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File / Folder	Size	Action
.	-
Configurator	--	ren
schema	--	ren
AnnotationClassLoader.php	0.683KB	edt ren
AnnotationDirectoryLoad...	0.697KB	edt ren
AnnotationFileLoader.php	0.668KB	edt ren
AttributeClassLoader.php	15.734KB	edt ren
AttributeDirectoryLoade...	2.937KB	edt ren
AttributeFileLoader.php	4.667KB	edt ren
ClosureLoader.php	0.897KB	edt ren
ContainerLoader.php	0.962KB	edt ren
DirectoryLoader.php	1.432KB	edt ren
GlobFileLoader.php	0.986KB	edt ren
ObjectLoader.php	2.793KB	edt ren
PhpFileLoader.php	2.118KB	edt ren
Psr4DirectoryLoader.php	3.205KB	edt ren
XmlFileLoader.php	17.608KB	edt ren
YamlFileLoader.php	11.799KB	edt ren

<?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\Routing\Loader;

use Doctrine\Common\Annotations\Reader;
use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\Config\Loader\LoaderResolverInterface;
use Symfony\Component\Config\Resource\FileResource;
use Symfony\Component\Routing\Attribute\Route as RouteAnnotation;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;

/**
 * AttributeClassLoader loads routing information from a PHP class and its methods.
 *
 * You need to define an implementation for the configureRoute() method. Most of the
 * time, this method should define some PHP callable to be called for the route
 * (a controller in MVC speak).
 *
 * The #[Route] attribute can be set on the class (for global parameters),
 * and on each method.
 *
 * The #[Route] attribute main value is the route path. The attribute also
 * recognizes several parameters: requirements, options, defaults, schemes,
 * methods, host, and name. The name parameter is mandatory.
 * Here is an example of how you should be able to use it:
 *
 *     #[Route('/Blog')]
 *     class Blog
 *     {
 *         #[Route('/', name: 'blog_index')]
 *         public function index()
 *         {
 *         }
 *         #[Route('/{id}', name: 'blog_post', requirements: ["id" => '\d+'])]
 *         public function show()
 *         {
 *         }
 *     }
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Alexander M. Turek <me@derrabus.de>
 * @author Alexandre Daubois <alex.daubois@gmail.com>
 */
abstract class AttributeClassLoader implements LoaderInterface
{
    /**
     * @var Reader|null
     *
     * @deprecated in Symfony 6.4, this property will be removed in Symfony 7.
     */
    protected $reader;

/**
     * @var string|null
     */
    protected $env;

/**
     * @var string
     */
    protected $routeAnnotationClass = RouteAnnotation::class;

/**
     * @var int
     */
    protected $defaultRouteIndex = 0;

private bool $hasDeprecatedAnnotations = false;

/**
     * @param string|null $env
     */
    public function __construct($env = null)
    {
        if ($env instanceof Reader || null === $env && \func_num_args() > 1 && null !== func_get_arg(1)) {
            trigger_deprecation('symfony/routing', '6.4', 'Passing an instance of "%s" as first and the environment as second argument to "%s" is deprecated. Pass the environment as first argument instead.', Reader::class, __METHOD__);

$this->reader = $env;
            $env = \func_num_args() > 1 ? func_get_arg(1) : null;
        }

if (\is_string($env) || null === $env) {
            $this->env = $env;
        } elseif ($env instanceof \Stringable || \is_scalar($env)) {
            $this->env = (string) $env;
        } else {
            throw new \TypeError(__METHOD__.sprintf(': Parameter $env was expected to be a string or null, "%s" given.', get_debug_type($env)));
        }
    }

/**
     * Sets the annotation class to read route properties from.
     *
     * @return void
     */
    public function setRouteAnnotationClass(string $class)
    {
        $this->routeAnnotationClass = $class;
    }

/**
     * @throws \InvalidArgumentException When route can't be parsed
     */
    public function load(mixed $class, ?string $type = null): RouteCollection
    {
        if (!class_exists($class)) {
            throw new \InvalidArgumentException(sprintf('Class "%s" does not exist.', $class));
        }

$class = new \ReflectionClass($class);
        if ($class->isAbstract()) {
            throw new \InvalidArgumentException(sprintf('Attributes from class "%s" cannot be read as it is abstract.', $class->getName()));
        }

