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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\DependencyInjection;
- use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
- use Symfony\Component\DependencyInjection\Exception\OutOfBoundsException;
- /**
- * This definition extends another definition.
- *
- * @author Johannes M. Schmitt <schmittjoh@gmail.com>
- */
- class ChildDefinition extends Definition
- {
- private $parent;
- /**
- * @param string $parent The id of Definition instance to decorate
- */
- public function __construct(string $parent)
- {
- $this->parent = $parent;
- }
- /**
- * Returns the Definition to inherit from.
- *
- * @return string
- */
- public function getParent()
- {
- return $this->parent;
- }
- /**
- * Sets the Definition to inherit from.
- *
- * @param string $parent
- *
- * @return $this
- */
- public function setParent($parent)
- {
- $this->parent = $parent;
- return $this;
- }
- /**
- * Gets an argument to pass to the service constructor/factory method.
- *
- * If replaceArgument() has been used to replace an argument, this method
- * will return the replacement value.
- *
- * @param int|string $index
- *
- * @return mixed The argument value
- *
- * @throws OutOfBoundsException When the argument does not exist
- */
- public function getArgument($index)
- {
- if (\array_key_exists('index_'.$index, $this->arguments)) {
- return $this->arguments['index_'.$index];
- }
- return parent::getArgument($index);
- }
- /**
- * You should always use this method when overwriting existing arguments
- * of the parent definition.
- *
- * If you directly call setArguments() keep in mind that you must follow
- * certain conventions when you want to overwrite the arguments of the
- * parent definition, otherwise your arguments will only be appended.
- *
- * @param int|string $index
- * @param mixed $value
- *
- * @return $this
- *
- * @throws InvalidArgumentException when $index isn't an integer
- */
- public function replaceArgument($index, $value)
- {
- if (\is_int($index)) {
- $this->arguments['index_'.$index] = $value;
- } elseif (0 === strpos($index, '$')) {
- $this->arguments[$index] = $value;
- } else {
- throw new InvalidArgumentException('The argument must be an existing index or the name of a constructor\'s parameter.');
- }
- return $this;
- }
- }
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