Initial Commit

vendor/symfony/http-kernel/Controller/ArgumentResolver.php

@@ -0,0 +1,94 @@
+<?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\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\DefaultValueResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestAttributeValueResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\RequestValueResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\SessionValueResolver;
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\VariadicValueResolver;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactory;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadataFactoryInterface;
+
+/**
+ * Responsible for resolving the arguments passed to an action.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class ArgumentResolver implements ArgumentResolverInterface
+{
+    private $argumentMetadataFactory;
+
+    /**
+     * @var iterable|ArgumentValueResolverInterface[]
+     */
+    private $argumentValueResolvers;
+
+    public function __construct(ArgumentMetadataFactoryInterface $argumentMetadataFactory = null, iterable $argumentValueResolvers = array())
+    {
+        $this->argumentMetadataFactory = $argumentMetadataFactory ?: new ArgumentMetadataFactory();
+        $this->argumentValueResolvers = $argumentValueResolvers ?: self::getDefaultArgumentValueResolvers();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getArguments(Request $request, $controller)
+    {
+        $arguments = array();
+
+        foreach ($this->argumentMetadataFactory->createArgumentMetadata($controller) as $metadata) {
+            foreach ($this->argumentValueResolvers as $resolver) {
+                if (!$resolver->supports($request, $metadata)) {
+                    continue;
+                }
+
+                $resolved = $resolver->resolve($request, $metadata);
+
+                if (!$resolved instanceof \Generator) {
+                    throw new \InvalidArgumentException(sprintf('%s::resolve() must yield at least one value.', \get_class($resolver)));
+                }
+
+                foreach ($resolved as $append) {
+                    $arguments[] = $append;
+                }
+
+                // continue to the next controller argument
+                continue 2;
+            }
+
+            $representative = $controller;
+
+            if (\is_array($representative)) {
+                $representative = sprintf('%s::%s()', \get_class($representative[0]), $representative[1]);
+            } elseif (\is_object($representative)) {
+                $representative = \get_class($representative);
+            }
+
+            throw new \RuntimeException(sprintf('Controller "%s" requires that you provide a value for the "$%s" argument. Either the argument is nullable and no null value has been provided, no default value has been provided or because there is a non optional argument after this one.', $representative, $metadata->getName()));
+        }
+
+        return $arguments;
+    }
+
+    public static function getDefaultArgumentValueResolvers(): iterable
+    {
+        return array(
+            new RequestAttributeValueResolver(),
+            new RequestValueResolver(),
+            new SessionValueResolver(),
+            new DefaultValueResolver(),
+            new VariadicValueResolver(),
+        );
+    }
+}

vendor/symfony/http-kernel/Controller/ArgumentResolver/DefaultValueResolver.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\Controller\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Yields the default value defined in the action signature when no value has been given.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class DefaultValueResolver implements ArgumentValueResolverInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(Request $request, ArgumentMetadata $argument)
+    {
+        return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument)
+    {
+        yield $argument->hasDefaultValue() ? $argument->getDefaultValue() : null;
+    }
+}

vendor/symfony/http-kernel/Controller/ArgumentResolver/RequestAttributeValueResolver.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\Controller\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Yields a non-variadic argument's value from the request attributes.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class RequestAttributeValueResolver implements ArgumentValueResolverInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(Request $request, ArgumentMetadata $argument)
+    {
+        return !$argument->isVariadic() && $request->attributes->has($argument->getName());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument)
+    {
+        yield $request->attributes->get($argument->getName());
+    }
+}

vendor/symfony/http-kernel/Controller/ArgumentResolver/RequestValueResolver.php

@@ -0,0 +1,40 @@
+<?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\Controller\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Yields the same instance as the request object passed along.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class RequestValueResolver implements ArgumentValueResolverInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(Request $request, ArgumentMetadata $argument)
+    {
+        return Request::class === $argument->getType() || is_subclass_of($argument->getType(), Request::class);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument)
+    {
+        yield $request;
+    }
+}

