phpmyadmin working

1 files changed, 728 insertions, 0 deletions

diff --git a/srcs/phpmyadmin/vendor/symfony/dependency-injection/Loader/XmlFileLoader.php b/srcs/phpmyadmin/vendor/symfony/dependency-injection/Loader/XmlFileLoader.php
new file mode 100644
index 0000000..41a9f0a
--- /dev/null
+++ b/srcs/phpmyadmin/vendor/symfony/dependency-injection/Loader/XmlFileLoader.php
@@ -0,0 +1,728 @@
+<?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\DependencyInjection\Loader;
+
+use Symfony\Component\Config\Util\XmlUtils;
+use Symfony\Component\DependencyInjection\Alias;
+use Symfony\Component\DependencyInjection\Argument\BoundArgument;
+use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
+use Symfony\Component\DependencyInjection\Argument\ServiceLocatorArgument;
+use Symfony\Component\DependencyInjection\Argument\TaggedIteratorArgument;
+use Symfony\Component\DependencyInjection\ChildDefinition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\ExpressionLanguage\Expression;
+
+/**
+ * XmlFileLoader loads XML files service definitions.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class XmlFileLoader extends FileLoader
+{
+    const NS = 'http://symfony.com/schema/dic/services';
+
+    protected $autoRegisterAliasesForSinglyImplementedInterfaces = false;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function load($resource, $type = null)
+    {
+        $path = $this->locator->locate($resource);
+
+        $xml = $this->parseFileToDOM($path);
+
+        $this->container->fileExists($path);
+
+        $defaults = $this->getServiceDefaults($xml, $path);
+
+        // anonymous services
+        $this->processAnonymousServices($xml, $path);
+
+        // imports
+        $this->parseImports($xml, $path);
+
+        // parameters
+        $this->parseParameters($xml, $path);
+
+        // extensions
+        $this->loadFromExtensions($xml);
+
+        // services
+        try {
+            $this->parseDefinitions($xml, $path, $defaults);
+        } finally {
+            $this->instanceof = [];
+            $this->registerAliasesForSinglyImplementedInterfaces();
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supports($resource, $type = null)
+    {
+        if (!\is_string($resource)) {
+            return false;
+        }
+
+        if (null === $type && 'xml' === pathinfo($resource, PATHINFO_EXTENSION)) {
+            return true;
+        }
+
+        return 'xml' === $type;
+    }
+
+    private function parseParameters(\DOMDocument $xml, string $file)
+    {
+        if ($parameters = $this->getChildren($xml->documentElement, 'parameters')) {
+            $this->container->getParameterBag()->add($this->getArgumentsAsPhp($parameters[0], 'parameter', $file));
+        }
+    }
+
+    private function parseImports(\DOMDocument $xml, string $file)
+    {
+        $xpath = new \DOMXPath($xml);
+        $xpath->registerNamespace('container', self::NS);
+
+        if (false === $imports = $xpath->query('//container:imports/container:import')) {
+            return;
+        }
+
+        $defaultDirectory = \dirname($file);
+        foreach ($imports as $import) {
+            $this->setCurrentDir($defaultDirectory);
+            $this->import($import->getAttribute('resource'), XmlUtils::phpize($import->getAttribute('type')) ?: null, XmlUtils::phpize($import->getAttribute('ignore-errors')) ?: false, $file);
+        }
+    }
+
+    private function parseDefinitions(\DOMDocument $xml, string $file, array $defaults)
+    {
+        $xpath = new \DOMXPath($xml);
+        $xpath->registerNamespace('container', self::NS);
+
+        if (false === $services = $xpath->query('//container:services/container:service|//container:services/container:prototype')) {
+            return;
+        }
+        $this->setCurrentDir(\dirname($file));
+
+        $this->instanceof = [];
+        $this->isLoadingInstanceof = true;
+        $instanceof = $xpath->query('//container:services/container:instanceof');
+        foreach ($instanceof as $service) {
+            $this->setDefinition((string) $service->getAttribute('id'), $this->parseDefinition($service, $file, []));
+        }
+
+        $this->isLoadingInstanceof = false;
+        foreach ($services as $service) {
+            if (null !== $definition = $this->parseDefinition($service, $file, $defaults)) {
+                if ('prototype' === $service->tagName) {
+                    $excludes = array_column($this->getChildren($service, 'exclude'), 'nodeValue');
+                    if ($service->hasAttribute('exclude')) {
+                        if (\count($excludes) > 0) {
+                            throw new InvalidArgumentException('You cannot use both the attribute "exclude" and <exclude> tags at the same time.');
+                        }
+                        $excludes = [$service->getAttribute('exclude')];
+                    }
+                    $this->registerClasses($definition, (string) $service->getAttribute('namespace'), (string) $service->getAttribute('resource'), $excludes);
+                } else {
+                    $this->setDefinition((string) $service->getAttribute('id'), $definition);
+                }
+            }
+        }
+    }
+
+    /**
+     * Get service defaults.
