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use std::collections::HashMap;
use fastobo::ast::*;
use fastobo::error::CardinalityError;
use fastobo::semantics::Identified;
use fastobo::semantics::OboFrame;
use fastobo::visit::Visit;
use super::ValidationError;
use super::Validator;
#[derive(Default)]
pub struct CardinalityChecker<'a> {
header_error: Option<CardinalityError>,
entity_errors: HashMap<&'a Ident, CardinalityError>,
}
macro_rules! impl_visit {
($name:ident, $frame:ty) => {
fn $name(&mut self, frame: &'a $frame) {
if let Err(e) = frame.cardinality_check() {
self.entity_errors.insert(frame.as_id(), e);
}
}
};
}
impl<'a> Visit<'a> for CardinalityChecker<'a> {
impl_visit!(visit_term_frame, TermFrame);
impl_visit!(visit_typedef_frame, TypedefFrame);
impl_visit!(visit_instance_frame, InstanceFrame);
fn visit_header_frame(&mut self, frame: &'a HeaderFrame) {
self.header_error = frame.cardinality_check().err();
}
}
impl Validator for CardinalityChecker<'_> {
fn validate(doc: &OboDoc) -> Vec<ValidationError> {
let mut checker = Self::default();
checker.visit_doc(doc);
let mut errors = Vec::new();
if let Some(err) = checker.header_error {
errors.push(ValidationError {
location: String::from("header"),
cause: Box::new(err),
})
}
for (entity, err) in checker.entity_errors {
errors.push(ValidationError {
location: format!("frame {}", entity),
cause: Box::new(err),
})
}
errors
}
}