?<h3>D¨ızenle: elements.php</h3>
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/**
 * Elements styles block support.
 *
 * @package WordPress
 * @since 5.8.0
 */

/**
 * Gets the elements class names.
 *
 * @since 6.0.0
 * @access private
 *
 * @param array $block Block object.
 * @return string The unique class name.
 */
function wp_get_elements_class_name( $block ) {
	return &#039;wp-elements-&#039; . md5( serialize( $block ) );
}

/**
 * Determines whether an elements class name should be added to the block.
 *
 * @since 6.6.0
 * @access private
 *
 * @param  array $block   Block object.
 * @param  array $options Per element type options e.g. whether to skip serialization.
 * @return boolean Whether the block needs an elements class name.
 */
function wp_should_add_elements_class_name( $block, $options ) {
	if ( ! isset( $block[&#039;attrs&#039;][&#039;style&#039;][&#039;elements&#039;] ) ) {
		return false;
	}

	$element_color_properties = array(
		&#039;button&#039;  =&gt; array(
			&#039;skip&#039;  =&gt; isset( $options[&#039;button&#039;][&#039;skip&#039;] ) ? $options[&#039;button&#039;][&#039;skip&#039;] : false,
			&#039;paths&#039; =&gt; array(
				array( &#039;button&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;button&#039;, &#039;color&#039;, &#039;background&#039; ),
				array( &#039;button&#039;, &#039;color&#039;, &#039;gradient&#039; ),
			),
		),
		&#039;link&#039;    =&gt; array(
			&#039;skip&#039;  =&gt; isset( $options[&#039;link&#039;][&#039;skip&#039;] ) ? $options[&#039;link&#039;][&#039;skip&#039;] : false,
			&#039;paths&#039; =&gt; array(
				array( &#039;link&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;link&#039;, &#039;:hover&#039;, &#039;color&#039;, &#039;text&#039; ),
			),
		),
		&#039;heading&#039; =&gt; array(
			&#039;skip&#039;  =&gt; isset( $options[&#039;heading&#039;][&#039;skip&#039;] ) ? $options[&#039;heading&#039;][&#039;skip&#039;] : false,
			&#039;paths&#039; =&gt; array(
				array( &#039;heading&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;heading&#039;, &#039;color&#039;, &#039;background&#039; ),
				array( &#039;heading&#039;, &#039;color&#039;, &#039;gradient&#039; ),
				array( &#039;h1&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;h1&#039;, &#039;color&#039;, &#039;background&#039; ),
				array( &#039;h1&#039;, &#039;color&#039;, &#039;gradient&#039; ),
				array( &#039;h2&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;h2&#039;, &#039;color&#039;, &#039;background&#039; ),
				array( &#039;h2&#039;, &#039;color&#039;, &#039;gradient&#039; ),
				array( &#039;h3&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;h3&#039;, &#039;color&#039;, &#039;background&#039; ),
				array( &#039;h3&#039;, &#039;color&#039;, &#039;gradient&#039; ),
				array( &#039;h4&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;h4&#039;, &#039;color&#039;, &#039;background&#039; ),
				array( &#039;h4&#039;, &#039;color&#039;, &#039;gradient&#039; ),
				array( &#039;h5&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;h5&#039;, &#039;color&#039;, &#039;background&#039; ),
				array( &#039;h5&#039;, &#039;color&#039;, &#039;gradient&#039; ),
				array( &#039;h6&#039;, &#039;color&#039;, &#039;text&#039; ),
				array( &#039;h6&#039;, &#039;color&#039;, &#039;background&#039; ),
				array( &#039;h6&#039;, &#039;color&#039;, &#039;gradient&#039; ),
			),
		),
	);

