elementor / modules / mcp / abilities / appliers / v3 / v3-style-serializer.php

v3-style-serializer.php in Elementor Website Builder – more than just a page builder 4.3.2, at modules/mcp/abilities/appliers/v3/v3-style-serializer.php

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1	<?php
2
3	namespace Elementor\Modules\Mcp\Abilities\Appliers\V3;
4
5	use Elementor\Modules\Mcp\Abilities\Appliers\V3\Serializer\V3_Block_Accumulator;
6	use Elementor\Modules\Mcp\Abilities\Appliers\V3\Serializer\V3_Serializer_Registry;
7	use Elementor\Modules\Mcp\Abilities\Appliers\V3\Serializer\V3_Serializer_Registry_Factory;
8	use Elementor\Modules\Mcp\Abilities\Appliers\V3\Serializer\Block_Renderer;
9
10	if ( ! defined( 'ABSPATH' ) ) {
11	exit;
12	}
13
14	/**
15	* Serializes a V3 widget's flat style settings back into a CSS string that
16	* V3_Style_Mapper can consume. Reverse of V3_Style_Mapper.
17	*
18	* The output is grouped by breakpoint / pseudo-state to match what the write path
19	* expects: base declarations, then `&:hover\|focus\|active { ... }`, then
20	* `@media(--breakpoint) { ... }` blocks with the same nesting inside.
21	*/
22	class V3_Style_Serializer {
23
24	private V3_Serializer_Registry $registry;
25	private Block_Renderer $renderer;
26
27	public function __construct( ?V3_Serializer_Registry $registry = null, ?Block_Renderer $renderer = null ) {
28	$this->registry = $registry ?? V3_Serializer_Registry_Factory::create();
29	$this->renderer = $renderer ?? new Block_Renderer();
30	}
31
32	public function serialize( array $settings, string $widget_type, array $widget_config ): string {
33	$overrides = V3_Widget_Bridge_Registry::get_style_overrides( $widget_type );
34	$controls = $widget_config['controls'] ?? [];
35	$generic = V3_Style_Settings_Index::build( is_array( $controls ) ? $controls : [], $overrides );
36
37	$blocks = new V3_Block_Accumulator();
38
39	foreach ( $overrides as $match_key => $entry ) {
40	[ $property, $state ] = $this->split_match_key( (string) $match_key );
41	$this->dispatch_entry( $blocks, $settings, $entry, $property, $state );
42	}
43
44	foreach ( $generic as $match_key => $entry ) {
45	[ $property, $state ] = $this->split_match_key( (string) $match_key );
46	$this->dispatch_entry( $blocks, $settings, $entry, $property, $state );
47	}
48
49	$mapped_css = $this->renderer->render( $blocks );
50	$custom_css = $this->unwrap_custom_css( $settings['custom_css'] ?? null );
51
52	if ( '' === $mapped_css ) {
53	return $custom_css;
54	}
55
56	if ( '' === $custom_css ) {
57	return $mapped_css;
58	}
59
60	return $mapped_css . ' ' . $custom_css;
61	}
62
63	/**
64	* @param mixed $custom_css
65	*/
66	private function unwrap_custom_css( $custom_css ): string {
67	if ( ! is_string( $custom_css ) ) {
68	return '';
69	}
70
71	$custom_css = trim( $custom_css );
72	if ( '' === $custom_css ) {
73	return '';
74	}
75
76	if ( preg_match( '/^\sselector\s\{\s([\s\S]?)\s\}\s$/i', $custom_css, $matches ) ) {
77	return trim( $matches[1] );
78	}
79
80	return $custom_css;
81	}
82
83	private function dispatch_entry( V3_Block_Accumulator $blocks, array $settings, array $entry, string $property, ?string $state ): void {
84	foreach ( $this->registry->all() as $serializer ) {
85	if ( ! $serializer->is_supported( $entry, $property, $state ) ) {
86	continue;
87	}
88
89	$serializer->emit( $blocks, $settings, $entry, $property, $state );
90
91	return;
92	}
93	}
94
95	/**
96	* @return array{0: string, 1: string\|null}
97	*/
98	private function split_match_key( string $match_key ): array {
99	if ( false === strpos( $match_key, '@' ) ) {
100	return [ $match_key, null ];
101	}
102
103	[ $property, $state ] = explode( '@', $match_key, 2 );
104
105	return [ $property, '' === $state ? null : $state ];
106	}
107	}
108