`~/.cache/` IO

[skip ci]

Cargo.lock

@@ -7035,8 +7035,10 @@ dependencies = [
  "glam",
  "idmap",
  "idmap-derive",
+ "log",
  "serde",
  "wayvr-ipc",
+ "xdg 3.0.0",
 ]
 
 [[package]]

wlx-common/Cargo.toml

@@ -12,3 +12,5 @@ idmap = { workspace = true, features = ["serde"] }
 idmap-derive = { workspace = true }
 wayvr-ipc = { path = "../wayvr-ipc", default-features = false }
 anyhow = { workspace = true }
+xdg = "3.0"
+log = { workspace = true }

wlx-common/src/cache_dir.rs

@@ -0,0 +1,35 @@
+use std::{path::PathBuf, sync::LazyLock};
+
+const FALLBACK_CACHE_PATH: &str = "/tmp/wayvr_cache";
+
+static CACHE_ROOT_PATH: LazyLock<PathBuf> = LazyLock::new(|| {
+	if let Some(mut dir) = xdg::BaseDirectories::new().get_cache_home() {
+		dir.push("wayvr");
+		return dir;
+	}
+
+	//Return fallback cache path
+	log::error!("Err: Failed to find cache path, using {FALLBACK_CACHE_PATH}");
+	PathBuf::from(FALLBACK_CACHE_PATH)
+});
+
+fn get_cache_root() -> PathBuf {
+	CACHE_ROOT_PATH.clone()
+}
+
+fn ensure_dir(cache_root_path: &PathBuf) {
+	let _ = std::fs::create_dir(cache_root_path);
+}
+
+pub fn get_data(data_path: &str) -> Option<Vec<u8>> {
+	let mut path = get_cache_root();
+	ensure_dir(&path);
+	path.push(data_path);
+	std::fs::read(path).ok()
+}
+
+pub fn set_data(data_path: &str, data: &[u8]) -> std::io::Result<()> {
+	let mut path = get_cache_root();
+	path.push(data_path);
+	std::fs::write(path, data)
+}

wlx-common/src/lib.rs

@@ -1,4 +1,5 @@
 pub mod astr_containers;
+pub mod cache_dir;
 pub mod common;
 pub mod config;
 pub mod dash_interface;