use crate::completions::{Completer, CompletionOptions, SemanticSuggestion};
use nu_protocol::{
Span, SuggestionKind,
engine::{Stack, StateWorkingSet},
};
use nu_utils::NuCow;
use reedline::Suggestion;
use super::completion_options::NuMatcher;
pub struct StaticCompletion {
options: NuCow<&'static [&'static str], Vec<String>>,
}
impl StaticCompletion {
pub fn new(options: NuCow<&'static [&'static str], Vec<String>>) -> Self {
Self { options }
}
}
impl Completer for StaticCompletion {
fn fetch(
&mut self,
_working_set: &StateWorkingSet,
_stack: &Stack,
prefix: impl AsRef<str>,
span: Span,
offset: usize,
options: &CompletionOptions,
) -> Vec<SemanticSuggestion> {
let mut matcher = NuMatcher::new(prefix, options, true);
let current_span = reedline::Span {
start: span.start - offset,
end: span.end - offset,
};
let mut add_suggestion = |option: &str| {
matcher.add_semantic_suggestion(SemanticSuggestion {
suggestion: Suggestion {
value: option.to_owned(),
span: current_span,
description: None,
..Suggestion::default()
},
kind: Some(SuggestionKind::Value(nu_protocol::Type::String)),
});
};
match self.options {
NuCow::Borrowed(b) => {
for &option in b {
add_suggestion(option);
}
}
NuCow::Owned(ref o) => {
for option in o {
add_suggestion(option.as_str());
}
}
}
matcher.suggestion_results()
}
}