+     */
+    private function getServiceDefaults(\DOMDocument $xml, string $file): array
+    {
+        $xpath = new \DOMXPath($xml);
+        $xpath->registerNamespace('container', self::NS);
+
+        if (null === $defaultsNode = $xpath->query('//container:services/container:defaults')->item(0)) {
+            return [];
+        }
+
+        $bindings = [];
+        foreach ($this->getArgumentsAsPhp($defaultsNode, 'bind', $file) as $argument => $value) {
+            $bindings[$argument] = new BoundArgument($value, true, BoundArgument::DEFAULTS_BINDING, $file);
+        }
+
+        $defaults = [
+            'tags' => $this->getChildren($defaultsNode, 'tag'),
+            'bind' => $bindings,
+        ];
+
+        foreach ($defaults['tags'] as $tag) {
+            if ('' === $tag->getAttribute('name')) {
+                throw new InvalidArgumentException(sprintf('The tag name for tag "<defaults>" in %s must be a non-empty string.', $file));
+            }
+        }
+
+        if ($defaultsNode->hasAttribute('autowire')) {
+            $defaults['autowire'] = XmlUtils::phpize($defaultsNode->getAttribute('autowire'));
+        }
+        if ($defaultsNode->hasAttribute('public')) {
+            $defaults['public'] = XmlUtils::phpize($defaultsNode->getAttribute('public'));
+        }
+        if ($defaultsNode->hasAttribute('autoconfigure')) {
+            $defaults['autoconfigure'] = XmlUtils::phpize($defaultsNode->getAttribute('autoconfigure'));
+        }
+
+        return $defaults;
+    }
+
+    /**
+     * Parses an individual Definition.
+     */
+    private function parseDefinition(\DOMElement $service, string $file, array $defaults): ?Definition
+    {
+        if ($alias = $service->getAttribute('alias')) {
+            $this->validateAlias($service, $file);
+
+            $this->container->setAlias((string) $service->getAttribute('id'), $alias = new Alias($alias));
+            if ($publicAttr = $service->getAttribute('public')) {
+                $alias->setPublic(XmlUtils::phpize($publicAttr));
+            } elseif (isset($defaults['public'])) {
+                $alias->setPublic($defaults['public']);
+            }
+
+            if ($deprecated = $this->getChildren($service, 'deprecated')) {
+                $alias->setDeprecated(true, $deprecated[0]->nodeValue ?: null);
+            }
+
+            return null;
+        }
+
+        if ($this->isLoadingInstanceof) {
+            $definition = new ChildDefinition('');
+        } elseif ($parent = $service->getAttribute('parent')) {
+            if (!empty($this->instanceof)) {
+                throw new InvalidArgumentException(sprintf('The service "%s" cannot use the "parent" option in the same file where "instanceof" configuration is defined as using both is not supported. Move your child definitions to a separate file.', $service->getAttribute('id')));
+            }
+
+            foreach ($defaults as $k => $v) {
+                if ('tags' === $k) {
+                    // since tags are never inherited from parents, there is no confusion
+                    // thus we can safely add them as defaults to ChildDefinition
+                    continue;
+                }
+                if ('bind' === $k) {
+                    if ($defaults['bind']) {
+                        throw new InvalidArgumentException(sprintf('Bound values on service "%s" cannot be inherited from "defaults" when a "parent" is set. Move your child definitions to a separate file.', $service->getAttribute('id')));
+                    }
+
+                    continue;
+                }
+                if (!$service->hasAttribute($k)) {
+                    throw new InvalidArgumentException(sprintf('Attribute "%s" on service "%s" cannot be inherited from "defaults" when a "parent" is set. Move your child definitions to a separate file or define this attribute explicitly.', $k, $service->getAttribute('id')));