$this->hasDeprecatedAnnotations = false;

try {
            $globals = $this->getGlobals($class);
            $collection = new RouteCollection();
            $collection->addResource(new FileResource($class->getFileName()));
            if ($globals['env'] && $this->env !== $globals['env']) {
                return $collection;
            }
            $fqcnAlias = false;
            foreach ($class->getMethods() as $method) {
                $this->defaultRouteIndex = 0;
                $routeNamesBefore = array_keys($collection->all());
                foreach ($this->getAnnotations($method) as $annot) {
                    $this->addRoute($collection, $annot, $globals, $class, $method);
                    if ('__invoke' === $method->name) {
                        $fqcnAlias = true;
                    }
                }

if (1 === $collection->count() - \count($routeNamesBefore)) {
                    $newRouteName = current(array_diff(array_keys($collection->all()), $routeNamesBefore));
                    if ($newRouteName !== $aliasName = sprintf('%s::%s', $class->name, $method->name)) {
                        $collection->addAlias($aliasName, $newRouteName);
                    }
                }
            }
            if (0 === $collection->count() && $class->hasMethod('__invoke')) {
                $globals = $this->resetGlobals();
                foreach ($this->getAnnotations($class) as $annot) {
                    $this->addRoute($collection, $annot, $globals, $class, $class->getMethod('__invoke'));
                    $fqcnAlias = true;
                }
            }
            if ($fqcnAlias && 1 === $collection->count()) {
                $invokeRouteName = key($collection->all());
                if ($invokeRouteName !== $class->name) {
                    $collection->addAlias($class->name, $invokeRouteName);
                }

if ($invokeRouteName !== $aliasName = sprintf('%s::__invoke', $class->name)) {
                    $collection->addAlias($aliasName, $invokeRouteName);
                }
            }

if ($this->hasDeprecatedAnnotations) {
                trigger_deprecation('symfony/routing', '6.4', 'Class "%s" uses Doctrine Annotations to configure routes, which is deprecated. Use PHP attributes instead.', $class->getName());
            }
        } finally {
            $this->hasDeprecatedAnnotations = false;
        }

return $collection;
    }

/**
     * @param RouteAnnotation $annot or an object that exposes a similar interface
     *
     * @return void
     */
    protected function addRoute(RouteCollection $collection, object $annot, array $globals, \ReflectionClass $class, \ReflectionMethod $method)
    {
        if ($annot->getEnv() && $annot->getEnv() !== $this->env) {
            return;
        }

$name = $annot->getName() ?? $this->getDefaultRouteName($class, $method);
        $name = $globals['name'].$name;

$requirements = $annot->getRequirements();

foreach ($requirements as $placeholder => $requirement) {
            if (\is_int($placeholder)) {
                throw new \InvalidArgumentException(sprintf('A placeholder name must be a string (%d given). Did you forget to specify the placeholder key for the requirement "%s" of route "%s" in "%s::%s()"?', $placeholder, $requirement, $name, $class->getName(), $method->getName()));
            }
        }

$defaults = array_replace($globals['defaults'], $annot->getDefaults());
        $requirements = array_replace($globals['requirements'], $requirements);
        $options = array_replace($globals['options'], $annot->getOptions());
        $schemes = array_unique(array_merge($globals['schemes'], $annot->getSchemes()));
        $methods = array_unique(array_merge($globals['methods'], $annot->getMethods()));

$host = $annot->getHost() ?? $globals['host'];
        $condition = $annot->getCondition() ?? $globals['condition'];
        $priority = $annot->getPriority() ?? $globals['priority'];

$path = $annot->getLocalizedPaths() ?: $annot->getPath();
        $prefix = $globals['localized_paths'] ?: $globals['path'];
        $paths = [];

if (\is_array($path)) {
            if (!\is_array($prefix)) {
                foreach ($path as $locale => $localePath) {
                    $paths[$locale] = $prefix.$localePath;
                }
            } elseif ($missing = array_diff_key($prefix, $path)) {
                throw new \LogicException(sprintf('Route to "%s" is missing paths for locale(s) "%s".', $class->name.'::'.$method->name, implode('", "', array_keys($missing))));
            } else {
                foreach ($path as $locale => $localePath) {
                    if (!isset($prefix[$locale])) {
                        throw new \LogicException(sprintf('Route to "%s" with locale "%s" is missing a corresponding prefix in class "%s".', $method->name, $locale, $class->name));
                    }

$paths[$locale] = $prefix[$locale].$localePath;
                }
            }
        } elseif (\is_array($prefix)) {
            foreach ($prefix as $locale => $localePrefix) {
                $paths[$locale] = $localePrefix.$path;
            }
        } else {
            $paths[] = $prefix.$path;
        }

foreach ($method->getParameters() as $param) {
            if (isset($defaults[$param->name]) || !$param->isDefaultValueAvailable()) {
                continue;
            }
            foreach ($paths as $locale => $path) {
                if (preg_match(sprintf('/\{%s(?:<.*?>)?\}/', preg_quote($param->name)), $path)) {
                    if (\is_scalar($defaultValue = $param->getDefaultValue()) || null === $defaultValue) {
                        $defaults[$param->name] = $defaultValue;
                    } elseif ($defaultValue instanceof \BackedEnum) {
                        $defaults[$param->name] = $defaultValue->value;
                    }
                    break;
                }
            }
        }

foreach ($paths as $locale => $path) {
            $route = $this->createRoute($path, $defaults, $requirements, $options, $host, $schemes, $methods, $condition);
            $this->configureRoute($route, $class, $method, $annot);
            if (0 !== $locale) {
                $route->setDefault('_locale', $locale);
                $route->setRequirement('_locale', preg_quote($locale));
                $route->setDefault('_canonical_route', $name);
                $collection->add($name.'.'.$locale, $route, $priority);
            } else {
                $collection->add($name, $route, $priority);
            }
        }
    }

