File "YamlFileLoader.php"
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\DependencyInjection\Loader;
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;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Parser as YamlParser;
use Symfony\Component\Yaml\Tag\TaggedValue;
use Symfony\Component\Yaml\Yaml;
/**
* YamlFileLoader loads YAML files service definitions.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class YamlFileLoader extends FileLoader
{
private const SERVICE_KEYWORDS = [
'alias' => 'alias',
'parent' => 'parent',
'class' => 'class',
'shared' => 'shared',
'synthetic' => 'synthetic',
'lazy' => 'lazy',
'public' => 'public',
'abstract' => 'abstract',
'deprecated' => 'deprecated',
'factory' => 'factory',
'file' => 'file',
'arguments' => 'arguments',
'properties' => 'properties',
'configurator' => 'configurator',
'calls' => 'calls',
'tags' => 'tags',
'decorates' => 'decorates',
'decoration_inner_name' => 'decoration_inner_name',
'decoration_priority' => 'decoration_priority',
'decoration_on_invalid' => 'decoration_on_invalid',
'autowire' => 'autowire',
'autoconfigure' => 'autoconfigure',
'bind' => 'bind',
];
private const PROTOTYPE_KEYWORDS = [
'resource' => 'resource',
'namespace' => 'namespace',
'exclude' => 'exclude',
'parent' => 'parent',
'shared' => 'shared',
'lazy' => 'lazy',
'public' => 'public',
'abstract' => 'abstract',
'deprecated' => 'deprecated',
'factory' => 'factory',
'arguments' => 'arguments',
'properties' => 'properties',
'configurator' => 'configurator',
'calls' => 'calls',
'tags' => 'tags',
'autowire' => 'autowire',
'autoconfigure' => 'autoconfigure',
'bind' => 'bind',
];
private const INSTANCEOF_KEYWORDS = [
'shared' => 'shared',
'lazy' => 'lazy',
'public' => 'public',
'properties' => 'properties',
'configurator' => 'configurator',
'calls' => 'calls',
'tags' => 'tags',
'autowire' => 'autowire',
'bind' => 'bind',
];
private const DEFAULTS_KEYWORDS = [
'public' => 'public',
'tags' => 'tags',
'autowire' => 'autowire',
'autoconfigure' => 'autoconfigure',
'bind' => 'bind',
];
private $yamlParser;
private $anonymousServicesCount;
private $anonymousServicesSuffix;
protected $autoRegisterAliasesForSinglyImplementedInterfaces = false;
/**
* {@inheritdoc}
*/
public function load($resource, string $type = null)
{
$path = $this->locator->locate($resource);
$content = $this->loadFile($path);
$this->container->fileExists($path);
// empty file
if (null === $content) {
return null;
}
$this->loadContent($content, $path);
// per-env configuration
if ($this->env && isset($content['when@'.$this->env])) {
if (!\is_array($content['when@'.$this->env])) {
throw new InvalidArgumentException(sprintf('The "when@%s" key should contain an array in "%s". Check your YAML syntax.', $this->env, $path));
}
$env = $this->env;
$this->env = null;
try {
$this->loadContent($content['when@'.$env], $path);
} finally {
$this->env = $env;
}
}
return null;
}
private function loadContent(array $content, string $path)
{
// imports
$this->parseImports($content, $path);
// parameters
if (isset($content['parameters'])) {
if (!\is_array($content['parameters'])) {
throw new InvalidArgumentException(sprintf('The "parameters" key should contain an array in "%s". Check your YAML syntax.', $path));
}
foreach ($content['parameters'] as $key => $value) {
$this->container->setParameter($key, $this->resolveServices($value, $path, true));
}
}
// extensions
$this->loadFromExtensions($content);
// services
$this->anonymousServicesCount = 0;
$this->anonymousServicesSuffix = '~'.ContainerBuilder::hash($path);
$this->setCurrentDir(\dirname($path));
try {
$this->parseDefinitions($content, $path);
} finally {
$this->instanceof = [];
$this->registerAliasesForSinglyImplementedInterfaces();
}
}
/**
* {@inheritdoc}
*/
public function supports($resource, string $type = null)
{
if (!\is_string($resource)) {
return false;
}
if (null === $type && \in_array(pathinfo($resource, \PATHINFO_EXTENSION), ['yaml', 'yml'], true)) {
return true;
}
return \in_array($type, ['yaml', 'yml'], true);
}
private function parseImports(array $content, string $file)
{
if (!isset($content['imports'])) {
return;
}
if (!\is_array($content['imports'])) {
throw new InvalidArgumentException(sprintf('The "imports" key should contain an array in "%s". Check your YAML syntax.', $file));
}
$defaultDirectory = \dirname($file);
