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use super::combinators::{self, Parameter};
use crate::completion::factory;
use crate::syntax::LANGUAGE_DATA;
use crate::workspace::*;
use futures_boxed::boxed;
use lsp_types::{CompletionItem, CompletionParams, TextEdit};
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub struct LatexColorModelCompletionProvider;
impl FeatureProvider for LatexColorModelCompletionProvider {
type Params = CompletionParams;
type Output = Vec<CompletionItem>;
#[boxed]
async fn execute<'a>(&'a self, request: &'a FeatureRequest<Self::Params>) -> Self::Output {
let parameters = LANGUAGE_DATA
.color_model_commands
.iter()
.map(|cmd| Parameter::new(&cmd.name, cmd.index));
combinators::argument(&request, parameters, |context| {
async move {
let mut items = Vec::new();
for name in MODEL_NAMES {
let text_edit = TextEdit::new(context.range, (*name).into());
let item = factory::color_model(request, name, text_edit);
items.push(item);
}
items
}
})
.await
}
}
const MODEL_NAMES: &[&str] = &["gray", "rgb", "RGB", "HTML", "cmyk"];
#[cfg(test)]
mod tests {
use super::*;
use crate::range::RangeExt;
use lsp_types::{Position, Range};
#[test]
fn test_inside_define_color() {
let items = test_feature(
LatexColorModelCompletionProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.tex", "\\definecolor{name}{}")],
main_file: "foo.tex",
position: Position::new(0, 19),
..FeatureSpec::default()
},
);
assert!(!items.is_empty());
assert_eq!(
items[0].text_edit.as_ref().map(|edit| edit.range),
Some(Range::new_simple(0, 19, 0, 19))
);
}
#[test]
fn test_outside_define_color() {
let items = test_feature(
LatexColorModelCompletionProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.tex", "\\definecolor{name}{}")],
main_file: "foo.tex",
position: Position::new(0, 18),
..FeatureSpec::default()
},
);
assert!(items.is_empty());
}
#[test]
fn tet_inside_define_color_set() {
let items = test_feature(
LatexColorModelCompletionProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.tex", "\\definecolorset{}")],
main_file: "foo.tex",
position: Position::new(0, 16),
..FeatureSpec::default()
},
);
assert!(!items.is_empty());
assert_eq!(
items[0].text_edit.as_ref().map(|edit| edit.range),
Some(Range::new_simple(0, 16, 0, 16))
);
}
}
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