initial commit

vendor/symfony/twig-bridge/Validator/Constraints/Twig.php

@@ -0,0 +1,38 @@
+<?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\Bridge\Twig\Validator\Constraints;
+
+use Symfony\Component\Validator\Attribute\HasNamedArguments;
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * @author Mokhtar Tlili <tlili.mokhtar@gmail.com>
+ */
+#[\Attribute(\Attribute::TARGET_PROPERTY | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
+class Twig extends Constraint
+{
+    public const INVALID_TWIG_ERROR = 'e7fc55d5-e586-4cc1-924e-d27ee7fcd1b5';
+
+    protected const ERROR_NAMES = [
+        self::INVALID_TWIG_ERROR => 'INVALID_TWIG_ERROR',
+    ];
+
+    #[HasNamedArguments]
+    public function __construct(
+        public string $message = 'This value is not a valid Twig template.',
+        public bool $skipDeprecations = true,
+        ?array $groups = null,
+        mixed $payload = null,
+    ) {
+        parent::__construct(null, $groups, $payload);
+    }
+}

vendor/symfony/twig-bridge/Validator/Constraints/TwigValidator.php

@@ -0,0 +1,85 @@
+<?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\Bridge\Twig\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use Symfony\Component\Validator\Exception\UnexpectedValueException;
+use Twig\Environment;
+use Twig\Error\Error;
+use Twig\Loader\ArrayLoader;
+use Twig\Source;
+
+/**
+ * @author Mokhtar Tlili <tlili.mokhtar@gmail.com>
+ */
+class TwigValidator extends ConstraintValidator
+{
+    public function __construct(private Environment $twig)
+    {
+    }
+
+    public function validate(mixed $value, Constraint $constraint): void
+    {
+        if (!$constraint instanceof Twig) {
+            throw new UnexpectedTypeException($constraint, Twig::class);
+        }
+
+        if (null === $value || '' === $value) {
+            return;
+        }
+
+        if (!\is_scalar($value) && !$value instanceof \Stringable) {
+            throw new UnexpectedValueException($value, 'string');
+        }
+
+        $value = (string) $value;
+
+        $realLoader = $this->twig->getLoader();
+        try {
+            $temporaryLoader = new ArrayLoader([$value]);
+            $this->twig->setLoader($temporaryLoader);
+
+            if (!$constraint->skipDeprecations) {
+                $prevErrorHandler = set_error_handler(static function ($level, $message, $file, $line) use (&$prevErrorHandler) {
+                    if (\E_USER_DEPRECATED !== $level) {
+                        return $prevErrorHandler ? $prevErrorHandler($level, $message, $file, $line) : false;
+                    }
+
+                    $templateLine = 0;
+                    if (preg_match('/ at line (\d+)[ .]/', $message, $matches)) {
+                        $templateLine = $matches[1];
+                    }
+
+                    throw new Error($message, $templateLine);
+                });
+            }
+
+            try {
+                $this->twig->parse($this->twig->tokenize(new Source($value, '')));
+            } finally {
+                if (!$constraint->skipDeprecations) {
+                    restore_error_handler();
+                }
+            }
+        } catch (Error $e) {
+            $this->context->buildViolation($constraint->message)
+                ->setParameter('{{ error }}', $e->getMessage())
+                ->setParameter('{{ line }}', $e->getTemplateLine())
+                ->setCode(Twig::INVALID_TWIG_ERROR)
+                ->addViolation();
+        } finally {
+            $this->twig->setLoader($realLoader);
+        }
+    }
+}