foreach ($content['imports'] as $import) {
if (!\is_array($import)) {
$import = ['resource' => $import];
}
if (!isset($import['resource'])) {
throw new InvalidArgumentException(sprintf('An import should provide a resource in "%s". Check your YAML syntax.', $file));
}
$this->setCurrentDir($defaultDirectory);
$this->import($import['resource'], $import['type'] ?? null, $import['ignore_errors'] ?? false, $file);
}
}
private function parseDefinitions(array $content, string $file, bool $trackBindings = true)
{
if (!isset($content['services'])) {
return;
}
if (!\is_array($content['services'])) {
throw new InvalidArgumentException(sprintf('The "services" key should contain an array in "%s". Check your YAML syntax.', $file));
}
if (\array_key_exists('_instanceof', $content['services'])) {
$instanceof = $content['services']['_instanceof'];
unset($content['services']['_instanceof']);
if (!\is_array($instanceof)) {
throw new InvalidArgumentException(sprintf('Service "_instanceof" key must be an array, "%s" given in "%s".', get_debug_type($instanceof), $file));
}
$this->instanceof = [];
$this->isLoadingInstanceof = true;
foreach ($instanceof as $id => $service) {
if (!$service || !\is_array($service)) {
throw new InvalidArgumentException(sprintf('Type definition "%s" must be a non-empty array within "_instanceof" in "%s". Check your YAML syntax.', $id, $file));
}
if (\is_string($service) && str_starts_with($service, '@')) {
throw new InvalidArgumentException(sprintf('Type definition "%s" cannot be an alias within "_instanceof" in "%s". Check your YAML syntax.', $id, $file));
}
$this->parseDefinition($id, $service, $file, [], false, $trackBindings);
}
}
$this->isLoadingInstanceof = false;
$defaults = $this->parseDefaults($content, $file);
foreach ($content['services'] as $id => $service) {
$this->parseDefinition($id, $service, $file, $defaults, false, $trackBindings);
}
}
/**
* @throws InvalidArgumentException
*/
private function parseDefaults(array &$content, string $file): array
{
if (!\array_key_exists('_defaults', $content['services'])) {
return [];
}
$defaults = $content['services']['_defaults'];
unset($content['services']['_defaults']);
if (!\is_array($defaults)) {
throw new InvalidArgumentException(sprintf('Service "_defaults" key must be an array, "%s" given in "%s".', get_debug_type($defaults), $file));
}
foreach ($defaults as $key => $default) {
if (!isset(self::DEFAULTS_KEYWORDS[$key])) {
throw new InvalidArgumentException(sprintf('The configuration key "%s" cannot be used to define a default value in "%s". Allowed keys are "%s".', $key, $file, implode('", "', self::DEFAULTS_KEYWORDS)));
}
}
if (isset($defaults['tags'])) {
if (!\is_array($tags = $defaults['tags'])) {
throw new InvalidArgumentException(sprintf('Parameter "tags" in "_defaults" must be an array in "%s". Check your YAML syntax.', $file));
}
foreach ($tags as $tag) {
if (!\is_array($tag)) {
$tag = ['name' => $tag];
}
if (1 === \count($tag) && \is_array(current($tag))) {
$name = key($tag);
$tag = current($tag);
} else {
if (!isset($tag['name'])) {
throw new InvalidArgumentException(sprintf('A "tags" entry in "_defaults" is missing a "name" key in "%s".', $file));
}
$name = $tag['name'];
unset($tag['name']);
}
if (!\is_string($name) || '' === $name) {
throw new InvalidArgumentException(sprintf('The tag name in "_defaults" must be a non-empty string in "%s".', $file));
}
foreach ($tag as $attribute => $value) {
if (!\is_scalar($value) && null !== $value) {
throw new InvalidArgumentException(sprintf('Tag "%s", attribute "%s" in "_defaults" must be of a scalar-type in "%s". Check your YAML syntax.', $name, $attribute, $file));
}
}
}
}
if (isset($defaults['bind'])) {
if (!\is_array($defaults['bind'])) {
throw new InvalidArgumentException(sprintf('Parameter "bind" in "_defaults" must be an array in "%s". Check your YAML syntax.', $file));
}
foreach ($this->resolveServices($defaults['bind'], $file) as $argument => $value) {
$defaults['bind'][$argument] = new BoundArgument($value, true, BoundArgument::DEFAULTS_BINDING, $file);
}
}
return $defaults;
}
private function isUsingShortSyntax(array $service): bool
{
foreach ($service as $key => $value) {
if (\is_string($key) && ('' === $key || ('$' !== $key[0] && !str_contains($key, '\\')))) {
return false;
}
}
return true;
}
/**
* Parses a definition.
