socket server with rust

src/parser.rs

@@ -0,0 +1,29 @@
+use std::{collections::HashMap, str::FromStr};
+
+pub trait ParamMap {
+    fn parse_param<T: FromStr>(&self, param: &str) -> Result<T, String>;
+}
+
+impl ParamMap for HashMap<String, String> {
+    fn parse_param<T: FromStr>(&self, param: &str) -> Result<T, String> {
+        match self.get(param) {
+            Some(value) => T::from_str(value).map_err(|_| format!("Invalid parameter: {}", param)),
+            None => Err(format!("Parameter not found: {}", param)),
+        }
+    }
+}
+
+pub fn parse(s: &str) -> Result<(String, HashMap<String, String>), String> {
+    let mut parts = s.split("@");
+
+    let method = parts.next().unwrap().trim().to_lowercase();
+
+    let params = parts
+        .map(|p| {
+            let parts = p.split("=").collect::<Vec<&str>>();
+            (parts[0].trim().to_string(), parts[1].trim().to_string())
+        })
+        .collect::<HashMap<String, String>>();
+
+    Ok((method, params))
+}