+                }
+            }
+
+            $definition = new ChildDefinition($parent);
+        } else {
+            $definition = new Definition();
+
+            if (isset($defaults['public'])) {
+                $definition->setPublic($defaults['public']);
+            }
+            if (isset($defaults['autowire'])) {
+                $definition->setAutowired($defaults['autowire']);
+            }
+            if (isset($defaults['autoconfigure'])) {
+                $definition->setAutoconfigured($defaults['autoconfigure']);
+            }
+
+            $definition->setChanges([]);
+        }
+
+        foreach (['class', 'public', 'shared', 'synthetic', 'abstract'] as $key) {
+            if ($value = $service->getAttribute($key)) {
+                $method = 'set'.$key;
+                $definition->$method($value = XmlUtils::phpize($value));
+            }
+        }
+
+        if ($value = $service->getAttribute('lazy')) {
+            $definition->setLazy((bool) $value = XmlUtils::phpize($value));
+            if (\is_string($value)) {
+                $definition->addTag('proxy', ['interface' => $value]);
+            }
+        }
+
+        if ($value = $service->getAttribute('autowire')) {
+            $definition->setAutowired(XmlUtils::phpize($value));
+        }
+
+        if ($value = $service->getAttribute('autoconfigure')) {
+            if (!$definition instanceof ChildDefinition) {
+                $definition->setAutoconfigured(XmlUtils::phpize($value));
+            } elseif ($value = XmlUtils::phpize($value)) {
+                throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also have "autoconfigure". Try setting autoconfigure="false" for the service.', $service->getAttribute('id')));
+            }
+        }
+
+        if ($files = $this->getChildren($service, 'file')) {
+            $definition->setFile($files[0]->nodeValue);
+        }
+
+        if ($deprecated = $this->getChildren($service, 'deprecated')) {
+            $definition->setDeprecated(true, $deprecated[0]->nodeValue ?: null);
+        }
+
+        $definition->setArguments($this->getArgumentsAsPhp($service, 'argument', $file, $definition instanceof ChildDefinition));
+        $definition->setProperties($this->getArgumentsAsPhp($service, 'property', $file));
+
+        if ($factories = $this->getChildren($service, 'factory')) {
+            $factory = $factories[0];
+            if ($function = $factory->getAttribute('function')) {
+                $definition->setFactory($function);
+            } else {
+                if ($childService = $factory->getAttribute('service')) {
+                    $class = new Reference($childService, ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);
+                } else {
+                    $class = $factory->hasAttribute('class') ? $factory->getAttribute('class') : null;
+                }
+
+                $definition->setFactory([$class, $factory->getAttribute('method') ?: '__invoke']);
+            }
+        }
+
+        if ($configurators = $this->getChildren($service, 'configurator')) {
+            $configurator = $configurators[0];
+            if ($function = $configurator->getAttribute('function')) {
+                $definition->setConfigurator($function);
+            } else {
+                if ($childService = $configurator->getAttribute('service')) {
+                    $class = new Reference($childService, ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);
+                } else {
+                    $class = $configurator->getAttribute('class');
+                }
+
+                $definition->setConfigurator([$class, $configurator->getAttribute('method') ?: '__invoke']);
+            }
+        }
+
+        foreach ($this->getChildren($service, 'call') as $call) {
