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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bundle\FrameworkBundle\Console\Descriptor;
use Symfony\Component\Config\Resource\ClassExistenceResource;
use Symfony\Component\Console\Descriptor\DescriptorInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\DependencyInjection\Alias;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;
/**
* @author Jean-François Simon <[email protected]>
*
* @internal
*/
abstract class Descriptor implements DescriptorInterface
{
/**
* @var OutputInterface
*/
protected $output;
/**
* {@inheritdoc}
*/
public function describe(OutputInterface $output, $object, array $options = [])
{
$this->output = $output;
switch (true) {
case $object instanceof RouteCollection:
$this->describeRouteCollection($object, $options);
break;
case $object instanceof Route:
$this->describeRoute($object, $options);
break;
case $object instanceof ParameterBag:
$this->describeContainerParameters($object, $options);
break;
case $object instanceof ContainerBuilder && !empty($options['env-vars']):
$this->describeContainerEnvVars($this->getContainerEnvVars($object), $options);
break;
case $object instanceof ContainerBuilder && isset($options['group_by']) && 'tags' === $options['group_by']:
$this->describeContainerTags($object, $options);
break;
case $object instanceof ContainerBuilder && isset($options['id']):
$this->describeContainerService($this->resolveServiceDefinition($object, $options['id']), $options, $object);
break;
case $object instanceof ContainerBuilder && isset($options['parameter']):
$this->describeContainerParameter($object->resolveEnvPlaceholders($object->getParameter($options['parameter'])), $options);
break;
case $object instanceof ContainerBuilder && isset($options['deprecations']):
$this->describeContainerDeprecations($object, $options);
break;
case $object instanceof ContainerBuilder:
$this->describeContainerServices($object, $options);
break;
case $object instanceof Definition:
$this->describeContainerDefinition($object, $options);
break;
case $object instanceof Alias:
$this->describeContainerAlias($object, $options);
break;
case $object instanceof EventDispatcherInterface:
$this->describeEventDispatcherListeners($object, $options);
break;
case \is_callable($object):
$this->describeCallable($object, $options);
break;
default:
throw new \InvalidArgumentException(sprintf('Object of type "%s" is not describable.', get_debug_type($object)));
}
}
protected function getOutput(): OutputInterface
{
return $this->output;
}
protected function write(string $content, bool $decorated = false)
{
$this->output->write($content, false, $decorated ? OutputInterface::OUTPUT_NORMAL : OutputInterface::OUTPUT_RAW);
}
abstract protected function describeRouteCollection(RouteCollection $routes, array $options = []);
abstract protected function describeRoute(Route $route, array $options = []);
abstract protected function describeContainerParameters(ParameterBag $parameters, array $options = []);
abstract protected function describeContainerTags(ContainerBuilder $builder, array $options = []);
/**
* Describes a container service by its name.
*
* Common options are:
* * name: name of described service
*
* @param Definition|Alias|object $service
*/
abstract protected function describeContainerService(object $service, array $options = [], ?ContainerBuilder $builder = null);
/**
* Describes container services.
*
* Common options are:
* * tag: filters described services by given tag
*/
abstract protected function describeContainerServices(ContainerBuilder $builder, array $options = []);
abstract protected function describeContainerDeprecations(ContainerBuilder $builder, array $options = []): void;
abstract protected function describeContainerDefinition(Definition $definition, array $options = []);
abstract protected function describeContainerAlias(Alias $alias, array $options = [], ?ContainerBuilder $builder = null);
abstract protected function describeContainerParameter($parameter, array $options = []);
abstract protected function describeContainerEnvVars(array $envs, array $options = []);
/**
* Describes event dispatcher listeners.
*
* Common options are:
* * name: name of listened event
*/
abstract protected function describeEventDispatcherListeners(EventDispatcherInterface $eventDispatcher, array $options = []);
/**
* Describes a callable.
*
* @param mixed $callable
*/
abstract protected function describeCallable($callable, array $options = []);
/**
* Formats a value as string.
*
* @param mixed $value
*/
protected function formatValue($value): string
{
if ($value instanceof \UnitEnum) {
return ltrim(var_export($value, true), '\\');
}
if (\is_object($value)) {
return sprintf('object(%s)', \get_class($value));
}
if (\is_string($value)) {
return $value;
}
return preg_replace("/\n\s*/s", '', var_export($value, true));
}
/**
* Formats a parameter.
