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path: root/support/texlab/src/features/hover.rs
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#[cfg(feature = "citation")]
mod citation;
mod component;
mod entry_type;
mod field;
mod label;
mod string_ref;

use cancellation::CancellationToken;
use cfg_if::cfg_if;
use lsp_types::{Hover, HoverParams};

use crate::features::cursor::CursorContext;

use self::{
    component::find_component_hover, entry_type::find_entry_type_hover, field::find_field_hover,
    label::find_label_hover, string_ref::find_string_reference_hover,
};

use super::FeatureRequest;

pub fn find_hover(
    request: FeatureRequest<HoverParams>,
    cabcellation_token: &CancellationToken,
) -> Option<Hover> {
    let context = CursorContext::new(request);
    log::debug!("[Hover] Cursor: {:?}", context.cursor);
    let mut hover = find_label_hover(&context, cabcellation_token);

    cfg_if! {
        if #[cfg(feature = "citation")] {
            hover = hover.or_else(|| self::citation::find_citation_hover(&context, cabcellation_token));
        }
    }

    hover = hover
        .or_else(|| find_component_hover(&context, cabcellation_token))
        .or_else(|| find_string_reference_hover(&context, cabcellation_token))
        .or_else(|| find_field_hover(&context, cabcellation_token))
        .or_else(|| find_entry_type_hover(&context, cabcellation_token));

    hover
}