Files
wayvr/src/config_io.rs
2024-02-18 22:24:54 +01:00

72 lines
1.8 KiB
Rust

use log::error;
use once_cell::sync::Lazy;
use std::{
fs::{self, create_dir},
path::PathBuf,
};
const FALLBACK_CONFIG_PATH: &str = "/tmp/wlxoverlay";
pub static CONFIG_ROOT_PATH: Lazy<PathBuf> = Lazy::new(|| {
if let Ok(xdg_dirs) = xdg::BaseDirectories::new() {
let mut dir = xdg_dirs.get_config_home();
dir.push("wlxoverlay");
return dir;
}
//Return fallback config path
error!(
"Err: Failed to find config path, using {}",
FALLBACK_CONFIG_PATH
);
PathBuf::from(FALLBACK_CONFIG_PATH)
});
pub fn get_conf_d_path() -> PathBuf {
let mut config_root = CONFIG_ROOT_PATH.clone();
config_root.push("conf.d");
config_root
}
// Make sure config directory is present and return root config path
pub fn ensure_config_root() -> PathBuf {
let path = CONFIG_ROOT_PATH.clone();
let _ = create_dir(&path);
let path_conf_d = get_conf_d_path();
let _ = create_dir(path_conf_d);
path
}
fn get_config_file_path(filename: &str) -> PathBuf {
let mut config_root = CONFIG_ROOT_PATH.clone();
config_root.push(filename);
config_root
}
pub fn load(filename: &str) -> Option<String> {
let path = get_config_file_path(filename);
log::info!("Loading config {}", path.to_string_lossy());
if let Ok(data) = fs::read_to_string(path) {
Some(data)
} else {
None
}
}
#[macro_export]
macro_rules! load_with_fallback {
($filename: expr, $fallback: expr) => {
if let Some(data) = config_io::load($filename) {
data
} else {
log::info!(
"Config {}/{} does not exist, using internal fallback",
config_io::CONFIG_ROOT_PATH.to_string_lossy(),
$filename
);
include_str!($fallback).to_string()
}
};
}