723 lines
28 KiB
PHP
723 lines
28 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\DependencyInjection\Loader;
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use Symfony\Component\Config\Util\XmlUtils;
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use Symfony\Component\DependencyInjection\Alias;
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use Symfony\Component\DependencyInjection\Argument\BoundArgument;
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use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
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use Symfony\Component\DependencyInjection\Argument\TaggedIteratorArgument;
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use Symfony\Component\DependencyInjection\ChildDefinition;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
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use Symfony\Component\DependencyInjection\Exception\RuntimeException;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\ExpressionLanguage\Expression;
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/**
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* XmlFileLoader loads XML files service definitions.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class XmlFileLoader extends FileLoader
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{
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const NS = 'http://symfony.com/schema/dic/services';
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/**
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* {@inheritdoc}
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*/
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public function load($resource, $type = null)
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{
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$path = $this->locator->locate($resource);
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$xml = $this->parseFileToDOM($path);
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$this->container->fileExists($path);
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$defaults = $this->getServiceDefaults($xml, $path);
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// anonymous services
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$this->processAnonymousServices($xml, $path, $defaults);
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// imports
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$this->parseImports($xml, $path);
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// parameters
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$this->parseParameters($xml, $path);
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// extensions
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$this->loadFromExtensions($xml);
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// services
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try {
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$this->parseDefinitions($xml, $path, $defaults);
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} finally {
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$this->instanceof = [];
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function supports($resource, $type = null)
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{
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if (!\is_string($resource)) {
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return false;
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}
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if (null === $type && 'xml' === pathinfo($resource, PATHINFO_EXTENSION)) {
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return true;
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}
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return 'xml' === $type;
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}
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/**
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* Parses parameters.
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*
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* @param string $file
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*/
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private function parseParameters(\DOMDocument $xml, $file)
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{
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if ($parameters = $this->getChildren($xml->documentElement, 'parameters')) {
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$this->container->getParameterBag()->add($this->getArgumentsAsPhp($parameters[0], 'parameter', $file));
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}
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}
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/**
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* Parses imports.
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*
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* @param string $file
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*/
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private function parseImports(\DOMDocument $xml, $file)
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{
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$xpath = new \DOMXPath($xml);
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$xpath->registerNamespace('container', self::NS);
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if (false === $imports = $xpath->query('//container:imports/container:import')) {
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return;
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}
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$defaultDirectory = \dirname($file);
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foreach ($imports as $import) {
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$this->setCurrentDir($defaultDirectory);
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$this->import($import->getAttribute('resource'), XmlUtils::phpize($import->getAttribute('type')) ?: null, (bool) XmlUtils::phpize($import->getAttribute('ignore-errors')), $file);
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}
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}
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/**
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* Parses multiple definitions.
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*
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* @param string $file
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*/
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private function parseDefinitions(\DOMDocument $xml, $file, $defaults)
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{
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$xpath = new \DOMXPath($xml);
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$xpath->registerNamespace('container', self::NS);
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if (false === $services = $xpath->query('//container:services/container:service|//container:services/container:prototype')) {
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return;
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}
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$this->setCurrentDir(\dirname($file));
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$this->instanceof = [];
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$this->isLoadingInstanceof = true;
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$instanceof = $xpath->query('//container:services/container:instanceof');
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foreach ($instanceof as $service) {
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$this->setDefinition((string) $service->getAttribute('id'), $this->parseDefinition($service, $file, []));
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}
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$this->isLoadingInstanceof = false;
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foreach ($services as $service) {
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if (null !== $definition = $this->parseDefinition($service, $file, $defaults)) {
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if ('prototype' === $service->tagName) {
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$this->registerClasses($definition, (string) $service->getAttribute('namespace'), (string) $service->getAttribute('resource'), (string) $service->getAttribute('exclude'));
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} else {
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$this->setDefinition((string) $service->getAttribute('id'), $definition);
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}
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}
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}
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}
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/**
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* Get service defaults.
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*
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* @return array
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*/
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private function getServiceDefaults(\DOMDocument $xml, $file)
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{
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$xpath = new \DOMXPath($xml);
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$xpath->registerNamespace('container', self::NS);
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if (null === $defaultsNode = $xpath->query('//container:services/container:defaults')->item(0)) {
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return [];
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}
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$defaults = [
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'tags' => $this->getChildren($defaultsNode, 'tag'),
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'bind' => array_map(function ($v) { return new BoundArgument($v); }, $this->getArgumentsAsPhp($defaultsNode, 'bind', $file)),
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];
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foreach ($defaults['tags'] as $tag) {
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if ('' === $tag->getAttribute('name')) {
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throw new InvalidArgumentException(sprintf('The tag name for tag "<defaults>" in "%s" must be a non-empty string.', $file));
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}
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}
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if ($defaultsNode->hasAttribute('autowire')) {
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$defaults['autowire'] = XmlUtils::phpize($defaultsNode->getAttribute('autowire'));
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}
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if ($defaultsNode->hasAttribute('public')) {
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$defaults['public'] = XmlUtils::phpize($defaultsNode->getAttribute('public'));
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}
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if ($defaultsNode->hasAttribute('autoconfigure')) {
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$defaults['autoconfigure'] = XmlUtils::phpize($defaultsNode->getAttribute('autoconfigure'));
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}
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return $defaults;
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}
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/**
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* Parses an individual Definition.