	$elements_style_attributes = $block[&#039;attrs&#039;][&#039;style&#039;][&#039;elements&#039;];

	foreach ( $element_color_properties as $element_config ) {
		if ( $element_config[&#039;skip&#039;] ) {
			continue;
		}

		foreach ( $element_config[&#039;paths&#039;] as $path ) {
			if ( null !== _wp_array_get( $elements_style_attributes, $path, null ) ) {
				return true;
			}
		}
	}

	return false;
}

/**
 * Render the elements stylesheet and adds elements class name to block as required.
 *
 * In the case of nested blocks we want the parent element styles to be rendered before their descendants.
 * This solves the issue of an element (e.g.: link color) being styled in both the parent and a descendant:
 * we want the descendant style to take priority, and this is done by loading it after, in DOM order.
 *
 * @since 6.0.0
 * @since 6.1.0 Implemented the style engine to generate CSS and classnames.
 * @since 6.6.0 Element block support class and styles are generated via the `render_block_data` filter instead of `pre_render_block`.
 * @access private
 *
 * @param array $parsed_block The parsed block.
 * @return array The same parsed block with elements classname added if appropriate.
 */
function wp_render_elements_support_styles( $parsed_block ) {
	/*
	 * The generation of element styles and classname were moved to the
	 * `render_block_data` filter in 6.6.0 to avoid filtered attributes
	 * breaking the application of the elements CSS class.
	 *
	 * @see https://github.com/WordPress/gutenberg/pull/59535
	 *
	 * The change in filter means, the argument types for this function
	 * have changed and require deprecating.
	 */
	if ( is_string( $parsed_block ) ) {
		_deprecated_argument(
			__FUNCTION__,
			&#039;6.6.0&#039;,
			__( &#039;Use as a `pre_render_block` filter is deprecated. Use with `render_block_data` instead.&#039; )
		);
	}

	$block_type           = WP_Block_Type_Registry::get_instance()-&gt;get_registered( $parsed_block[&#039;blockName&#039;] );
	$element_block_styles = isset( $parsed_block[&#039;attrs&#039;][&#039;style&#039;][&#039;elements&#039;] ) ? $parsed_block[&#039;attrs&#039;][&#039;style&#039;][&#039;elements&#039;] : null;

	if ( ! $element_block_styles ) {
		return $parsed_block;
	}

	$skip_link_color_serialization         = wp_should_skip_block_supports_serialization( $block_type, &#039;color&#039;, &#039;link&#039; );
	$skip_heading_color_serialization      = wp_should_skip_block_supports_serialization( $block_type, &#039;color&#039;, &#039;heading&#039; );
	$skip_button_color_serialization       = wp_should_skip_block_supports_serialization( $block_type, &#039;color&#039;, &#039;button&#039; );
	$skips_all_element_color_serialization = $skip_link_color_serialization &amp;&amp;
		$skip_heading_color_serialization &amp;&amp;
		$skip_button_color_serialization;

	if ( $skips_all_element_color_serialization ) {
		return $parsed_block;
	}

	$options = array(
		&#039;button&#039;  =&gt; array( &#039;skip&#039; =&gt; $skip_button_color_serialization ),
		&#039;link&#039;    =&gt; array( &#039;skip&#039; =&gt; $skip_link_color_serialization ),
		&#039;heading&#039; =&gt; array( &#039;skip&#039; =&gt; $skip_heading_color_serialization ),
	);

	if ( ! wp_should_add_elements_class_name( $parsed_block, $options ) ) {
		return $parsed_block;
	}

	$class_name         = wp_get_elements_class_name( $parsed_block );
	$updated_class_name = isset( $parsed_block[&#039;attrs&#039;][&#039;className&#039;] ) ? $parsed_block[&#039;attrs&#039;][&#039;className&#039;] . &quot; $class_name&quot; : $class_name;

	_wp_array_set( $parsed_block, array( &#039;attrs&#039;, &#039;className&#039; ), $updated_class_name );

