521 lines
19 KiB
PHP
521 lines
19 KiB
PHP
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<?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\DependencyInjection\DefinitionDecorator;
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use Symfony\Component\DependencyInjection\Alias;
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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\Reference;
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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\Config\Resource\FileResource;
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use Symfony\Component\Yaml\Exception\ParseException;
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use Symfony\Component\Yaml\Parser as YamlParser;
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use Symfony\Component\Yaml\Yaml;
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use Symfony\Component\ExpressionLanguage\Expression;
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/**
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* YamlFileLoader loads YAML files service definitions.
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*
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* The YAML format does not support anonymous services (cf. the XML loader).
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class YamlFileLoader extends FileLoader
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{
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private static $keywords = array(
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'alias' => 'alias',
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'parent' => 'parent',
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'class' => 'class',
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'shared' => 'shared',
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'synthetic' => 'synthetic',
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'lazy' => 'lazy',
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'public' => 'public',
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'abstract' => 'abstract',
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'deprecated' => 'deprecated',
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'factory' => 'factory',
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'file' => 'file',
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'arguments' => 'arguments',
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'properties' => 'properties',
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'configurator' => 'configurator',
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'calls' => 'calls',
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'tags' => 'tags',
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'decorates' => 'decorates',
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'decoration_inner_name' => 'decoration_inner_name',
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'decoration_priority' => 'decoration_priority',
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'autowire' => 'autowire',
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'autowiring_types' => 'autowiring_types',
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);
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private $yamlParser;
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/**
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* {@inheritdoc}
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*/
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public function load($resource, $type = null)
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{
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$path = $this->locator->locate($resource);
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$content = $this->loadFile($path);
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$this->container->addResource(new FileResource($path));
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// empty file
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if (null === $content) {
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return;
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}
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// imports
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$this->parseImports($content, $path);
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// parameters
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if (isset($content['parameters'])) {
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if (!is_array($content['parameters'])) {
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throw new InvalidArgumentException(sprintf('The "parameters" key should contain an array in %s. Check your YAML syntax.', $resource));
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}
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foreach ($content['parameters'] as $key => $value) {
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$this->container->setParameter($key, $this->resolveServices($value));
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}
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}
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// extensions
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$this->loadFromExtensions($content);
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// services
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$this->parseDefinitions($content, $resource);
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}
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/**
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* {@inheritdoc}
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*/
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public function supports($resource, $type = null)
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{
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return is_string($resource) && in_array(pathinfo($resource, PATHINFO_EXTENSION), array('yml', 'yaml'), true);
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}
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/**
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* Parses all imports.
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*
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* @param array $content
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* @param string $file
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*/
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private function parseImports(array $content, $file)
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{
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if (!isset($content['imports'])) {
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return;
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}
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if (!is_array($content['imports'])) {
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throw new InvalidArgumentException(sprintf('The "imports" key should contain an array in %s. Check your YAML syntax.', $file));
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}
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$defaultDirectory = dirname($file);
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foreach ($content['imports'] as $import) {
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if (!is_array($import)) {
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throw new InvalidArgumentException(sprintf('The values in the "imports" key should be arrays in %s. Check your YAML syntax.', $file));
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}
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$this->setCurrentDir($defaultDirectory);
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$this->import($import['resource'], null, isset($import['ignore_errors']) ? (bool) $import['ignore_errors'] : false, $file);
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}
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}
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/**
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* Parses definitions.
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*
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* @param array $content
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* @param string $file
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*/
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private function parseDefinitions(array $content, $file)
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{
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if (!isset($content['services'])) {
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return;
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}
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if (!is_array($content['services'])) {
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throw new InvalidArgumentException(sprintf('The "services" key should contain an array in %s. Check your YAML syntax.', $file));
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}
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foreach ($content['services'] as $id => $service) {
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$this->parseDefinition($id, $service, $file);
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}
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}
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/**
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* Parses a definition.
