rust/crates/ra_ide/src/assists.rs
Aleksey Kladov 7e73b7a5f8 Minor rename
2020-02-06 18:47:26 +01:00

56 lines
1.7 KiB
Rust

//! FIXME: write short doc here
use either::Either;
use ra_assists::{resolved_assists, AssistAction, AssistLabel};
use ra_db::{FilePosition, FileRange};
use ra_ide_db::RootDatabase;
use crate::{FileId, SourceChange, SourceFileEdit};
pub use ra_assists::AssistId;
#[derive(Debug)]
pub struct Assist {
pub id: AssistId,
pub label: String,
pub change_data: Either<SourceChange, Vec<SourceChange>>,
}
pub(crate) fn assists(db: &RootDatabase, frange: FileRange) -> Vec<Assist> {
resolved_assists(db, frange)
.into_iter()
.map(|assist| {
let file_id = frange.file_id;
let assist_label = &assist.label;
Assist {
id: assist_label.id,
label: assist_label.label.clone(),
change_data: match assist.action_data {
Either::Left(action) => {
Either::Left(action_to_edit(action, file_id, assist_label))
}
Either::Right(actions) => Either::Right(
actions
.into_iter()
.map(|action| action_to_edit(action, file_id, assist_label))
.collect(),
),
},
}
})
.collect()
}
fn action_to_edit(
action: AssistAction,
file_id: FileId,
assist_label: &AssistLabel,
) -> SourceChange {
let file_edit = SourceFileEdit { file_id, edit: action.edit };
SourceChange::source_file_edit(
action.label.unwrap_or_else(|| assist_label.label.clone()),
file_edit,
)
.with_cursor_opt(action.cursor_position.map(|offset| FilePosition { offset, file_id }))
}