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#[derive(Debug)]
pub struct CompletionItem {
label: String,
lookup: Option<String>,
snippet: Option<String>,
}
pub enum InsertText {
PlainText { text: String },
Snippet { text: String },
}
impl CompletionItem {
pub(crate) fn new(label: impl Into<String>) -> Builder {
let label = label.into();
Builder {
label,
lookup: None,
snippet: None,
}
}
/// What user sees in pop-up in the UI.
pub fn label(&self) -> &str {
&self.label
}
/// What string is used for filtering.
pub fn lookup(&self) -> &str {
self.lookup
.as_ref()
.map(|it| it.as_str())
.unwrap_or(self.label())
}
/// What is inserted.
pub fn insert_text(&self) -> InsertText {
match &self.snippet {
None => InsertText::PlainText {
text: self.label.clone(),
},
Some(it) => InsertText::Snippet { text: it.clone() },
}
}
}
#[must_use]
pub(crate) struct Builder {
label: String,
lookup: Option<String>,
snippet: Option<String>,
}
impl Builder {
pub fn add_to(self, acc: &mut Vec<CompletionItem>) {
acc.push(self.build())
}
pub fn build(self) -> CompletionItem {
CompletionItem {
label: self.label,
lookup: self.lookup,
snippet: self.snippet,
}
}
pub fn lookup_by(mut self, lookup: impl Into<String>) -> Builder {
self.lookup = Some(lookup.into());
self
}
pub fn snippet(mut self, snippet: impl Into<String>) -> Builder {
self.snippet = Some(snippet.into());
self
}
}
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