235237ddc4
- This ensures that other values than just the arrays are overridden, like nested objects, where it makes sense - merge_depth is set to 3 so that top-level language features are merged (like 'scope'), but everything deeper is overridden with the user-config
42 lines
1.5 KiB
Rust
42 lines
1.5 KiB
Rust
/// Default built-in languages.toml.
|
|
pub fn default_lang_config() -> toml::Value {
|
|
toml::from_slice(include_bytes!("../../languages.toml"))
|
|
.expect("Could not parse built-in languages.toml to valid toml")
|
|
}
|
|
|
|
/// User configured languages.toml file, merged with the default config.
|
|
pub fn user_lang_config() -> Result<toml::Value, toml::de::Error> {
|
|
let config = crate::local_config_dirs()
|
|
.into_iter()
|
|
.chain([crate::config_dir()].into_iter())
|
|
.map(|path| path.join("languages.toml"))
|
|
.filter_map(|file| {
|
|
std::fs::read(&file)
|
|
.map(|config| toml::from_slice(&config))
|
|
.ok()
|
|
})
|
|
.collect::<Result<Vec<_>, _>>()?
|
|
.into_iter()
|
|
.chain([default_lang_config()].into_iter())
|
|
.fold(toml::Value::Table(toml::value::Table::default()), |a, b| {
|
|
// combines for example
|
|
// b:
|
|
// [[language]]
|
|
// name = "toml"
|
|
// language-server = { command = "taplo", args = ["lsp", "stdio"] }
|
|
//
|
|
// a:
|
|
// [[language]]
|
|
// language-server = { command = "/usr/bin/taplo" }
|
|
//
|
|
// into:
|
|
// [[language]]
|
|
// name = "toml"
|
|
// language-server = { command = "/usr/bin/taplo" }
|
|
//
|
|
// thus it overrides the third depth-level of b with values of a if they exist, but otherwise merges their values
|
|
crate::merge_toml_values(b, a, 3)
|
|
});
|
|
|
|
Ok(config)
|
|
}
|