<?php
declare (strict_types=1);
namespace ElementorDeps\DI\Definition\Source;
/**
* Reads DI definitions from a file returning a PHP array.
*
* @author Matthieu Napoli <matthieu@mnapoli.fr>
*/
class DefinitionFile extends DefinitionArray
{
/**
* @var bool
*/
private $initialized = \false;
/**
* File containing definitions, or null if the definitions are given as a PHP array.
* @var string|null
*/
private $file;
/**
* @param string $file File in which the definitions are returned as an array.
*/
public function __construct($file, Autowiring $autowiring = null)
{
// Lazy-loading to improve performances
$this->file = $file;
parent::__construct([], $autowiring);
}
public function getDefinition(string $name)
{
$this->initialize();
return parent::getDefinition($name);
}
public function getDefinitions() : array
{
$this->initialize();
return parent::getDefinitions();
}
/**
* Lazy-loading of the definitions.
*/
private function initialize()
{
if ($this->initialized === \true) {
return;
}
$definitions = (require $this->file);
if (!\is_array($definitions)) {
throw new \Exception("File {$this->file} should return an array of definitions");
}
$this->addDefinitions($definitions);
$this->initialized = \true;
}
}