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: / opt / psa / admin / plib / modules / grafana / vendor / brick / varexporter / src / Internal /
Filename : ObjectExporter.php
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<?php

declare (strict_types=1);
namespace PleskGrafana\Brick\VarExporter\Internal;

use PleskGrafana\Brick\VarExporter\ExportException;
/**
 * An exporter that handles a specific type of object.
 *
 * @internal This class is for internal use, and not part of the public API. It may change at any time without warning.
 */
abstract class ObjectExporter
{
    protected GenericExporter $exporter;
    public function __construct(GenericExporter $exporter)
    {
        $this->exporter = $exporter;
    }
    /**
     * Returns whether this exporter supports the given object.
     *
     * @param \ReflectionObject $reflectionObject A reflection of the object.
     */
    public abstract function supports(\ReflectionObject $reflectionObject) : bool;
    /**
     * Exports the given object.
     *
     * @param object            $object           The object to export.
     * @param \ReflectionObject $reflectionObject A reflection of the object.
     * @param string[]          $path             The path to the current object in the array/object graph.
     * @param int[]             $parentIds        The ids of all objects higher in the graph.
     *
     * @return string[] The lines of code.
     *
     * @throws ExportException
     */
    public abstract function export(object $object, \ReflectionObject $reflectionObject, array $path, array $parentIds) : array;
    /**
     * Returns the code to create a new object of the given class.
     *
     * If the class has a constructor, reflection will be used to bypass it.
     *
     * @return string[] The lines of code.
     */
    protected final function getCreateObjectCode(\ReflectionClass $class) : array
    {
        $className = '\\' . $class->getName();
        if ($class->getConstructor() === null) {
            return ['$object = new ' . $className . ';'];
        }
        $lines = ['$class = new \\ReflectionClass(' . $className . '::class);'];
        if ($this->exporter->addTypeHints) {
            $lines[] = '';
            $lines[] = '/** @var ' . $className . ' $object */';
        }
        $lines[] = '$object = $class->newInstanceWithoutConstructor();';
        return $lines;
    }
    /**
     * Wraps the given PHP code in a static closure.
     *
     * @param string[] $code The lines of code.
     *
     * @return string[] The lines of code, wrapped in a closure.
     */
    protected final function wrapInClosure(array $code) : array
    {
        return \array_merge(['(static function() {'], $this->exporter->indent($code), ['})()']);
    }
}