Mountain/RPC/CocoonService/Provider/
ProvideHover.rs

1#![allow(non_snake_case)]
2
3//! Look up a hover from the registered provider. Joins multiple content
4//! pieces with a Markdown horizontal-rule separator.
5
6use tonic::{Response, Status};
7use url::Url;
8use CommonLibrary::LanguageFeature::{
9	DTO::PositionDTO::PositionDTO,
10	LanguageFeatureProviderRegistry::LanguageFeatureProviderRegistry,
11};
12
13use crate::{
14	RPC::CocoonService::CocoonServiceImpl,
15	Vine::Generated::{Position, ProvideHoverRequest, ProvideHoverResponse, Range},
16	dev_log,
17};
18
19pub async fn Fn(
20	Service:&CocoonServiceImpl,
21
22	Request:ProvideHoverRequest,
23) -> Result<Response<ProvideHoverResponse>, Status> {
24	let URI = Request.uri.as_ref().map(|U| U.value.as_str()).unwrap_or("");
25
26	let Position_ = Request.position.as_ref();
27
28	let Line = Position_.map(|P| P.line).unwrap_or(0);
29
30	let Character = Position_.map(|P| P.character).unwrap_or(0);
31
32	dev_log!(
33		"provider",
34		"ProvideHover entry handle={} uri={} line={} char={}",
35		Request.provider_handle,
36		URI,
37		Line,
38		Character
39	);
40
41	let DocumentURI = Url::parse(URI).map_err(|E| Status::invalid_argument(format!("Invalid URI: {}", E)))?;
42
43	let PositionDTO_ = PositionDTO { LineNumber:Line, Column:Character };
44
45	match Service.environment.ProvideHover(DocumentURI, PositionDTO_).await {
46		Ok(Some(Hover)) => {
47			let Markdown = Hover
48				.Contents
49				.iter()
50				.map(|C| C.Value.as_str())
51				.collect::<Vec<_>>()
52				.join("\n---\n");
53
54			let RangeOption = Hover.Range.map(|R| {
55				Range {
56					start:Some(Position { line:R.StartLineNumber, character:R.StartColumn }),
57					end:Some(Position { line:R.EndLineNumber, character:R.EndColumn }),
58				}
59			});
60
61			dev_log!(
62				"provider",
63				"ProvideHover result handle={} contents_len={} hasRange={}",
64				Request.provider_handle,
65				Markdown.len(),
66				RangeOption.is_some()
67			);
68
69			Ok(Response::new(ProvideHoverResponse { markdown:Markdown, range:RangeOption }))
70		},
71
72		Ok(None) => {
73			dev_log!(
74				"provider",
75				"ProvideHover result handle={} (no provider)",
76				Request.provider_handle
77			);
78
79			Ok(Response::new(ProvideHoverResponse { markdown:String::new(), range:None }))
80		},
81
82		Err(Error) => {
83			dev_log!(
84				"provider",
85				"warn: ProvideHover failed handle={} err={}",
86				Request.provider_handle,
87				Error
88			);
89
90			Err(Status::internal(format!("Hover failed: {}", Error)))
91		},
92	}
93}
Mountain/RPC/CocoonService/Provider/ProvideHover.rs

Mountain/RPC/CocoonService/Provider/
ProvideHover.rs
