vendor/symfony/config/Definition/Builder/MergeBuilder.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\Config\Definition\Builder;
  13
  14 /**
  15  * This class builds merge conditions.
  16  *
  17  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  18  */
  19 class MergeBuilder
  20 {
  21     protected $node;
  22     public $allowFalse = false;
  23     public $allowOverwrite = true;
  24
  25     public function __construct(NodeDefinition $node)
  26     {
  27         $this->node = $node;
  28     }
  29
  30     /**
  31      * Sets whether the node can be unset.
  32      *
  33      * @param bool $allow
  34      *
  35      * @return $this
  36      */
  37     public function allowUnset($allow = true)
  38     {
  39         $this->allowFalse = $allow;
  40
  41         return $this;
  42     }
  43
  44     /**
  45      * Sets whether the node can be overwritten.
  46      *
  47      * @param bool $deny Whether the overwriting is forbidden or not
  48      *
  49      * @return $this
  50      */
  51     public function denyOverwrite($deny = true)
  52     {
  53         $this->allowOverwrite = !$deny;
  54
  55         return $this;
  56     }
  57
  58     /**
  59      * Returns the related node.
  60      *
  61      * @return NodeDefinition|ArrayNodeDefinition|VariableNodeDefinition
  62      */
  63     public function end()
  64     {
  65         return $this->node;
  66     }
  67 }