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use crate::completion::factory::{self, LatexComponentId};
use crate::completion::DATABASE;
use crate::range::RangeExt;
use crate::syntax::*;
use crate::workspace::*;
use futures_boxed::boxed;
use lsp_types::*;
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub struct BibtexCommandCompletionProvider;
impl FeatureProvider for BibtexCommandCompletionProvider {
type Params = CompletionParams;
type Output = Vec<CompletionItem>;
#[boxed]
async fn execute<'a>(&'a self, request: &'a FeatureRequest<Self::Params>) -> Self::Output {
let mut items = Vec::new();
if let SyntaxTree::Bibtex(tree) = &request.document().tree {
let position = request.params.text_document_position.position;
if let Some(BibtexNode::Command(command)) = tree.find(position).last() {
if command.token.range().contains(position)
&& command.token.start().character != position.character
{
let mut range = command.range();
range.start.character += 1;
let component = LatexComponentId::kernel();
for command in &DATABASE.kernel().commands {
let text_edit = TextEdit::new(range, (&command.name).into());
let item = factory::command(
request,
(&command.name).into(),
command.image.as_ref().map(AsRef::as_ref),
command.glyph.as_ref().map(AsRef::as_ref),
text_edit,
&component,
);
items.push(item);
}
}
}
}
items
}
}
#[cfg(test)]
mod tests {
use super::*;
use lsp_types::{Position, Range};
#[test]
fn test_inside_command() {
let items = test_feature(
BibtexCommandCompletionProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.bib", "@article{foo, bar=\n\\}")],
main_file: "foo.bib",
position: Position::new(1, 1),
..FeatureSpec::default()
},
);
assert!(!items.is_empty());
assert_eq!(
items[0].text_edit.as_ref().map(|edit| edit.range),
Some(Range::new_simple(1, 1, 1, 2))
);
}
#[test]
fn test_start_of_command() {
let items = test_feature(
BibtexCommandCompletionProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.bib", "@article{foo, bar=\n\\}")],
main_file: "foo.bib",
position: Position::new(1, 0),
..FeatureSpec::default()
},
);
assert!(items.is_empty());
}
#[test]
fn test_inside_text() {
let items = test_feature(
BibtexCommandCompletionProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.bib", "@article{foo, bar=\n}")],
main_file: "foo.bib",
position: Position::new(1, 0),
..FeatureSpec::default()
},
);
assert!(items.is_empty());
}
#[test]
fn test_latex() {
let items = test_feature(
BibtexCommandCompletionProvider,
FeatureSpec {
files: vec![FeatureSpec::file("foo.tex", "\\")],
main_file: "foo.tex",
position: Position::new(0, 1),
..FeatureSpec::default()
},
);
assert!(items.is_empty());
}
}
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