1 files changed, 131 insertions, 0 deletions
diff --git a/vendor/jfcherng/php-diff/src/Utility/Language.php b/vendor/jfcherng/php-diff/src/Utility/Language.php
new file mode 100644
index 0000000..cbd415f
--- /dev/null
+++ b/vendor/jfcherng/php-diff/src/Utility/Language.php
@@ -0,0 +1,131 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jfcherng\Diff\Utility;
+
+final class Language
+{
+    /**
+     * @var string[] the translation dict
+     */
+    private $translations = [];
+
+    /**
+     * @var string the language name
+     */
+    private $language = '_custom_';
+
+    /**
+     * The constructor.
+     *
+     * @param array<int,string|string[]>|string|string[] $target the language ID or translations dict
+     */
+    public function __construct($target = 'eng')
+    {
+        $this->load($target);
+    }
+
+    /**
+     * Gets the language.
+     *
+     * @return string the language
+     */
+    public function getLanguage(): string
+    {
+        return $this->language;
+    }
+
+    /**
+     * Gets the translations.
+     *
+     * @return array the translations
+     */
+    public function getTranslations(): array
+    {
+        return $this->translations;
+    }
+
+    /**
+     * Loads the target language.
+     *
+     * @param array<int,string|string[]>|string|string[] $target the language ID or translations dict
+     */
+    public function load($target): void
+    {
+        $this->translations = $this->resolve($target);
+        $this->language = \is_string($target) ? $target : '_custom_';
+    }
+
+    /**
+     * Translates the text.
+     *
+     * @param string $text the text
+     */
+    public function translate(string $text): string
+    {
+        return $this->translations[$text] ?? "![{$text}]";
+    }
+
+    /**
+     * Get the translations from the language file.
+     *
+     * @param string $language the language
+     *
+     * @throws \Exception        fail to decode the JSON file
+     * @throws \LogicException   path is a directory
+     * @throws \RuntimeException path cannot be opened
+     *
+     * @return string[]
+     */
+    private static function getTranslationsByLanguage(string $language): array
+    {
+        $filePath = __DIR__ . "/../languages/{$language}.json";
+        $file = new \SplFileObject($filePath, 'r');
+        $fileContent = $file->fread($file->getSize());
+
+        /** @todo PHP ^7.3 JSON_THROW_ON_ERROR */
+        $decoded = \json_decode($fileContent, true);
+
+        if (\json_last_error() !== \JSON_ERROR_NONE) {
+            $msg = \sprintf('Fail to decode JSON file (code %d): %s', \json_last_error(), \realpath($filePath));
+            throw new \Exception($msg); // workaround single-line throw + 120-char limit
+        }
+
+        return (array) $decoded;
+    }
+
+    /**
+     * Resolves the target language.
+     *
+     * @param array<int,string|string[]>|string|string[] $target the language ID or translations array
+     *
+     * @throws \InvalidArgumentException
+     *
+     * @return string[] the resolved translations
+     */
+    private function resolve($target): array
+    {
+        if (\is_string($target)) {
+            return self::getTranslationsByLanguage($target);
+        }
+
+        if (\is_array($target)) {
+            // $target is an associative array
+            if (Arr::isAssociative($target)) {
+                return $target;
+            }
+
+            // $target is a list of "key-value pairs or language ID"
+            return \array_reduce(
+                $target,
+                function ($carry, $translation) {
+                    return \array_merge($carry, $this->resolve($translation));
+                },
+                []
+            );
+        }
+
+        throw new \InvalidArgumentException('$target is not in valid form');
+    }
+}