*
* @param array|string|null $service
*
* @throws InvalidArgumentException When tags are invalid
*/
private function parseDefinition(string $id, $service, string $file, array $defaults, bool $return = false, bool $trackBindings = true)
{
if (preg_match('/^_[a-zA-Z0-9_]*$/', $id)) {
throw new InvalidArgumentException(sprintf('Service names that start with an underscore are reserved. Rename the "%s" service or define it in XML instead.', $id));
}
if (\is_string($service) && str_starts_with($service, '@')) {
$alias = new Alias(substr($service, 1));
if (isset($defaults['public'])) {
$alias->setPublic($defaults['public']);
}
return $return ? $alias : $this->container->setAlias($id, $alias);
}
if (\is_array($service) && $this->isUsingShortSyntax($service)) {
$service = ['arguments' => $service];
}
if (null === $service) {
$service = [];
}
if (!\is_array($service)) {
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.', get_debug_type($service), $id, $file));
}
if (isset($service['stack'])) {
if (!\is_array($service['stack'])) {
throw new InvalidArgumentException(sprintf('A stack must be an array of definitions, "%s" given for service "%s" in "%s". Check your YAML syntax.', get_debug_type($service), $id, $file));
}
$stack = [];
foreach ($service['stack'] as $k => $frame) {
if (\is_array($frame) && 1 === \count($frame) && !isset(self::SERVICE_KEYWORDS[key($frame)])) {
$frame = [
'class' => key($frame),
'arguments' => current($frame),
];
}
if (\is_array($frame) && isset($frame['stack'])) {
throw new InvalidArgumentException(sprintf('Service stack "%s" cannot contain another stack in "%s".', $id, $file));
}
$definition = $this->parseDefinition($id.'" at index "'.$k, $frame, $file, $defaults, true);
if ($definition instanceof Definition) {
$definition->setInstanceofConditionals($this->instanceof);
}
$stack[$k] = $definition;
}
if ($diff = array_diff(array_keys($service), ['stack', 'public', 'deprecated'])) {
throw new InvalidArgumentException(sprintf('Invalid attribute "%s"; supported ones are "public" and "deprecated" for service "%s" in "%s". Check your YAML syntax.', implode('", "', $diff), $id, $file));
}
$service = [
'parent' => '',
'arguments' => $stack,
'tags' => ['container.stack'],
'public' => $service['public'] ?? null,
'deprecated' => $service['deprecated'] ?? null,
];
}
$definition = isset($service[0]) && $service[0] instanceof Definition ? array_shift($service) : null;
$return = null === $definition ? $return : true;
$this->checkDefinition($id, $service, $file);
if (isset($service['alias'])) {
$alias = new Alias($service['alias']);
if (isset($service['public'])) {
$alias->setPublic($service['public']);
} elseif (isset($defaults['public'])) {
$alias->setPublic($defaults['public']);
}
foreach ($service as $key => $value) {
if (!\in_array($key, ['alias', 'public', 'deprecated'])) {
throw new InvalidArgumentException(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", "public" and "deprecated".', $key, $id, $file));
}
if ('deprecated' === $key) {
$deprecation = \is_array($value) ? $value : ['message' => $value];
if (!isset($deprecation['package'])) {
trigger_deprecation('symfony/dependency-injection', '5.1', 'Not setting the attribute "package" of the "deprecated" option in "%s" is deprecated.', $file);
}
if (!isset($deprecation['version'])) {
trigger_deprecation('symfony/dependency-injection', '5.1', 'Not setting the attribute "version" of the "deprecated" option in "%s" is deprecated.', $file);
}
$alias->setDeprecated($deprecation['package'] ?? '', $deprecation['version'] ?? '', $deprecation['message'] ?? '');
}
}
return $return ? $alias : $this->container->setAlias($id, $alias);
}
if (null !== $definition) {
// no-op
} elseif ($this->isLoadingInstanceof) {
$definition = new ChildDefinition('');
} elseif (isset($service['parent'])) {
if ('' !== $service['parent'] && '@' === $service['parent'][0]) {
throw new InvalidArgumentException(sprintf('The value of the "parent" option for the "%s" service must be the id of the service without the "@" prefix (replace "%s" with "%s").', $id, $service['parent'], substr($service['parent'], 1)));
