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