1//! Provides access to Zed settings.
 2
 3#[path = "../wit/since_v0.2.0/settings.rs"]
 4mod types;
 5
 6use crate::{Project, Result, SettingsLocation, Worktree, wit};
 7use serde_json;
 8pub use types::*;
 9
10impl LanguageSettings {
11    /// Returns the [`LanguageSettings`] for the given language.
12    pub fn for_worktree(language: Option<&str>, worktree: &Worktree) -> Result<Self> {
13        get_settings("language", language, Some(worktree.id()))
14    }
15}
16
17impl LspSettings {
18    /// Returns the [`LspSettings`] for the given language server.
19    pub fn for_worktree(language_server_name: &str, worktree: &Worktree) -> Result<Self> {
20        get_settings("lsp", Some(language_server_name), Some(worktree.id()))
21    }
22}
23
24impl ContextServerSettings {
25    /// Returns the [`ContextServerSettings`] for the given context server.
26    pub fn for_project(context_server_id: &str, project: &Project) -> Result<Self> {
27        let global_setting: Self = get_settings("context_servers", Some(context_server_id), None)?;
28
29        for worktree_id in project.worktree_ids() {
30            let settings = get_settings(
31                "context_servers",
32                Some(context_server_id),
33                Some(worktree_id),
34            )?;
35            if settings != global_setting {
36                return Ok(settings);
37            }
38        }
39
40        Ok(global_setting)
41    }
42}
43
44fn get_settings<T: serde::de::DeserializeOwned>(
45    settings_type: &str,
46    settings_name: Option<&str>,
47    worktree_id: Option<u64>,
48) -> Result<T> {
49    let location = worktree_id.map(|worktree_id| SettingsLocation {
50        worktree_id,
51        path: String::new(),
52    });
53    let settings_json = wit::get_settings(location.as_ref(), settings_type, settings_name)?;
54    let settings: T = serde_json::from_str(&settings_json).map_err(|err| err.to_string())?;
55    Ok(settings)
56}