Symfony Profiler

<?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\AbstractArgument;
use Symfony\Component\DependencyInjection\Argument\BoundArgument;
use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
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
{
public const NS = 'http://symfony.com/schema/dic/services';
protected $autoRegisterAliasesForSinglyImplementedInterfaces = false;
/**
* {@inheritdoc}
*/
public function load($resource, string $type = null)
{
$path = $this->locator->locate($resource);
$xml = $this->parseFileToDOM($path);
$this->container->fileExists($path);
$this->loadXml($xml, $path);
if ($this->env) {
$xpath = new \DOMXPath($xml);
$xpath->registerNamespace('container', self::NS);
foreach ($xpath->query(sprintf('//container:when[@env="%s"]', $this->env)) ?: [] as $root) {
$env = $this->env;
$this->env = null;
try {
$this->loadXml($xml, $path, $root);
} finally {
$this->env = $env;
}
}
}
return null;
}
private function loadXml(\DOMDocument $xml, string $path, \DOMNode $root = null): void
{
$defaults = $this->getServiceDefaults($xml, $path, $root);
// anonymous services
$this->processAnonymousServices($xml, $path, $root);
// imports
$this->parseImports($xml, $path, $root);
// parameters
$this->parseParameters($xml, $path, $root);
// extensions
$this->loadFromExtensions($xml, $root);
// services
try {
$this->parseDefinitions($xml, $path, $defaults, $root);
} finally {
$this->instanceof = [];
$this->registerAliasesForSinglyImplementedInterfaces();
}
}
/**
* {@inheritdoc}
*/
public function supports($resource, string $type = null)
{
if (!\is_string($resource)) {
return false;
}
if (null === $type && 'xml' === pathinfo($resource, \PATHINFO_EXTENSION)) {
return true;
}
return 'xml' === $type;
}
private function parseParameters(\DOMDocument $xml, string $file, \DOMNode $root = null)
{
if ($parameters = $this->getChildren($root ?? $xml->documentElement, 'parameters')) {
$this->container->getParameterBag()->add($this->getArgumentsAsPhp($parameters[0], 'parameter', $file));
}
}
private function parseImports(\DOMDocument $xml, string $file, \DOMNode $root = null)
{
$xpath = new \DOMXPath($xml);
$xpath->registerNamespace('container', self::NS);
if (false === $imports = $xpath->query('.//container:imports/container:import', $root)) {
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, Definition $defaults, \DOMNode $root = null)
{
$xpath = new \DOMXPath($xml);
$xpath->registerNamespace('container', self::NS);
if (false === $services = $xpath->query('.//container:services/container:service|.//container:services/container:prototype|.//container:services/container:stack', $root)) {
return;
}
$this->setCurrentDir(\dirname($file));
$this->instanceof = [];
$this->isLoadingInstanceof = true;
$instanceof = $xpath->query('.//container:services/container:instanceof', $root);
foreach ($instanceof as $service) {
$this->setDefinition((string) $service->getAttribute('id'), $this->parseDefinition($service, $file, new Definition()));
}
$this->isLoadingInstanceof = false;
foreach ($services as $service) {
if ('stack' === $service->tagName) {
$service->setAttribute('parent', '-');
$definition = $this->parseDefinition($service, $file, $defaults)
->setTags(array_merge_recursive(['container.stack' => [[]]], $defaults->getTags()))
;
$this->setDefinition($id = (string) $service->getAttribute('id'), $definition);
$stack = [];
foreach ($this->getChildren($service, 'service') as $k => $frame) {
$k = $frame->getAttribute('id') ?: $k;
$frame->setAttribute('id', $id.'" at index "'.$k);
if ($alias = $frame->getAttribute('alias')) {
$this->validateAlias($frame, $file);
$stack[$k] = new Reference($alias);
} else {
$stack[$k] = $this->parseDefinition($frame, $file, $defaults)
->setInstanceofConditionals($this->instanceof);
}
}
$definition->setArguments($stack);
} elseif (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);
}
}
}
}
private function getServiceDefaults(\DOMDocument $xml, string $file, \DOMNode $root = null): Definition
{
$xpath = new \DOMXPath($xml);
$xpath->registerNamespace('container', self::NS);
if (null === $defaultsNode = $xpath->query('.//container:services/container:defaults', $root)->item(0)) {
return new Definition();
}
$defaultsNode->setAttribute('id', '<defaults>');
return $this->parseDefinition($defaultsNode, $file, new Definition());
}
/**
* Parses an individual Definition.
