linked_data_schema/
linked_data_schema_field_visitor.rs

1mod uuid;
2
3use prefixmap::IriRef;
4use shacl_ast::component::Component;
5use std::collections::HashSet;
6
7pub trait LinkedDataSchemaFieldVisitor {
8  fn field_components() -> Vec<Component> {
9    vec![]
10  }
11
12  fn type_iri_ref() -> Option<IriRef>;
13}
14
15macro_rules! field_visitor_impl {
16  ($for_type:ty, $uri_datatype:literal) => {
17    impl LinkedDataSchemaFieldVisitor for $for_type {
18      fn field_components() -> Vec<Component> {
19        use std::str::FromStr;
20
21        vec![
22          Component::MinCount(1),
23          Component::MaxCount(1),
24          Component::Datatype(IriRef::from_str($uri_datatype).unwrap()),
25        ]
26      }
27
28      fn type_iri_ref() -> Option<IriRef> {
29        use std::str::FromStr;
30
31        IriRef::from_str($uri_datatype).ok()
32      }
33    }
34  };
35}
36
37field_visitor_impl!(String, "http://www.w3.org/2001/XMLSchema#string");
38field_visitor_impl!(bool, "http://www.w3.org/2001/XMLSchema#boolean");
39field_visitor_impl!(u8, "http://www.w3.org/2001/XMLSchema#unsignedByte");
40field_visitor_impl!(i8, "http://www.w3.org/2001/XMLSchema#byte");
41field_visitor_impl!(u16, "http://www.w3.org/2001/XMLSchema#unsignedShort");
42field_visitor_impl!(i16, "http://www.w3.org/2001/XMLSchema#short");
43field_visitor_impl!(u32, "http://www.w3.org/2001/XMLSchema#unsignedInt");
44field_visitor_impl!(i32, "http://www.w3.org/2001/XMLSchema#int");
45field_visitor_impl!(u64, "http://www.w3.org/2001/XMLSchema#unsignedLong");
46field_visitor_impl!(i64, "http://www.w3.org/2001/XMLSchema#long");
47field_visitor_impl!(usize, "http://www.w3.org/2001/XMLSchema#nonNegativeInteger");
48field_visitor_impl!(isize, "http://www.w3.org/2001/XMLSchema#integer");
49field_visitor_impl!(f32, "http://www.w3.org/2001/XMLSchema#float");
50field_visitor_impl!(f64, "http://www.w3.org/2001/XMLSchema#double");
51
52impl<S: LinkedDataSchemaFieldVisitor> LinkedDataSchemaFieldVisitor for Option<S> {
53  fn field_components() -> Vec<Component> {
54    if let Some(datatype) = S::type_iri_ref() {
55      [
56        S::field_components(),
57        vec![Component::MaxCount(1), Component::Datatype(datatype)],
58      ]
59      .concat()
60    } else {
61      vec![]
62    }
63  }
64
65  fn type_iri_ref() -> Option<IriRef> {
66    None
67  }
68}
69
70impl<S: LinkedDataSchemaFieldVisitor> LinkedDataSchemaFieldVisitor for Vec<S> {
71  fn field_components() -> Vec<Component> {
72    if let Some(datatype) = S::type_iri_ref() {
73      [S::field_components(), vec![Component::Datatype(datatype)]].concat()
74    } else {
75      vec![]
76    }
77  }
78
79  fn type_iri_ref() -> Option<IriRef> {
80    None
81  }
82}
83
84impl<S: LinkedDataSchemaFieldVisitor> LinkedDataSchemaFieldVisitor for HashSet<S> {
85  fn field_components() -> Vec<Component> {
86    if let Some(datatype) = S::type_iri_ref() {
87      [S::field_components(), vec![Component::Datatype(datatype)]].concat()
88    } else {
89      vec![]
90    }
91  }
92
93  fn type_iri_ref() -> Option<IriRef> {
94    None
95  }
96}
linked_data_schema/linked_data_schema_field_visitor.rs

linked_data_schema/
linked_data_schema_field_visitor.rs