vendor/symfony/http-kernel/Controller/ArgumentResolver/ServiceValueResolver.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\Controller\ArgumentResolver;
+
+use Psr\Container\ContainerInterface;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Yields a service keyed by _controller and argument name.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+final class ServiceValueResolver implements ArgumentValueResolverInterface
+{
+    private $container;
+
+    public function __construct(ContainerInterface $container)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(Request $request, ArgumentMetadata $argument)
+    {
+        $controller = $request->attributes->get('_controller');
+
+        if (\is_array($controller) && \is_callable($controller, true) && \is_string($controller[0])) {
+            $controller = $controller[0].'::'.$controller[1];
+        } elseif (!\is_string($controller) || '' === $controller) {
+            return false;
+        }
+
+        if ('\\' === $controller[0]) {
+            $controller = ltrim($controller, '\\');
+        }
+
+        if (!$this->container->has($controller) && false !== $i = strrpos($controller, ':')) {
+            $controller = substr($controller, 0, $i).strtolower(substr($controller, $i));
+        }
+
+        return $this->container->has($controller) && $this->container->get($controller)->has($argument->getName());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument)
+    {
+        if (\is_array($controller = $request->attributes->get('_controller'))) {
+            $controller = $controller[0].'::'.$controller[1];
+        }
+
+        if ('\\' === $controller[0]) {
+            $controller = ltrim($controller, '\\');
+        }
+
+        if (!$this->container->has($controller)) {
+            $i = strrpos($controller, ':');
+            $controller = substr($controller, 0, $i).strtolower(substr($controller, $i));
+        }
+
+        try {
+            yield $this->container->get($controller)->get($argument->getName());
+        } catch (RuntimeException $e) {
+            $what = sprintf('argument $%s of "%s()"', $argument->getName(), $controller);
+            $message = preg_replace('/service "\.service_locator\.[^"]++"/', $what, $e->getMessage());
+
+            if ($e->getMessage() === $message) {
+                $message = sprintf('Cannot resolve %s: %s', $what, $message);
+            }
+
+            $r = new \ReflectionProperty($e, 'message');
+            $r->setAccessible(true);
+            $r->setValue($e, $message);
+
+            throw $e;
+        }
+    }
+}

vendor/symfony/http-kernel/Controller/ArgumentResolver/SessionValueResolver.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\Controller\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Yields the Session.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class SessionValueResolver implements ArgumentValueResolverInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(Request $request, ArgumentMetadata $argument)
+    {
+        if (!$request->hasSession()) {
+            return false;
+        }
+
+        $type = $argument->getType();
+        if (SessionInterface::class !== $type && !is_subclass_of($type, SessionInterface::class)) {
+            return false;
+        }
+
+        return $request->getSession() instanceof $type;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument)
+    {
+        yield $request->getSession();
+    }
+}

vendor/symfony/http-kernel/Controller/ArgumentResolver/TraceableValueResolver.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\Controller\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+use Symfony\Component\Stopwatch\Stopwatch;
+
+/**
+ * Provides timing information via the stopwatch.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class TraceableValueResolver implements ArgumentValueResolverInterface
+{
+    private $inner;
+    private $stopwatch;
+
+    public function __construct(ArgumentValueResolverInterface $inner, Stopwatch $stopwatch)
+    {
+        $this->inner = $inner;
+        $this->stopwatch = $stopwatch;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(Request $request, ArgumentMetadata $argument): bool
+    {
+        $method = \get_class($this->inner).'::'.__FUNCTION__;
+        $this->stopwatch->start($method);
+
+        $return = $this->inner->supports($request, $argument);
+
+        $this->stopwatch->stop($method);
+
+        return $return;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument): iterable
+    {
+        $method = \get_class($this->inner).'::'.__FUNCTION__;
+        $this->stopwatch->start($method);
+
+        yield from $this->inner->resolve($request, $argument);
+
+        $this->stopwatch->stop($method);
+    }
+}

vendor/symfony/http-kernel/Controller/ArgumentResolver/VariadicValueResolver.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\Controller\ArgumentResolver;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Yields a variadic argument's values from the request attributes.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+final class VariadicValueResolver implements ArgumentValueResolverInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function supports(Request $request, ArgumentMetadata $argument)
+    {
+        return $argument->isVariadic() && $request->attributes->has($argument->getName());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument)
+    {
+        $values = $request->attributes->get($argument->getName());
+
+        if (!\is_array($values)) {
+            throw new \InvalidArgumentException(sprintf('The action argument "...$%1$s" is required to be an array, the request attribute "%1$s" contains a type of "%2$s" instead.', $argument->getName(), \gettype($values)));
+        }
+
+        foreach ($values as $value) {
+            yield $value;
+        }
+    }
+}

