shacl_validation/constraints/core/string_based/
pattern.rs

1use crate::constraints::constraint_error::ConstraintError;
2use crate::constraints::NativeValidator;
3use crate::constraints::SparqlValidator;
4use crate::helpers::constraint::validate_ask_with;
5use crate::helpers::constraint::validate_with;
6use crate::validation_report::result::ValidationResult;
7use crate::value_nodes::ValueNodeIteration;
8use crate::value_nodes::ValueNodes;
9use indoc::formatdoc;
10use shacl_ast::compiled::component::CompiledComponent;
11use shacl_ast::compiled::component::Pattern;
12use shacl_ast::compiled::shape::CompiledShape;
13use srdf::Query;
14use srdf::Sparql;
15use srdf::Term;
16use std::fmt::Debug;
17
18impl<S: Query + Debug + 'static> NativeValidator<S> for Pattern {
19    fn validate_native<'a>(
20        &self,
21        component: &CompiledComponent<S>,
22        shape: &CompiledShape<S>,
23        _: &S,
24        value_nodes: &ValueNodes<S>,
25        _source_shape: Option<&CompiledShape<S>>,
26    ) -> Result<Vec<ValidationResult>, ConstraintError> {
27        let pattern = |value_node: &S::Term| {
28            if value_node.is_blank_node() {
29                true
30            } else {
31                todo!()
32            }
33        };
34        validate_with(component, shape, value_nodes, ValueNodeIteration, pattern)
35    }
36}
37
38impl<S: Sparql + Debug + 'static> SparqlValidator<S> for Pattern {
39    fn validate_sparql(
40        &self,
41        component: &CompiledComponent<S>,
42        shape: &CompiledShape<S>,
43        store: &S,
44        value_nodes: &ValueNodes<S>,
45        _source_shape: Option<&CompiledShape<S>>,
46    ) -> Result<Vec<ValidationResult>, ConstraintError> {
47        let flags = self.flags().clone();
48        let pattern = self.pattern().clone();
49
50        let query = |value_node: &S::Term| match &flags {
51            Some(flags) => formatdoc! {
52                "ASK {{ FILTER (regex(str({}), {}, {})) }}",
53                value_node, pattern, flags
54            },
55            None => formatdoc! {
56                "ASK {{ FILTER (regex(str({}), {})) }}",
57                value_node, pattern
58            },
59        };
60
61        validate_ask_with(component, shape, store, value_nodes, query)
62    }
63}
shacl_validation/constraints/core/string_based/pattern.rs

shacl_validation/constraints/core/string_based/
pattern.rs
