make sure we can load from resource (#17)

* make sure we can load from resource

* Added changelog

Author: Nyholm

Changelog.md

@@ -2,6 +2,12 @@
 
 The change log describes what is "Added", "Removed", "Changed" or "Fixed" between each release. 
 
+## 0.3.1
+
+### Fixed
+
+- Make sure XliffLoader can load from resource
+
 ## 0.3.0
 
 ### Added

src/Loader/XliffLoader.php

@@ -12,6 +12,8 @@
 namespace Translation\SymfonyStorage\Loader;
 
 use Nyholm\NSA;
+use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\Translation\Exception\NotFoundResourceException;
 use Symfony\Component\Translation\Loader\XliffFileLoader;
 use Symfony\Component\Translation\MessageCatalogue;
 use Symfony\Component\Translation\Exception\InvalidResourceException;
@@ -29,6 +31,30 @@ class XliffLoader extends XliffFileLoader
      */
     private $sfPort;
 
+    /**
+     * {@inheritdoc}
+     */
+    public function load($resource, $locale, $domain = 'messages')
+    {
+        if (!stream_is_local($resource)) {
+            throw new InvalidResourceException(sprintf('This is not a local file "%s".', $resource));
+        }
+
+        if (!file_exists($resource)) {
+            throw new NotFoundResourceException(sprintf('File "%s" not found.', $resource));
+        }
+
+        $catalogue = new MessageCatalogue($locale);
+        $content = file_get_contents($resource);
+        $this->extractFromContent($content, $catalogue, $domain);
+
+        if (class_exists('Symfony\Component\Config\Resource\FileResource')) {
+            $catalogue->addResource(new FileResource($resource));
+        }
+
+        return $catalogue;
+    }
+
     /**
      * @param string           $content   xml content
      * @param MessageCatalogue $catalogue

tests/Unit/Loader/XliffLoaderTest.php

@@ -105,4 +105,25 @@ public function testXliff20Meta()
         $this->assertEquals('1', $metadata['notes'][2]['priority']);
         $this->assertEquals('user login', $metadata['notes'][2]['content']);
     }
+
+    public function testXliff20FromResource()
+    {
+        $file = __DIR__.'/../../Fixtures/meta.en.xlf';
+
+        $catalogue = (new XliffLoader())->load($file, 'en', 'messages');
+        $this->assertTrue($catalogue->defines('foo'));
+        $metadata = $catalogue->getMetadata('foo');
+        $this->assertNotEmpty($metadata);
+        $this->assertCount(3, $metadata['notes']);
+
+        $this->assertEquals('state', $metadata['notes'][0]['category']);
+        $this->assertEquals('new', $metadata['notes'][0]['content']);
+
+        $this->assertEquals('approved', $metadata['notes'][1]['category']);
+        $this->assertEquals('true', $metadata['notes'][1]['content']);
+
+        $this->assertEquals('section', $metadata['notes'][2]['category']);
+        $this->assertEquals('1', $metadata['notes'][2]['priority']);
+        $this->assertEquals('user login', $metadata['notes'][2]['content']);
+    }
 }