1use std::{path::Path, sync::Arc};
 2
 3use anyhow::Result;
 4use collections::HashMap;
 5use gpui::{App, Global, ReadGlobal, UpdateGlobal};
 6use parking_lot::RwLock;
 7use util::ResultExt;
 8
 9use crate::{Snippet, SnippetKind, file_stem_to_key};
10
11struct GlobalSnippetRegistry(Arc<SnippetRegistry>);
12
13impl Global for GlobalSnippetRegistry {}
14
15#[derive(Default)]
16pub struct SnippetRegistry {
17    snippets: RwLock<HashMap<SnippetKind, Vec<Arc<Snippet>>>>,
18}
19
20impl SnippetRegistry {
21    pub fn global(cx: &App) -> Arc<Self> {
22        GlobalSnippetRegistry::global(cx).0.clone()
23    }
24
25    pub fn try_global(cx: &App) -> Option<Arc<Self>> {
26        cx.try_global::<GlobalSnippetRegistry>()
27            .map(|registry| registry.0.clone())
28    }
29
30    pub fn init_global(cx: &mut App) {
31        GlobalSnippetRegistry::set_global(cx, GlobalSnippetRegistry(Arc::new(Self::new())))
32    }
33
34    pub fn new() -> Self {
35        Self {
36            snippets: RwLock::new(HashMap::default()),
37        }
38    }
39
40    pub fn register_snippets(&self, file_path: &Path, contents: &str) -> Result<()> {
41        let snippets_in_file: crate::format::VsSnippetsFile =
42            serde_json_lenient::from_str(contents)?;
43        let kind = file_path
44            .file_stem()
45            .and_then(|stem| stem.to_str().and_then(file_stem_to_key));
46        let snippets = crate::file_to_snippets(snippets_in_file, file_path);
47        self.snippets
48            .write()
49            .insert(kind, snippets.filter_map(Result::log_err).collect());
50
51        Ok(())
52    }
53
54    pub fn get_snippets(&self, kind: &SnippetKind) -> Vec<Arc<Snippet>> {
55        self.snippets.read().get(kind).cloned().unwrap_or_default()
56    }
57}