shacl_validation/constraints/core/string_based/
unique_lang.rsuse std::cell::RefCell;
use std::rc::Rc;
use crate::constraints::constraint_error::ConstraintError;
use crate::constraints::NativeValidator;
use crate::constraints::SparqlValidator;
use crate::constraints::Validator;
use crate::engine::native::NativeEngine;
use crate::engine::sparql::SparqlEngine;
use crate::engine::Engine;
use crate::helpers::constraint::validate_with;
use crate::validation_report::result::ValidationResult;
use crate::value_nodes::ValueNodeIteration;
use crate::value_nodes::ValueNodes;
use shacl_ast::compiled::component::CompiledComponent;
use shacl_ast::compiled::component::UniqueLang;
use shacl_ast::compiled::shape::CompiledShape;
use srdf::QuerySRDF;
use srdf::SRDFBasic;
use srdf::SRDF;
use std::fmt::Debug;
impl<S: SRDFBasic + Debug> Validator<S> for UniqueLang {
fn validate(
&self,
component: &CompiledComponent<S>,
shape: &CompiledShape<S>,
_: &S,
_: impl Engine<S>,
value_nodes: &ValueNodes<S>,
) -> Result<Vec<ValidationResult>, ConstraintError> {
if !self.unique_lang() {
return Ok(Default::default());
}
let langs: Rc<RefCell<Vec<_>>> = Rc::new(RefCell::new(Vec::new()));
let unique_lang = |value_node: &S::Term| {
if let Some(literal) = S::term_as_literal(value_node) {
if let Some(lang) = S::lang(&literal) {
let mut langs_borrowed = langs.borrow_mut();
if langs_borrowed.contains(&lang) {
return true;
} else {
langs_borrowed.push(lang);
}
}
}
false
};
validate_with(
component,
shape,
value_nodes,
ValueNodeIteration,
unique_lang,
)
}
}
impl<S: SRDF + Debug + 'static> NativeValidator<S> for UniqueLang {
fn validate_native(
&self,
component: &CompiledComponent<S>,
shape: &CompiledShape<S>,
store: &S,
value_nodes: &ValueNodes<S>,
) -> Result<Vec<ValidationResult>, ConstraintError> {
self.validate(component, shape, store, NativeEngine, value_nodes)
}
}
impl<S: QuerySRDF + Debug + 'static> SparqlValidator<S> for UniqueLang {
fn validate_sparql(
&self,
component: &CompiledComponent<S>,
shape: &CompiledShape<S>,
store: &S,
value_nodes: &ValueNodes<S>,
) -> Result<Vec<ValidationResult>, ConstraintError> {
self.validate(component, shape, store, SparqlEngine, value_nodes)
}
}