rust_lang.rs•3.97 kB
use tree_sitter::Node;
use std::collections::HashSet;
use super::{Capture, ParseStrategy, get_node_text, get_lines_text};
/// Rust 解析策略
pub struct RustStrategy;
enum CaptureType {
Comment,
Struct,
Enum,
Trait,
Impl,
Function,
Mod,
Use,
}
impl RustStrategy {
fn get_capture_type(&self, name: &str) -> Vec<CaptureType> {
let mut types = Vec::new();
if name.contains("comment") {
types.push(CaptureType::Comment);
}
if name.contains("definition.struct") {
types.push(CaptureType::Struct);
}
if name.contains("definition.enum") {
types.push(CaptureType::Enum);
}
if name.contains("definition.trait") {
types.push(CaptureType::Trait);
}
if name.contains("definition.impl") {
types.push(CaptureType::Impl);
}
if name.contains("definition.function") {
types.push(CaptureType::Function);
}
if name.contains("definition.mod") {
types.push(CaptureType::Mod);
}
if name.contains("definition.use") {
types.push(CaptureType::Use);
}
types
}
fn parse_function(
&self,
node: Node,
source_code: &str,
processed_chunks: &mut HashSet<String>,
) -> Option<String> {
let start_row = node.start_position().row;
let end_row = node.end_position().row;
// 查找签名结束位置（{ 之前）
let signature_end = self.find_brace_start(source_code, start_row, end_row);
let signature = get_lines_text(source_code, start_row, signature_end);
// 移除 { 及之后的内容
let cleaned = signature.split('{').next()?.trim().to_string();
if processed_chunks.contains(&cleaned) {
return None;
}
processed_chunks.insert(cleaned.clone());
Some(cleaned)
}
fn find_brace_start(&self, source_code: &str, start: usize, end: usize) -> usize {
let lines: Vec<&str> = source_code.lines().collect();
for i in start..=end.min(lines.len() - 1) {
if lines[i].contains('{') {
return i;
}
}
start
}
}
impl ParseStrategy for RustStrategy {
fn parse_capture(
&self,
capture: Capture,
source_code: &str,
processed_chunks: &mut HashSet<String>,
) -> Option<String> {
let node = capture.node;
let name = capture.name;
let capture_types = self.get_capture_type(name);
// 函数
if capture_types.iter().any(|t| matches!(t, CaptureType::Function)) {
return self.parse_function(node, source_code, processed_chunks);
}
// Struct, Enum, Trait, Impl - 提取完整定义
if capture_types.iter().any(|t| {
matches!(t, CaptureType::Struct | CaptureType::Enum | CaptureType::Trait | CaptureType::Impl)
}) {
if let Some(parent) = node.parent() {
let start_row = parent.start_position().row;
let end_row = parent.end_position().row;
let full_text = get_lines_text(source_code, start_row, end_row);
let cleaned = full_text.trim().to_string();
if processed_chunks.contains(&cleaned) {
return None;
}
processed_chunks.insert(cleaned.clone());
return Some(cleaned);
}
}
// Mod, Use - 直接提取
let text = get_node_text(node, source_code).trim().to_string();
if processed_chunks.contains(&text) {
return None;
}
processed_chunks.insert(text.clone());
Some(text)
}
}