}
$definition = new ChildDefinition($service['parent']);
} else {
$definition = new Definition();
}
if (isset($defaults['public'])) {
$definition->setPublic($defaults['public']);
}
if (isset($defaults['autowire'])) {
$definition->setAutowired($defaults['autowire']);
}
if (isset($defaults['autoconfigure'])) {
$definition->setAutoconfigured($defaults['autoconfigure']);
}
$definition->setChanges([]);
if (isset($service['class'])) {
$definition->setClass($service['class']);
}
if (isset($service['shared'])) {
$definition->setShared($service['shared']);
}
if (isset($service['synthetic'])) {
$definition->setSynthetic($service['synthetic']);
}
if (isset($service['lazy'])) {
$definition->setLazy((bool) $service['lazy']);
if (\is_string($service['lazy'])) {
$definition->addTag('proxy', ['interface' => $service['lazy']]);
}
}
if (isset($service['public'])) {
$definition->setPublic($service['public']);
}
if (isset($service['abstract'])) {
$definition->setAbstract($service['abstract']);
}
if (isset($service['deprecated'])) {
$deprecation = \is_array($service['deprecated']) ? $service['deprecated'] : ['message' => $service['deprecated']];
if (!isset($deprecation['package'])) {
trigger_deprecation('symfony/dependency-injection', '5.1', 'Not setting the attribute "package" of the "deprecated" option in "%s" is deprecated.', $file);
}
if (!isset($deprecation['version'])) {
trigger_deprecation('symfony/dependency-injection', '5.1', 'Not setting the attribute "version" of the "deprecated" option in "%s" is deprecated.', $file);
}
$definition->setDeprecated($deprecation['package'] ?? '', $deprecation['version'] ?? '', $deprecation['message'] ?? '');
}
if (isset($service['factory'])) {
$definition->setFactory($this->parseCallable($service['factory'], 'factory', $id, $file));
}
if (isset($service['file'])) {
$definition->setFile($service['file']);
}
if (isset($service['arguments'])) {
$definition->setArguments($this->resolveServices($service['arguments'], $file));
}
if (isset($service['properties'])) {
$definition->setProperties($this->resolveServices($service['properties'], $file));
}
if (isset($service['configurator'])) {
$definition->setConfigurator($this->parseCallable($service['configurator'], 'configurator', $id, $file));
}
if (isset($service['calls'])) {
if (!\is_array($service['calls'])) {
throw new InvalidArgumentException(sprintf('Parameter "calls" must be an array for service "%s" in "%s". Check your YAML syntax.', $id, $file));
}
foreach ($service['calls'] as $k => $call) {
if (!\is_array($call) && (!\is_string($k) || !$call instanceof TaggedValue)) {
throw new InvalidArgumentException(sprintf('Invalid method call for service "%s": expected map or array, "%s" given in "%s".', $id, $call instanceof TaggedValue ? '!'.$call->getTag() : get_debug_type($call), $file));
}
if (\is_string($k)) {
throw new InvalidArgumentException(sprintf('Invalid method call for service "%s", did you forgot a leading dash before "%s: ..." in "%s"?', $id, $k, $file));
}
if (isset($call['method']) && \is_string($call['method'])) {
$method = $call['method'];
$args = $call['arguments'] ?? [];
$returnsClone = $call['returns_clone'] ?? false;
} else {
if (1 === \count($call) && \is_string(key($call))) {
$method = key($call);
$args = $call[$method];
if ($args instanceof TaggedValue) {
if ('returns_clone' !== $args->getTag()) {
throw new InvalidArgumentException(sprintf('Unsupported tag "!%s", did you mean "!returns_clone" for service "%s" in "%s"?', $args->getTag(), $id, $file));
}
$returnsClone = true;
$args = $args->getValue();
} else {
$returnsClone = false;
}
} elseif (empty($call[0])) {
throw new InvalidArgumentException(sprintf('Invalid call for service "%s": the method must be defined as the first index of an array or as the only key of a map in "%s".', $id, $file));
} else {
$method = $call[0];
$args = $call[1] ?? [];
$returnsClone = $call[2] ?? false;
}
}
if (!\is_array($args)) {
throw new InvalidArgumentException(sprintf('The second parameter for function call "%s" must be an array of its arguments for service "%s" in "%s". Check your YAML syntax.', $method, $id, $file));
