<?php
declare (strict_types=1);
namespace ElementorDeps\DI\Definition;
use ElementorDeps\DI\DependencyException;
use ElementorDeps\Psr\Container\ContainerInterface;
use ElementorDeps\Psr\Container\NotFoundExceptionInterface;
/**
* Definition of a string composed of other strings.
*
* @since 5.0
* @author Matthieu Napoli <matthieu@mnapoli.fr>
*/
class StringDefinition implements Definition, SelfResolvingDefinition
{
/**
* Entry name.
* @var string
*/
private $name = '';
/**
* @var string
*/
private $expression;
public function __construct(string $expression)
{
$this->expression = $expression;
}
public function getName() : string
{
return $this->name;
}
public function setName(string $name)
{
$this->name = $name;
}
public function getExpression() : string
{
return $this->expression;
}
public function resolve(ContainerInterface $container) : string
{
return self::resolveExpression($this->name, $this->expression, $container);
}
public function isResolvable(ContainerInterface $container) : bool
{
return \true;
}
public function replaceNestedDefinitions(callable $replacer)
{
// no nested definitions
}
public function __toString()
{
return $this->expression;
}
/**
* Resolve a string expression.
*/
public static function resolveExpression(string $entryName, string $expression, ContainerInterface $container) : string
{
$callback = function (array $matches) use($entryName, $container) {
try {
return $container->get($matches[1]);
} catch (NotFoundExceptionInterface $e) {
throw new DependencyException(\sprintf("Error while parsing string expression for entry '%s': %s", $entryName, $e->getMessage()), 0, $e);
}
};
$result = \preg_replace_callback('#\\{([^\\{\\}]+)\\}#', $callback, $expression);
if ($result === null) {
throw new \RuntimeException(\sprintf('An unknown error occurred while parsing the string definition: \'%s\'', $expression));
}
return $result;
}
}