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<?php

declare(strict_types=1);

namespace GraphQL\Utils;

use ArrayAccess;
use GraphQL\Type\Definition\EnumValueDefinition;
use InvalidArgumentException;
use ReturnTypeWillChange;
use SplObjectStorage;
use function array_key_exists;
use function array_search;
use function array_splice;
use function is_array;
use function is_float;
use function is_int;
use function is_object;
use function is_string;

/**
 * Similar to PHP array, but allows any type of data to act as key (including arrays, objects, scalars)
 *
 * Note: unfortunately when storing array as key - access and modification is O(N)
 * (yet this should rarely be the case and should be avoided when possible)
 */
class MixedStore implements ArrayAccess
{
    /** @var EnumValueDefinition[] */
    private $standardStore;

/** @var mixed[] */
    private $floatStore;

/** @var SplObjectStorage */
    private $objectStore;

/** @var callable[] */
    private $arrayKeys;

/** @var EnumValueDefinition[] */
    private $arrayValues;

/** @var callable[] */
    private $lastArrayKey;

/** @var mixed */
    private $lastArrayValue;

/** @var mixed */
    private $nullValue;

/** @var bool */
    private $nullValueIsSet;

/** @var mixed */
    private $trueValue;

/** @var bool */
    private $trueValueIsSet;

/** @var mixed */
    private $falseValue;

/** @var bool */
    private $falseValueIsSet;

public function __construct()
    {
        $this->standardStore   = [];
        $this->floatStore      = [];
        $this->objectStore     = new SplObjectStorage();
        $this->arrayKeys       = [];
        $this->arrayValues     = [];
        $this->nullValueIsSet  = false;
        $this->trueValueIsSet  = false;
        $this->falseValueIsSet = false;
    }

/**
 * Whether a offset exists
 *
 * @link http://php.net/manual/en/arrayaccess.offsetexists.php
 *
 * @param mixed $offset 
 * An offset to check for.
 * 
 *
 * @return bool true on success or false on failure.
 * 
 * 
 * The return value will be casted to boolean if non-boolean was returned.
 */
 public function offsetExists($offset) : bool
 {
 if ($offset === false) {
 return $this->falseValueIsSet;
 }
 if ($offset === true) {
 return $this->trueValueIsSet;
 }
 if (is_int($offset) || is_string($offset)) {
 return array_key_exists($offset, $this->standardStore);
 }
 if (is_float($offset)) {
 return array_key_exists((string) $offset, $this->floatStore);
 }
 if (is_object($offset)) {
 return $this->objectStore->offsetExists($offset);
 }
 if (is_array($offset)) {
 foreach ($this->arrayKeys as $index => $entry) {
 if ($entry === $offset) {
 $this->lastArrayKey = $offset;
 $this->lastArrayValue = $this->arrayValues[$index];

return true;
                }
            }
        }
        if ($offset === null) {
            return $this->nullValueIsSet;
        }

return false;
    }

/**
 * Offset to retrieve
 *
 * @link http://php.net/manual/en/arrayaccess.offsetget.php
 *
 * @param mixed $offset 
 * The offset to retrieve.
 * 
 *
 * @return mixed Can return all value types.
 */
 #[ReturnTypeWillChange]
 public function offsetGet($offset)
 {
 if ($offset === true) {
 return $this->trueValue;
 }
 if ($offset === false) {
 return $this->falseValue;
 }
 if (is_int($offset) || is_string($offset)) {
 return $this->standardStore[$offset];
 }
 if (is_float($offset)) {
 return $this->floatStore[(string) $offset];
 }
 if (is_object($offset)) {
 return $this->objectStore->offsetGet($offset);
 }
 if (is_array($offset)) {
 // offsetGet is often called directly after offsetExists, so optimize to avoid second loop:
 if ($this->lastArrayKey === $offset) {
 return $this->lastArrayValue;
 }
 foreach ($this->arrayKeys as $index => $entry) {
 if ($entry === $offset) {
 return $this->arrayValues[$index];
 }
 }
 }
 if ($offset === null) {
 return $this->nullValue;
 }

return null;
    }

/**
 * Offset to set
 *
 * @link http://php.net/manual/en/arrayaccess.offsetset.php
 *
 * @param mixed $offset 
 * The offset to assign the value to.
 * 
 * @param mixed $value 
 * The value to set.
 * 
 */
 public function offsetSet($offset, $value) : void
 {
 if ($offset === false) {
 $this->falseValue = $value;
 $this->falseValueIsSet = true;
 } elseif ($offset === true) {
 $this->trueValue = $value;
 $this->trueValueIsSet = true;
 } elseif (is_int($offset) || is_string($offset)) {
 $this->standardStore[$offset] = $value;
 } elseif (is_float($offset)) {
 $this->floatStore[(string) $offset] = $value;
 } elseif (is_object($offset)) {
 $this->objectStore[$offset] = $value;
 } elseif (is_array($offset)) {
 $this->arrayKeys[] = $offset;
 $this->arrayValues[] = $value;
 } elseif ($offset === null) {
 $this->nullValue = $value;
 $this->nullValueIsSet = true;
 } else {
 throw new InvalidArgumentException('Unexpected offset type: ' . Utils::printSafe($offset));
 }
 }

/**
 * Offset to unset
 *
 * @link http://php.net/manual/en/arrayaccess.offsetunset.php
 *
 * @param mixed $offset 
 * The offset to unset.
 * 
 */
 public function offsetUnset($offset) : void
 {
 if ($offset === true) {
 $this->trueValue = null;
 $this->trueValueIsSet = false;
 } elseif ($offset === false) {
 $this->falseValue = null;
 $this->falseValueIsSet = false;
 } elseif (is_int($offset) || is_string($offset)) {
 unset($this->standardStore[$offset]);
 } elseif (is_float($offset)) {
 unset($this->floatStore[(string) $offset]);
 } elseif (is_object($offset)) {
 $this->objectStore->offsetUnset($offset);
 } elseif (is_array($offset)) {
 $index = array_search($offset, $this->arrayKeys, true);

if ($index !== false) {
                array_splice($this->arrayKeys, $index, 1);
                array_splice($this->arrayValues, $index, 1);
            }
        } elseif ($offset === null) {
            $this->nullValue      = null;
            $this->nullValueIsSet = false;
        }
    }
}

/srv/users/craft4/apps/craft4-newsite-space/./vendor/webonyx/graphql-php/./src/Utils/MixedStore.php