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   1  <?php
   2  
   3  /**
   4  * @package   s9e\TextFormatter
   5  * @copyright Copyright (c) 2010-2022 The s9e authors
   6  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
   7  */
   8  namespace s9e\TextFormatter\Configurator\RulesGenerators;
   9  
  10  use s9e\TextFormatter\Configurator\Helpers\TemplateInspector;
  11  use s9e\TextFormatter\Configurator\RulesGenerators\Interfaces\BooleanRulesGenerator;
  12  use s9e\TextFormatter\Configurator\RulesGenerators\Interfaces\TargetedRulesGenerator;
  13  
  14  class EnforceContentModels implements BooleanRulesGenerator, TargetedRulesGenerator
  15  {
  16      /**
  17      * @var TemplateInspector
  18      */
  19      protected $br;
  20  
  21      /**
  22      * @var TemplateInspector
  23      */
  24      protected $p;
  25  
  26      /**
  27      * @var TemplateInspector
  28      */
  29      protected $span;
  30  
  31      /**
  32      * Constructor
  33      *
  34      * Prepares the TemplateInspector for <br/> and <span>
  35      */
  36  	public function __construct()
  37      {
  38          $this->br   = new TemplateInspector('<br/>');
  39          $this->p    = new TemplateInspector('<p><xsl:apply-templates/></p>');
  40          $this->span = new TemplateInspector('<span><xsl:apply-templates/></span>');
  41      }
  42  
  43      /**
  44      * {@inheritdoc}
  45      */
  46  	public function generateBooleanRules(TemplateInspector $src)
  47      {
  48          $rules = [];
  49          if ($src->isTransparent())
  50          {
  51              $rules['isTransparent'] = true;
  52          }
  53          if (!$src->allowsChild($this->br))
  54          {
  55              $rules['preventLineBreaks'] = true;
  56              $rules['suspendAutoLineBreaks'] = true;
  57          }
  58          if (!$src->allowsDescendant($this->br))
  59          {
  60              $rules['disableAutoLineBreaks'] = true;
  61              $rules['preventLineBreaks'] = true;
  62          }
  63          if ($src->closesParent($this->p))
  64          {
  65              $rules['breakParagraph'] = true;
  66          }
  67  
  68          return $rules;
  69      }
  70  
  71      /**
  72      * {@inheritdoc}
  73      */
  74  	public function generateTargetedRules(TemplateInspector $src, TemplateInspector $trg)
  75      {
  76          $rules = [];
  77          if ($src->allowsChild($trg))
  78          {
  79              $rules[] = 'allowChild';
  80          }
  81          if ($src->allowsDescendant($trg))
  82          {
  83              $rules[] = 'allowDescendant';
  84          }
  85  
  86          return $rules;
  87      }
  88  }