vendor/symfony/http-kernel/Controller/ArgumentResolverInterface.php

@@ -0,0 +1,35 @@
+<?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\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * An ArgumentResolverInterface instance knows how to determine the
+ * arguments for a specific action.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface ArgumentResolverInterface
+{
+    /**
+     * Returns the arguments to pass to the controller.
+     *
+     * @param Request  $request
+     * @param callable $controller
+     *
+     * @return array An array of arguments to pass to the controller
+     *
+     * @throws \RuntimeException When no value could be provided for a required argument
+     */
+    public function getArguments(Request $request, $controller);
+}

vendor/symfony/http-kernel/Controller/ArgumentValueResolverInterface.php

@@ -0,0 +1,43 @@
+<?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\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+/**
+ * Responsible for resolving the value of an argument based on its metadata.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ */
+interface ArgumentValueResolverInterface
+{
+    /**
+     * Whether this resolver can resolve the value for the given ArgumentMetadata.
+     *
+     * @param Request          $request
+     * @param ArgumentMetadata $argument
+     *
+     * @return bool
+     */
+    public function supports(Request $request, ArgumentMetadata $argument);
+
+    /**
+     * Returns the possible value(s).
+     *
+     * @param Request          $request
+     * @param ArgumentMetadata $argument
+     *
+     * @return \Generator
+     */
+    public function resolve(Request $request, ArgumentMetadata $argument);
+}

vendor/symfony/http-kernel/Controller/ContainerControllerResolver.php

@@ -0,0 +1,74 @@
+<?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\Controller;
+
+use Psr\Container\ContainerInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\DependencyInjection\Container;
+
+/**
+ * A controller resolver searching for a controller in a psr-11 container when using the "service:method" notation.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
+ */
+class ContainerControllerResolver extends ControllerResolver
+{
+    protected $container;
+
+    public function __construct(ContainerInterface $container, LoggerInterface $logger = null)
+    {
+        $this->container = $container;
+
+        parent::__construct($logger);
+    }
+
+    protected function createController($controller)
+    {
+        if (1 === substr_count($controller, ':')) {
+            $controller = str_replace(':', '::', $controller);
+            @trigger_error(sprintf('Referencing controllers with a single colon is deprecated since Symfony 4.1. Use %s instead.', $controller), E_USER_DEPRECATED);
+        }
+
+        return parent::createController($controller);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function instantiateController($class)
+    {
+        if ($this->container->has($class)) {
+            return $this->container->get($class);
+        }
+
+        try {
+            return parent::instantiateController($class);
+        } catch (\Error $e) {
+        }
+
+        $this->throwExceptionIfControllerWasRemoved($class, $e);
+
+        if ($e instanceof \ArgumentCountError) {
+            throw new \InvalidArgumentException(sprintf('Controller "%s" has required constructor arguments and does not exist in the container. Did you forget to define such a service?', $class), 0, $e);
+        }
+
+        throw new \InvalidArgumentException(sprintf('Controller "%s" does neither exist as service nor as class', $class), 0, $e);
+    }
+
+    private function throwExceptionIfControllerWasRemoved(string $controller, \Throwable $previous)
+    {
+        if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {
+            throw new \InvalidArgumentException(sprintf('Controller "%s" cannot be fetched from the container because it is private. Did you forget to tag the service with "controller.service_arguments"?', $controller), 0, $previous);
+        }
+    }
+}

vendor/symfony/http-kernel/Controller/ControllerReference.php

@@ -0,0 +1,44 @@
+<?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\Controller;
+
+use Symfony\Component\HttpKernel\Fragment\FragmentRendererInterface;
+
+/**
+ * Acts as a marker and a data holder for a Controller.
+ *
+ * Some methods in Symfony accept both a URI (as a string) or a controller as
+ * an argument. In the latter case, instead of passing an array representing
+ * the controller, you can use an instance of this class.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @see FragmentRendererInterface
+ */
+class ControllerReference
+{
+    public $controller;
+    public $attributes = array();
+    public $query = array();
+
+    /**
+     * @param string $controller The controller name
+     * @param array  $attributes An array of parameters to add to the Request attributes
+     * @param array  $query      An array of parameters to add to the Request query string
+     */
+    public function __construct(string $controller, array $attributes = array(), array $query = array())
+    {
+        $this->controller = $controller;
+        $this->attributes = $attributes;
+        $this->query = $query;
+    }
+}

