(),
});
add_contains_edge(&mut fragment, &file_id, id, path);
}
}
let method_query = r#"
(method_declaration
signature: (method_signature
(function_signature
name: (identifier) @method.name
)
)
)
"#;
if let Ok(mut captures) = run_query_named(source, &lang, method_query) {
for name in captures.remove("method.name").unwrap_or_default() {
let label = format!("{}()", name);
let id = make_id(&[&file_id, &name]);
fragment.nodes.push(Node {
id: id.clone(),
label,
file_type: "method".to_string(),
source_file: path.to_string_lossy().to_string(),
source_location: None,
community: None,
rationale: None,
docstring: None,
metadata: HashMap::new(),
});
add_contains_edge(&mut fragment, &file_id, id, path);
}
}
let import_query = r#"
(import_specification
uri: (uri
(string_literal) @import.uri))
"#;
if let Ok(mut captures) = run_query_named(source, &lang, import_query) {
for uri in captures.remove("import.uri").unwrap_or_default() {
let module = uri.trim_matches('"').trim().trim_matches('\'');
let mod_id = make_id(&[&file_id, module]);
let mod_node = Node {
id: mod_id.clone(),
label: module.to_string(),
file_type: "module".to_string(),
source_file: path.to_string_lossy().to_string(),
source_location: None,
community: None,
rationale: None,
docstring: None,
metadata: HashMap::new(),
};
add_node_if_missing(&mut fragment, mod_node);
fragment.edges.push(Edge {
source: file_id.clone(),
target: mod_id,
relation: "imports".to_string(),
confidence: "EXTRACTED".to_string(),
source_file: Some(path.to_string_lossy().to_string()),
weight: 1.0,
context: None,
});
}
}
Ok(fragment)
}
}
impl LanguageExtractor for TsDartExtractor {
fn file_extensions(&self) -> Vec<&'static str> {
vec!["dart"]
}
fn extract(&self, source: &[u8], path: &Path) -> Result<ExtractionFragment> {
Self::extract(source, path)
}
fn resolve_imports(&self, _imports: &[ImportNode]) -> Vec<Edge> {
vec![]
}
fn collect_type_refs(&self, _fragment: &mut ExtractionFragment) {}
}