+            $definition->addMethodCall($call->getAttribute('method'), $this->getArgumentsAsPhp($call, 'argument', $file), XmlUtils::phpize($call->getAttribute('returns-clone')));
+        }
+
+        $tags = $this->getChildren($service, 'tag');
+
+        if (!empty($defaults['tags'])) {
+            $tags = array_merge($tags, $defaults['tags']);
+        }
+
+        foreach ($tags as $tag) {
+            $parameters = [];
+            foreach ($tag->attributes as $name => $node) {
+                if ('name' === $name) {
+                    continue;
+                }
+
+                if (false !== strpos($name, '-') && false === strpos($name, '_') && !\array_key_exists($normalizedName = str_replace('-', '_', $name), $parameters)) {
+                    $parameters[$normalizedName] = XmlUtils::phpize($node->nodeValue);
+                }
+                // keep not normalized key
+                $parameters[$name] = XmlUtils::phpize($node->nodeValue);
+            }
+
+            if ('' === $tag->getAttribute('name')) {
+                throw new InvalidArgumentException(sprintf('The tag name for service "%s" in %s must be a non-empty string.', (string) $service->getAttribute('id'), $file));
+            }
+
+            $definition->addTag($tag->getAttribute('name'), $parameters);
+        }
+
+        $bindings = $this->getArgumentsAsPhp($service, 'bind', $file);
+        $bindingType = $this->isLoadingInstanceof ? BoundArgument::INSTANCEOF_BINDING : BoundArgument::SERVICE_BINDING;
+        foreach ($bindings as $argument => $value) {
+            $bindings[$argument] = new BoundArgument($value, true, $bindingType, $file);
+        }
+
+        if (isset($defaults['bind'])) {
+            // deep clone, to avoid multiple process of the same instance in the passes
+            $bindings = array_merge(unserialize(serialize($defaults['bind'])), $bindings);
+        }
+        if ($bindings) {
+            $definition->setBindings($bindings);
+        }
+
+        if ($decorates = $service->getAttribute('decorates')) {
+            $decorationOnInvalid = $service->getAttribute('decoration-on-invalid') ?: 'exception';
+            if ('exception' === $decorationOnInvalid) {
+                $invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;
+            } elseif ('ignore' === $decorationOnInvalid) {
+                $invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
+            } elseif ('null' === $decorationOnInvalid) {
+                $invalidBehavior = ContainerInterface::NULL_ON_INVALID_REFERENCE;
+            } else {
+                throw new InvalidArgumentException(sprintf('Invalid value "%s" for attribute "decoration-on-invalid" on service "%s". Did you mean "exception", "ignore" or "null" in "%s"?', $decorationOnInvalid, (string) $service->getAttribute('id'), $file));
+            }
+
+            $renameId = $service->hasAttribute('decoration-inner-name') ? $service->getAttribute('decoration-inner-name') : null;
+            $priority = $service->hasAttribute('decoration-priority') ? $service->getAttribute('decoration-priority') : 0;
+
+            $definition->setDecoratedService($decorates, $renameId, $priority, $invalidBehavior);
+        }
+
+        return $definition;
+    }
+
+    /**
+     * Parses a XML file to a \DOMDocument.
+     *
+     * @throws InvalidArgumentException When loading of XML file returns error
+     */
+    private function parseFileToDOM(string $file): \DOMDocument
+    {
+        try {
+            $dom = XmlUtils::loadFile($file, [$this, 'validateSchema']);
+        } catch (\InvalidArgumentException $e) {
+            throw new InvalidArgumentException(sprintf('Unable to parse file "%s": %s', $file, $e->getMessage()), $e->getCode(), $e);
+        }
+
+        $this->validateExtensions($dom, $file);
+
+        return $dom;
+    }
+
+    /**
+     * Processes anonymous services.
