class AddAnnotatedClassesToCachePass

class AddAnnotatedClassesToCachePass implements CompilerPassInterface {
    public function __construct(Kernel $kernel) {
    }
    public function process(ContainerBuilder $container) : void {
        $annotatedClasses = [];
        foreach ($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;
    }

}