public function supports(mixed $resource, ?string $type = null): bool
    {
        if ('annotation' === $type) {
            trigger_deprecation('symfony/routing', '6.4', 'The "annotation" route type is deprecated, use the "attribute" route type instead.');
        }

return \is_string($resource) && preg_match('/^(?:\\\\?[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)+$/', $resource) && (!$type || \in_array($type, ['annotation', 'attribute'], true));
    }

public function setResolver(LoaderResolverInterface $resolver): void
    {
    }

public function getResolver(): LoaderResolverInterface
    {
    }

/**
     * Gets the default route name for a class method.
     *
     * @return string
     */
    protected function getDefaultRouteName(\ReflectionClass $class, \ReflectionMethod $method)
    {
        $name = str_replace('\\', '_', $class->name).'_'.$method->name;
        $name = \function_exists('mb_strtolower') && preg_match('//u', $name) ? mb_strtolower($name, 'UTF-8') : strtolower($name);
        if ($this->defaultRouteIndex > 0) {
            $name .= '_'.$this->defaultRouteIndex;
        }
        ++$this->defaultRouteIndex;

return $name;
    }

/**
     * @return array<string, mixed>
     */
    protected function getGlobals(\ReflectionClass $class)
    {
        $globals = $this->resetGlobals();

$annot = null;
        if ($attribute = $class->getAttributes($this->routeAnnotationClass, \ReflectionAttribute::IS_INSTANCEOF)[0] ?? null) {
            $annot = $attribute->newInstance();
        }
        if (!$annot && $annot = $this->reader?->getClassAnnotation($class, $this->routeAnnotationClass)) {
            $this->hasDeprecatedAnnotations = true;
        }

if ($annot) {
            if (null !== $annot->getName()) {
                $globals['name'] = $annot->getName();
            }

if (null !== $annot->getPath()) {
                $globals['path'] = $annot->getPath();
            }

$globals['localized_paths'] = $annot->getLocalizedPaths();

if (null !== $annot->getRequirements()) {
                $globals['requirements'] = $annot->getRequirements();
            }

if (null !== $annot->getOptions()) {
                $globals['options'] = $annot->getOptions();
            }

if (null !== $annot->getDefaults()) {
                $globals['defaults'] = $annot->getDefaults();
            }

if (null !== $annot->getSchemes()) {
                $globals['schemes'] = $annot->getSchemes();
            }

if (null !== $annot->getMethods()) {
                $globals['methods'] = $annot->getMethods();
            }

if (null !== $annot->getHost()) {
                $globals['host'] = $annot->getHost();
            }

if (null !== $annot->getCondition()) {
                $globals['condition'] = $annot->getCondition();
            }

$globals['priority'] = $annot->getPriority() ?? 0;
            $globals['env'] = $annot->getEnv();

foreach ($globals['requirements'] as $placeholder => $requirement) {
                if (\is_int($placeholder)) {
                    throw new \InvalidArgumentException(sprintf('A placeholder name must be a string (%d given). Did you forget to specify the placeholder key for the requirement "%s" in "%s"?', $placeholder, $requirement, $class->getName()));
                }
            }
        }

return $globals;
    }

private function resetGlobals(): array
    {
        return [
            'path' => null,
            'localized_paths' => [],
            'requirements' => [],
            'options' => [],
            'defaults' => [],
            'schemes' => [],
            'methods' => [],
            'host' => '',
            'condition' => '',
            'name' => '',
            'priority' => 0,
            'env' => null,
        ];
    }

/**
     * @return Route
     */
    protected function createRoute(string $path, array $defaults, array $requirements, array $options, ?string $host, array $schemes, array $methods, ?string $condition)
    {
        return new Route($path, $defaults, $requirements, $options, $host, $schemes, $methods, $condition);
    }

/**
     * @return void
     */
    abstract protected function configureRoute(Route $route, \ReflectionClass $class, \ReflectionMethod $method, object $annot);

/**
     * @return iterable<int, RouteAnnotation>
     */
    private function getAnnotations(\ReflectionClass|\ReflectionMethod $reflection): iterable
    {
        foreach ($reflection->getAttributes($this->routeAnnotationClass, \ReflectionAttribute::IS_INSTANCEOF) as $attribute) {
            yield $attribute->newInstance();
        }

if (!$this->reader) {
            return;
        }

$annotations = $reflection instanceof \ReflectionClass
            ? $this->reader->getClassAnnotations($reflection)
            : $this->reader->getMethodAnnotations($reflection);

foreach ($annotations as $annotation) {
            if ($annotation instanceof $this->routeAnnotationClass) {
                $this->hasDeprecatedAnnotations = true;

yield $annotation;
            }
        }
    }
}

if (!class_exists(AnnotationClassLoader::class, false)) {
    class_alias(AttributeClassLoader::class, AnnotationClassLoader::class);
}