Add example config

util/src/lib.rs

@@ -1,4 +1,4 @@
-use std::{ffi::CStr, fs::File, io::{self, Read}};
+use std::{ffi::CStr, fs::File, io::{self, Read}, path::PathBuf};
 use toml::Value;
 use xcb::x;
 
@@ -11,19 +11,21 @@ pub fn init_logging(env_name: &str) {
         .init();
 }
 
-pub fn load_configuration() -> anyhow::Result<Option<Value>> {
-    match xdg::BaseDirectories::new()?.find_config_file("bscreensaver.toml") {
-        None => Ok(None),
-        Some(config_path) => {
-            let mut f = File::open(config_path)?;
-            let mut config = String::new();
-            f.read_to_string(&mut config)?;
-            drop(f);
+fn parse_config_toml(config_path: &PathBuf) -> anyhow::Result<Value> {
+    let mut f = File::open(config_path)?;
+    let mut config = String::new();
+    f.read_to_string(&mut config)?;
+    drop(f);
 
-            let config_toml = config.parse::<Value>()?;
-            Ok(Some(config_toml))
-        },
-    }
+    let config_toml = config.parse::<Value>()?;
+    Ok(config_toml)
+}
+
+pub fn load_configuration() -> anyhow::Result<Vec<Value>> {
+    xdg::BaseDirectories::new()?
+        .find_config_files("bscreensaver/bscreensaver.toml")
+        .map(|config_path| parse_config_toml(&config_path))
+        .collect()
 }
 
 pub fn create_atom(conn: &xcb::Connection, name: &[u8]) -> xcb::Result<x::Atom> {