n3 - npm Package Compare versions

Comparing version 1.16.4 to 1.17.0

lib/N3Lexer.js

@@ -319,3 +319,2 @@ "use strict";
         case ')':
-        case '{':
         case '}':
@@ -329,2 +328,17 @@ if (!this._lineMode) {
 
+        case '{':
+          // We need at least 2 tokens lookahead to distinguish "{|" and "{ "
+          if (!this._lineMode && input.length >= 2) {
+            // Try to find a quoted triple annotation start
+            if (input[1] === '|') type = '{|', matchLength = 2;else type = firstChar, matchLength = 1;
+          }
+
+          break;
+
+        case '|':
+          // We need 2 tokens lookahead to parse "|}"
+          // Try to find a quoted triple annotation end
+          if (input.length >= 2 && input[1] === '}') type = '|}', matchLength = 2;
+          break;
+
         default:
@@ -331,0 +345,0 @@ inconclusive = true;

lib/N3Parser.js

@@ -648,3 +648,20 @@ "use strict";
         break;
+      // {| means that the current triple is annotated with predicate-object pairs.
 
+      case '{|':
+        if (!this._supportsRDFStar) return this._error('Unexpected RDF* syntax', token); // Continue using the last triple as quoted triple subject for the predicate-object pairs.
+
+        const predicate = this._predicate,
+              object = this._object;
+        this._subject = this._quad(subject, predicate, object, this.DEFAULTGRAPH);
+        next = this._readPredicate;
+        break;
+      // |} means that the current quoted triple in annotation syntax is finalized.
+
+      case '|}':
+        if (this._subject.termType !== 'Quad') return this._error('Unexpected asserted triple closing', token);
+        this._subject = null;
+        next = this._readPunctuation;
+        break;
+
       default:
@@ -651,0 +668,0 @@ // An entity means this is a quad (only allowed if not already inside a graph)

package.json

 {
   "name": "n3",
-  "version": "1.16.4",
+  "version": "1.17.0",
   "description": "Lightning fast, asynchronous, streaming Turtle / N3 / RDF library.",
@@ -5,0 +5,0 @@ "author": "Ruben Verborgh <[e-mail]>",

README.md

@@ -64,6 +64,6 @@ # Lightning fast, asynchronous, streaming RDF for JavaScript
 const myQuad = quad(
-  namedNode('https://ruben.verborgh.org/profile/#me'),
-  namedNode('http://xmlns.com/foaf/0.1/givenName'),
-  literal('Ruben', 'en'),
-  defaultGraph(),
+  namedNode('https://ruben.verborgh.org/profile/#me'), // Subject
+  namedNode('http://xmlns.com/foaf/0.1/givenName'),    // Predicate
+  literal('Ruben', 'en'),                              // Object
+  defaultGraph(),                                      // Graph
 );
@@ -181,12 +181,12 @@ console.log(myQuad.termType);              // Quad
 ```JavaScript
-const writer = new N3.Writer({ prefixes: { c: 'http://example.org/cartoons#' } });
+const writer = new N3.Writer({ prefixes: { c: 'http://example.org/cartoons#' } }); // Create a writer which uses `c` as a prefix for the namespace `http://example.org/cartoons#`
 writer.addQuad(
-  namedNode('http://example.org/cartoons#Tom'),
-  namedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'),
-  namedNode('http://example.org/cartoons#Cat')
+  namedNode('http://example.org/cartoons#Tom'),                 // Subject
+  namedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'), // Predicate
+  namedNode('http://example.org/cartoons#Cat')                  // Object
 );
 writer.addQuad(quad(
-  namedNode('http://example.org/cartoons#Tom'),
-  namedNode('http://example.org/cartoons#name'),
-  literal('Tom')
+  namedNode('http://example.org/cartoons#Tom'),   // Subject
+  namedNode('http://example.org/cartoons#name'),  // Predicate
+  literal('Tom')                                  // Object
 ));
@@ -212,10 +212,10 @@ writer.end((error, result) => console.log(result));
 writer.addQuad(
-  namedNode('http://example.org/cartoons#Tom'),
-  namedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'),
-  namedNode('http://example.org/cartoons#Cat')
+  namedNode('http://example.org/cartoons#Tom'),                   // Subject
+  namedNode('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'),   // Predicate
+  namedNode('http://example.org/cartoons#Cat')                    // Object
 );
 writer.addQuad(quad(
-  namedNode('http://example.org/cartoons#Tom'),
-  namedNode('http://example.org/cartoons#name'),
-  literal('Tom')
+  namedNode('http://example.org/cartoons#Tom'),     // Subject
+  namedNode('http://example.org/cartoons#name'),  // Predicate
+  literal('Tom')                                    // Object
 ));
@@ -222,0 +222,0 @@ writer.end();

src/N3Lexer.js

@@ -303,3 +303,2 @@ // **N3Lexer** tokenizes N3 documents.
       case ')':
-      case '{':
       case '}':
@@ -311,2 +310,18 @@ if (!this._lineMode) {
         break;
+      case '{':
+        // We need at least 2 tokens lookahead to distinguish "{|" and "{ "
+        if (!this._lineMode && input.length >= 2) {
+          // Try to find a quoted triple annotation start
+          if (input[1] === '|')
+            type = '{|', matchLength = 2;
+          else
+            type = firstChar, matchLength = 1;
+        }
+        break;
+      case '|':
+        // We need 2 tokens lookahead to parse "|}"
+        // Try to find a quoted triple annotation end
+        if (input.length >= 2 && input[1] === '}')
+          type = '|}', matchLength = 2;
+        break;
 
@@ -313,0 +328,0 @@ default:

src/N3Parser.js

@@ -617,2 +617,18 @@ // **N3Parser** parses N3 documents.
       break;
+    // {| means that the current triple is annotated with predicate-object pairs.
+    case '{|':
+      if (!this._supportsRDFStar)
+        return this._error('Unexpected RDF* syntax', token);
+      // Continue using the last triple as quoted triple subject for the predicate-object pairs.
+      const predicate = this._predicate, object = this._object;
+      this._subject = this._quad(subject, predicate, object, this.DEFAULTGRAPH);
+      next = this._readPredicate;
+      break;
+    // |} means that the current quoted triple in annotation syntax is finalized.
+    case '|}':
+      if (this._subject.termType !== 'Quad')
+        return this._error('Unexpected asserted triple closing', token);
+      this._subject = null;
+      next = this._readPunctuation;
+      break;
     default:
@@ -619,0 +635,0 @@ // An entity means this is a quad (only allowed if not already inside a graph)

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Improved metrics

Total package byte prevSize

517522

increased by0.74%

Lines of code

6832

increased by0.86%

Number of medium supply chain risk alerts

0

decreased by-100%

No dependency changes