final public function getAttribute()

in src/core/Node.hack [286:306]

• 17 lines of code
• 5 McCabe index (conditional complexity)

  final public function getAttribute(string $attr): mixed {
    // Return the attribute if it's there
    if (C\contains_key($this->attributes, $attr)) {
      return $this->attributes[$attr];
    }

    if (!ReflectionXHPAttribute::isSpecial($attr)) {
      // Get the declaration
      $decl = static::__xhpReflectionAttribute($attr);

      if ($decl === null) {
        throw new \Facebook\XHP\AttributeNotSupportedException($this, $attr);
      } else if ($decl->isRequired()) {
        throw new \Facebook\XHP\AttributeRequiredException($this, $attr);
      } else {
        return $decl->getDefaultValue();
      }
    } else {
      return null;
    }
  }