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use super::{label_name, selection_range};
use crate::symbol::{LatexSymbol, LatexSymbolKind};
use crate::syntax::*;
use crate::workspace::*;
pub fn symbols(view: &DocumentView, tree: &LatexSyntaxTree) -> Vec<LatexSymbol> {
tree.structure
.captions
.iter()
.filter_map(|caption| make_symbol(view, tree, caption))
.collect()
}
fn make_symbol(
view: &DocumentView,
tree: &LatexSyntaxTree,
caption: &LatexCaption,
) -> Option<LatexSymbol> {
let environment = tree
.env
.environments
.iter()
.find(|env| tree.is_direct_child(env, caption.start()))?;
let text = extract_group(&caption.command.args[caption.index]);
let kind = environment
.left
.name()
.map(LatexToken::text)
.and_then(OutlineCaptionKind::parse)?;
let label = tree.find_label_by_environment(environment);
let number = label
.as_ref()
.and_then(|label| OutlineContext::find_number(view, label));
let name = match &number {
Some(number) => format!("{} {}: {}", kind.as_str(), number, text),
None => format!("{}: {}", kind.as_str(), text),
};
let symbol = LatexSymbol {
name,
label: label_name(label),
kind: match kind {
OutlineCaptionKind::Figure => LatexSymbolKind::Figure,
OutlineCaptionKind::Table => LatexSymbolKind::Table,
OutlineCaptionKind::Listing => LatexSymbolKind::Listing,
OutlineCaptionKind::Algorithm => LatexSymbolKind::Algorithm,
},
deprecated: false,
full_range: environment.range(),
selection_range: selection_range(environment.range(), label),
children: Vec::new(),
};
Some(symbol)
}
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