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<?php |
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/** |
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* DiAutoTrait.php |
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* |
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* Di auto wiring. |
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* |
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* @package jaxon-core |
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* @author Thierry Feuzeu <[email protected]> |
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* @copyright 2025 Thierry Feuzeu <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License |
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* @link https://github.com/jaxon-php/jaxon-core |
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*/ |
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namespace Jaxon\Di\Traits; |
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use Jaxon\Di\Container; |
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use Jaxon\Exception\SetupException; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionNamedType; |
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use ReflectionParameter; |
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use function array_map; |
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use function is_string; |
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trait DiAutoTrait |
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{ |
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/** |
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* The container for parameters |
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* |
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* @return Container |
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*/ |
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abstract protected function cn(): Container; |
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/** |
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* @param ReflectionClass $xClass |
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* @param ReflectionParameter $xParameter |
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* |
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* @return mixed |
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* @throws SetupException |
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*/ |
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private function getParameter(ReflectionClass $xClass, ReflectionParameter $xParameter) |
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{ |
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$xType = $xParameter->getType(); |
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$sParameterName = '$' . $xParameter->getName(); |
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// Check the parameter class first. |
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if($xType instanceof ReflectionNamedType) |
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{ |
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$sParameterType = $xType->getName(); |
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// The class + the name |
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if($this->cn()->has("$sParameterType $sParameterName")) |
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{ |
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return $this->cn()->get("$sParameterType $sParameterName"); |
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} |
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// The class only |
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if($this->cn()->has($sParameterType)) |
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{ |
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return $this->cn()->get($sParameterType); |
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} |
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} |
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// Check the name only |
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return $this->cn()->get($sParameterName); |
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} |
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/** |
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* Create an instance of a class, getting the constructor parameters from the DI container |
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* |
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* @param class-string|ReflectionClass $xClass The class name or the reflection class |
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* |
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* @return object|null |
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* @throws ReflectionException |
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* @throws SetupException |
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*/ |
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public function make(string|ReflectionClass $xClass): mixed |
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{ |
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if(is_string($xClass)) |
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{ |
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// Create the reflection class instance |
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$xClass = new ReflectionClass($xClass); |
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} |
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// Use the Reflection class to get the parameters of the constructor |
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if(($constructor = $xClass->getConstructor()) === null) |
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{ |
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return $xClass->newInstance(); |
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} |
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$aParameters = array_map(fn($xParameter) => |
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$this->getParameter($xClass, $xParameter), $constructor->getParameters()); |
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return $xClass->newInstanceArgs($aParameters); |
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} |
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/** |
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* Create an instance of a class by automatically fetching the dependencies in the constructor. |
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* |
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* @param class-string $sClass The class name |
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* |
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* @return void |
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*/ |
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public function auto(string $sClass): void |
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{ |
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$this->set($sClass, fn() => $this->make($sClass)); |
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} |
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} |
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jaxon-php /
jaxon-mono
Loading history...
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.