引入日志服务

src/lib.rs

@@ -1,4 +1,5 @@
 use ::log::{debug, error, info, trace, warn};
+use encoding_rs::Encoding;
 use tokio::runtime::Runtime;
 
 mod log;
@@ -7,41 +8,46 @@ mod network;
 #[cxx::bridge]
 mod ffi {
     extern "Rust" {
-        fn download_file(url: &str, path: &str) -> Result<()>;
+        fn download_file(url: &CxxString, path: &CxxString) -> Result<()>;
 
-        fn http_get(url: &str) -> Result<String>;
+        fn http_get(url: &CxxString) -> Result<String>;
 
         fn init_log(is_debug: bool);
 
-        fn log_trace(msg: &str);
+        fn log_trace(msg: &CxxString);
 
-        fn log_debug(msg: &str);
+        fn log_debug(msg: &CxxString);
 
-        fn log_info(msg: &str);
+        fn log_info(msg: &CxxString);
 
-        fn log_warning(msg: &str);
+        fn log_warning(msg: &CxxString);
 
-        fn log_error(msg: &str);
+        fn log_error(msg: &CxxString);
     }
 }
 
-fn log_error(msg: &str) {
+fn log_error(msg: &cxx::CxxString) {
+    let msg = cxx_string_to_string(msg);
     error!("{}", msg);
 }
 
-fn log_warning(msg: &str) {
+fn log_warning(msg: &cxx::CxxString) {
+    let msg = cxx_string_to_string(msg);
     warn!("{}", msg);
 }
 
-fn log_info(msg: &str) {
+fn log_info(msg: &cxx::CxxString) {
+    let msg = cxx_string_to_string(msg);
     info!("{}", msg);
 }
 
-fn log_debug(msg: &str) {
+fn log_debug(msg: &cxx::CxxString) {
+    let msg = cxx_string_to_string(msg);
     debug!("{}", msg);
 }
 
-fn log_trace(msg: &str) {
+fn log_trace(msg: &cxx::CxxString) {
+    let msg = cxx_string_to_string(msg);
     trace!("{}", msg);
 }
 
@@ -53,13 +59,47 @@ fn get_runtime() -> Runtime {
     Runtime::new().expect("创建Tokio运行时失败")
 }
 
-fn download_file(url: &str, path: &str) -> Result<(), Box<dyn std::error::Error>> {
+fn download_file(
+    url: &cxx::CxxString,
+    path: &cxx::CxxString,
+) -> Result<(), Box<dyn std::error::Error>> {
     let rt = get_runtime();
-    rt.block_on(network::download_file(url, path))?;
+    let url = cxx_string_to_string(url);
+    let path = cxx_string_to_string(path);
+    rt.block_on(network::download_file(&url, &path))?;
     Ok(())
 }
 
-fn http_get(url: &str) -> Result<String, Box<dyn std::error::Error>> {
+fn http_get(url: &cxx::CxxString) -> Result<String, Box<dyn std::error::Error>> {
     let rt = get_runtime();
-    rt.block_on(network::http_get(url))
+    let url = cxx_string_to_string(url);
+    rt.block_on(network::http_get(&url))
+}
+
+fn cxx_string_to_string(s: &cxx::CxxString) -> String {
+    match s.to_str() {
+        Ok(s) => return s.to_string(),
+        Err(_) => {}
+    };
+
+    // 不是UTF-8，尝试转换
+    let candidates = [
+        "gb18030",      // 覆盖 GBK/GB2312 的常见场景
+        "windows-1252", // 西欧常见
+        "shift_jis",    // 日文常见
+        "big5",         // 繁体中文常见
+    ];
+
+    let bytes = s.as_bytes();
+
+    for label in candidates {
+        let enc = Encoding::for_label(label.as_bytes()).unwrap();
+        let (cow, _actual_used, had_errors) = enc.decode(bytes);
+        if !had_errors {
+            return cow.into_owned();
+        }
+    }
+
+    /// 编码全部没有命中的话，则丢弃无法解析的部分
+    s.to_string_lossy().into_owned()
 }