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