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*
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* @param string $id
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* @param array|string $service
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* @param string $file
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*
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* @throws InvalidArgumentException When tags are invalid
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*/
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private function parseDefinition($id, $service, $file)
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{
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if (is_string($service) && 0 === strpos($service, '@')) {
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$this->container->setAlias($id, substr($service, 1));
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return;
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}
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if (!is_array($service)) {
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throw new InvalidArgumentException(sprintf('A service definition must be an array or a string starting with "@" but %s found for service "%s" in %s. Check your YAML syntax.', gettype($service), $id, $file));
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}
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static::checkDefinition($id, $service, $file);
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if (isset($service['alias'])) {
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$public = !array_key_exists('public', $service) || (bool) $service['public'];
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$this->container->setAlias($id, new Alias($service['alias'], $public));
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foreach ($service as $key => $value) {
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if (!in_array($key, array('alias', 'public'))) {
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@trigger_error(sprintf('The configuration key "%s" is unsupported for the service "%s" which is defined as an alias in "%s". Allowed configuration keys for service aliases are "alias" and "public". The YamlFileLoader will raise an exception in Symfony 4.0, instead of silently ignoring unsupported attributes.', $key, $id, $file), E_USER_DEPRECATED);
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}
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}
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return;
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}
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if (isset($service['parent'])) {
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$definition = new DefinitionDecorator($service['parent']);
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} else {
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$definition = new Definition();
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}
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if (isset($service['class'])) {
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$definition->setClass($service['class']);
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}
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if (isset($service['shared'])) {
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$definition->setShared($service['shared']);
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}
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if (isset($service['synthetic'])) {
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$definition->setSynthetic($service['synthetic']);
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}
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if (isset($service['lazy'])) {
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$definition->setLazy($service['lazy']);
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}
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if (isset($service['public'])) {
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$definition->setPublic($service['public']);
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}
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if (isset($service['abstract'])) {
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$definition->setAbstract($service['abstract']);
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}
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if (array_key_exists('deprecated', $service)) {
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$definition->setDeprecated(true, $service['deprecated']);
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}
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if (isset($service['factory'])) {
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$definition->setFactory($this->parseCallable($service['factory'], 'factory', $id, $file));
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}
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if (isset($service['file'])) {
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$definition->setFile($service['file']);
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}
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if (isset($service['arguments'])) {
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$definition->setArguments($this->resolveServices($service['arguments']));
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}
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if (isset($service['properties'])) {
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$definition->setProperties($this->resolveServices($service['properties']));
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}
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if (isset($service['configurator'])) {
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$definition->setConfigurator($this->parseCallable($service['configurator'], 'configurator', $id, $file));
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}
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if (isset($service['calls'])) {
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if (!is_array($service['calls'])) {
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throw new InvalidArgumentException(sprintf('Parameter "calls" must be an array for service "%s" in %s. Check your YAML syntax.', $id, $file));
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}
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foreach ($service['calls'] as $call) {
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if (isset($call['method'])) {
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$method = $call['method'];
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$args = isset($call['arguments']) ? $this->resolveServices($call['arguments']) : array();
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} else {
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$method = $call[0];
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$args = isset($call[1]) ? $this->resolveServices($call[1]) : array();
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}
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$definition->addMethodCall($method, $args);
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}
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}
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if (isset($service['tags'])) {
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if (!is_array($service['tags'])) {
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throw new InvalidArgumentException(sprintf('Parameter "tags" must be an array for service "%s" in %s. Check your YAML syntax.', $id, $file));
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}
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foreach ($service['tags'] as $tag) {
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if (!is_array($tag)) {
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throw new InvalidArgumentException(sprintf('A "tags" entry must be an array for service "%s" in %s. Check your YAML syntax.', $id, $file));
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}
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if (!isset($tag['name'])) {
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throw new InvalidArgumentException(sprintf('A "tags" entry is missing a "name" key for service "%s" in %s.', $id, $file));
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}
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if (!is_string($tag['name']) || '' === $tag['name']) {
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throw new InvalidArgumentException(sprintf('The tag name for service "%s" in %s must be a non-empty string.', $id, $file));
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}
