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vendor/symfony/http-kernel/DependencyInjection/AddAnnotatedClassesToCachePass.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\HttpKernel\DependencyInjection;
+
+use Composer\Autoload\ClassLoader;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\ErrorHandler\DebugClassLoader;
+use Symfony\Component\HttpKernel\Kernel;
+
+/**
+ * Sets the classes to compile in the cache for the container.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class AddAnnotatedClassesToCachePass implements CompilerPassInterface
+{
+    private Kernel $kernel;
+
+    public function __construct(Kernel $kernel)
+    {
+        $this->kernel = $kernel;
+    }
+
+    /**
+     * @return void
+     */
+    public function process(ContainerBuilder $container)
+    {
+        $annotatedClasses = [];
+        foreach ($container->getExtensions() as $extension) {
+            if ($extension instanceof Extension) {
+                $annotatedClasses[] = $extension->getAnnotatedClassesToCompile();
+            }
+        }
+
+        $annotatedClasses = array_merge($this->kernel->getAnnotatedClassesToCompile(), ...$annotatedClasses);
+
+        $existingClasses = $this->getClassesInComposerClassMaps();
+
+        $annotatedClasses = $container->getParameterBag()->resolveValue($annotatedClasses);
+        $this->kernel->setAnnotatedClassCache($this->expandClasses($annotatedClasses, $existingClasses));
+    }
+
+    /**
+     * Expands the given class patterns using a list of existing classes.
+     *
+     * @param array $patterns The class patterns to expand
+     * @param array $classes  The existing classes to match against the patterns
+     */
+    private function expandClasses(array $patterns, array $classes): array
+    {
+        $expanded = [];
+
+        // Explicit classes declared in the patterns are returned directly
+        foreach ($patterns as $key => $pattern) {
+            if (!str_ends_with($pattern, '\\') && !str_contains($pattern, '*')) {
+                unset($patterns[$key]);
+                $expanded[] = ltrim($pattern, '\\');
+            }
+        }
+
+        // Match patterns with the classes list
+        $regexps = $this->patternsToRegexps($patterns);
+
+        foreach ($classes as $class) {
+            $class = ltrim($class, '\\');
+
+            if ($this->matchAnyRegexps($class, $regexps)) {
+                $expanded[] = $class;
+            }
+        }
+
+        return array_unique($expanded);
+    }
+
+    private function getClassesInComposerClassMaps(): array
+    {
+        $classes = [];
+
+        foreach (spl_autoload_functions() as $function) {
+            if (!\is_array($function)) {
+                continue;
+            }
+
+            if ($function[0] instanceof DebugClassLoader) {
+                $function = $function[0]->getClassLoader();
+            }
+
+            if (\is_array($function) && $function[0] instanceof ClassLoader) {
+                $classes += array_filter($function[0]->getClassMap());
+            }
+        }
+
+        return array_keys($classes);
+    }
+
+    private function patternsToRegexps(array $patterns): array
+    {
+        $regexps = [];
+
+        foreach ($patterns as $pattern) {
+            // Escape user input
+            $regex = preg_quote(ltrim($pattern, '\\'));
+
+            // Wildcards * and **
+            $regex = strtr($regex, ['\\*\\*' => '.*?', '\\*' => '[^\\\\]*?']);
+
+            // If this class does not end by a slash, anchor the end
+            if (!str_ends_with($regex, '\\')) {
+                $regex .= '$';
+            }
+
+            $regexps[] = '{^\\\\'.$regex.'}';
+        }
+
+        return $regexps;
+    }
+
+    private function matchAnyRegexps(string $class, array $regexps): bool
+    {
+        $isTest = str_contains($class, 'Test');
+
+        foreach ($regexps as $regex) {
+            if ($isTest && !str_contains($regex, 'Test')) {
+                continue;
+            }
+
+            if (preg_match($regex, '\\'.$class)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}