}
$args = $this->resolveServices($args, $file);
$definition->addMethodCall($method, $args, $returnsClone);
}
}
$tags = $service['tags'] ?? [];
if (!\is_array($tags)) {
throw new InvalidArgumentException(sprintf('Parameter "tags" must be an array for service "%s" in "%s". Check your YAML syntax.', $id, $file));
}
if (isset($defaults['tags'])) {
$tags = array_merge($tags, $defaults['tags']);
}
foreach ($tags as $tag) {
if (!\is_array($tag)) {
$tag = ['name' => $tag];
}
if (1 === \count($tag) && \is_array(current($tag))) {
$name = key($tag);
$tag = current($tag);
} else {
if (!isset($tag['name'])) {
throw new InvalidArgumentException(sprintf('A "tags" entry is missing a "name" key for service "%s" in "%s".', $id, $file));
}
$name = $tag['name'];
unset($tag['name']);
}
if (!\is_string($name) || '' === $name) {
throw new InvalidArgumentException(sprintf('The tag name for service "%s" in "%s" must be a non-empty string.', $id, $file));
}
foreach ($tag as $attribute => $value) {
if (!\is_scalar($value) && null !== $value) {
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));
}
}
$definition->addTag($name, $tag);
}
if (null !== $decorates = $service['decorates'] ?? null) {
if ('' !== $decorates && '@' === $decorates[0]) {
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, $service['decorates'], substr($decorates, 1)));
}
$decorationOnInvalid = \array_key_exists('decoration_on_invalid', $service) ? $service['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;
} elseif ('null' === $decorationOnInvalid) {
throw new InvalidArgumentException(sprintf('Invalid value "%s" for attribute "decoration_on_invalid" on service "%s". Did you mean null (without quotes) in "%s"?', $decorationOnInvalid, $id, $file));
} 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, $id, $file));
}
$renameId = $service['decoration_inner_name'] ?? null;
$priority = $service['decoration_priority'] ?? 0;
$definition->setDecoratedService($decorates, $renameId, $priority, $invalidBehavior);
}
if (isset($service['autowire'])) {
$definition->setAutowired($service['autowire']);
}
if (isset($defaults['bind']) || isset($service['bind'])) {
// deep clone, to avoid multiple process of the same instance in the passes
$bindings = $definition->getBindings();
$bindings += isset($defaults['bind']) ? unserialize(serialize($defaults['bind'])) : [];
if (isset($service['bind'])) {
if (!\is_array($service['bind'])) {
throw new InvalidArgumentException(sprintf('Parameter "bind" must be an array for service "%s" in "%s". Check your YAML syntax.', $id, $file));
}
$bindings = array_merge($bindings, $this->resolveServices($service['bind'], $file));
$bindingType = $this->isLoadingInstanceof ? BoundArgument::INSTANCEOF_BINDING : BoundArgument::SERVICE_BINDING;
foreach ($bindings as $argument => $value) {
if (!$value instanceof BoundArgument) {
$bindings[$argument] = new BoundArgument($value, $trackBindings, $bindingType, $file);
}
}
}
$definition->setBindings($bindings);
}
if (isset($service['autoconfigure'])) {
$definition->setAutoconfigured($service['autoconfigure']);
}
if (\array_key_exists('namespace', $service) && !\array_key_exists('resource', $service)) {
throw new InvalidArgumentException(sprintf('A "resource" attribute must be set when the "namespace" attribute is set for service "%s" in "%s". Check your YAML syntax.', $id, $file));
}
if ($return) {
if (\array_key_exists('resource', $service)) {
throw new InvalidArgumentException(sprintf('Invalid "resource" attribute found for service "%s" in "%s". Check your YAML syntax.', $id, $file));
}
return $definition;
}
if (\array_key_exists('resource', $service)) {
if (!\is_string($service['resource'])) {
throw new InvalidArgumentException(sprintf('A "resource" attribute must be of type string for service "%s" in "%s". Check your YAML syntax.', $id, $file));
}
$exclude = $service['exclude'] ?? null;
$namespace = $service['namespace'] ?? $id;
$this->registerClasses($definition, $namespace, $service['resource'], $exclude);
} else {
$this->setDefinition($id, $definition);
}
}
/**
* Parses a callable.
