Hot-Reloading Refactor

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/mods/path.rs

@@ -0,0 +1,40 @@
+use std::{
+	env::current_exe,
+	ffi::{OsStr, OsString},
+	path::{Path, PathBuf},
+	time::SystemTime,
+};
+
+use libloading::library_filename;
+
+use crate::Result;
+
+pub fn from_name(name: &str) -> Result<OsString> {
+	let root = PathBuf::new();
+	let exe_path = current_exe()?;
+	let exe_dir = exe_path.parent().unwrap_or(&root);
+	let mut mod_path = exe_dir.to_path_buf();
+	let mod_file = library_filename(name);
+	mod_path.push(mod_file);
+
+	Ok(mod_path.into_os_string())
+}
+
+pub fn to_name(path: &OsStr) -> Result<String> {
+	let path = Path::new(path);
+	let name = path
+		.file_stem()
+		.expect("path file stem")
+		.to_str()
+		.expect("name string");
+	let name = name.strip_prefix("lib").unwrap_or(name).to_owned();
+
+	Ok(name)
+}
+
+pub fn mtime(path: &OsStr) -> Result<SystemTime> {
+	let meta = std::fs::metadata(path)?;
+	let mtime = meta.modified()?;
+
+	Ok(mtime)
+}