alamin/websurfx
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Code Issues Releases Activity

feat: add ability to put config file on different paths

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This commit is contained in:
neon_arch 2023-05-23 23:47:36 +03:00
parent 407925545d
commit 89796a054f
1 changed files with 39 additions and 5 deletions
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44
src/config_parser/parser.rs
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@ -3,7 +3,7 @@
use super::parser_models::Style;
use rlua::Lua;
use std::fs;
use std::{format, fs, path::Path};
/// A named struct which stores the parsed config file options.
///
@ -32,13 +32,13 @@ impl Config {
/// or io error if the config.lua file doesn't exists otherwise it returns a newly contructed
/// Config struct with all the parsed config options from the parsed config file.
pub fn parse() -> Result<Self, Box<dyn std::error::Error>> {
let lua = Lua::new();
lua.context(|context| {
Lua::new().context(|context| -> Result<Self, Box<dyn std::error::Error>> {
let globals = context.globals();
context
.load(&fs::read_to_string("./websurfx/config.lua")?)
.load(&fs::read_to_string(
Config::handle_different_config_file_path()?,
)?)
.exec()?;
Ok(Config {
@ -52,4 +52,38 @@ impl Config {
})
})
}
/// A helper function which returns an appropriate config file path checking if the config
/// file exists on that path.
///
/// # Error
///
/// Returns a `config file not found!!` error if the config file is not present under following
/// paths which are:
/// 1. `~/.config/websurfx/` if it not present here then it fallbacks to the next one (2)
/// 2. `/etc/xdg/websurfx/config.lua` if it is not present here then it fallbacks to the next
/// one (3).
/// 3. `websurfx/` (under project folder ( or codebase in other words)) if it is not present
/// here then it returns an error as mentioned above.
fn handle_different_config_file_path() -> Result<String, Box<dyn std::error::Error>> {
if Path::new(
format!(
"{}/.config/websurfx/config.lua",
std::env::var("HOME").unwrap()
)
.as_str(),
)
.exists()
{
Ok(format!(
"{}/.config/websurfx/config.lua",
std::env::var("HOME").unwrap()
))
} else if Path::new("/etc/xdg/websurfx/config.lua").exists() {
Ok("/etc/xdg/websurfx/config.lua".to_string())
} else if Path::new("./websurfx/config.lua").exists() {
Ok("./websurfx/config.lua".to_string())
} else {
Err(format!("Config file not found!!").into())
}
}
}