diff options
Diffstat (limited to 'support/texlab/src/features/completion/glossary_ref.rs')
-rw-r--r-- | support/texlab/src/features/completion/glossary_ref.rs | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/support/texlab/src/features/completion/glossary_ref.rs b/support/texlab/src/features/completion/glossary_ref.rs new file mode 100644 index 0000000000..4529129fd7 --- /dev/null +++ b/support/texlab/src/features/completion/glossary_ref.rs @@ -0,0 +1,141 @@ +use cancellation::CancellationToken; +use cstree::TextRange; +use lsp_types::CompletionParams; + +use crate::{ + features::cursor::CursorContext, + syntax::{latex, CstNode}, +}; + +use super::types::{InternalCompletionItem, InternalCompletionItemData}; + +pub fn complete_glossary_entries<'a>( + context: &'a CursorContext<CompletionParams>, + items: &mut Vec<InternalCompletionItem<'a>>, + cancellation_token: &CancellationToken, +) -> Option<()> { + cancellation_token.result().ok()?; + + let token = context.cursor.as_latex()?; + let group = latex::CurlyGroupWord::cast(token.parent()) + .filter(|group| context.is_inside_latex_curly(group))?; + latex::GlossaryEntryReference::cast(group.syntax().parent()?)?; + let range = if token.kind() == latex::WORD { + token.text_range() + } else { + TextRange::empty(context.offset) + }; + + for document in &context.request.subset.documents { + if let Some(data) = document.data.as_latex() { + for node in data.root.descendants() { + cancellation_token.result().ok()?; + + if let Some(name) = latex::GlossaryEntryDefinition::cast(node) + .and_then(|entry| entry.name()) + .and_then(|name| name.word()) + .map(|name| name.text()) + { + items.push(InternalCompletionItem::new( + range, + InternalCompletionItemData::GlossaryEntry { name }, + )); + } else if let Some(name) = latex::AcronymDefinition::cast(node) + .and_then(|entry| entry.name()) + .and_then(|name| name.word()) + .map(|name| name.text()) + { + items.push(InternalCompletionItem::new( + range, + InternalCompletionItemData::Acronym { name }, + )); + } + } + } + } + + Some(()) +} + +#[cfg(test)] +mod tests { + use cstree::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_glossary_entries(&context, &mut actual_items, CancellationToken::none()); + + 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_glossary_entries(&context, &mut actual_items, CancellationToken::none()); + + assert!(actual_items.is_empty()); + } + + #[test] + fn test_simple() { + let request = FeatureTester::builder() + .files(vec![("main.tex", "\\newacronym[longplural={Frames per Second}]{fpsLabel}{FPS}{Frame per Second}\n\\gls{f}")]) + .main("main.tex") + .line(1) + .character(6) + .build() + .completion(); + + let context = CursorContext::new(request); + let mut actual_items = Vec::new(); + complete_glossary_entries(&context, &mut actual_items, CancellationToken::none()); + + assert!(!actual_items.is_empty()); + for item in actual_items { + assert_eq!(item.range, TextRange::new(82.into(), 83.into())); + } + } + + #[test] + fn test_open_brace() { + let request = FeatureTester::builder() + .files(vec![("main.tex", "\\newacronym[longplural={Frames per Second}]{fpsLabel}{FPS}{Frame per Second}\n\\gls{f")]) + .main("main.tex") + .line(1) + .character(6) + .build() + .completion(); + + let context = CursorContext::new(request); + let mut actual_items = Vec::new(); + complete_glossary_entries(&context, &mut actual_items, CancellationToken::none()); + + assert!(!actual_items.is_empty()); + for item in actual_items { + assert_eq!(item.range, TextRange::new(82.into(), 83.into())); + } + } +} |