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/vendor/twig/twig/src/Node/ -> Node.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of Twig.
   5   *
   6   * (c) Fabien Potencier
   7   * (c) Armin Ronacher
   8   *
   9   * For the full copyright and license information, please view the LICENSE
  10   * file that was distributed with this source code.
  11   */
  12  
  13  namespace Twig\Node;
  14  
  15  use Twig\Compiler;
  16  use Twig\Source;
  17  
  18  /**
  19   * Represents a node in the AST.
  20   *
  21   * @author Fabien Potencier <fabien@symfony.com>
  22   */
  23  class Node implements \Twig_NodeInterface
  24  {
  25      protected $nodes;
  26      protected $attributes;
  27      protected $lineno;
  28      protected $tag;
  29  
  30      private $name;
  31      private $sourceContext;
  32  
  33      /**
  34       * @param array  $nodes      An array of named nodes
  35       * @param array  $attributes An array of attributes (should not be nodes)
  36       * @param int    $lineno     The line number
  37       * @param string $tag        The tag name associated with the Node
  38       */
  39      public function __construct(array $nodes = [], array $attributes = [], $lineno = 0, $tag = null)
  40      {
  41          foreach ($nodes as $name => $node) {
  42              if (!$node instanceof \Twig_NodeInterface) {
  43                  @trigger_error(sprintf('Using "%s" for the value of node "%s" of "%s" is deprecated since version 1.25 and will be removed in 2.0.', \is_object($node) ? \get_class($node) : (null === $node ? 'null' : \gettype($node)), $name, \get_class($this)), E_USER_DEPRECATED);
  44              }
  45          }
  46          $this->nodes = $nodes;
  47          $this->attributes = $attributes;
  48          $this->lineno = $lineno;
  49          $this->tag = $tag;
  50      }
  51  
  52      public function __toString()
  53      {
  54          $attributes = [];
  55          foreach ($this->attributes as $name => $value) {
  56              $attributes[] = sprintf('%s: %s', $name, str_replace("\n", '', var_export($value, true)));
  57          }
  58  
  59          $repr = [\get_class($this).'('.implode(', ', $attributes)];
  60  
  61          if (\count($this->nodes)) {
  62              foreach ($this->nodes as $name => $node) {
  63                  $len = \strlen($name) + 4;
  64                  $noderepr = [];
  65                  foreach (explode("\n", (string) $node) as $line) {
  66                      $noderepr[] = str_repeat(' ', $len).$line;
  67                  }
  68  
  69                  $repr[] = sprintf('  %s: %s', $name, ltrim(implode("\n", $noderepr)));
  70              }
  71  
  72              $repr[] = ')';
  73          } else {
  74              $repr[0] .= ')';
  75          }
  76  
  77          return implode("\n", $repr);
  78      }
  79  
  80      /**
  81       * @deprecated since 1.16.1 (to be removed in 2.0)
  82       */
  83      public function toXml($asDom = false)
  84      {
  85          @trigger_error(sprintf('%s is deprecated since version 1.16.1 and will be removed in 2.0.', __METHOD__), E_USER_DEPRECATED);
  86  
  87          $dom = new \DOMDocument('1.0', 'UTF-8');
  88          $dom->formatOutput = true;
  89          $dom->appendChild($xml = $dom->createElement('twig'));
  90  
  91          $xml->appendChild($node = $dom->createElement('node'));
  92          $node->setAttribute('class', \get_class($this));
  93  
  94          foreach ($this->attributes as $name => $value) {
  95              $node->appendChild($attribute = $dom->createElement('attribute'));
  96              $attribute->setAttribute('name', $name);
  97              $attribute->appendChild($dom->createTextNode($value));
  98          }
  99  
 100          foreach ($this->nodes as $name => $n) {
 101              if (null === $n) {
 102                  continue;
 103              }
 104  
 105              $child = $n->toXml(true)->getElementsByTagName('node')->item(0);
 106              $child = $dom->importNode($child, true);
 107              $child->setAttribute('name', $name);
 108  
 109              $node->appendChild($child);
 110          }
 111  
 112          return $asDom ? $dom : $dom->saveXML();
 113      }
 114  
 115      public function compile(Compiler $compiler)
 116      {
 117          foreach ($this->nodes as $node) {
 118              $node->compile($compiler);
 119          }
 120      }
 121  
 122      public function getTemplateLine()
 123      {
 124          return $this->lineno;
 125      }
 126  
 127      /**
 128       * @deprecated since 1.27 (to be removed in 2.0)
