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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | 9x 22x 22x 30376x 367534x 367534x 67x 67x 324x 324x 324x 324x 12x 12x 155x 155x 24x 24x 51855x 109x 51746x 51670x 3x 51667x 51676x 6x 51670x 51746x 70x 51676x 367534x 367534x 367534x 367534x 155028x 212506x 51855x 51855x 109x 51746x 70x 51676x 6x 51670x 3x 51855x 6x 6x 6x 6x 6x 6x 112x 112x 112x 3x 3x 3x 85x 85x 85x 6x 6x 3x 3x 18x 18x | import * as rdfjs from "@rdfjs/types";
import { rdf, sh } from "../../ontologies";
import { RdfsReasoner } from "./rdfs-reasoner";
import { GraphUriGenerator, DefaultInferenceGraphHandler } from "./reasoner";
import { dataFactory } from "../data-factory";
const { quad } = dataFactory;
/**
* A simple SKOS reasoner that expands the graph with inferred triples.
*/
export class ShaclReasoner extends RdfsReasoner {
protected classes: Set<string> = new Set();
constructor(targetUriGenerator: GraphUriGenerator = new DefaultInferenceGraphHandler()) {
super(targetUriGenerator);
}
protected isClass(id: string): boolean {
return this.classes.has(id) || super.isClass(id);
}
applyInference(quad: rdfjs.Quad): void {
super.applyInference(quad);
this.inferShapeAxioms(quad);
}
protected override resetState(): void {
super.resetState();
this.classes.clear();
}
protected assertShape(subject: rdfjs.Quad_Subject, type?: rdfjs.NamedNode) {
this.store.add(quad(subject, rdf.type, sh.Shape, this.targetGraph));
Eif (type) {
this.store.add(quad(subject, rdf.type, type, this.targetGraph));
}
this.classes.add(subject.value);
}
protected assertValidator(subject: rdfjs.Quad_Subject) {
this.store.add(quad(subject, rdf.type, sh.Validator, this.targetGraph));
this.classes.add(subject.value);
}
protected assertParameterizable(subject: rdfjs.Quad_Subject) {
this.store.add(quad(subject, rdf.type, sh.Parameterizable, this.targetGraph));
this.classes.add(subject.value);
}
protected assertRule(subject: rdfjs.Quad_Subject) {
this.store.add(quad(subject, rdf.type, sh.Rule, this.targetGraph));
this.classes.add(subject.value);
}
protected isShapeType(subject: rdfjs.Quad_Subject): boolean {
switch (subject.value) {
case sh.Shape.value:
case sh.NodeShape.value:
case sh.PropertyShape.value:
case sh.Parameter.value: {
return true;
}
default: {
return false;
}
}
}
protected isRuleType(subject: rdfjs.Quad_Subject): boolean {
switch (subject.value) {
case sh.Rule.value:
case sh.JSRule.value:
case sh.SPARQLRule.value:
case sh.TripleRule.value: {
return true;
}
default: {
return false;
}
}
}
protected isValidatorType(subject: rdfjs.Quad_Subject): boolean {
switch (subject.value) {
case sh.Validator.value:
case sh.JSValidator.value:
case sh.SPARQLAskValidator.value:
case sh.SPARQLSelectValidator.value: {
return true;
}
default: {
return false;
}
}
}
protected isParameterizableType(subject: rdfjs.Quad_Subject): boolean {
switch (subject.value) {
case sh.Parameter.value:
case sh.ConstraintComponent.value:
case sh.Function.value:
case sh.JSFunction.value:
case sh.SPARQLFunction.value:
case sh.TargetType.value:
case sh.JSTargetType.value:
case sh.SPARQLTargetType.value: {
return true;
}
default: {
return false;
}
}
}
inferShapeAxioms(quad: rdfjs.Quad) {
let s = quad.subject;
let p = quad.predicate;
let o = quad.object.termType != "Literal" ? quad.object : undefined;
if (!o) {
return;
}
switch (p.value) {
case rdf.type.value: {
Iif (o.equals(sh.Shape) || o.equals(sh.Parameterizable)) {
// No need to infer the type, as it is already asserted.
this.classes.add(s.value);
} else if (this.isShapeType(o)) {
this.assertShape(s, o as rdfjs.NamedNode);
} else if (this.isParameterizableType(o)) {
this.assertParameterizable(s);
} else if (this.isValidatorType(o)) {
this.assertValidator(s);
} else if (this.isRuleType(o)) {
this.assertRule(s);
}
return;
}
case sh.targetClass.value: {
this.assertShape(s, sh.NodeShape);
this.assertClass(o);
return;
}
case sh.class.value: {
this.assertShape(s, sh.PropertyShape);
this.assertClass(o);
return;
}
case sh.path.value: {
this.assertShape(s, sh.PropertyShape);
this.assertProperty(o);
return;
}
case sh.property.value: {
this.assertShape(s, sh.NodeShape);
this.assertShape(o, sh.PropertyShape);
return;
}
case sh.parameter.value: {
this.assertShape(o, sh.Parameter);
this.assertParameterizable(s);
return;
}
case sh.labelTemplate.value: {
this.assertParameterizable(s);
return;
}
case sh.validator.value: {
this.assertValidator(o);
return;
}
case sh.rule.value: {
this.assertRule(o);
return;
}
case sh.subject.value:
case sh.predicate.value:
case sh.object.value: {
this.assertRule(s);
return;
}
}
}
} |