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use cancellation::CancellationToken;
use crate::{
syntax::{
bibtex::{self, HasType},
CstNode,
},
BibtexEntryTypeCategory, LineIndexExt, WorkspaceSubset, LANGUAGE_DATA,
};
use super::types::{InternalSymbol, InternalSymbolKind};
pub fn find_bibtex_symbols(
subset: &WorkspaceSubset,
buf: &mut Vec<InternalSymbol>,
token: &CancellationToken,
) -> Option<()> {
let main_document = subset.documents.first()?;
let data = main_document.data.as_bibtex()?;
for node in data.root.children() {
if token.is_canceled() {
return None;
}
if let Some(string) = bibtex::String::cast(node) {
if let Some(name) = string.name() {
buf.push(InternalSymbol {
name: name.text().into(),
label: None,
kind: InternalSymbolKind::String,
deprecated: false,
full_range: main_document
.line_index
.line_col_lsp_range(string.small_range()),
selection_range: main_document
.line_index
.line_col_lsp_range(name.text_range()),
children: Vec::new(),
})
}
} else if let Some(entry) = bibtex::Entry::cast(node) {
if let Some(ty) = entry.ty() {
if let Some(key) = entry.key() {
let mut children = Vec::new();
for field in entry.fields() {
if let Some(name) = field.name() {
let symbol = InternalSymbol {
name: name.text().to_string(),
label: None,
kind: InternalSymbolKind::Field,
deprecated: false,
full_range: main_document
.line_index
.line_col_lsp_range(field.small_range()),
selection_range: main_document
.line_index
.line_col_lsp_range(name.text_range()),
children: Vec::new(),
};
children.push(symbol);
}
}
let category = LANGUAGE_DATA
.find_entry_type(&ty.text()[1..])
.map(|ty| ty.category)
.unwrap_or(BibtexEntryTypeCategory::Misc);
buf.push(InternalSymbol {
name: key.text().to_string(),
label: None,
kind: InternalSymbolKind::Entry(category),
deprecated: false,
full_range: main_document
.line_index
.line_col_lsp_range(entry.small_range()),
selection_range: main_document
.line_index
.line_col_lsp_range(key.text_range()),
children,
});
}
}
}
}
Some(())
}
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