 129       */
 130      public function getLine()
 131      {
 132          @trigger_error('The '.__METHOD__.' method is deprecated since version 1.27 and will be removed in 2.0. Use getTemplateLine() instead.', E_USER_DEPRECATED);
 133  
 134          return $this->lineno;
 135      }
 136  
 137      public function getNodeTag()
 138      {
 139          return $this->tag;
 140      }
 141  
 142      /**
 143       * @return bool
 144       */
 145      public function hasAttribute($name)
 146      {
 147          return \array_key_exists($name, $this->attributes);
 148      }
 149  
 150      /**
 151       * @return mixed
 152       */
 153      public function getAttribute($name)
 154      {
 155          if (!\array_key_exists($name, $this->attributes)) {
 156              throw new \LogicException(sprintf('Attribute "%s" does not exist for Node "%s".', $name, \get_class($this)));
 157          }
 158  
 159          return $this->attributes[$name];
 160      }
 161  
 162      /**
 163       * @param string $name
 164       * @param mixed  $value
 165       */
 166      public function setAttribute($name, $value)
 167      {
 168          $this->attributes[$name] = $value;
 169      }
 170  
 171      public function removeAttribute($name)
 172      {
 173          unset($this->attributes[$name]);
 174      }
 175  
 176      /**
 177       * @return bool
 178       */
 179      public function hasNode($name)
 180      {
 181          return \array_key_exists($name, $this->nodes);
 182      }
 183  
 184      /**
 185       * @return Node
 186       */
 187      public function getNode($name)
 188      {
 189          if (!\array_key_exists($name, $this->nodes)) {
 190              throw new \LogicException(sprintf('Node "%s" does not exist for Node "%s".', $name, \get_class($this)));
 191          }
 192  
 193          return $this->nodes[$name];
 194      }
 195  
 196      public function setNode($name, $node = null)
 197      {
 198          if (!$node instanceof \Twig_NodeInterface) {
 199              @trigger_error(sprintf('Using "%s" for the value of node "%s" of "%s" is deprecated since version 1.25 and will be removed in 2.0.', \is_object($node) ? \get_class($node) : (null === $node ? 'null' : \gettype($node)), $name, \get_class($this)), E_USER_DEPRECATED);
 200          }
 201  
 202          $this->nodes[$name] = $node;
 203      }
 204  
 205      public function removeNode($name)
 206      {
 207          unset($this->nodes[$name]);
 208      }
 209  
 210      public function count()
 211      {
 212          return \count($this->nodes);
 213      }
 214  
 215      public function getIterator()
 216      {
 217          return new \ArrayIterator($this->nodes);
 218      }
 219  
 220      public function setTemplateName($name)
 221      {
 222          $this->name = $name;
 223          foreach ($this->nodes as $node) {
 224              if (null !== $node) {
 225                  $node->setTemplateName($name);
 226              }
 227          }
 228      }
 229  
 230      public function getTemplateName()
 231      {
 232          return $this->name;
 233      }
 234  
 235      public function setSourceContext(Source $source)
 236      {
 237          $this->sourceContext = $source;
 238          foreach ($this->nodes as $node) {
 239              if ($node instanceof Node) {
 240                  $node->setSourceContext($source);
 241              }
 242          }
 243      }
 244  
 245      public function getSourceContext()
 246      {
 247          return $this->sourceContext;
 248      }
 249  
 250      /**
 251       * @deprecated since 1.27 (to be removed in 2.0)
 252       */
 253      public function setFilename($name)
 254      {
 255          @trigger_error('The '.__METHOD__.' method is deprecated since version 1.27 and will be removed in 2.0. Use setTemplateName() instead.', E_USER_DEPRECATED);
 256  
 257          $this->setTemplateName($name);
 258      }
 259  
 260      /**
 261       * @deprecated since 1.27 (to be removed in 2.0)
 262       */
 263      public function getFilename()
 264      {
 265          @trigger_error('The '.__METHOD__.' method is deprecated since version 1.27 and will be removed in 2.0. Use getTemplateName() instead.', E_USER_DEPRECATED);
 266  
 267          return $this->name;
 268      }
 269  }
 270  
 271  class_alias('Twig\Node\Node', 'Twig_Node');
 272  
 273  // Ensure that the aliased name is loaded to keep BC for classes implementing the typehint with the old aliased name.
 274  class_exists('Twig\Compiler');


Generated: Tue Apr 7 19:42:26 2020 Cross-referenced by PHPXref 0.7.1