Fe.php in Automatic Updates 8

File

vendor/paragonie/sodium_compat/src/Core/Curve25519/Fe.php

<?php

if (class_exists('ParagonIE_Sodium_Core_Curve25519_Fe', false)) {
  return;
}

/**
 * Class ParagonIE_Sodium_Core_Curve25519_Fe
 *
 * This represents a Field Element
 */
class ParagonIE_Sodium_Core_Curve25519_Fe implements ArrayAccess {

  /**
   * @var array<int, int>
   */
  protected $container = array();

  /**
   * @var int
   */
  protected $size = 10;

  /**
   * @internal You should not use this directly from another application
   *
   * @param array<int, int> $array
   * @param bool $save_indexes
   * @return self
   */
  public static function fromArray($array, $save_indexes = null) {
    $count = count($array);
    if ($save_indexes) {
      $keys = array_keys($array);
    }
    else {
      $keys = range(0, $count - 1);
    }
    $array = array_values($array);

    /** @var array<int, int> $keys */
    $obj = new ParagonIE_Sodium_Core_Curve25519_Fe();
    if ($save_indexes) {
      for ($i = 0; $i < $count; ++$i) {
        $obj
          ->offsetSet($keys[$i], $array[$i]);
      }
    }
    else {
      for ($i = 0; $i < $count; ++$i) {
        $obj
          ->offsetSet($i, $array[$i]);
      }
    }
    return $obj;
  }

  /**
   * @internal You should not use this directly from another application
   *
   * @param int|null $offset
   * @param int $value
   * @return void
   * @psalm-suppress MixedArrayOffset
   */
  public function offsetSet($offset, $value) {
    if (!is_int($value)) {
      throw new InvalidArgumentException('Expected an integer');
    }
    if (is_null($offset)) {
      $this->container[] = $value;
    }
    else {
      $this->container[$offset] = $value;
    }
  }

  /**
   * @internal You should not use this directly from another application
   *
   * @param int $offset
   * @return bool
   * @psalm-suppress MixedArrayOffset
   */
  public function offsetExists($offset) {
    return isset($this->container[$offset]);
  }

  /**
   * @internal You should not use this directly from another application
   *
   * @param int $offset
   * @return void
   * @psalm-suppress MixedArrayOffset
   */
  public function offsetUnset($offset) {
    unset($this->container[$offset]);
  }

  /**
   * @internal You should not use this directly from another application
   *
   * @param int $offset
   * @return int
   * @psalm-suppress MixedArrayOffset
   */
  public function offsetGet($offset) {
    if (!isset($this->container[$offset])) {
      $this->container[$offset] = 0;
    }
    return (int) $this->container[$offset];
  }

  /**
   * @internal You should not use this directly from another application
   *
   * @return array
   */
  public function __debugInfo() {
    return array(
      implode(', ', $this->container),
    );
  }

}

Classes

Name	Description
ParagonIE_Sodium_Core_Curve25519_Fe	Class ParagonIE_Sodium_Core_Curve25519_Fe