+     */
+    private function processAnonymousServices(\DOMDocument $xml, string $file)
+    {
+        $definitions = [];
+        $count = 0;
+        $suffix = '~'.ContainerBuilder::hash($file);
+
+        $xpath = new \DOMXPath($xml);
+        $xpath->registerNamespace('container', self::NS);
+
+        // anonymous services as arguments/properties
+        if (false !== $nodes = $xpath->query('//container:argument[@type="service"][not(@id)]|//container:property[@type="service"][not(@id)]|//container:bind[not(@id)]|//container:factory[not(@service)]|//container:configurator[not(@service)]')) {
+            foreach ($nodes as $node) {
+                if ($services = $this->getChildren($node, 'service')) {
+                    // give it a unique name
+                    $id = sprintf('.%d_%s', ++$count, preg_replace('/^.*\\\\/', '', $services[0]->getAttribute('class')).$suffix);
+                    $node->setAttribute('id', $id);
+                    $node->setAttribute('service', $id);
+
+                    $definitions[$id] = [$services[0], $file];
+                    $services[0]->setAttribute('id', $id);
+
+                    // anonymous services are always private
+                    // we could not use the constant false here, because of XML parsing
+                    $services[0]->setAttribute('public', 'false');
+                }
+            }
+        }
+
+        // anonymous services "in the wild"
+        if (false !== $nodes = $xpath->query('//container:services/container:service[not(@id)]')) {
+            foreach ($nodes as $node) {
+                throw new InvalidArgumentException(sprintf('Top-level services must have "id" attribute, none found in %s at line %d.', $file, $node->getLineNo()));
+            }
+        }
+
+        // resolve definitions
+        uksort($definitions, 'strnatcmp');
+        foreach (array_reverse($definitions) as $id => list($domElement, $file)) {
+            if (null !== $definition = $this->parseDefinition($domElement, $file, [])) {
+                $this->setDefinition($id, $definition);
+            }
+        }
+    }
+
+    private function getArgumentsAsPhp(\DOMElement $node, string $name, string $file, bool $isChildDefinition = false): array
+    {
+        $arguments = [];
+        foreach ($this->getChildren($node, $name) as $arg) {
+            if ($arg->hasAttribute('name')) {
+                $arg->setAttribute('key', $arg->getAttribute('name'));
+            }
+
+            // this is used by ChildDefinition to overwrite a specific
+            // argument of the parent definition
+            if ($arg->hasAttribute('index')) {
+                $key = ($isChildDefinition ? 'index_' : '').$arg->getAttribute('index');
+            } elseif (!$arg->hasAttribute('key')) {
+                // Append an empty argument, then fetch its key to overwrite it later
+                $arguments[] = null;
+                $keys = array_keys($arguments);
+                $key = array_pop($keys);
+            } else {
+                $key = $arg->getAttribute('key');
+            }
+
+            $onInvalid = $arg->getAttribute('on-invalid');
+            $invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;
+            if ('ignore' == $onInvalid) {
+                $invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
+            } elseif ('ignore_uninitialized' == $onInvalid) {
+                $invalidBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;
+            } elseif ('null' == $onInvalid) {
+                $invalidBehavior = ContainerInterface::NULL_ON_INVALID_REFERENCE;
+            }
+
+            switch ($arg->getAttribute('type')) {
+                case 'service':
+                    if ('' === $arg->getAttribute('id')) {
+                        throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="service" has no or empty "id" attribute in "%s".', $name, $file));
+                    }
+
+                    $arguments[$key] = new Reference($arg->getAttribute('id'), $invalidBehavior);
+                    break;
+                case 'expression':
+                    if (!class_exists(Expression::class)) {
+                        throw new \LogicException(sprintf('The type="expression" attribute cannot be used without the ExpressionLanguage component. Try running "composer require symfony/expression-language".'));
+                    }
+
+                    $arguments[$key] = new Expression($arg->nodeValue);
+                    break;
+                case 'collection':
+                    $arguments[$key] = $this->getArgumentsAsPhp($arg, $name, $file);
+                    break;
+                case 'iterator':