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*
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* @param string $file
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*
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* @return Definition|null
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*/
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private function parseDefinition(\DOMElement $service, $file, array $defaults)
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{
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if ($alias = $service->getAttribute('alias')) {
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$this->validateAlias($service, $file);
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$this->container->setAlias((string) $service->getAttribute('id'), $alias = new Alias($alias));
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if ($publicAttr = $service->getAttribute('public')) {
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$alias->setPublic(XmlUtils::phpize($publicAttr));
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} elseif (isset($defaults['public'])) {
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$alias->setPublic($defaults['public']);
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}
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return null;
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}
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if ($this->isLoadingInstanceof) {
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$definition = new ChildDefinition('');
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} elseif ($parent = $service->getAttribute('parent')) {
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if (!empty($this->instanceof)) {
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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.', $service->getAttribute('id')));
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}
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foreach ($defaults as $k => $v) {
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if ('tags' === $k) {
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// since tags are never inherited from parents, there is no confusion
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// thus we can safely add them as defaults to ChildDefinition
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continue;
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}
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if ('bind' === $k) {
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if ($defaults['bind']) {
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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.', $service->getAttribute('id')));
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}
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continue;
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}
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if (!$service->hasAttribute($k)) {
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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, $service->getAttribute('id')));
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}
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}
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$definition = new ChildDefinition($parent);
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} else {
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$definition = new Definition();
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if (isset($defaults['public'])) {
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$definition->setPublic($defaults['public']);
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}
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if (isset($defaults['autowire'])) {
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$definition->setAutowired($defaults['autowire']);
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}
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if (isset($defaults['autoconfigure'])) {
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$definition->setAutoconfigured($defaults['autoconfigure']);
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}
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$definition->setChanges([]);
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}
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foreach (['class', 'public', 'shared', 'synthetic', 'lazy', 'abstract'] as $key) {
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if ($value = $service->getAttribute($key)) {
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$method = 'set'.$key;
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$definition->$method(XmlUtils::phpize($value));
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}
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}
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if ($value = $service->getAttribute('autowire')) {
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$definition->setAutowired(XmlUtils::phpize($value));
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}
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if ($value = $service->getAttribute('autoconfigure')) {
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if (!$definition instanceof ChildDefinition) {
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$definition->setAutoconfigured(XmlUtils::phpize($value));
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} elseif ($value = XmlUtils::phpize($value)) {
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throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also have "autoconfigure". Try setting autoconfigure="false" for the service.', $service->getAttribute('id')));
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}
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}
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if ($files = $this->getChildren($service, 'file')) {
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$definition->setFile($files[0]->nodeValue);
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}
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if ($deprecated = $this->getChildren($service, 'deprecated')) {
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$definition->setDeprecated(true, $deprecated[0]->nodeValue ?: null);
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}
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$definition->setArguments($this->getArgumentsAsPhp($service, 'argument', $file, $definition instanceof ChildDefinition));
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$definition->setProperties($this->getArgumentsAsPhp($service, 'property', $file));
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if ($factories = $this->getChildren($service, 'factory')) {
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$factory = $factories[0];
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if ($function = $factory->getAttribute('function')) {
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$definition->setFactory($function);
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} else {
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if ($childService = $factory->getAttribute('service')) {
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$class = new Reference($childService, ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);
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} else {
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$class = $factory->hasAttribute('class') ? $factory->getAttribute('class') : null;
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}
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$definition->setFactory([$class, $factory->getAttribute('method')]);
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}
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}
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if ($configurators = $this->getChildren($service, 'configurator')) {
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$configurator = $configurators[0];
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if ($function = $configurator->getAttribute('function')) {
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$definition->setConfigurator($function);
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} else {
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if ($childService = $configurator->getAttribute('service')) {
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$class = new Reference($childService, ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);
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} else {
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$class = $configurator->getAttribute('class');
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}
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$definition->setConfigurator([$class, $configurator->getAttribute('method')]);
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}
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}
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foreach ($this->getChildren($service, 'call') as $call) {
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$definition->addMethodCall($call->getAttribute('method'), $this->getArgumentsAsPhp($call, 'argument', $file));
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}
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$tags = $this->getChildren($service, 'tag');
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if (!empty($defaults['tags'])) {
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$tags = array_merge($tags, $defaults['tags']);
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}