*
* @param string|array $callable A callable reference
*
* @throws InvalidArgumentException When errors occur
*
* @return string|array|Reference
*/
private function parseCallable($callable, string $parameter, string $id, string $file)
{
if (\is_string($callable)) {
if ('' !== $callable && '@' === $callable[0]) {
if (!str_contains($callable, ':')) {
return [$this->resolveServices($callable, $file), '__invoke'];
}
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" in "%s").', $parameter, $id, $callable, substr($callable, 1), $file));
}
return $callable;
}
if (\is_array($callable)) {
if (isset($callable[0]) && isset($callable[1])) {
return [$this->resolveServices($callable[0], $file), $callable[1]];
}
if ('factory' === $parameter && isset($callable[1]) && null === $callable[0]) {
return $callable;
}
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));
}
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));
}
/**
* Loads a YAML file.
*
* @return array|null
*
* @throws InvalidArgumentException when the given file is not a local file or when it does not exist
*/
protected function loadFile(string $file)
{
if (!class_exists(\Symfony\Component\Yaml\Parser::class)) {
throw new RuntimeException('Unable to load YAML config files as the Symfony Yaml Component is not installed.');
}
if (!stream_is_local($file)) {
throw new InvalidArgumentException(sprintf('This is not a local file "%s".', $file));
}
if (!is_file($file)) {
throw new InvalidArgumentException(sprintf('The file "%s" does not exist.', $file));
}
if (null === $this->yamlParser) {
$this->yamlParser = new YamlParser();
}
try {
$configuration = $this->yamlParser->parseFile($file, Yaml::PARSE_CONSTANT | Yaml::PARSE_CUSTOM_TAGS);
} catch (ParseException $e) {
throw new InvalidArgumentException(sprintf('The file "%s" does not contain valid YAML: ', $file).$e->getMessage(), 0, $e);
}
return $this->validate($configuration, $file);
}
/**
* Validates a YAML file.
*
* @throws InvalidArgumentException When service file is not valid
*/
private function validate($content, string $file): ?array
{
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, ['imports', 'parameters', 'services']) || 0 === strpos($namespace, 'when@')) {
continue;
}
if (!$this->container->hasExtension($namespace)) {
$extensionNamespaces = array_filter(array_map(function (ExtensionInterface $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 $content;
}
/**
* @return mixed
*/
private function resolveServices($value, string $file, bool $isParameter = false)
{
if ($value instanceof TaggedValue) {
$argument = $value->getValue();
if ('iterator' === $value->getTag()) {
if (!\is_array($argument)) {
throw new InvalidArgumentException(sprintf('"!iterator" tag only accepts sequences in "%s".', $file));
}
$argument = $this->resolveServices($argument, $file, $isParameter);
try {
return new IteratorArgument($argument);
} catch (InvalidArgumentException $e) {
throw new InvalidArgumentException(sprintf('"!iterator" tag only accepts arrays of "@service" references in "%s".', $file));
}
}
if ('service_closure' === $value->getTag()) {
$argument = $this->resolveServices($argument, $file, $isParameter);
if (!$argument instanceof Reference) {
throw new InvalidArgumentException(sprintf('"!service_closure" tag only accepts service references in "%s".', $file));
}
return new ServiceClosureArgument($argument);
}
if ('service_locator' === $value->getTag()) {
if (!\is_array($argument)) {
throw new InvalidArgumentException(sprintf('"!service_locator" tag only accepts maps in "%s".', $file));
}
$argument = $this->resolveServices($argument, $file, $isParameter);
try {
return new ServiceLocatorArgument($argument);
} catch (InvalidArgumentException $e) {
throw new InvalidArgumentException(sprintf('"!service_locator" tag only accepts maps of "@service" references in "%s".', $file));
}
}
if (\in_array($value->getTag(), ['tagged', 'tagged_iterator', 'tagged_locator'], true)) {
$forLocator = 'tagged_locator' === $value->getTag();
if (\is_array($argument) && isset($argument['tag']) && $argument['tag']) {
