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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of PHP Invoker. |
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* |
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* PHP version 7.1 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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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 DivineNii\Invoker; |
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use DivineNii\Invoker\ArgumentResolver\ClassValueResolver; |
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use DivineNii\Invoker\ArgumentResolver\DefaultValueResolver; |
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use DivineNii\Invoker\ArgumentResolver\NamedValueResolver; |
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use DivineNii\Invoker\ArgumentResolver\TypeHintValueResolver; |
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use DivineNii\Invoker\Interfaces\ArgumentValueResolverInterface; |
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use DivineNii\Invoker\Interfaces\ArgumentResolverInterface; |
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use Psr\Container\ContainerInterface; |
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use ReflectionFunctionAbstract; |
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class ArgumentResolver implements ArgumentResolverInterface |
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{ |
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/** @var ArgumentValueResolverInterface[] */ |
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private $argumentValueResolvers; |
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/** @var null|ContainerInterface */ |
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private static $container; |
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/** |
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* @param iterable<ArgumentValueResolverInterface> $argumentValueResolvers |
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* @param null|ContainerInterface $container |
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*/ |
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public function __construct(iterable $argumentValueResolvers = [], ?ContainerInterface $container = null) |
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{ |
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self::$container = $container; |
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$this->argumentValueResolvers = $argumentValueResolvers ?: self::getDefaultArgumentValueResolvers(); |
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} |
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/** |
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* Push a parameter resolver after the ones already registered. |
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* |
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* @param ArgumentValueResolverInterface $resolvers |
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*/ |
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public function appendResolver(ArgumentValueResolverInterface ...$resolvers): void |
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{ |
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foreach ($resolvers as $resolver) { |
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$this->argumentValueResolvers[] = $resolver; |
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} |
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} |
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/** |
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* Insert a parameter resolver before the ones already registered. |
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* |
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* @param ArgumentValueResolverInterface $resolvers |
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*/ |
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public function prependResolver(ArgumentValueResolverInterface ...$resolvers): void |
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{ |
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\array_unshift($this->argumentValueResolvers, ...$resolvers); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getParameters(ReflectionFunctionAbstract $reflection, array $providedParameters = []): array |
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{ |
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$resolvedParameters = []; |
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$reflectionParameters = $reflection->getParameters(); |
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foreach ($reflectionParameters as $parameter) { |
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$position = $parameter->getPosition(); |
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/** |
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* Simply returns all the values of the $providedParameters array that are |
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* indexed by the parameter position (i.e. a number). |
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* E.g. `->call($callable, ['foo', 'bar'])` will simply resolve the parameters |
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* to `['foo', 'bar']`. |
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* Parameters that are not indexed by a number (i.e. parameter position) |
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* will be ignored. |
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*/ |
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if (isset($providedParameters[$position])) { |
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$providedParameters[$parameter->name] = $providedParameters[$position]; |
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unset($providedParameters[$position]); |
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} |
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foreach ($this->argumentValueResolvers as $resolver) { |
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if (null !== $resolved = $resolver->resolve($parameter, $providedParameters)) { |
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$resolvedParameters[$position] = DefaultValueResolver::class !== $resolved ? $resolved : null; |
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} |
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if (empty(\array_diff_key($reflectionParameters, $resolvedParameters))) { |
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// Stop traversing: all parameters are resolved |
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return $resolvedParameters; |
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} |
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// continue to the next callable argument |
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continue 1; |
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} |
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} |
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return $resolvedParameters; |
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} |
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/** |
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* @return iterable<ArgumentValueResolverInterface> |
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*/ |
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public static function getDefaultArgumentValueResolvers(): iterable |
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{ |
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return [ |
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new TypeHintValueResolver(self::$container), |
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new ClassValueResolver(self::$container), |
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new NamedValueResolver(self::$container), |
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new DefaultValueResolver(), |
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]; |
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} |
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} |
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divineniiquaye /
php-invoker
Our type inference engine has found a suspicous assignment of a value to a property. This check raises an issue when a value that can be of a mixed type is assigned to a property that is type hinted more strictly.
For example, imagine you have a variable
$accountIdthat can either hold an Id object or false (if there is no account id yet). Your code now assigns that value to theidproperty of an instance of theAccountclass. This class holds a proper account, so the id value must no longer be false.Either this assignment is in error or a type check should be added for that assignment.