added 'noLocation' option to po generator

src/Generators/Po.php

@@ -6,11 +6,17 @@
 
 class Po extends Generator implements GeneratorInterface
 {
+    public static $options = [
+        'noLocation' => false,
+    ];
+
     /**
      * {@parentDoc}.
      */
     public static function toString(Translations $translations, array $options = [])
     {
+        $options += static::$options;
+
         $pluralForm = $translations->getPluralForms();
         $pluralSize = is_array($pluralForm) ? ($pluralForm[0] - 1) : null;
         $lines = ['msgid ""', 'msgstr ""'];
@@ -35,7 +41,7 @@ public static function toString(Translations $translations, array $options = [])
                 }
             }
 
-            if ($translation->hasReferences()) {
+            if (!$options['noLocation'] && $translation->hasReferences()) {
                 foreach ($translation->getReferences() as $reference) {
                     $lines[] = '#: '.$reference[0].(!is_null($reference[1]) ? ':'.$reference[1] : null);
                 }

tests/TranslationTest.php

@@ -3,6 +3,7 @@
 namespace Gettext\Tests;
 
 use Gettext\Translation;
+use Gettext\Translations;
 
 class TranslationTest extends AbstractTest
 {
@@ -24,6 +25,20 @@ public function testReferences()
         $this->assertCount(0, $translation->getReferences());
     }
 
+    public function testNoReferences()
+    {
+        $po = static::get('phpcode/input', 'PhpCode')->toPoString(['noLocation' => true]);
+        $translations = Translations::fromPoString($po);
+        $translation = $translations->find(null, 'text 10 with plural');
+
+        $this->assertInstanceOf('Gettext\\Translation', $translation);
+
+        $references = $translation->getReferences();
+
+        $this->assertCount(0, $references);
+        $this->assertFalse($translation->hasReferences());
+    }
+
     public function testPlurals()
     {
         $translations = static::get('phpcode/input', 'PhpCode');