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-rw-r--r--support/texlab/src/features/completion/util.rs66
1 files changed, 66 insertions, 0 deletions
diff --git a/support/texlab/src/features/completion/util.rs b/support/texlab/src/features/completion/util.rs
new file mode 100644
index 0000000000..296d6d25d9
--- /dev/null
+++ b/support/texlab/src/features/completion/util.rs
@@ -0,0 +1,66 @@
+use lsp_types::{CompletionItemKind, CompletionParams, Documentation, MarkupContent, MarkupKind};
+use smol_str::SmolStr;
+
+use crate::features::FeatureRequest;
+
+pub fn component_detail(file_names: &[SmolStr]) -> String {
+ if file_names.is_empty() {
+ "built-in".to_owned()
+ } else {
+ file_names.join(", ")
+ }
+}
+
+pub fn image_documentation(
+ request: &FeatureRequest<CompletionParams>,
+ name: &str,
+ image: &str,
+) -> Option<Documentation> {
+ if supports_images(request) {
+ Some(Documentation::MarkupContent(MarkupContent {
+ kind: MarkupKind::Markdown,
+ value: format!(
+ "![{}](data:image/png;base64,{}|width=48,height=48)",
+ name, image
+ ),
+ }))
+ } else {
+ None
+ }
+}
+
+fn supports_images(request: &FeatureRequest<CompletionParams>) -> bool {
+ request
+ .context
+ .client_capabilities
+ .lock()
+ .unwrap()
+ .text_document
+ .as_ref()
+ .and_then(|cap| cap.completion.as_ref())
+ .and_then(|cap| cap.completion_item.as_ref())
+ .and_then(|cap| cap.documentation_format.as_ref())
+ .map_or(true, |formats| formats.contains(&MarkupKind::Markdown))
+}
+
+pub fn adjust_kind(
+ request: &FeatureRequest<CompletionParams>,
+ kind: CompletionItemKind,
+) -> CompletionItemKind {
+ if let Some(value_set) = request
+ .context
+ .client_capabilities
+ .lock()
+ .unwrap()
+ .text_document
+ .as_ref()
+ .and_then(|cap| cap.completion.as_ref())
+ .and_then(|cap| cap.completion_item_kind.as_ref())
+ .and_then(|cap| cap.value_set.as_ref())
+ {
+ if value_set.contains(&kind) {
+ return kind;
+ }
+ }
+ CompletionItemKind::Text
+}