async config loading

src/util.rs

@@ -0,0 +1,26 @@
+use tokio::fs::DirEntry;
+
+pub struct Util;
+
+impl Util {
+    pub fn check_extension(path: &DirEntry, extension: &str) -> bool {
+        if let Some(ext) = path.path().extension() {
+            ext.to_str() == Some(extension)
+        } else {
+            false
+        }
+    }
+
+    pub fn extract_value<'a>(identifier: &str, line: &'a str) -> &'a str {
+        let value = &line[identifier.len()..];
+        let value = value.trim();
+        match value.find('#') {
+            Some(pos) => &value[..pos],
+            None => value,
+        }
+    }
+
+    pub fn split_values(values: &str) -> Vec<&str> {
+        values.split('|').map(|s| s.trim()).collect()
+    }
+}