smuuf/primi

<?php

declare(strict_types=1);

namespace Smuuf\Primi\Structures;

use \Smuuf\Primi\Ex\TypeError;
use \Smuuf\Primi\Values\AbstractValue;

use \Smuuf\StrictObject;

/**
 * @internal
 * @see InsertionProxyInterface
 */
class ItemInsertionProxy implements InsertionProxyInterface {

    use StrictObject;

    protected AbstractValue $target;
    protected ?AbstractValue $key;

    public function __construct(
        ?AbstractValue $key,
        AbstractValue $target
    ) {
        $this->target = $target;
        $this->key = $key;
    }

    public function commit(AbstractValue $value): void {

        $success = $this->target->itemSet($this->key, $value);
        if ($success === \false) {
            throw new TypeError(sprintf(
                "Type '%s' does not support item assignment",
                ($this->target)->getTypeName()
            ));
        }

    }

}