*
* @param mixed $value
*/
protected function formatParameter($value): string
{
if ($value instanceof \UnitEnum) {
return ltrim(var_export($value, true), '\\');
}
// Recursively search for enum values, so we can replace it
// before json_encode (which will not display anything for \UnitEnum otherwise)
if (\is_array($value)) {
array_walk_recursive($value, static function (&$value) {
if ($value instanceof \UnitEnum) {
$value = ltrim(var_export($value, true), '\\');
}
});
}
if (\is_bool($value) || \is_array($value) || (null === $value)) {
$jsonString = json_encode($value);
if (preg_match('/^(.{60})./us', $jsonString, $matches)) {
return $matches[1].'...';
}
return $jsonString;
}
return (string) $value;
}
/**
* @return mixed
*/
protected function resolveServiceDefinition(ContainerBuilder $builder, string $serviceId)
{
if ($builder->hasDefinition($serviceId)) {
return $builder->getDefinition($serviceId);
}
// Some service IDs don't have a Definition, they're aliases
if ($builder->hasAlias($serviceId)) {
return $builder->getAlias($serviceId);
}
if ('service_container' === $serviceId) {
return (new Definition(ContainerInterface::class))->setPublic(true)->setSynthetic(true);
}
// the service has been injected in some special way, just return the service
return $builder->get($serviceId);
}
protected function findDefinitionsByTag(ContainerBuilder $builder, bool $showHidden): array
{
$definitions = [];
$tags = $builder->findTags();
asort($tags);
foreach ($tags as $tag) {
foreach ($builder->findTaggedServiceIds($tag) as $serviceId => $attributes) {
$definition = $this->resolveServiceDefinition($builder, $serviceId);
if ($showHidden xor '.' === ($serviceId[0] ?? null)) {
continue;
}
if (!isset($definitions[$tag])) {
$definitions[$tag] = [];
}
$definitions[$tag][$serviceId] = $definition;
}
}
return $definitions;
}
protected function sortParameters(ParameterBag $parameters)
{
$parameters = $parameters->all();
ksort($parameters);
return $parameters;
}
protected function sortServiceIds(array $serviceIds)
{
asort($serviceIds);
return $serviceIds;
}
protected function sortTaggedServicesByPriority(array $services): array
{
$maxPriority = [];
foreach ($services as $service => $tags) {
$maxPriority[$service] = \PHP_INT_MIN;
foreach ($tags as $tag) {
$currentPriority = $tag['priority'] ?? 0;
if ($maxPriority[$service] < $currentPriority) {
$maxPriority[$service] = $currentPriority;
}
}
}
uasort($maxPriority, function ($a, $b) {
return $b <=> $a;
});
return array_keys($maxPriority);
}
protected function sortTagsByPriority(array $tags): array
{
$sortedTags = [];
foreach ($tags as $tagName => $tag) {
$sortedTags[$tagName] = $this->sortByPriority($tag);
}
return $sortedTags;
}
protected function sortByPriority(array $tag): array
{
usort($tag, function ($a, $b) {
return ($b['priority'] ?? 0) <=> ($a['priority'] ?? 0);
});
return $tag;
}
public static function getClassDescription(string $class, ?string &$resolvedClass = null): string
{
$resolvedClass = $class;
try {
$resource = new ClassExistenceResource($class, false);
// isFresh() will explode ONLY if a parent class/trait does not exist
$resource->isFresh(0);
$r = new \ReflectionClass($class);
$resolvedClass = $r->name;
if ($docComment = $r->getDocComment()) {
$docComment = preg_split('#\n\s*\*\s*[\n@]#', substr($docComment, 3, -2), 2)[0];
return trim(preg_replace('#\s*\n\s*\*\s*#', ' ', $docComment));
}
} catch (\ReflectionException $e) {
}
return '';
}
private function getContainerEnvVars(ContainerBuilder $container): array
{
if (!$container->hasParameter('debug.container.dump')) {
return [];
}
if (!is_file($container->getParameter('debug.container.dump'))) {
return [];
}
$file = file_get_contents($container->getParameter('debug.container.dump'));
preg_match_all('{%env\(((?:\w++:)*+\w++)\)%}', $file, $envVars);
$envVars = array_unique($envVars[1]);
$bag = $container->getParameterBag();
$getDefaultParameter = function (string $name) {
return parent::get($name);
};
$getDefaultParameter = $getDefaultParameter->bindTo($bag, \get_class($bag));
$getEnvReflection = new \ReflectionMethod($container, 'getEnv');
$getEnvReflection->setAccessible(true);
$envs = [];
foreach ($envVars as $env) {
$processor = 'string';
if (false !== $i = strrpos($name = $env, ':')) {
$name = substr($env, $i + 1);
$processor = substr($env, 0, $i);
}
$defaultValue = ($hasDefault = $container->hasParameter("env($name)")) ? $getDefaultParameter("env($name)") : null;
if (false === ($runtimeValue = $_ENV[$name] ?? $_SERVER[$name] ?? getenv($name))) {
$runtimeValue = null;
}
$processedValue = ($hasRuntime = null !== $runtimeValue) || $hasDefault ? $getEnvReflection->invoke($container, $env) : null;
$envs["$name$processor"] = [
'name' => $name,
'processor' => $processor,
'default_available' => $hasDefault,
'default_value' => $defaultValue,
'runtime_available' => $hasRuntime,
'runtime_value' => $runtimeValue,
'processed_value' => $processedValue,
];
}
ksort($envs);
return array_values($envs);
}
}