oak_json/
lsp.rs

1use crate::{JsonLanguage, kind::JsonSyntaxKind};
2use core::range::Range;
3use futures::Future;
4use oak_core::tree::RedNode;
5use oak_hover::{Hover, HoverProvider};
6use oak_lsp::service::LanguageService;
7use oak_vfs::Vfs;
8
9/// Hover provider implementation for JSON.
10pub struct JsonHoverProvider;
11
12impl HoverProvider<JsonLanguage> for JsonHoverProvider {
13    fn hover(&self, node: &RedNode<JsonLanguage>, _range: Range<usize>) -> Option<Hover> {
14        let kind = node.green.kind;
15
16        // Provide context-aware hover information
17        let contents = match kind {
18            JsonSyntaxKind::Object => "### JSON Object\nA collection of key-value pairs.",
19            JsonSyntaxKind::Array => "### JSON Array\nAn ordered list of values.",
20            JsonSyntaxKind::ObjectEntry => "### JSON Property\nA key-value pair in an object.",
21            JsonSyntaxKind::StringLiteral => "### JSON String\nA sequence of Unicode characters.",
22            JsonSyntaxKind::NumberLiteral => "### JSON Number\nA numeric value.",
23            JsonSyntaxKind::BooleanLiteral => "### JSON Boolean\nA true or false value.",
24            JsonSyntaxKind::NullLiteral => "### JSON Null\nRepresents the intentional absence of any value.",
25            _ => return None,
26        };
27
28        Some(Hover { contents: contents.to_string(), range: Some(node.span()) })
29    }
30}
31
32/// Language service implementation for JSON.
33pub struct JsonLanguageService<V: Vfs> {
34    vfs: V,
35    workspace: oak_lsp::workspace::WorkspaceManager,
36    hover_provider: JsonHoverProvider,
37}
38
39impl<V: Vfs> JsonLanguageService<V> {
40    /// Creates a new `JsonLanguageService`.
41    pub fn new(vfs: V) -> Self {
42        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: JsonHoverProvider }
43    }
44}
45
46impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for JsonLanguageService<V> {
47    type Lang = JsonLanguage;
48    type Vfs = V;
49
50    fn vfs(&self) -> &Self::Vfs {
51        &self.vfs
52    }
53
54    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
55        &self.workspace
56    }
57
58    fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, JsonLanguage>>> + Send + '_ {
59        let source = self.vfs().get_source(uri);
60        async move {
61            let source = source?;
62            let language = JsonLanguage::default();
63            let parser = crate::parser::JsonParser::new(&language);
64            let lexer = crate::lexer::JsonLexer::new(&language);
65
66            let mut cache = oak_core::parser::session::ParseSession::<JsonLanguage>::default();
67            let _output = oak_core::parser::parse(&parser, &lexer, &source, &[], &mut cache);
68            // In a real implementation, you would convert GreenNode to RedNode properly
69            None
70        }
71    }
72
73    fn hover(&self, uri: &str, range: Range<usize>) -> impl Future<Output = Option<oak_lsp::Hover>> + Send + '_ {
74        let uri = uri.to_string();
75        async move { self.with_root(&uri, |root| self.hover_provider.hover(&root, range).map(|h| oak_lsp::Hover { contents: h.contents, range: h.range })).await.flatten() }
76    }
77}
oak_json/lsp.rs

oak_json/
lsp.rs
