<?php
/**
* DiAutoTrait.php
*
* Di auto wiring.
*
* @package jaxon-core
* @author Thierry Feuzeu <thierry.feuzeu@gmail.com>
* @copyright 2025 Thierry Feuzeu <thierry.feuzeu@gmail.com>
* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link https://github.com/jaxon-php/jaxon-core
*/
namespace Jaxon\Di\Traits;
use Jaxon\Di\Container;
use Jaxon\Exception\SetupException;
use ReflectionClass;
use ReflectionException;
use function array_map;
use function is_string;
trait DiAutoTrait
{
/**
* The container for parameters
*
* @return Container
*/
abstract protected function cn(): Container;
/**
* Create an instance of a class, getting the constructor parameters from the DI container
*
* @param class-string|ReflectionClass $xClass The class name or the reflection class
*
* @return object|null
* @throws ReflectionException
* @throws SetupException
*/
public function make(string|ReflectionClass $xClass): mixed
{
if(is_string($xClass))
{
// Create the reflection class instance
$xClass = new ReflectionClass($xClass);
}
// Use the Reflection class to get the parameters of the constructor
if(($constructor = $xClass->getConstructor()) === null)
{
return $xClass->newInstance();
}
$aParameters = array_map(function($xParameter) use($xClass) {
return $this->cn()->getParameter($xClass, $xParameter);
}, $constructor->getParameters());
return $xClass->newInstanceArgs($aParameters);
}
/**
* Create an instance of a class by automatically fetching the dependencies in the constructor.
*
* @param class-string $sClass The class name
*
* @return void
*/
public function auto(string $sClass): void
{
$this->set($sClass, function() use ($sClass) {
return $this->make($sClass);
});
}
}
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