+                    $arg = $this->getArgumentsAsPhp($arg, $name, $file);
+                    try {
+                        $arguments[$key] = new IteratorArgument($arg);
+                    } catch (InvalidArgumentException $e) {
+                        throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="iterator" only accepts collections of type="service" references in "%s".', $name, $file));
+                    }
+                    break;
+                case 'service_locator':
+                    $arg = $this->getArgumentsAsPhp($arg, $name, $file);
+                    try {
+                        $arguments[$key] = new ServiceLocatorArgument($arg);
+                    } catch (InvalidArgumentException $e) {
+                        throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="service_locator" only accepts maps of type="service" references in "%s".', $name, $file));
+                    }
+                    break;
+                case 'tagged':
+                case 'tagged_iterator':
+                case 'tagged_locator':
+                    $type = $arg->getAttribute('type');
+                    $forLocator = 'tagged_locator' === $type;
+
+                    if (!$arg->getAttribute('tag')) {
+                        throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="%s" has no or empty "tag" attribute in "%s".', $name, $type, $file));
+                    }
+
+                    $arguments[$key] = new TaggedIteratorArgument($arg->getAttribute('tag'), $arg->getAttribute('index-by') ?: null, $arg->getAttribute('default-index-method') ?: null, $forLocator, $arg->getAttribute('default-priority-method') ?: null);
+
+                    if ($forLocator) {
+                        $arguments[$key] = new ServiceLocatorArgument($arguments[$key]);
+                    }
+                    break;
+                case 'binary':
+                    if (false === $value = base64_decode($arg->nodeValue)) {
+                        throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="binary" is not a valid base64 encoded string.', $name));
+                    }
+                    $arguments[$key] = $value;
+                    break;
+                case 'string':
+                    $arguments[$key] = $arg->nodeValue;
+                    break;
+                case 'constant':
+                    $arguments[$key] = \constant(trim($arg->nodeValue));
+                    break;
+                default:
+                    $arguments[$key] = XmlUtils::phpize($arg->nodeValue);
+            }
+        }
+
+        return $arguments;
+    }
+
+    /**
+     * Get child elements by name.
+     *
+     * @return \DOMElement[]
+     */
+    private function getChildren(\DOMNode $node, string $name): array
+    {
+        $children = [];
+        foreach ($node->childNodes as $child) {
+            if ($child instanceof \DOMElement && $child->localName === $name && self::NS === $child->namespaceURI) {
+                $children[] = $child;
+            }
+        }
+
+        return $children;
+    }
+
+    /**
+     * Validates a documents XML schema.
+     *
+     * @return bool
+     *
+     * @throws RuntimeException When extension references a non-existent XSD file
+     */
+    public function validateSchema(\DOMDocument $dom)
+    {
+        $schemaLocations = ['http://symfony.com/schema/dic/services' => str_replace('\\', '/', __DIR__.'/schema/dic/services/services-1.0.xsd')];
+
+        if ($element = $dom->documentElement->getAttributeNS('http://www.w3.org/2001/XMLSchema-instance', 'schemaLocation')) {
+            $items = preg_split('/\s+/', $element);
+            for ($i = 0, $nb = \count($items); $i < $nb; $i += 2) {
+                if (!$this->container->hasExtension($items[$i])) {
+                    continue;
+                }
+
+                if (($extension = $this->container->getExtension($items[$i])) && false !== $extension->getXsdValidationBasePath()) {
+                    $ns = $extension->getNamespace();
+                    $path = str_replace([$ns, str_replace('http://', 'https://', $ns)], str_replace('\\', '/', $extension->getXsdValidationBasePath()).'/', $items[$i + 1]);
+
+                    if (!is_file($path)) {
+                        throw new RuntimeException(sprintf('Extension "%s" references a non-existent XSD file "%s"', \get_class($extension), $path));
+                    }
+
+                    $schemaLocations[$items[$i]] = $path;
+                }
+            }
+        }
+
+        $tmpfiles = [];
+        $imports = '';
+        foreach ($schemaLocations as $namespace => $location) {
+            $parts = explode('/', $location);
+            $locationstart = 'file:///';