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$name = $tag['name'];
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unset($tag['name']);
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foreach ($tag as $attribute => $value) {
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if (!is_scalar($value) && null !== $value) {
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throw new InvalidArgumentException(sprintf('A "tags" attribute must be of a scalar-type for service "%s", tag "%s", attribute "%s" in %s. Check your YAML syntax.', $id, $name, $attribute, $file));
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}
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}
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$definition->addTag($name, $tag);
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}
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}
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if (isset($service['decorates'])) {
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if ('' !== $service['decorates'] && '@' === $service['decorates'][0]) {
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throw new InvalidArgumentException(sprintf('The value of the "decorates" option for the "%s" service must be the id of the service without the "@" prefix (replace "%s" with "%s").', $id, $service['decorates'], substr($service['decorates'], 1)));
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}
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$renameId = isset($service['decoration_inner_name']) ? $service['decoration_inner_name'] : null;
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$priority = isset($service['decoration_priority']) ? $service['decoration_priority'] : 0;
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$definition->setDecoratedService($service['decorates'], $renameId, $priority);
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}
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if (isset($service['autowire'])) {
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$definition->setAutowired($service['autowire']);
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}
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if (isset($service['autowiring_types'])) {
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if (is_string($service['autowiring_types'])) {
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$definition->addAutowiringType($service['autowiring_types']);
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} else {
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if (!is_array($service['autowiring_types'])) {
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throw new InvalidArgumentException(sprintf('Parameter "autowiring_types" must be a string or an array for service "%s" in %s. Check your YAML syntax.', $id, $file));
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}
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foreach ($service['autowiring_types'] as $autowiringType) {
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if (!is_string($autowiringType)) {
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throw new InvalidArgumentException(sprintf('A "autowiring_types" attribute must be of type string for service "%s" in %s. Check your YAML syntax.', $id, $file));
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}
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$definition->addAutowiringType($autowiringType);
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}
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}
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}
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$this->container->setDefinition($id, $definition);
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}
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/**
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* Parses a callable.
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*
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* @param string|array $callable A callable
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* @param string $parameter A parameter (e.g. 'factory' or 'configurator')
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* @param string $id A service identifier
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* @param string $file A parsed file
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*
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* @throws InvalidArgumentException When errors are occuried
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*
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* @return string|array A parsed callable
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*/
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private function parseCallable($callable, $parameter, $id, $file)
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{
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if (is_string($callable)) {
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if ('' !== $callable && '@' === $callable[0]) {
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throw new InvalidArgumentException(sprintf('The value of the "%s" option for the "%s" service must be the id of the service without the "@" prefix (replace "%s" with "%s").', $parameter, $id, $callable, substr($callable, 1)));
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}
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if (false !== strpos($callable, ':') && false === strpos($callable, '::')) {
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$parts = explode(':', $callable);
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return array($this->resolveServices('@'.$parts[0]), $parts[1]);
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}
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return $callable;
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}
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if (is_array($callable)) {
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if (isset($callable[0]) && isset($callable[1])) {
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return array($this->resolveServices($callable[0]), $callable[1]);
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}
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throw new InvalidArgumentException(sprintf('Parameter "%s" must contain an array with two elements for service "%s" in %s. Check your YAML syntax.', $parameter, $id, $file));
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}
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throw new InvalidArgumentException(sprintf('Parameter "%s" must be a string or an array for service "%s" in %s. Check your YAML syntax.', $parameter, $id, $file));
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}
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/**
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* Loads a YAML file.
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||
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*
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* @param string $file
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||
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*
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||
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* @return array The file content
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||
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*
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||
|
|
* @throws InvalidArgumentException when the given file is not a local file or when it does not exist
|
||
|
|
*/
|
||
|
|
protected function loadFile($file)
|
||
|
|
{
|
||
|
|
if (!class_exists('Symfony\Component\Yaml\Parser')) {
|
||
|
|
throw new RuntimeException('Unable to load YAML config files as the Symfony Yaml Component is not installed.');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!stream_is_local($file)) {
|
||
|
|
throw new InvalidArgumentException(sprintf('This is not a local file "%s".', $file));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!file_exists($file)) {
|
||
|
|
throw new InvalidArgumentException(sprintf('The file "%s" does not exist.', $file));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $this->yamlParser) {
|
||
|
|
$this->yamlParser = new YamlParser();
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
$configuration = $this->yamlParser->parse(file_get_contents($file), Yaml::PARSE_CONSTANT);
|
||
|
|
} catch (ParseException $e) {
|
||
|
|
throw new InvalidArgumentException(sprintf('The file "%s" does not contain valid YAML.', $file), 0, $e);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->validate($configuration, $file);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validates a YAML file.