vendor/symfony/http-kernel/Controller/ControllerResolver.php

@@ -0,0 +1,206 @@
+<?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\Controller;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * This implementation uses the '_controller' request attribute to determine
+ * the controller to execute.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Tobias Schultze <http://tobion.de>
+ */
+class ControllerResolver implements ControllerResolverInterface
+{
+    private $logger;
+
+    public function __construct(LoggerInterface $logger = null)
+    {
+        $this->logger = $logger;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getController(Request $request)
+    {
+        if (!$controller = $request->attributes->get('_controller')) {
+            if (null !== $this->logger) {
+                $this->logger->warning('Unable to look for the controller as the "_controller" parameter is missing.');
+            }
+
+            return false;
+        }
+
+        if (\is_array($controller)) {
+            if (isset($controller[0]) && \is_string($controller[0]) && isset($controller[1])) {
+                try {
+                    $controller[0] = $this->instantiateController($controller[0]);
+                } catch (\Error | \LogicException $e) {
+                    try {
+                        // We cannot just check is_callable but have to use reflection because a non-static method
+                        // can still be called statically in PHP but we don't want that. This is deprecated in PHP 7, so we
+                        // could simplify this with PHP 8.
+                        if ((new \ReflectionMethod($controller[0], $controller[1]))->isStatic()) {
+                            return $controller;
+                        }
+                    } catch (\ReflectionException $reflectionException) {
+                        throw $e;
+                    }
+
+                    throw $e;
+                }
+            }
+
+            if (!\is_callable($controller)) {
+                throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable. %s', $request->getPathInfo(), $this->getControllerError($controller)));
+            }
+
+            return $controller;
+        }
+
+        if (\is_object($controller)) {
+            if (!\is_callable($controller)) {
+                throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable. %s', $request->getPathInfo(), $this->getControllerError($controller)));
+            }
+
+            return $controller;
+        }
+
+        if (\function_exists($controller)) {
+            return $controller;
+        }
+
+        $callable = $this->createController($controller);
+
+        if (!\is_callable($callable)) {
+            throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable. %s', $request->getPathInfo(), $this->getControllerError($callable)));
+        }
+
+        return $callable;
+    }
+
+    /**
+     * Returns a callable for the given controller.
+     *
+     * @param string $controller A Controller string
+     *
+     * @return callable A PHP callable
+     */
+    protected function createController($controller)
+    {
+        if (false === strpos($controller, '::')) {
+            return $this->instantiateController($controller);
+        }
+
+        list($class, $method) = explode('::', $controller, 2);
+
+        try {
+            return array($this->instantiateController($class), $method);
+        } catch (\Error | \LogicException $e) {
+            try {
+                if ((new \ReflectionMethod($class, $method))->isStatic()) {
+                    return $class.'::'.$method;
+                }
+            } catch (\ReflectionException $reflectionException) {
+                throw $e;
+            }
+
+            throw $e;
+        }
+    }
+
+    /**
+     * Returns an instantiated controller.
+     *
+     * @param string $class A class name
+     *
+     * @return object
+     */
+    protected function instantiateController($class)
+    {
+        return new $class();
+    }
+
+    private function getControllerError($callable)
+    {
+        if (\is_string($callable)) {
+            if (false !== strpos($callable, '::')) {
+                $callable = explode('::', $callable, 2);
+            } else {
+                return sprintf('Function "%s" does not exist.', $callable);
+            }
+        }
+
+        if (\is_object($callable)) {
+            $availableMethods = $this->getClassMethodsWithoutMagicMethods($callable);
+            $alternativeMsg = $availableMethods ? sprintf(' or use one of the available methods: "%s"', implode('", "', $availableMethods)) : '';
+
+            return sprintf('Controller class "%s" cannot be called without a method name. You need to implement "__invoke"%s.', \get_class($callable), $alternativeMsg);
+        }
+
+        if (!\is_array($callable)) {
+            return sprintf('Invalid type for controller given, expected string, array or object, got "%s".', \gettype($callable));
+        }
+
+        if (!isset($callable[0]) || !isset($callable[1]) || 2 !== \count($callable)) {
+            return 'Invalid array callable, expected array(controller, method).';
+        }
+
+        list($controller, $method) = $callable;
+
+        if (\is_string($controller) && !class_exists($controller)) {
+            return sprintf('Class "%s" does not exist.', $controller);
+        }
+
+        $className = \is_object($controller) ? \get_class($controller) : $controller;
+
+        if (method_exists($controller, $method)) {
+            return sprintf('Method "%s" on class "%s" should be public and non-abstract.', $method, $className);
+        }
+
+        $collection = $this->getClassMethodsWithoutMagicMethods($controller);
+
+        $alternatives = array();
+
+        foreach ($collection as $item) {
+            $lev = levenshtein($method, $item);
+
+            if ($lev <= \strlen($method) / 3 || false !== strpos($item, $method)) {
+                $alternatives[] = $item;
+            }
+        }
+
+        asort($alternatives);
+
+        $message = sprintf('Expected method "%s" on class "%s"', $method, $className);
+
+        if (\count($alternatives) > 0) {
+            $message .= sprintf(', did you mean "%s"?', implode('", "', $alternatives));
+        } else {
+            $message .= sprintf('. Available methods: "%s".', implode('", "', $collection));
+        }
+
+        return $message;
+    }
+
+    private function getClassMethodsWithoutMagicMethods($classOrObject)
+    {
+        $methods = get_class_methods($classOrObject);
+
+        return array_filter($methods, function (string $method) {
+            return 0 !== strncmp($method, '__', 2);
+        });
+    }
+}

