From 7a9c85b1afa01a5d76707ca05be7779a1b1135bf Mon Sep 17 00:00:00 2001
From: Jesse Wright <63333554+jeswr@users.noreply.github.com>
Date: Sun, 7 May 2023 22:42:54 +0200
Subject: [PATCH] feat: allow the baseIRI to be provided (#33)

---
 __tests__/Conformance-test.js | 58 +++++++++++++++++++++++++++++++++--
 lib/index.d.ts                |  1 +
 lib/index.js                  |  6 ++--
 3 files changed, 59 insertions(+), 6 deletions(-)

diff --git a/__tests__/Conformance-test.js b/__tests__/Conformance-test.js
index 66252c3..53451b9 100644
--- a/__tests__/Conformance-test.js
+++ b/__tests__/Conformance-test.js
@@ -1,6 +1,7 @@
 const fs = require('fs');
 const path = require('path');
 const Parser = require('../lib').Parser;
+const parse = require('../lib').parse;
 const N3 = require('n3');
 require('jest-rdf');
 
@@ -8,7 +9,7 @@ describe('Testing each conformance file', () => {
   it.each(
     fs.readdirSync(path.join(__dirname, 'valid')).filter(str => str.endsWith('.shaclc'))
   )('testing %s correctly parses', (file) => {
-    
+
     const shaclc = fs.readFileSync(path.join(__dirname, 'valid', file)).toString();
     const ttl = fs.readFileSync(path.join(__dirname, 'valid', file.replace('.shaclc', '.ttl'))).toString();
 
@@ -20,12 +21,11 @@ describe('Testing each conformance file', () => {
   });
 });
 
-
 describe('Testing each extended conformance file', () => {
   it.each(
     fs.readdirSync(path.join(__dirname, 'extended')).filter(str => str.endsWith('.shaclc'))
   )('testing %s correctly parses when extended is enabled', (file) => {
-    
+
     const shaclc = fs.readFileSync(path.join(__dirname, 'extended', file)).toString();
     const ttl = fs.readFileSync(path.join(__dirname, 'extended', file.replace('.shaclc', '.ttl'))).toString();
 
@@ -43,3 +43,55 @@ describe('Testing each extended conformance file', () => {
     expect(() => (new Parser()).parse(shaclc)).toThrowError();
   });
 });
+
+describe('Testing relative IRIs', () => {
+  it('should use the provided baseIRI to resolve relative IRIs', () => {
+    expect(parse(`
+    PREFIX ex: <http://example.org/>
+
+    shape <#MyShape> -> </MyClass> {
+    }
+    `, { baseIRI: 'http://www.jeswr.org/' })).toBeRdfIsomorphic([
+      N3.DataFactory.quad(
+        N3.DataFactory.namedNode('http://www.jeswr.org/#MyShape'),
+        N3.DataFactory.namedNode('http://www.w3.org/ns/shacl#targetClass'),
+        N3.DataFactory.namedNode('http://www.jeswr.org/MyClass'),
+      ),
+      N3.DataFactory.quad(
+        N3.DataFactory.namedNode('http://www.jeswr.org/#MyShape'),
+        N3.DataFactory.namedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'),
+        N3.DataFactory.namedNode('http://www.w3.org/ns/shacl#NodeShape'),
+      ),
+      N3.DataFactory.quad(
+        N3.DataFactory.namedNode('http://www.jeswr.org/'),
+        N3.DataFactory.namedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'),
+        N3.DataFactory.namedNode('http://www.w3.org/2002/07/owl#Ontology'),
+      )
+    ])
+  });
+
+  it('should use the provided baseIRI to resolve relative IRIs', () => {
+    expect(parse(`
+    PREFIX ex: <http://example.org/>
+
+    shape <#MyShape> -> </MyClass> {
+    }
+    `, { baseIRI: 'http://www.jeswr.org/humanShape' })).toBeRdfIsomorphic([
+      N3.DataFactory.quad(
+        N3.DataFactory.namedNode('http://www.jeswr.org/humanShape#MyShape'),
+        N3.DataFactory.namedNode('http://www.w3.org/ns/shacl#targetClass'),
+        N3.DataFactory.namedNode('http://www.jeswr.org/MyClass'),
+      ),
+      N3.DataFactory.quad(
+        N3.DataFactory.namedNode('http://www.jeswr.org/humanShape#MyShape'),
+        N3.DataFactory.namedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'),
+        N3.DataFactory.namedNode('http://www.w3.org/ns/shacl#NodeShape'),
+      ),
+      N3.DataFactory.quad(
+        N3.DataFactory.namedNode('http://www.jeswr.org/humanShape'),
+        N3.DataFactory.namedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'),
+        N3.DataFactory.namedNode('http://www.w3.org/2002/07/owl#Ontology'),
+      )
+    ])
+  });
+});
diff --git a/lib/index.d.ts b/lib/index.d.ts
index 6c327ef..00d64b2 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -2,6 +2,7 @@ import { Quad } from '@rdfjs/types';
 
 export interface ParseOptions {
   extendedSyntax?: boolean;
+  baseIRI?: string;
 }
 
 export declare function parse(str: string, options?: ParseOptions): Quad[] & { prefixes: Record<string, string> };
diff --git a/lib/index.js b/lib/index.js
index ff24009..260c8ed 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -5,11 +5,11 @@ class Parser {
   constructor() {
   }
 
-  parse(str, { extendedSyntax } = {}) {
+  parse(str, { extendedSyntax, baseIRI } = {}) {
     this._parser = new ShaclcParser();
 
     this._parser.Parser.factory = N3.DataFactory;
-    this._parser.Parser.base = N3.DataFactory.namedNode('urn:x-base:default');
+    this._parser.Parser.base = N3.DataFactory.namedNode(baseIRI || 'urn:x-base:default');
     this._parser.Parser.extended = extendedSyntax === true;
     this._parser.Parser.prefixes = {
       rdf: 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
@@ -21,7 +21,7 @@ class Parser {
     this._parser.Parser.currentPropertyNode = undefined;
     this._parser.Parser.nodeShapeStack = [];
     this._parser.Parser.tempCurrentNodeShape = undefined;
-    this._parser.Parser.n3Parser = new N3.Parser({ baseIRI: 'urn:x-base:default' });
+    this._parser.Parser.n3Parser = new N3.Parser({ baseIRI: baseIRI || 'urn:x-base:default' });
 
     const arr = []
     this._parser.Parser.onQuad = (quad) => { arr.push(quad) };