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foreach ($tags as $tag) {
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$parameters = [];
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foreach ($tag->attributes as $name => $node) {
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if ('name' === $name) {
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continue;
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}
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if (false !== strpos($name, '-') && false === strpos($name, '_') && !\array_key_exists($normalizedName = str_replace('-', '_', $name), $parameters)) {
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$parameters[$normalizedName] = XmlUtils::phpize($node->nodeValue);
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}
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// keep not normalized key
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$parameters[$name] = XmlUtils::phpize($node->nodeValue);
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}
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if ('' === $tag->getAttribute('name')) {
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throw new InvalidArgumentException(sprintf('The tag name for service "%s" in "%s" must be a non-empty string.', (string) $service->getAttribute('id'), $file));
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}
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$definition->addTag($tag->getAttribute('name'), $parameters);
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}
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foreach ($this->getChildren($service, 'autowiring-type') as $type) {
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$definition->addAutowiringType($type->textContent);
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}
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$bindings = $this->getArgumentsAsPhp($service, 'bind', $file);
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if (isset($defaults['bind'])) {
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// deep clone, to avoid multiple process of the same instance in the passes
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$bindings = array_merge(unserialize(serialize($defaults['bind'])), $bindings);
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}
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if ($bindings) {
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$definition->setBindings($bindings);
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}
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if ($value = $service->getAttribute('decorates')) {
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$renameId = $service->hasAttribute('decoration-inner-name') ? $service->getAttribute('decoration-inner-name') : null;
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$priority = $service->hasAttribute('decoration-priority') ? $service->getAttribute('decoration-priority') : 0;
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$definition->setDecoratedService($value, $renameId, $priority);
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}
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return $definition;
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}
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/**
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* Parses a XML file to a \DOMDocument.
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*
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* @param string $file Path to a file
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*
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* @return \DOMDocument
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*
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* @throws InvalidArgumentException When loading of XML file returns error
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*/
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private function parseFileToDOM($file)
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{
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try {
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$dom = XmlUtils::loadFile($file, [$this, 'validateSchema']);
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} catch (\InvalidArgumentException $e) {
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throw new InvalidArgumentException(sprintf('Unable to parse file "%s": ', $file).$e->getMessage(), $e->getCode(), $e);
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}
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$this->validateExtensions($dom, $file);
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return $dom;
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}
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/**
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* Processes anonymous services.
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*
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* @param string $file
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* @param array $defaults
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*/
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private function processAnonymousServices(\DOMDocument $xml, $file, $defaults)
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{
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$definitions = [];
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$count = 0;
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$suffix = '~'.ContainerBuilder::hash($file);
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$xpath = new \DOMXPath($xml);
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$xpath->registerNamespace('container', self::NS);
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// anonymous services as arguments/properties
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if (false !== $nodes = $xpath->query('//container:argument[@type="service"][not(@id)]|//container:property[@type="service"][not(@id)]|//container:bind[not(@id)]|//container:factory[not(@service)]|//container:configurator[not(@service)]')) {
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foreach ($nodes as $node) {
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if ($services = $this->getChildren($node, 'service')) {
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// give it a unique name
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$id = sprintf('%d_%s', ++$count, preg_replace('/^.*\\\\/', '', $services[0]->getAttribute('class')).$suffix);
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$node->setAttribute('id', $id);
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$node->setAttribute('service', $id);
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$definitions[$id] = [$services[0], $file, false];
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$services[0]->setAttribute('id', $id);
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// anonymous services are always private
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// we could not use the constant false here, because of XML parsing
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$services[0]->setAttribute('public', 'false');
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}
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}
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}
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// anonymous services "in the wild"
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if (false !== $nodes = $xpath->query('//container:services/container:service[not(@id)]')) {
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foreach ($nodes as $node) {
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@trigger_error(sprintf('Top-level anonymous services are deprecated since Symfony 3.4, the "id" attribute will be required in version 4.0 in %s at line %d.', $file, $node->getLineNo()), E_USER_DEPRECATED);
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// give it a unique name
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$id = sprintf('%d_%s', ++$count, preg_replace('/^.*\\\\/', '', $node->getAttribute('class')).$suffix);
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$node->setAttribute('id', $id);
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$definitions[$id] = [$node, $file, true];
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}
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}
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// resolve definitions
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uksort($definitions, 'strnatcmp');
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foreach (array_reverse($definitions) as $id => list($domElement, $file, $wild)) {
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if (null !== $definition = $this->parseDefinition($domElement, $file, $wild ? $defaults : [])) {
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$this->setDefinition($id, $definition);
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}
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if (true === $wild) {
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$tmpDomElement = new \DOMElement('_services', null, self::NS);
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$domElement->parentNode->replaceChild($tmpDomElement, $domElement);
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$tmpDomElement->setAttribute('id', $id);
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}
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}
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}
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/**
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* Returns arguments as valid php types.