if ($diff = array_diff(array_keys($argument), ['tag', 'index_by', 'default_index_method', 'default_priority_method'])) {
throw new InvalidArgumentException(sprintf('"!%s" tag contains unsupported key "%s"; supported ones are "tag", "index_by", "default_index_method", and "default_priority_method".', $value->getTag(), implode('", "', $diff)));
}
$argument = new TaggedIteratorArgument($argument['tag'], $argument['index_by'] ?? null, $argument['default_index_method'] ?? null, $forLocator, $argument['default_priority_method'] ?? null);
} elseif (\is_string($argument) && $argument) {
$argument = new TaggedIteratorArgument($argument, null, null, $forLocator);
} else {
throw new InvalidArgumentException(sprintf('"!%s" tags only accept a non empty string or an array with a key "tag" in "%s".', $value->getTag(), $file));
}
if ($forLocator) {
$argument = new ServiceLocatorArgument($argument);
}
return $argument;
}
if ('service' === $value->getTag()) {
if ($isParameter) {
throw new InvalidArgumentException(sprintf('Using an anonymous service in a parameter is not allowed in "%s".', $file));
}
$isLoadingInstanceof = $this->isLoadingInstanceof;
$this->isLoadingInstanceof = false;
$instanceof = $this->instanceof;
$this->instanceof = [];
$id = sprintf('.%d_%s', ++$this->anonymousServicesCount, preg_replace('/^.*\\\\/', '', $argument['class'] ?? '').$this->anonymousServicesSuffix);
$this->parseDefinition($id, $argument, $file, []);
if (!$this->container->hasDefinition($id)) {
throw new InvalidArgumentException(sprintf('Creating an alias using the tag "!service" is not allowed in "%s".', $file));
}
$this->container->getDefinition($id);
$this->isLoadingInstanceof = $isLoadingInstanceof;
$this->instanceof = $instanceof;
return new Reference($id);
}
if ('abstract' === $value->getTag()) {
return new AbstractArgument($value->getValue());
}
throw new InvalidArgumentException(sprintf('Unsupported tag "!%s".', $value->getTag()));
}
if (\is_array($value)) {
foreach ($value as $k => $v) {
$value[$k] = $this->resolveServices($v, $file, $isParameter);
}
} elseif (\is_string($value) && str_starts_with($value, '@=')) {
if ($isParameter) {
throw new InvalidArgumentException(sprintf('Using expressions in parameters is not allowed in "%s".', $file));
}
if (!class_exists(Expression::class)) {
throw new \LogicException('The "@=" expression syntax cannot be used without the ExpressionLanguage component. Try running "composer require symfony/expression-language".');
}
return new Expression(substr($value, 2));
} elseif (\is_string($value) && str_starts_with($value, '@')) {
if (str_starts_with($value, '@@')) {
$value = substr($value, 1);
$invalidBehavior = null;
} elseif (str_starts_with($value, '@!')) {
$value = substr($value, 2);
$invalidBehavior = ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE;
} elseif (str_starts_with($value, '@?')) {
$value = substr($value, 2);
$invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
} else {
$value = substr($value, 1);
$invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;
}
if (null !== $invalidBehavior) {
$value = new Reference($value, $invalidBehavior);
}
}
return $value;
}
private function loadFromExtensions(array $content)
{
foreach ($content as $namespace => $values) {
if (\in_array($namespace, ['imports', 'parameters', 'services']) || 0 === strpos($namespace, 'when@')) {
continue;
}
if (!\is_array($values) && null !== $values) {
$values = [];
}
$this->container->loadFromExtension($namespace, $values);
}
}
private function checkDefinition(string $id, array $definition, string $file)
{
if ($this->isLoadingInstanceof) {
$keywords = self::INSTANCEOF_KEYWORDS;
} elseif (isset($definition['resource']) || isset($definition['namespace'])) {
$keywords = self::PROTOTYPE_KEYWORDS;
} else {
$keywords = self::SERVICE_KEYWORDS;
}
foreach ($definition as $key => $value) {
if (!isset($keywords[$key])) {
throw new InvalidArgumentException(sprintf('The configuration key "%s" is unsupported for definition "%s" in "%s". Allowed configuration keys are "%s".', $key, $id, $file, implode('", "', $keywords)));
}
}
}
}