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vendor/symfony/translation/TranslatorBag.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Translation;
+
+use Symfony\Component\Translation\Catalogue\AbstractOperation;
+use Symfony\Component\Translation\Catalogue\TargetOperation;
+
+final class TranslatorBag implements TranslatorBagInterface
+{
+    /** @var MessageCatalogue[] */
+    private array $catalogues = [];
+
+    public function addCatalogue(MessageCatalogue $catalogue): void
+    {
+        if (null !== $existingCatalogue = $this->getCatalogue($catalogue->getLocale())) {
+            $catalogue->addCatalogue($existingCatalogue);
+        }
+
+        $this->catalogues[$catalogue->getLocale()] = $catalogue;
+    }
+
+    public function addBag(TranslatorBagInterface $bag): void
+    {
+        foreach ($bag->getCatalogues() as $catalogue) {
+            $this->addCatalogue($catalogue);
+        }
+    }
+
+    public function getCatalogue(?string $locale = null): MessageCatalogueInterface
+    {
+        if (null === $locale || !isset($this->catalogues[$locale])) {
+            $this->catalogues[$locale] = new MessageCatalogue($locale);
+        }
+
+        return $this->catalogues[$locale];
+    }
+
+    public function getCatalogues(): array
+    {
+        return array_values($this->catalogues);
+    }
+
+    public function diff(TranslatorBagInterface $diffBag): self
+    {
+        $diff = new self();
+
+        foreach ($this->catalogues as $locale => $catalogue) {
+            if (null === $diffCatalogue = $diffBag->getCatalogue($locale)) {
+                $diff->addCatalogue($catalogue);
+
+                continue;
+            }
+
+            $operation = new TargetOperation($diffCatalogue, $catalogue);
+            $operation->moveMessagesToIntlDomainsIfPossible(AbstractOperation::NEW_BATCH);
+            $newCatalogue = new MessageCatalogue($locale);
+
+            foreach ($catalogue->getDomains() as $domain) {
+                $newCatalogue->add($operation->getNewMessages($domain), $domain);
+            }
+
+            $diff->addCatalogue($newCatalogue);
+        }
+
+        return $diff;
+    }
+
+    public function intersect(TranslatorBagInterface $intersectBag): self
+    {
+        $diff = new self();
+
+        foreach ($this->catalogues as $locale => $catalogue) {
+            if (null === $intersectCatalogue = $intersectBag->getCatalogue($locale)) {
+                continue;
+            }
+
+            $operation = new TargetOperation($catalogue, $intersectCatalogue);
+            $operation->moveMessagesToIntlDomainsIfPossible(AbstractOperation::OBSOLETE_BATCH);
+            $obsoleteCatalogue = new MessageCatalogue($locale);
+
+            foreach ($operation->getDomains() as $domain) {
+                $obsoleteCatalogue->add(
+                    array_diff($operation->getMessages($domain), $operation->getNewMessages($domain)),
+                    $domain
+                );
+            }
+
+            $diff->addCatalogue($obsoleteCatalogue);
+        }
+
+        return $diff;
+    }
+}