Static method Ship.roles() lists all valid roles, including [ roles. Issue #26

src/Core/OOShipRegistry.h

@@ -60,6 +60,7 @@ SOFTWARE.
 @interface OOShipRegistry (OOConveniences)
 
 - (NSArray *) shipKeys;
+- (NSArray *) shipRoles;
 - (NSArray *) shipKeysWithRole:(NSString *)role;
 - (NSString *) randomShipKeyForRole:(NSString *)role;
 

src/Core/OOShipRegistry.m

@@ -245,6 +245,11 @@ static NSString * const	kVisualEffectDataCacheKey = @"visual effect data";
 	return [_shipData allKeys];
 }
 
+- (NSArray *) shipRoles
+{
+	return [_probabilitySets allKeys];
+}
+
 - (NSArray *) shipKeysWithRole:(NSString *)role
 {
 	return [[self probabilitySetForRole:role] allObjects];

src/Core/Scripting/OOJSShip.m

@@ -101,6 +101,7 @@ static JSBool ShipSetMaterialsInternal(JSContext *context, uintN argc, jsval *vp
 
 static JSBool ShipStaticKeysForRole(JSContext *context, uintN argc, jsval *vp);
 static JSBool ShipStaticKeys(JSContext *context, uintN argc, jsval *vp);
+static JSBool ShipStaticRoles(JSContext *context, uintN argc, jsval *vp);
 
 
 static JSClass sShipClass =
@@ -418,6 +419,7 @@ static JSFunctionSpec sShipStaticMethods[] =
 	// JS name					Function					min args
 	{ "keys",		ShipStaticKeys,				0 },
 	{ "keysForRole",		ShipStaticKeysForRole,				1 },
+	{ "roles",		ShipStaticRoles,				0 },
 	{ 0 }
 };
 
@@ -2747,3 +2749,14 @@ static JSBool ShipStaticKeysForRole(JSContext *context, uintN argc, jsval *vp)
 
 	OOJS_NATIVE_EXIT
 }
+
+static JSBool ShipStaticRoles(JSContext *context, uintN argc, jsval *vp)
+{
+	OOJS_NATIVE_ENTER(context);
+	OOShipRegistry			*registry = [OOShipRegistry sharedRegistry];
+
+	NSArray *keys = [registry shipRoles];
+	OOJS_RETURN_OBJECT(keys);		
+
+	OOJS_NATIVE_EXIT
+}