[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  /*
   4  * @package   s9e\TextFormatter
   5  * @copyright Copyright (c) 2010-2019 The s9e Authors
   6  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
   7  */
   8  namespace s9e\TextFormatter\Configurator\Items\AttributeFilters;
   9  use InvalidArgumentException;
  10  use RuntimeException;
  11  use s9e\TextFormatter\Configurator\Helpers\ContextSafeness;
  12  use s9e\TextFormatter\Configurator\Helpers\RegexpBuilder;
  13  use s9e\TextFormatter\Configurator\Items\AttributeFilter;
  14  use s9e\TextFormatter\Configurator\Items\Regexp;
  15  class MapFilter extends AttributeFilter
  16  {
  17  	public function __construct(array $map = \null, $caseSensitive = \false, $strict = \false)
  18      {
  19          parent::__construct('s9e\\TextFormatter\\Parser\\AttributeFilters\\MapFilter::filter');
  20          $this->resetParameters();
  21          $this->addParameterByName('attrValue');
  22          $this->addParameterByName('map');
  23          $this->setJS('MapFilter.filter');
  24          if (isset($map))
  25              $this->setMap($map, $caseSensitive, $strict);
  26      }
  27  	public function asConfig()
  28      {
  29          if (!isset($this->vars['map']))
  30              throw new RuntimeException("Map filter is missing a 'map' value");
  31          return parent::asConfig();
  32      }
  33  	public function setMap(array $map, $caseSensitive = \false, $strict = \false)
  34      {
  35          if (!\is_bool($caseSensitive))
  36              throw new InvalidArgumentException('Argument 2 passed to ' . __METHOD__ . ' must be a boolean');
  37          if (!\is_bool($strict))
  38              throw new InvalidArgumentException('Argument 3 passed to ' . __METHOD__ . ' must be a boolean');
  39          $this->resetSafeness();
  40          if ($strict)
  41              $this->assessSafeness($map);
  42          $valueKeys = [];
  43          foreach ($map as $key => $value)
  44              $valueKeys[$value][] = $key;
  45          $map = [];
  46          foreach ($valueKeys as $value => $keys)
  47          {
  48              $regexp = RegexpBuilder::fromList(
  49                  $keys,
  50                  [
  51                      'delimiter'       => '/',
  52                      'caseInsensitive' => !$caseSensitive
  53                  ]
  54              );
  55              $regexp = '/^' . $regexp . '$/D';
  56              if (!$caseSensitive)
  57                  $regexp .= 'i';
  58              if (!\preg_match('#^[[:ascii:]]*$#D', $regexp))
  59                  $regexp .= 'u';
  60              $map[] = [new Regexp($regexp), $value];
  61          }
  62          if ($strict)
  63              $map[] = [new Regexp('//'), \false];
  64          $this->vars['map'] = $map;
  65      }
  66  	protected function assessSafeness(array $map)
  67      {
  68          $values = \implode('', $map);
  69          $isSafeInCSS = \true;
  70          foreach (ContextSafeness::getDisallowedCharactersInCSS() as $char)
  71              if (\strpos($values, $char) !== \false)
  72              {
  73                  $isSafeInCSS = \false;
  74                  break;
  75              }
  76          if ($isSafeInCSS)
  77              $this->markAsSafeInCSS();
  78          $isSafeInJS = \true;
  79          foreach (ContextSafeness::getDisallowedCharactersInJS() as $char)
  80              if (\strpos($values, $char) !== \false)
  81              {
  82                  $isSafeInJS = \false;
  83                  break;
  84              }
  85          if ($isSafeInJS)
  86              $this->markAsSafeInJS();
  87      }
  88  }