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File Content: `AbstractTemplateCompatibility.php`

<?php
namespace Automattic\WooCommerce\Blocks\Templates;

/**
 * AbstractTemplateCompatibility class.
 *
 * To bridge the gap on compatibility with PHP hooks and blockified templates.
 *
 * @internal
 */
abstract class AbstractTemplateCompatibility {
	/**
	 * The data of supported hooks, containing the hook name, the block name,
	 * position, and the callbacks.
	 *
	 * @var array $hook_data The hook data.
	 */
	protected $hook_data;

	/**
	 * Initialization method.
	 */
	public function init() {
		$this->set_hook_data();

		add_filter(
			'render_block_data',
			function ( $parsed_block, $source_block, $parent_block ) {
				/**
				* Filter to disable the compatibility layer for the blockified templates.
				*
				* This hook allows to disable the compatibility layer for the blockified templates.
				*
				* @since 7.6.0
				* @param boolean.
				*/
				$is_disabled_compatility_layer = apply_filters( 'woocommerce_disable_compatibility_layer', false );

				if ( $is_disabled_compatility_layer ) {
					return $parsed_block;
				}

				return $this->update_render_block_data( $parsed_block, $source_block, $parent_block );
			},
			10,
			3
		);

		add_filter(
			'render_block',
			function ( $block_content, $block ) {
				/**
				* Filter to disable the compatibility layer for the blockified templates.
				*
				* This hook allows to disable the compatibility layer for the blockified.
				*
				* @since 7.6.0
				* @param boolean.
				*/
				$is_disabled_compatibility_layer = apply_filters( 'woocommerce_disable_compatibility_layer', false );

				if ( $is_disabled_compatibility_layer ) {
					return $block_content;
				}

				return $this->inject_hooks( $block_content, $block );
			},
			10,
			2
		);
	}

	/**
	 * Update the render block data to inject our custom attribute needed to
	 * determine which blocks belong to an inherited Products block.
	 *
	 * @param array         $parsed_block The block being rendered.
	 * @param array         $source_block An un-modified copy of $parsed_block, as it appeared in the source content.
	 * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
	 *
	 * @return array
	 */
	abstract public function update_render_block_data( $parsed_block, $source_block, $parent_block );

	/**
	 * Inject hooks to rendered content of corresponding blocks.
	 *
	 * @param mixed $block_content The rendered block content.
	 * @param mixed $block         The parsed block data.
	 * @return string
	 */
	abstract public function inject_hooks( $block_content, $block );

	/**
	 * The hook data to inject to the rendered content of blocks. This also
	 * contains hooked functions that will be removed by remove_default_hooks.
	 *
	 * The array format:
	 * [
	 *   <hook-name> => [
	 *     block_names => [ <block-name>, ... ],
	 *     position => before|after,
	 *     hooked => [
	 *       <function-name> => <priority>,
	 *        ...
	 *     ],
	 *  ],
	 * ]
	 * Where:
	 * - hook-name is the name of the hook that will be replaced.
	 * - block-names is the array block names that hook will be attached to.
	 * - position is the position of the block relative to the hook.
	 * - hooked is an array of functions hooked to the hook that will be
	 *   replaced. The key is the function name and the value is the
	 *   priority.
	 */
	abstract protected function set_hook_data();

	/**
	 * Remove the default callback added by WooCommerce. We replaced these
	 * callbacks by blocks so we have to remove them to prevent duplicated
	 * content.
	 */
	protected function remove_default_hooks() {
		foreach ( $this->hook_data as $hook => $data ) {
			if ( ! isset( $data['hooked'] ) ) {
				continue;
			}
			foreach ( $data['hooked'] as $callback => $priority ) {
				remove_action( $hook, $callback, $priority );
			}
		}
		$class_name = basename( str_replace( '\\', '/', get_class( $this ) ) );

		/**
		 * When extensions implement their equivalent blocks of the template
		 * hook functions, they can use this filter to register their old hooked
		 * data here, so in the blockified template, the old hooked functions
		 * can be removed in favor of the new blocks while keeping the old
		 * hooked functions working in classic templates.
		 *
		 * Accepts an array of hooked data. The array should be in the following
		 * format:
		 * [
		 *   [
		 *     hook => <hook-name>,
		 *     function => <function-name>,
		 *     priority => <priority>,
		 *  ],
		 *  ...
		 * ]
		 * Where:
		 * - hook-name is the name of the hook that have the functions hooked to.
		 * - function-name is the hooked function name.
		 * - priority is the priority of the hooked function.
		 *
		 * @since 9.5.0
		 * @param array $data Additional hooked data. Default to empty
		 * @param string $class_name Class name within which the hook is called.
		 * Either ArchiveProductTemplatesCompatibility or SingleProductTemplateCompatibility.
		 */
		$additional_hook_data = apply_filters( 'woocommerce_blocks_hook_compatibility_additional_data', array(), $class_name );

		if ( empty( $additional_hook_data ) || ! is_array( $additional_hook_data ) ) {
			return;
		}

		foreach ( $additional_hook_data as $data ) {
			if ( ! isset( $data['hook'], $data['function'], $data['priority'] ) ) {
				continue;
			}
			remove_action( $data['hook'], $data['function'], $data['priority'] );
		}
	}

	/**
	 * Get the buffer content of the hooks to append/prepend to render content.
	 *
	 * @param array  $hooks    The hooks to be rendered.
	 * @param string $position The position of the hooks.
	 *
	 * @return string
	 */
	protected function get_hooks_buffer( $hooks, $position ) {
		ob_start();
		foreach ( $hooks as $hook => $data ) {
			if ( $data['position'] === $position ) {
				/**
				 * Action to render the content of a hook.
				 *
				 * @since 9.5.0
				 */
				do_action( $hook );
			}
		}
		return ob_get_clean();
	}
}

Name	Size	Permission
AbstractPageTemplate.php	1855 bytes	0644
AbstractTemplate.php	737 bytes	0644
AbstractTemplateCompatibility.php	5894 bytes	0644
AbstractTemplatePart.php	332 bytes	0644
AbstractTemplateWithFallback.php	1441 bytes	0644
ArchiveProductTemplatesCompatibility.php	12726 bytes	0644
CartTemplate.php	2008 bytes	0644
CheckoutHeaderTemplate.php	863 bytes	0644
CheckoutTemplate.php	2047 bytes	0644
ClassicTemplatesCompatibility.php	2430 bytes	0644
ComingSoonSocialLinksTemplate.php	1132 bytes	0644
ComingSoonTemplate.php	2642 bytes	0644
ExternalProductAddToCartWithOptionsTemplate.php	1021 bytes	0644
GroupedProductAddToCartWithOptionsTemplate.php	1016 bytes	0644
MiniCartTemplate.php	1714 bytes	0644
OrderConfirmationTemplate.php	1618 bytes	0644
ProductAttributeTemplate.php	2770 bytes	0644
ProductBrandTemplate.php	1791 bytes	0644
ProductCatalogTemplate.php	2330 bytes	0644
ProductCategoryTemplate.php	1797 bytes	0644
ProductSearchResultsTemplate.php	2082 bytes	0644
ProductTagTemplate.php	1777 bytes	0644
SimpleProductAddToCartWithOptionsTemplate.php	1011 bytes	0644
SingleProductTemplate.php	9408 bytes	0644
SingleProductTemplateCompatibility.php	14774 bytes	0644
VariableProductAddToCartWithOptionsTemplate.php	1021 bytes	0644

File Content: AbstractTemplateCompatibility.php

File Content: `AbstractTemplateCompatibility.php`