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use base_db::{FeatureParams, Workspace};
use hover::{HoverData, HoverParams};
use crate::util::line_index_ext::LineIndexExt;
pub fn find(workspace: &Workspace, params: lsp_types::HoverParams) -> Option<lsp_types::Hover> {
let uri_and_pos = ¶ms.text_document_position_params;
let document = workspace.lookup(&uri_and_pos.text_document.uri)?;
let feature = FeatureParams::new(workspace, document);
let offset = document.line_index.offset_lsp(uri_and_pos.position)?;
let hover = ::hover::find(HoverParams { feature, offset })?;
let contents = match hover.data {
HoverData::Citation(text) => lsp_types::MarkupContent {
kind: lsp_types::MarkupKind::Markdown,
value: text,
},
HoverData::Package(description) => lsp_types::MarkupContent {
kind: lsp_types::MarkupKind::PlainText,
value: description.into(),
},
HoverData::EntryType(type_) => lsp_types::MarkupContent {
kind: lsp_types::MarkupKind::Markdown,
value: type_.documentation?.into(),
},
HoverData::FieldType(type_) => lsp_types::MarkupContent {
kind: lsp_types::MarkupKind::Markdown,
value: type_.documentation.into(),
},
HoverData::Label(label) => lsp_types::MarkupContent {
kind: lsp_types::MarkupKind::PlainText,
value: label.reference(),
},
HoverData::StringRef(text) => lsp_types::MarkupContent {
kind: lsp_types::MarkupKind::PlainText,
value: text,
},
};
Some(lsp_types::Hover {
contents: lsp_types::HoverContents::Markup(contents),
range: document.line_index.line_col_lsp_range(hover.range),
})
}
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