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use rowan::{ast::AstNode, TextRange};
use syntax::bibtex::{self, HasDelims, HasEq, HasName, HasType, HasValue};
use crate::{Document, DocumentData};
use super::{Diagnostic, ErrorCode};
pub fn analyze(document: &mut Document) {
let DocumentData::Bib(data) = &document.data else { return };
for node in bibtex::SyntaxNode::new_root(data.green.clone()).descendants() {
if let Some(entry) = bibtex::Entry::cast(node.clone()) {
analyze_entry(document, entry);
} else if let Some(field) = bibtex::Field::cast(node.clone()) {
analyze_field(document, field);
}
}
}
fn analyze_entry(document: &mut Document, entry: bibtex::Entry) {
if entry.left_delim_token().is_none() {
document.diagnostics.push(Diagnostic {
range: entry.type_token().unwrap().text_range(),
code: ErrorCode::ExpectingLCurly,
});
return;
}
if entry.name_token().is_none() {
document.diagnostics.push(Diagnostic {
range: entry.left_delim_token().unwrap().text_range(),
code: ErrorCode::ExpectingKey,
});
return;
}
if entry.right_delim_token().is_none() {
document.diagnostics.push(Diagnostic {
range: TextRange::empty(entry.syntax().text_range().end()),
code: ErrorCode::ExpectingRCurly,
});
}
}
fn analyze_field(document: &mut Document, field: bibtex::Field) {
if field.eq_token().is_none() {
let code = ErrorCode::ExpectingEq;
document.diagnostics.push(Diagnostic {
range: field.name_token().unwrap().text_range(),
code,
});
return;
}
if field.value().is_none() {
let code = ErrorCode::ExpectingFieldValue;
document.diagnostics.push(Diagnostic {
range: field.name_token().unwrap().text_range(),
code,
});
}
}
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