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   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\db\migration\tool;
  15  
  16  /**
  17  * Migration config_text tool
  18  */
  19  class config_text implements \phpbb\db\migration\tool\tool_interface
  20  {
  21      /** @var \phpbb\config\db_text */
  22      protected $config_text;
  23  
  24      /**
  25      * Constructor
  26      *
  27      * @param \phpbb\config\db_text $config_text
  28      */
  29  	public function __construct(\phpbb\config\db_text $config_text)
  30      {
  31          $this->config_text = $config_text;
  32      }
  33  
  34      /**
  35      * {@inheritdoc}
  36      */
  37  	public function get_name()
  38      {
  39          return 'config_text';
  40      }
  41  
  42      /**
  43      * Add a config_text setting.
  44      *
  45      * @param string $config_name The name of the config_text setting
  46      *     you would like to add
  47      * @param mixed $config_value The value of the config_text setting
  48      * @return null
  49      */
  50  	public function add($config_name, $config_value)
  51      {
  52          if (!is_null($this->config_text->get($config_name)))
  53          {
  54              return;
  55          }
  56  
  57          $this->config_text->set($config_name, $config_value);
  58      }
  59  
  60      /**
  61      * Update an existing config_text setting.
  62      *
  63      * @param string $config_name The name of the config_text setting you would
  64      *     like to update
  65      * @param mixed $config_value The value of the config_text setting
  66      * @return null
  67      * @throws \phpbb\db\migration\exception
  68      */
  69  	public function update($config_name, $config_value)
  70      {
  71          if (is_null($this->config_text->get($config_name)))
  72          {
  73              throw new \phpbb\db\migration\exception('CONFIG_NOT_EXIST', $config_name);
  74          }
  75  
  76          $this->config_text->set($config_name, $config_value);
  77      }
  78  
  79      /**
  80      * Remove an existing config_text setting.
  81      *
  82      * @param string $config_name The name of the config_text setting you would
  83      *     like to remove
  84      * @return null
  85      */
  86  	public function remove($config_name)
  87      {
  88          if (is_null($this->config_text->get($config_name)))
  89          {
  90              return;
  91          }
  92  
  93          $this->config_text->delete($config_name);
  94      }
  95  
  96      /**
  97      * {@inheritdoc}
  98      */
  99  	public function reverse()
 100      {
 101          $arguments = func_get_args();
 102          $original_call = array_shift($arguments);
 103  
 104          $call = false;
 105          switch ($original_call)
 106          {
 107              case 'add':
 108                  $call = 'remove';
 109              break;
 110  
 111              case 'remove':
 112                  $call = 'add';
 113                  if (sizeof($arguments) == 1)
 114                  {
 115                      $arguments[] = '';
 116                  }
 117              break;
 118  
 119              case 'reverse':
 120                  // Reversing a reverse is just the call itself
 121                  $call = array_shift($arguments);
 122              break;
 123          }
 124  
 125          if ($call)
 126          {
 127              return call_user_func_array(array(&$this, $call), $arguments);
 128          }
 129      }
 130  }