*/
private function parseDefinition(\DOMElement $service, string $file, Definition $defaults): ?Definition
{
if ($alias = $service->getAttribute('alias')) {
$this->validateAlias($service, $file);
$this->container->setAlias($service->getAttribute('id'), $alias = new Alias($alias));
if ($publicAttr = $service->getAttribute('public')) {
$alias->setPublic(XmlUtils::phpize($publicAttr));
} elseif ($defaults->getChanges()['public'] ?? false) {
$alias->setPublic($defaults->isPublic());
}
if ($deprecated = $this->getChildren($service, 'deprecated')) {
$message = $deprecated[0]->nodeValue ?: '';
$package = $deprecated[0]->getAttribute('package') ?: '';
$version = $deprecated[0]->getAttribute('version') ?: '';
if (!$deprecated[0]->hasAttribute('package')) {
trigger_deprecation('symfony/dependency-injection', '5.1', 'Not setting the attribute "package" of the node "deprecated" in "%s" is deprecated.', $file);
}
if (!$deprecated[0]->hasAttribute('version')) {
trigger_deprecation('symfony/dependency-injection', '5.1', 'Not setting the attribute "version" of the node "deprecated" in "%s" is deprecated.', $file);
}
$alias->setDeprecated($package, $version, $message);
}
return null;
}
if ($this->isLoadingInstanceof) {
$definition = new ChildDefinition('');
} elseif ($parent = $service->getAttribute('parent')) {
$definition = new ChildDefinition($parent);
} else {
$definition = new Definition();
}
if ($defaults->getChanges()['public'] ?? false) {
$definition->setPublic($defaults->isPublic());
}
$definition->setAutowired($defaults->isAutowired());
$definition->setAutoconfigured($defaults->isAutoconfigured());
$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')) {
$definition->setAutoconfigured(XmlUtils::phpize($value));
}
if ($files = $this->getChildren($service, 'file')) {
$definition->setFile($files[0]->nodeValue);
}
if ($deprecated = $this->getChildren($service, 'deprecated')) {
$message = $deprecated[0]->nodeValue ?: '';
$package = $deprecated[0]->getAttribute('package') ?: '';
$version = $deprecated[0]->getAttribute('version') ?: '';
if ('' === $package) {
trigger_deprecation('symfony/dependency-injection', '5.1', 'Not setting the attribute "package" of the node "deprecated" in "%s" is deprecated.', $file);
}
if ('' === $version) {
trigger_deprecation('symfony/dependency-injection', '5.1', 'Not setting the attribute "version" of the node "deprecated" in "%s" is deprecated.', $file);
}
$definition->setDeprecated($package, $version, $message);
}
$definition->setArguments($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');
foreach ($tags as $tag) {
$parameters = [];
$tagName = $tag->nodeValue;
foreach ($tag->attributes as $name => $node) {
if ('name' === $name && '' === $tagName) {
continue;
}
if (str_contains($name, '-') && !str_contains($name, '_') && !\array_key_exists($normalizedName = str_replace('-', '_', $name), $parameters)) {
$parameters[$normalizedName] = XmlUtils::phpize($node->nodeValue);
}
// keep not normalized key
$parameters[$name] = XmlUtils::phpize($node->nodeValue);
}
if ('' === $tagName && '' === $tagName = $tag->getAttribute('name')) {
throw new InvalidArgumentException(sprintf('The tag name for service "%s" in "%s" must be a non-empty string.', $service->getAttribute('id'), $file));
}
$definition->addTag($tagName, $parameters);
}
$definition->setTags(array_merge_recursive($definition->getTags(), $defaults->getTags()));
$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);
}
// deep clone, to avoid multiple process of the same instance in the passes
$bindings = array_merge(unserialize(serialize($defaults->getBindings())), $bindings);
if ($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, $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 an 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": ', $file).$e->getMessage(), $e->getCode(), $e);
}
$this->validateExtensions($dom, $file);
return $dom;
}
/**
* Processes anonymous services.
*/
private function processAnonymousServices(\DOMDocument $xml, string $file, \DOMNode $root = null)
{
$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)]', $root)) {
foreach ($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)]', $root)) {
foreach ($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 $id => [$domElement, $file]) {
if (null !== $definition = $this->parseDefinition($domElement, $file, new Definition())) {
$this->setDefinition($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('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_closure':
if ('' === $arg->getAttribute('id')) {
throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="service_closure" has no or empty "id" attribute in "%s".', $name, $file));
}
$arguments[$key] = new ServiceClosureArgument(new Reference($arg->getAttribute('id'), $invalidBehavior));
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 'abstract':
$arguments[$key] = new AbstractArgument($arg->nodeValue);
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($path)) {
throw new RuntimeException(sprintf('Extension "%s" references a non-existent XSD file "%s".', get_debug_type($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);
$locationstart = 'phar:///';
}
} elseif ('\\' === \DIRECTORY_SEPARATOR && str_starts_with($location, '\\\\')) {
$locationstart = '';
}
$drive = '\\' === \DIRECTORY_SEPARATOR ? array_shift($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"/>
$imports
</xsd:schema>
EOF
;
if ($this->shouldEnableEntityLoader()) {
$disableEntities = libxml_disable_entity_loader(false);
$valid = @$dom->schemaValidateSource($source);
libxml_disable_entity_loader($disableEntities);
} else {
$valid = @$dom->schemaValidateSource($source);
}
foreach ($tmpfiles as $tmpfile) {
@unlink($tmpfile);
}
return $valid;
}
private function shouldEnableEntityLoader(): bool
{
// Version prior to 8.0 can be enabled without deprecation
if (\PHP_VERSION_ID < 80000) {
return true;
}
static $dom, $schema;
if (null === $dom) {
$dom = new \DOMDocument();
$dom->loadXML('<?xml version="1.0"?><test/>');
$tmpfile = tempnam(sys_get_temp_dir(), 'symfony');
register_shutdown_function(static function () use ($tmpfile) {
@unlink($tmpfile);
});
$schema = '<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:include schemaLocation="file:///'.str_replace('\\', '/', $tmpfile).'" />
</xsd:schema>';
file_put_contents($tmpfile, '<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="test" type="testType" />
<xsd:complexType name="testType"/>
</xsd:schema>');
}
return !@$dom->schemaValidateSource($schema);
}
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 ? 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);
}
}

vendor/symfony/dependency-injection/Loader/XmlFileLoader.php line 230