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*
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* @param string $name
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* @param string $file
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*
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* @return mixed
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*/
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private function getArgumentsAsPhp(\DOMElement $node, $name, $file, $isChildDefinition = false)
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{
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$arguments = [];
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foreach ($this->getChildren($node, $name) as $arg) {
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if ($arg->hasAttribute('name')) {
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$arg->setAttribute('key', $arg->getAttribute('name'));
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}
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// this is used by ChildDefinition to overwrite a specific
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// argument of the parent definition
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if ($arg->hasAttribute('index')) {
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$key = ($isChildDefinition ? 'index_' : '').$arg->getAttribute('index');
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} elseif (!$arg->hasAttribute('key')) {
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// Append an empty argument, then fetch its key to overwrite it later
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$arguments[] = null;
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$keys = array_keys($arguments);
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$key = array_pop($keys);
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} else {
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$key = $arg->getAttribute('key');
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}
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$onInvalid = $arg->getAttribute('on-invalid');
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$invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;
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if ('ignore' == $onInvalid) {
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$invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
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} elseif ('ignore_uninitialized' == $onInvalid) {
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$invalidBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;
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} elseif ('null' == $onInvalid) {
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$invalidBehavior = ContainerInterface::NULL_ON_INVALID_REFERENCE;
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}
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switch ($arg->getAttribute('type')) {
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case 'service':
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if ('' === $arg->getAttribute('id')) {
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throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="service" has no or empty "id" attribute in "%s".', $name, $file));
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}
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if ($arg->hasAttribute('strict')) {
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@trigger_error(sprintf('The "strict" attribute used when referencing the "%s" service is deprecated since Symfony 3.3 and will be removed in 4.0.', $arg->getAttribute('id')), E_USER_DEPRECATED);
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}
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$arguments[$key] = new Reference($arg->getAttribute('id'), $invalidBehavior);
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break;
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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, $file));
|
|
}
|
|
break;
|
|
case 'tagged':
|
|
if (!$arg->getAttribute('tag')) {
|
|
throw new InvalidArgumentException(sprintf('Tag "<%s>" with type="tagged" has no or empty "tag" attribute in "%s".', $name, $file));
|
|
}
|
|
$arguments[$key] = new TaggedIteratorArgument($arg->getAttribute('tag'));
|
|
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.
|
|
*
|
|
* @param mixed $name
|
|
*
|
|
* @return \DOMElement[]
|
|
*/
|
|
private function getChildren(\DOMNode $node, $name)
|
|
{
|
|
$children = [];
|
|
foreach ($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
|
|
;
|
|
|
|
if (LIBXML_VERSION < 20900) {
|
|
$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;
|
|
}
|
|
|
|
/**
|
|
* Validates an alias.
|
|
*
|
|
* @param string $file
|
|
*/
|
|
private function validateAlias(\DOMElement $alias, $file)
|
|
{
|
|
foreach ($alias->attributes as $name => $node) {
|
|
if (!\in_array($name, ['alias', 'id', 'public'])) {
|
|
@trigger_error(sprintf('Using the attribute "%s" is deprecated for the service "%s" which is defined as an alias in "%s". Allowed attributes for service aliases are "alias", "id" and "public". The XmlFileLoader will raise an exception in Symfony 4.0, instead of silently ignoring unsupported attributes.', $name, $alias->getAttribute('id'), $file), E_USER_DEPRECATED);
|
|
}
|
|
}
|
|
|
|
foreach ($alias->childNodes as $child) {
|
|
if ($child instanceof \DOMElement && self::NS === $child->namespaceURI) {
|
|
@trigger_error(sprintf('Using the element "%s" is deprecated for the service "%s" which is defined as an alias in "%s". The XmlFileLoader will raise an exception in Symfony 4.0, instead of silently ignoring unsupported elements.', $child->localName, $alias->getAttribute('id'), $file), E_USER_DEPRECATED);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Validates an extension.
|
|
*
|
|
* @param string $file
|
|
*
|
|
* @throws InvalidArgumentException When no extension is found corresponding to a tag
|
|
*/
|
|
private function validateExtensions(\DOMDocument $dom, $file)
|
|
{
|
|
foreach ($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)) {
|
|
$extensionNamespaces = array_filter(array_map(function ($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);
|
|
}
|
|
}
|