vendor/symfony/http-kernel/Controller/ControllerResolverInterface.php

@@ -0,0 +1,41 @@
+<?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\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * A ControllerResolverInterface implementation knows how to determine the
+ * controller to execute based on a Request object.
+ *
+ * A Controller can be any valid PHP callable.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface ControllerResolverInterface
+{
+    /**
+     * Returns the Controller instance associated with a Request.
+     *
+     * As several resolvers can exist for a single application, a resolver must
+     * return false when it is not able to determine the controller.
+     *
+     * The resolver must only throw an exception when it should be able to load
+     * controller but cannot because of some errors made by the developer.
+     *
+     * @return callable|false A PHP callable representing the Controller,
+     *                        or false if this resolver is not able to determine the controller
+     *
+     * @throws \LogicException If a controller was found based on the request but it is not callable
+     */
+    public function getController(Request $request);
+}

vendor/symfony/http-kernel/Controller/TraceableArgumentResolver.php

@@ -0,0 +1,44 @@
+<?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\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Stopwatch\Stopwatch;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TraceableArgumentResolver implements ArgumentResolverInterface
+{
+    private $resolver;
+    private $stopwatch;
+
+    public function __construct(ArgumentResolverInterface $resolver, Stopwatch $stopwatch)
+    {
+        $this->resolver = $resolver;
+        $this->stopwatch = $stopwatch;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getArguments(Request $request, $controller)
+    {
+        $e = $this->stopwatch->start('controller.get_arguments');
+
+        $ret = $this->resolver->getArguments($request, $controller);
+
+        $e->stop();
+
+        return $ret;
+    }
+}

vendor/symfony/http-kernel/Controller/TraceableControllerResolver.php

@@ -0,0 +1,44 @@
+<?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\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Stopwatch\Stopwatch;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TraceableControllerResolver implements ControllerResolverInterface
+{
+    private $resolver;
+    private $stopwatch;
+
+    public function __construct(ControllerResolverInterface $resolver, Stopwatch $stopwatch)
+    {
+        $this->resolver = $resolver;
+        $this->stopwatch = $stopwatch;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getController(Request $request)
+    {
+        $e = $this->stopwatch->start('controller.get_callable');
+
+        $ret = $this->resolver->getController($request);
+
+        $e->stop();
+
+        return $ret;
+    }
+}