+            if (0 === stripos($location, 'phar://')) {
+                $tmpfile = tempnam(sys_get_temp_dir(), 'symfony');
+                if ($tmpfile) {
+                    copy($location, $tmpfile);
+                    $tmpfiles[] = $tmpfile;
+                    $parts = explode('/', str_replace('\\', '/', $tmpfile));
+                } else {
+                    array_shift($parts);
+                    $locationstart = 'phar:///';
+                }
+            }
+            $drive = '\\' === \DIRECTORY_SEPARATOR ? array_shift($parts).'/' : '';
+            $location = $locationstart.$drive.implode('/', array_map('rawurlencode', $parts));
+
+            $imports .= sprintf('  <xsd:import namespace="%s" schemaLocation="%s" />'."\n", $namespace, $location);
+        }
+
+        $source = <<<EOF
+<?xml version="1.0" encoding="utf-8" ?>
+<xsd:schema xmlns="http://symfony.com/schema"
+    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+    targetNamespace="http://symfony.com/schema"
+    elementFormDefault="qualified">
+
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace"/>
+$imports
+</xsd:schema>
+EOF
+        ;
+
+        $disableEntities = libxml_disable_entity_loader(false);
+        $valid = @$dom->schemaValidateSource($source);
+        libxml_disable_entity_loader($disableEntities);
+
+        foreach ($tmpfiles as $tmpfile) {
+            @unlink($tmpfile);
+        }
+
+        return $valid;
+    }
+
+    private function validateAlias(\DOMElement $alias, string $file)
+    {
+        foreach ($alias->attributes as $name => $node) {
+            if (!\in_array($name, ['alias', 'id', 'public'])) {
+                throw new InvalidArgumentException(sprintf('Invalid attribute "%s" defined for alias "%s" in "%s".', $name, $alias->getAttribute('id'), $file));
+            }
+        }
+
+        foreach ($alias->childNodes as $child) {
+            if (!$child instanceof \DOMElement || self::NS !== $child->namespaceURI) {
+                continue;
+            }
+            if (!\in_array($child->localName, ['deprecated'], true)) {
+                throw new InvalidArgumentException(sprintf('Invalid child element "%s" defined for alias "%s" in "%s".', $child->localName, $alias->getAttribute('id'), $file));
+            }
+        }
+    }
+
+    /**
+     * Validates an extension.
+     *
+     * @throws InvalidArgumentException When no extension is found corresponding to a tag
+     */
+    private function validateExtensions(\DOMDocument $dom, string $file)
+    {
+        foreach ($dom->documentElement->childNodes as $node) {
+            if (!$node instanceof \DOMElement || 'http://symfony.com/schema/dic/services' === $node->namespaceURI) {
+                continue;
+            }
+
+            // can it be handled by an extension?
+            if (!$this->container->hasExtension($node->namespaceURI)) {
+                $extensionNamespaces = array_filter(array_map(function (ExtensionInterface $ext) { return $ext->getNamespace(); }, $this->container->getExtensions()));
+                throw new InvalidArgumentException(sprintf('There is no extension able to load the configuration for "%s" (in %s). Looked for namespace "%s", found %s', $node->tagName, $file, $node->namespaceURI, $extensionNamespaces ? sprintf('"%s"', implode('", "', $extensionNamespaces)) : 'none'));
+            }
+        }
+    }
+
+    /**
+     * Loads from an extension.
+     */
+    private function loadFromExtensions(\DOMDocument $xml)
+    {
+        foreach ($xml->documentElement->childNodes as $node) {
+            if (!$node instanceof \DOMElement || self::NS === $node->namespaceURI) {
+                continue;
+            }
+
+            $values = static::convertDomElementToArray($node);
+            if (!\is_array($values)) {
+                $values = [];
+            }
+
+            $this->container->loadFromExtension($node->namespaceURI, $values);
+        }
+    }
+
+    /**
+     * Converts a \DOMElement object to a PHP array.
+     *
+     * The following rules applies during the conversion:
+     *
+     *  * Each tag is converted to a key value or an array
+     *    if there is more than one "value"
+     *
+     *  * The content of a tag is set under a "value" key (<foo>bar</foo>)
+     *    if the tag also has some nested tags
+     *
+     *  * The attributes are converted to keys (<foo foo="bar"/>)
+     *
+     *  * The nested-tags are converted to keys (<foo><foo>bar</foo></foo>)
+     *
+     * @param \DOMElement $element A \DOMElement instance
+     *
+     * @return mixed
+     */
+    public static function convertDomElementToArray(\DOMElement $element)
+    {
+        return XmlUtils::convertDomElementToArray($element);
+    }
+}