<?php

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namespace Elementor\Modules\Components\Transformers;

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use Elementor\Modules\AtomicWidgets\PropsResolver\Props_Resolver_Context;

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use Elementor\Modules\AtomicWidgets\PropsResolver\Transformer_Base;

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use Elementor\Plugin;

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use Elementor\Core\Base\Document as Component_Document;

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use Elementor\Modules\Components\Components_Repository;

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if ( ! defined( 'ABSPATH' ) ) {

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exit; // Exit if accessed directly.

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}

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class Component_Instance_Transformer extends Transformer_Base {

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private static array $rendering_stack = [];

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private static $repository;

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public static function reset_rendering_stack(): void {

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self::$rendering_stack = [];

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}

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public function transform( $value, Props_Resolver_Context $context ) {

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$component_id = $value['component_id'];

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if ( $this->is_circular_reference( $component_id ) ) {

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return '';

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}

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self::$rendering_stack[] = $component_id;

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$content = $this->get_rendered_content( $component_id );

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array_pop( self::$rendering_stack );

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return $content;

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}

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private function is_circular_reference( int $component_id ): bool {

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return in_array( $component_id, self::$rendering_stack, true );

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}

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private function get_rendered_content( int $component_id ): string {

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$should_show_autosave = is_preview();

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$component = $this->get_repository()->get( $component_id, $should_show_autosave );

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if ( ! $component || ! $this->should_render_content( $component ) ) {

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return '';

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}

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Plugin::$instance->documents->switch_to_document( $component );

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$data = $component->get_elements_data();

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$data = apply_filters( 'elementor/frontend/builder_content_data', $data, $component_id );

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$content = '';

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if ( ! empty( $data ) ) {

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ob_start();

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$component->print_elements( $data );

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$content = ob_get_clean();

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$content = apply_filters( 'elementor/frontend/the_content', $content );

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}

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Plugin::$instance->documents->restore_document();

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return $content;

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}

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private function should_render_content( Component_Document $document ): bool {

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return ! $this->is_password_protected( $document ) &&

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$document->is_built_with_elementor();

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}

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private function is_password_protected( $document ) {

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return post_password_required( $document->get_post()->ID );

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}

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private function get_repository(): Components_Repository {

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if ( ! self::$repository ) {

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self::$repository = new Components_Repository();

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}

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return self::$repository;

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}

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}

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