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   1  <?php
   2  /*
   3   * This file is part of the Symfony package.
   4   *
   5   * (c) Fabien Potencier <[email protected]>
   6   *
   7   * For the full copyright and license information, please view the LICENSE
   8   * file that was distributed with this source code.
   9   */
  10  
  11  namespace Symfony\Component\VarDumper\Caster;
  12  
  13  use Symfony\Component\VarDumper\Cloner\Stub;
  14  
  15  /**
  16   * Casts XmlReader class to array representation.
  17   *
  18   * @author Baptiste Clavié <[email protected]>
  19   *
  20   * @final
  21   */
  22  class XmlReaderCaster
  23  {
  24      private const NODE_TYPES = [
  25          \XMLReader::NONE => 'NONE',
  26          \XMLReader::ELEMENT => 'ELEMENT',
  27          \XMLReader::ATTRIBUTE => 'ATTRIBUTE',
  28          \XMLReader::TEXT => 'TEXT',
  29          \XMLReader::CDATA => 'CDATA',
  30          \XMLReader::ENTITY_REF => 'ENTITY_REF',
  31          \XMLReader::ENTITY => 'ENTITY',
  32          \XMLReader::PI => 'PI (Processing Instruction)',
  33          \XMLReader::COMMENT => 'COMMENT',
  34          \XMLReader::DOC => 'DOC',
  35          \XMLReader::DOC_TYPE => 'DOC_TYPE',
  36          \XMLReader::DOC_FRAGMENT => 'DOC_FRAGMENT',
  37          \XMLReader::NOTATION => 'NOTATION',
  38          \XMLReader::WHITESPACE => 'WHITESPACE',
  39          \XMLReader::SIGNIFICANT_WHITESPACE => 'SIGNIFICANT_WHITESPACE',
  40          \XMLReader::END_ELEMENT => 'END_ELEMENT',
  41          \XMLReader::END_ENTITY => 'END_ENTITY',
  42          \XMLReader::XML_DECLARATION => 'XML_DECLARATION',
  43      ];
  44  
  45      public static function castXmlReader(\XMLReader $reader, array $a, Stub $stub, bool $isNested)
  46      {
  47          try {
  48              $properties = [
  49                  'LOADDTD' => @$reader->getParserProperty(\XMLReader::LOADDTD),
  50                  'DEFAULTATTRS' => @$reader->getParserProperty(\XMLReader::DEFAULTATTRS),
  51                  'VALIDATE' => @$reader->getParserProperty(\XMLReader::VALIDATE),
  52                  'SUBST_ENTITIES' => @$reader->getParserProperty(\XMLReader::SUBST_ENTITIES),
  53              ];
  54          } catch (\Error $e) {
  55              $properties = [
  56                  'LOADDTD' => false,
  57                  'DEFAULTATTRS' => false,
  58                  'VALIDATE' => false,
  59                  'SUBST_ENTITIES' => false,
  60              ];
  61          }
  62  
  63          $props = Caster::PREFIX_VIRTUAL.'parserProperties';
  64          $info = [
  65              'localName' => $reader->localName,
  66              'prefix' => $reader->prefix,
  67              'nodeType' => new ConstStub(self::NODE_TYPES[$reader->nodeType], $reader->nodeType),
  68              'depth' => $reader->depth,
  69              'isDefault' => $reader->isDefault,
  70              'isEmptyElement' => \XMLReader::NONE === $reader->nodeType ? null : $reader->isEmptyElement,
  71              'xmlLang' => $reader->xmlLang,
  72              'attributeCount' => $reader->attributeCount,
  73              'value' => $reader->value,
  74              'namespaceURI' => $reader->namespaceURI,
  75              'baseURI' => $reader->baseURI ? new LinkStub($reader->baseURI) : $reader->baseURI,
  76              $props => $properties,
  77          ];
  78  
  79          if ($info[$props] = Caster::filter($info[$props], Caster::EXCLUDE_EMPTY, [], $count)) {
  80              $info[$props] = new EnumStub($info[$props]);
  81              $info[$props]->cut = $count;
  82          }
  83  
  84          $info = Caster::filter($info, Caster::EXCLUDE_EMPTY, [], $count);
  85          // +2 because hasValue and hasAttributes are always filtered
  86          $stub->cut += $count + 2;
  87  
  88          return $a + $info;
  89      }
  90  }