original_string: public function setupContext($context = null) {
          $this->fragment = true;
          if ($context) {
              $context = $this->dom->createElementNS(self::NS_HTML, $context);
              /* 4.1. Set the HTML parser's tokenization  stage's content model
               * flag according to the context element, as follows: */
              switch ($context->tagName) {
                  case 'title': case 'textarea':
                      $this->content_model = HTML5_Tokenizer::RCDATA;
                      break;
                  case 'style': case 'script': case 'xmp': case 'iframe':
                  case 'noembed': case 'noframes':
                      $this->content_model = HTML5_Tokenizer::CDATA;
                      break;
                  case 'noscript':
                      // XSCRIPT: assuming scripting is enabled
                      $this->content_model = HTML5_Tokenizer::CDATA;
                      break;
                  case 'plaintext':
                      $this->content_model = HTML5_Tokenizer::PLAINTEXT;
                      break;
              }
              /* 4.2. Let root be a new html element with no attributes. */
              $root = $this->dom->createElementNS(self::NS_HTML, 'html');
              $this->root = $root;
              /* 4.3 Append the element root to the Document node created above. */
              $this->dom->appendChild($root);
              /* 4.4 Set up the parser's stack of open elements so that it
               * contains just the single element root. */
              $this->stack = array($root);
              /* 4.5 Reset the parser's insertion mode appropriately. */
              $this->resetInsertionMode($context);
              /* 4.6 Set the parser's form element pointer  to the nearest node
               * to the context element that is a form element (going straight up
               * the ancestor chain, and including the element itself, if it is a
               * form element), or, if there is no such form element, to null. */
              $node = $context;
              do {
                  if ($node->tagName === 'form') {
                      $this->form_pointer = $node;
                      break;
                  }
              } while ($node = $node->parentNode);
          }
      }
code: public function setupContext($context = null) {
          $this->fragment = true;
          if ($context) {
              $context = $this->dom->createElementNS(self::NS_HTML, $context);
              /* 4.1. Set the HTML parser's tokenization  stage's content model
               * flag according to the context element, as follows: */
              switch ($context->tagName) {
                  case 'title': case 'textarea':
                      $this->content_model = HTML5_Tokenizer::RCDATA;
                      break;
                  case 'style': case 'script': case 'xmp': case 'iframe':
                  case 'noembed': case 'noframes':
                      $this->content_model = HTML5_Tokenizer::CDATA;
                      break;
                  case 'noscript':
                      // XSCRIPT: assuming scripting is enabled
                      $this->content_model = HTML5_Tokenizer::CDATA;
                      break;
                  case 'plaintext':
                      $this->content_model = HTML5_Tokenizer::PLAINTEXT;
                      break;
              }
              /* 4.2. Let root be a new html element with no attributes. */
              $root = $this->dom->createElementNS(self::NS_HTML, 'html');
              $this->root = $root;
              /* 4.3 Append the element root to the Document node created above. */
              $this->dom->appendChild($root);
              /* 4.4 Set up the parser's stack of open elements so that it
               * contains just the single element root. */
              $this->stack = array($root);
              /* 4.5 Reset the parser's insertion mode appropriately. */
              $this->resetInsertionMode($context);
              /* 4.6 Set the parser's form element pointer  to the nearest node
               * to the context element that is a form element (going straight up
               * the ancestor chain, and including the element itself, if it is a
               * form element), or, if there is no such form element, to null. */
              $node = $context;
              do {
                  if ($node->tagName === 'form') {
                      $this->form_pointer = $node;
                      break;
                  }
              } while ($node = $node->parentNode);
          }
      }
code_tokens: public function setupContext ( $ context = null ) { $ this -> fragment = true ; if ( $ context ) { $ context = $ this -> dom -> createElementNS ( self :: NS_HTML , $ context ) ; /* 4.1. Set the HTML parser's tokenization  stage's content model
               * flag according to the context element, as follows: */ switch ( $ context -> tagName ) { case 'title' : case 'textarea' : $ this -> content_model = HTML5_Tokenizer :: RCDATA ; break ; case 'style' : case 'script' : case 'xmp' : case 'iframe' : case 'noembed' : case 'noframes' : $ this -> content_model = HTML5_Tokenizer :: CDATA ; break ; case 'noscript' : // XSCRIPT: assuming scripting is enabled $ this -> content_model = HTML5_Tokenizer :: CDATA ; break ; case 'plaintext' : $ this -> content_model = HTML5_Tokenizer :: PLAINTEXT ; break ; } /* 4.2. Let root be a new html element with no attributes. */ $ root = $ this -> dom -> createElementNS ( self :: NS_HTML , 'html' ) ; $ this -> root = $ root ; /* 4.3 Append the element root to the Document node created above. */ $ this -> dom -> appendChild ( $ root ) ; /* 4.4 Set up the parser's stack of open elements so that it
               * contains just the single element root. */ $ this -> stack = array ( $ root ) ; /* 4.5 Reset the parser's insertion mode appropriately. */ $ this -> resetInsertionMode ( $ context ) ; /* 4.6 Set the parser's form element pointer  to the nearest node
               * to the context element that is a form element (going straight up
               * the ancestor chain, and including the element itself, if it is a
               * form element), or, if there is no such form element, to null. */ $ node = $ context ; do { if ( $ node -> tagName === 'form' ) { $ this -> form_pointer = $ node ; break ; } } while ( $ node = $ node -> parentNode ) ; } }
docstring: Sets up the tree constructor for building a fragment.
  
  @param null $context
docstring_tokens: Sets up the tree constructor for building a fragment .