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use lsp_types::CompletionParams;
use crate::features::cursor::CursorContext;
use super::types::{InternalCompletionItem, InternalCompletionItemData};
pub fn complete_user_commands<'a>(
context: &'a CursorContext<CompletionParams>,
items: &mut Vec<InternalCompletionItem<'a>>,
) -> Option<()> {
let range = context.cursor.command_range(context.offset)?;
let token = context.cursor.as_latex()?;
for document in context.request.workspace.documents_by_uri.values() {
if let Some(data) = document.data.as_latex() {
for name in data
.extras
.command_names
.iter()
.filter(|name| name.as_str() != token.text())
.cloned()
{
items.push(InternalCompletionItem::new(
range,
InternalCompletionItemData::UserCommand { name },
));
}
}
}
Some(())
}
#[cfg(test)]
mod tests {
use rowan::TextRange;
use crate::features::testing::FeatureTester;
use super::*;
#[test]
fn test_empty_latex_document() {
let request = FeatureTester::builder()
.files(vec![("main.tex", "")])
.main("main.tex")
.line(0)
.character(0)
.build()
.completion();
let context = CursorContext::new(request);
let mut actual_items = Vec::new();
complete_user_commands(&context, &mut actual_items);
assert!(actual_items.is_empty());
}
#[test]
fn test_empty_bibtex_document() {
let request = FeatureTester::builder()
.files(vec![("main.bib", "")])
.main("main.bib")
.line(0)
.character(0)
.build()
.completion();
let context = CursorContext::new(request);
let mut actual_items = Vec::new();
complete_user_commands(&context, &mut actual_items);
assert!(actual_items.is_empty());
}
#[test]
fn test_latex_simple() {
let request = FeatureTester::builder()
.files(vec![("main.tex", "\\foo\\bar")])
.main("main.tex")
.line(0)
.character(4)
.build()
.completion();
let context = CursorContext::new(request);
let mut actual_items = Vec::new();
complete_user_commands(&context, &mut actual_items);
assert_eq!(actual_items.len(), 1);
for item in actual_items {
assert_eq!(item.range, TextRange::new(1.into(), 4.into()));
}
}
}
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