	// Generate element styles based on selector and store in style engine for enqueuing.
	$element_types = array(
		&#039;button&#039;  =&gt; array(
			&#039;selector&#039; =&gt; &quot;.$class_name .wp-element-button, .$class_name .wp-block-button__link&quot;,
			&#039;skip&#039;     =&gt; $skip_button_color_serialization,
		),
		&#039;link&#039;    =&gt; array(
			&#039;selector&#039;       =&gt; &quot;.$class_name a:where(:not(.wp-element-button))&quot;,
			&#039;hover_selector&#039; =&gt; &quot;.$class_name a:where(:not(.wp-element-button)):hover&quot;,
			&#039;skip&#039;           =&gt; $skip_link_color_serialization,
		),
		&#039;heading&#039; =&gt; array(
			&#039;selector&#039; =&gt; &quot;.$class_name h1, .$class_name h2, .$class_name h3, .$class_name h4, .$class_name h5, .$class_name h6&quot;,
			&#039;skip&#039;     =&gt; $skip_heading_color_serialization,
			&#039;elements&#039; =&gt; array( &#039;h1&#039;, &#039;h2&#039;, &#039;h3&#039;, &#039;h4&#039;, &#039;h5&#039;, &#039;h6&#039; ),
		),
	);

	foreach ( $element_types as $element_type =&gt; $element_config ) {
		if ( $element_config[&#039;skip&#039;] ) {
			continue;
		}

		$element_style_object = isset( $element_block_styles[ $element_type ] ) ? $element_block_styles[ $element_type ] : null;

		// Process primary element type styles.
		if ( $element_style_object ) {
			wp_style_engine_get_styles(
				$element_style_object,
				array(
					&#039;selector&#039; =&gt; $element_config[&#039;selector&#039;],
					&#039;context&#039;  =&gt; &#039;block-supports&#039;,
				)
			);

			if ( isset( $element_style_object[&#039;:hover&#039;] ) ) {
				wp_style_engine_get_styles(
					$element_style_object[&#039;:hover&#039;],
					array(
						&#039;selector&#039; =&gt; $element_config[&#039;hover_selector&#039;],
						&#039;context&#039;  =&gt; &#039;block-supports&#039;,
					)
				);
			}
		}

		// Process related elements e.g. h1-h6 for headings.
		if ( isset( $element_config[&#039;elements&#039;] ) ) {
			foreach ( $element_config[&#039;elements&#039;] as $element ) {
				$element_style_object = isset( $element_block_styles[ $element ] )
					? $element_block_styles[ $element ]
					: null;

				if ( $element_style_object ) {
					wp_style_engine_get_styles(
						$element_style_object,
						array(
							&#039;selector&#039; =&gt; &quot;.$class_name $element&quot;,
							&#039;context&#039;  =&gt; &#039;block-supports&#039;,
						)
					);
				}
			}
		}
	}

	return $parsed_block;
}

/**
 * Ensure the elements block support class name generated, and added to
 * block attributes, in the `render_block_data` filter gets applied to the
 * block&#039;s markup.
 *
 * @see wp_render_elements_support_styles
 * @since 6.6.0
 *
 * @param  string $block_content Rendered block content.
 * @param  array  $block         Block object.
 * @return string                Filtered block content.
 */
function wp_render_elements_class_name( $block_content, $block ) {
	$class_string = $block[&#039;attrs&#039;][&#039;className&#039;] ?? &#039;&#039;;
	preg_match( &#039;/\bwp-elements-\S+\b/&#039;, $class_string, $matches );

	if ( empty( $matches ) ) {
		return $block_content;
	}

	$tags = new WP_HTML_Tag_Processor( $block_content );

	if ( $tags-&gt;next_tag() ) {
		$tags-&gt;add_class( $matches[0] );
	}

	return $tags-&gt;get_updated_html();
}

add_filter( &#039;render_block&#039;, &#039;wp_render_elements_class_name&#039;, 10, 2 );
add_filter( &#039;render_block_data&#039;, &#039;wp_render_elements_support_styles&#039;, 10, 1 );
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