|
||
|
|
*
|
||
|
|
* @param mixed $content
|
||
|
|
* @param string $file
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*
|
||
|
|
* @throws InvalidArgumentException When service file is not valid
|
||
|
|
*/
|
||
|
|
private function validate($content, $file)
|
||
|
|
{
|
||
|
|
if (null === $content) {
|
||
|
|
return $content;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!is_array($content)) {
|
||
|
|
throw new InvalidArgumentException(sprintf('The service file "%s" is not valid. It should contain an array. Check your YAML syntax.', $file));
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($content as $namespace => $data) {
|
||
|
|
if (in_array($namespace, array('imports', 'parameters', 'services'))) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$this->container->hasExtension($namespace)) {
|
||
|
|
$extensionNamespaces = array_filter(array_map(function ($ext) { return $ext->getAlias(); }, $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',
|
||
|
|
$namespace,
|
||
|
|
$file,
|
||
|
|
$namespace,
|
||
|
|
$extensionNamespaces ? sprintf('"%s"', implode('", "', $extensionNamespaces)) : 'none'
|
||
|
|
));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $content;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resolves services.
|
||
|
|
*
|
||
|
|
* @param string|array $value
|
||
|
|
*
|
||
|
|
* @return array|string|Reference
|
||
|
|
*/
|
||
|
|
private function resolveServices($value)
|
||
|
|
{
|
||
|
|
if (is_array($value)) {
|
||
|
|
$value = array_map(array($this, 'resolveServices'), $value);
|
||
|
|
} elseif (is_string($value) && 0 === strpos($value, '@=')) {
|
||
|
|
return new Expression(substr($value, 2));
|
||
|
|
} elseif (is_string($value) && 0 === strpos($value, '@')) {
|
||
|
|
if (0 === strpos($value, '@@')) {
|
||
|
|
$value = substr($value, 1);
|
||
|
|
$invalidBehavior = null;
|
||
|
|
} elseif (0 === strpos($value, '@?')) {
|
||
|
|
$value = substr($value, 2);
|
||
|
|
$invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
|
||
|
|
} else {
|
||
|
|
$value = substr($value, 1);
|
||
|
|
$invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('=' === substr($value, -1)) {
|
||
|
|
$value = substr($value, 0, -1);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null !== $invalidBehavior) {
|
||
|
|
$value = new Reference($value, $invalidBehavior);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads from Extensions.
|
||
|
|
*
|
||
|
|
* @param array $content
|
||
|
|
*/
|
||
|
|
private function loadFromExtensions(array $content)
|
||
|
|
{
|
||
|
|
foreach ($content as $namespace => $values) {
|
||
|
|
if (in_array($namespace, array('imports', 'parameters', 'services'))) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!is_array($values)) {
|
||
|
|
$values = array();
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->container->loadFromExtension($namespace, $values);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks the keywords used to define a service.
|
||
|
|
*
|
||
|
|
* @param string $id The service name
|
||
|
|
* @param array $definition The service definition to check
|
||
|
|
* @param string $file The loaded YAML file
|
||
|
|
*/
|
||
|
|
private static function checkDefinition($id, array $definition, $file)
|
||
|
|
{
|
||
|
|
foreach ($definition as $key => $value) {
|
||
|
|
if (!isset(static::$keywords[$key])) {
|
||
|
|
@trigger_error(sprintf('The configuration key "%s" is unsupported for service definition "%s" in "%s". Allowed configuration keys are "%s". The YamlFileLoader object will raise an exception instead in Symfony 4.0 when detecting an unsupported service configuration key.', $key, $id, $file, implode('", "', static::$keywords)), E_USER_DEPRECATED);
|
||
|
|
// @deprecated Uncomment the following statement in Symfony 4.0
|
||
|
|
// and also update the corresponding unit test to make it expect
|
||
|
|
// an InvalidArgumentException exception.
|
||
|
|
//throw new InvalidArgumentException(sprintf('The configuration key "%s" is unsupported for service definition "%s" in "%s". Allowed configuration keys are "%s".', $key, $id, $file, implode('", "', static::$keywords)));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|