Refactor FileMatcher to use OsString

src/file.rs

@@ -1,5 +1,7 @@
 use std::error::Error;
+use std::ffi::{OsStr, OsString};
 use std::fmt::{Display, Formatter};
+use std::os::unix::ffi::OsStrExt;
 use std::path::PathBuf;
 
 //TODO this whole structure should probably use OsString instead of String
@@ -83,40 +85,40 @@ impl Display for FileInfoError {
 
 impl Error for FileInfoError {}
 
-//TODO this structure should probably work with OsString instead of String
 #[derive(Debug, Clone)]
 pub struct FileMatcher {
-  name: String,
-  extension: Option<String>,
+  name: OsString,
+  extension: Option<OsString>,
 }
 
 impl FileMatcher {
   pub fn from<S>(name: S) -> Self
   where
-    S: ToString,
+    S: AsRef<OsStr>,
   {
     Self {
-      name: name.to_string(),
+      name: name.as_ref().to_owned(),
       extension: None,
     }
   }
 
   pub fn and_extension<S>(self, extension: S) -> Self
   where
-    S: ToString,
+    S: AsRef<OsStr>,
   {
     Self {
-      extension: Some(extension.to_string()),
+      extension: Some(extension.as_ref().to_owned()),
       ..self
     }
   }
   
-  pub fn matches(&self, file_name: &str) -> bool {
-    file_name.starts_with(&self.name)
+  pub fn matches<S>(&self, file_name: S) -> bool where S: AsRef<OsStr> {
+    let file_name = file_name.as_ref();
+    file_name.as_bytes().starts_with(self.name.as_bytes())
       && self
         .extension
         .as_ref()
-        .is_none_or(|extension| file_name.ends_with(extension))
+        .is_none_or(|extension| file_name.as_bytes().ends_with(extension.as_bytes()))
   }
 }
 

src/main.rs

@@ -359,7 +359,7 @@ fn main() -> Result<(), String> {
                       //TODO avoid lossy match
                       present_file_names
                         .iter()
-                        .filter(|file| file_matcher.matches(&file.to_string_lossy()))
+                        .filter(|file| file_matcher.matches(file))
                         .map(|file| {
                           FileAction::new(
                             file,
@@ -377,7 +377,7 @@ fn main() -> Result<(), String> {
                     OldVersionPolicy::Delete => {
                       //TODO avoid lossy match
                       let mut actions = present_file_names.iter()
-                        .filter(|file| file_matcher.matches(&file.to_string_lossy()))
+                        .filter(|file| file_matcher.matches(file))
                         .map(|file| {
                           //special case -> file has the same name as current file, then we just need to replace it
                           if *file == file_name {