Set the pathType of the root schema file, so its path is correctly …

…formatted by `$refs.paths()` and `$refs.values()`

lib/index.js

@@ -85,8 +85,10 @@ $RefParser.prototype.parse = function (path, schema, options, callback) {
   // So we're being generous here and doing the conversion automatically.
   // This is not intended to be a 100% bulletproof solution.
   // If it doesn't work for your use-case, then use a URL instead.
+  var pathType = 'http';
   if (url.isFileSystemPath(args.path)) {
     args.path = url.fromFileSystemPath(args.path);
+    pathType = 'file';
   }
 
   // Resolve the absolute path of the schema
@@ -95,7 +97,9 @@ $RefParser.prototype.parse = function (path, schema, options, callback) {
   if (args.schema && typeof args.schema === 'object') {
     // A schema object was passed-in.
     // So immediately add a new $Ref with the schema object as its value
-    this.$refs._add(args.path, args.schema);
+    var $ref = this.$refs._add(args.path);
+    $ref.value = args.schema;
+    $ref.pathType = pathType;
     promise = Promise.resolve(args.schema);
   }
   else {