move single parsing of a import into own private method

spec/Tacker/LoaderBuilderSpec.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace spec\Tacker;
+
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+
+class LoaderBuilderSpec extends ObjectBehavior
+{
+    function let()
+    {
+        $this->beConstructedWith([]);
+    }
+
+    function it_is_initializable()
+    {
+        $this->shouldHaveType('Tacker\LoaderBuilder');
+    }
+
+    function it_builds_loader()
+    {
+        $this->build()->shouldHaveType('Tacker\Loader\CacheLoader');
+    }
+}

src/Loader/AbstractLoader.php

@@ -32,7 +32,9 @@ public function load($resource, $type = null)
         return $this->parse($this->read($resource), $resource);
     }
 
-    protected function parse(array $parameters, $resource)
+    abstract protected function read($resource);
+
+    private function parse(array $parameters, $resource)
     {
         if (!isset($parameters['@import'])) {
             return $parameters;
@@ -44,13 +46,16 @@ protected function parse(array $parameters, $resource)
         unset($parameters['@import']);
 
         foreach ($imports as $import) {
-            $this->setCurrentDir(dirname($import));
-
-            $inherited = array_replace($inherited, $this->import($import, null, false, $resource));
+            $inherited = $this->parseImport($import, $resource, $inherited);
         }
 
         return array_replace($inherited, $parameters);
     }
 
-    abstract protected function read($resource);
+    private function parseImport($import, $resource, $inherited)
+    {
+        $this->setCurrentDir(dirname($import));
+
+        return array_replace($inherited, $this->import($import, null, false, $resource));
+    }
 }