Skip things that look like keywords.

gkellogg · davidlehn · commit f0ee8672c691 · 2020-01-28T19:34:40.000-05:00
diff --git a/lib/context.js b/lib/context.js
@@ -397,6 +397,11 @@ api.createTermDefinition = ({
       'Invalid JSON-LD syntax; keywords cannot be overridden.',
       'jsonld.SyntaxError',
       {code: 'keyword redefinition', context: localCtx, term});
+  } else if(term.match(/@[a-zA-Z]+$/)) {
+    // FIXME: remove logging and use a handler
+    console.warn('WARNING: terms beginning with "@" are reserved' +
+      ' for future use and ignored', {term});
+    return;
   } else if(term === '') {
     throw new JsonLdError(
       'Invalid JSON-LD syntax; a term cannot be an empty string.',
@@ -484,6 +489,15 @@ api.createTermDefinition = ({
         'absolute IRI or a blank node identifier.',
         'jsonld.SyntaxError', {code: 'invalid IRI mapping', context: localCtx});
     }
+
+    if(reverse.match(/@[a-zA-Z]+$/)) {
+      // FIXME: remove logging and use a handler
+      console.warn('WARNING: values beginning with "@" are reserved' +
+        ' for future use and ignored', {reverse});
+      activeCtx.mappings.delete(term);
+      return;
+    }
+
     mapping['@id'] = id;
     mapping.reverse = true;
   } else if('@id' in value) {
@@ -497,6 +511,12 @@ api.createTermDefinition = ({
     if(id === null) {
       // reserve a null term, which may be protected
       mapping['@id'] = null;
+    } else if(!api.isKeyword(id) && id.match(/@[a-zA-Z]+$/)) {
+      // FIXME: remove logging and use a handler
+      console.warn('WARNING: values beginning with "@" are reserved' +
+        ' for future use and ignored', {id});
+      activeCtx.mappings.delete(term);
+      return;
     } else if(id !== term) {
       // expand and add @id mapping
       id = _expandIri(
@@ -850,6 +870,11 @@ function _expandIri(activeCtx, value, relativeTo, localCtx, defined, options) {
     return value;
   }
 
+  // ignore non-keyword things that look like a keyword
+  if(value.match(/^@[a-zA-Z]+$/)) {
+    return null;
+  }
+
   // define term dependency if not defined
   if(localCtx && localCtx.hasOwnProperty(value) &&
     defined.get(value) !== true) {
diff --git a/lib/expand.js b/lib/expand.js
@@ -660,11 +660,6 @@ async function _expandObject({
       continue;
     }
 
-    // skip unknown keywords
-    //if(expandedProperty.startsWith('@')) {
-    //  continue;
-    //}
-
     // use potential scoped context for key
     let termCtx = activeCtx;
     const ctx = _getContextValue(activeCtx, key, '@context');
diff --git a/tests/test-common.js b/tests/test-common.js
@@ -63,10 +63,6 @@ const TEST_TYPES = {
       specVersion: ['json-ld-1.0'],
       // FIXME
       idRegex: [
-        // terms having form of keyword
-        /expand-manifest.jsonld#t0119$/,
-        /expand-manifest.jsonld#t0120$/,
-        /expand-manifest.jsonld#t0122$/,
         // html
         /html-manifest.jsonld#te001$/,
         /html-manifest.jsonld#te002$/,
@@ -100,15 +96,8 @@ const TEST_TYPES = {
         // colliding keywords
         /expand-manifest.jsonld#t0114$/,
         // keywords
-        /expand-manifest.jsonld#tpr30$/,
-        /expand-manifest.jsonld#tpr31$/,
         /expand-manifest.jsonld#tpr32$/,
         /expand-manifest.jsonld#tpr33$/,
-        /expand-manifest.jsonld#tpr34$/,
-        /expand-manifest.jsonld#tpr35$/,
-        /expand-manifest.jsonld#tpr36$/,
-        /expand-manifest.jsonld#tpr37$/,
-        /expand-manifest.jsonld#tpr39$/,
         // direction
         /expand-manifest.jsonld#tdi01$/,
         /expand-manifest.jsonld#tdi02$/,
@@ -275,10 +264,6 @@ const TEST_TYPES = {
       specVersion: ['json-ld-1.0'],
       // FIXME
       idRegex: [
-        // terms having form of keyword
-        /toRdf-manifest.jsonld#te119$/,
-        /toRdf-manifest.jsonld#te120$/,
-        /toRdf-manifest.jsonld#te122$/,
         // well formed
         /toRdf-manifest.jsonld#twf05$/,
         // html
@@ -309,15 +294,9 @@ const TEST_TYPES = {
         // colliding keyword
         /toRdf-manifest.jsonld#te114$/,
         // keywords
-        /toRdf-manifest.jsonld#tpr30$/,
         /toRdf-manifest.jsonld#tpr31$/,
         /toRdf-manifest.jsonld#tpr32$/,
         /toRdf-manifest.jsonld#tpr33$/,
-        /toRdf-manifest.jsonld#tpr34$/,
-        /toRdf-manifest.jsonld#tpr35$/,
-        /toRdf-manifest.jsonld#tpr36$/,
-        /toRdf-manifest.jsonld#tpr37$/,
-        /toRdf-manifest.jsonld#tpr39$/,
         // direction
         /toRdf-manifest.jsonld#tdi01$/,
         /toRdf-manifest.jsonld#tdi02$/,
