vendor/symfony/config/Definition/NodeInterface.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;
  13
  14 use Symfony\Component\Config\Definition\Exception\ForbiddenOverwriteException;
  15 use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
  16 use Symfony\Component\Config\Definition\Exception\InvalidTypeException;
  17
  18 /**
  19  * Common Interface among all nodes.
  20  *
  21  * In most cases, it is better to inherit from BaseNode instead of implementing
  22  * this interface yourself.
  23  *
  24  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  25  */
  26 interface NodeInterface
  27 {
  28     /**
  29      * Returns the name of the node.
  30      *
  31      * @return string The name of the node
  32      */
  33     public function getName();
  34
  35     /**
  36      * Returns the path of the node.
  37      *
  38      * @return string The node path
  39      */
  40     public function getPath();
  41
  42     /**
  43      * Returns true when the node is required.
  44      *
  45      * @return bool If the node is required
  46      */
  47     public function isRequired();
  48
  49     /**
  50      * Returns true when the node has a default value.
  51      *
  52      * @return bool If the node has a default value
  53      */
  54     public function hasDefaultValue();
  55
  56     /**
  57      * Returns the default value of the node.
  58      *
  59      * @return mixed The default value
  60      *
  61      * @throws \RuntimeException if the node has no default value
  62      */
  63     public function getDefaultValue();
  64
  65     /**
  66      * Normalizes a value.
  67      *
  68      * @param mixed $value The value to normalize
  69      *
  70      * @return mixed The normalized value
  71      *
  72      * @throws InvalidTypeException if the value type is invalid
  73      */
  74     public function normalize($value);
  75
  76     /**
  77      * Merges two values together.
  78      *
  79      * @param mixed $leftSide
  80      * @param mixed $rightSide
  81      *
  82      * @return mixed The merged value
  83      *
  84      * @throws ForbiddenOverwriteException if the configuration path cannot be overwritten
  85      * @throws InvalidTypeException        if the value type is invalid
  86      */
  87     public function merge($leftSide, $rightSide);
  88
  89     /**
  90      * Finalizes a value.
  91      *
  92      * @param mixed $value The value to finalize
  93      *
  94      * @return mixed The finalized value
  95      *
  96      * @throws InvalidTypeException          if the value type is invalid
  97      * @throws InvalidConfigurationException if the value is invalid configuration
  98      */
  99     public function finalize($value);
 100 }