simple role

entitlement.js

@@ -24,24 +24,40 @@ function Entitlement(id,options)
 
 var _entitlements = {};
 
-function Entitlements(ents)
+function registerEntitlements(ents)
 {
 	for(var i in ents) {
 		_entitlements[i] = Entitlement(i, ents[i]);
 	}
 }
 
-function Role(id,descriptions)
-{
-
+function getEntitlement(id) {
+	return _entitlements[id];
 }
 
-function Roles(roles)
+var RootRole = {
+	"toString" : function() { return this.id + ': ' + Object.keys(this.rights).join(','); },
+	"hasEntitlement" : function(ent) { return this.rights[ent]; }
+};
+
+function Role(id,rights)
 {
-
+	var rs = {};
+
+	for(var i in rights) {
+		var e = rights[i];
+		rs[e] = _entitlements[e];
+		if(!rs[e]) rs[e] = Entitlement(e);
+	}
+
+	var defs = {
+		id: { value: id, enumerable: true },
+	    rights: { value: rs, enumerable: true }};
+
+	return Object.create(RootRole, defs);
 }
 
 exports.Entitlement   = Entitlement;
-exports.Entitlements  = Entitlements;
+exports.registerEntitlements  = registerEntitlements;
+exports.getEntitlement  = getEntitlement;
 exports.Role          = Role;
-exports.Roles         = Roles;

tests/entitlement.js

@@ -1,6 +1,7 @@
 var vows          = require('vows'),
 	assert        = require('assert'),
-    Entitlement   = require('../entitlement').Entitlement;
+    Entitlement   = require('../entitlement').Entitlement,
+    Role          = require('../entitlement').Role;
 
 vows.describe('entitlement').addBatch({
     'declare single with description': {
@@ -20,6 +21,15 @@ vows.describe('entitlement').addBatch({
         'toString': function(entitlement) {
 			assert.equal(entitlement.toString(), 'ent1');
         }
+	},
+    'declare role': {
+        topic: Role('role1',['ent1']),
+        'id present': function(entitlement) {
+			assert.equal(entitlement.id, 'role1');
+        },
+        'toString': function(entitlement) {
+			assert.equal(entitlement.toString(), 'role1: ent1');
+        }
 	}
 }).export(module);