switch to component

Author: mogmarsh

admin/apple-actions/index/class-export.php

@@ -18,7 +18,6 @@
 use Apple_Exporter\Exporter_Content_Settings;
 use Apple_Exporter\Theme;
 use Apple_Exporter\Third_Party\Jetpack_Tiled_Gallery;
-use Apple_Exporter\Footnotes;
 use Apple_News;
 use BC_Setup;
 
@@ -59,7 +58,6 @@ public function __construct( $settings, $id = null, $sections = null ) {
 		$this->id = $id;
 		$this->set_theme();
 		Jetpack_Tiled_Gallery::instance();
-		Footnotes::instance();
 	}
 
 	/**

includes/apple-exporter/class-component-factory.php

@@ -102,6 +102,7 @@ public static function initialize(
 		self::register_component( 'audio', '\\Apple_Exporter\\Components\\Audio' );
 		self::register_component( 'heading', '\\Apple_Exporter\\Components\\Heading' );
 		self::register_component( 'blockquote', '\\Apple_Exporter\\Components\\Quote' );
+		self::register_component( 'footnotes', '\\Apple_Exporter\\Components\\Footnotes' );
 		self::register_component( 'p', '\\Apple_Exporter\\Components\\Body' );
 		self::register_component( 'ol', '\\Apple_Exporter\\Components\\Body' );
 		self::register_component( 'ul', '\\Apple_Exporter\\Components\\Body' );

includes/apple-exporter/class-footnotes.php

@@ -0,0 +1,98 @@
+<?php
+/**
+ * Publish to Apple News: \Apple_Exporter\Components\Footnotes class
+ *
+ * @package Apple_News
+ * @subpackage Apple_Exporter\Components
+ */
+
+namespace Apple_Exporter\Components;
+
+/**
+ * A translation of the WordPress Footnotes block.
+ *
+ * @since 0.2.5
+ */
+class Footnotes extends Component {
+
+	/**
+	 * Look for node matches for this component.
+	 *
+	 * @param \DOMElement $node The node to examine for matches.
+	 * @access public
+	 * @return \DOMElement|null The node on success, or null on no match.
+	 */
+	public static function node_matches( $node ) {
+		if (
+			'ol' === $node->nodeName &&
+			self::node_has_class( $node, 'wp-block-footnotes' )
+		) {
+			return $node;
+		}
+
+		return null;
+	}
+
+	/**
+	 * Register all specs for the component.
+	 *
+	 * @access public
+	 */
+	public function register_specs() {
+		$this->register_spec(
+			'footnotes-json',
+			__( 'Footnotes JSON', 'apple-news' ),
+			[
+				'role'       => 'container',
+				'layout'     => 'body-layout',
+				'components' => '#components#',
+			]
+		);
+
+		$this->register_spec(
+			'footnote-json',
+			__( 'Footnote JSON', 'apple-news' ),
+			[
+				'role'       => 'text',
+				'text'       => '#text#',
+				'identifier' => '#identifier#',
+			]
+		);
+
+	}
+
+	/**
+	 * Build the component.
+	 *
+	 * @param string $html The HTML to parse into text for processing.
+	 * @access protected
+	 */
+	protected function build( $html ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
+		preg_match_all( '/<li.*?>.*?<\/li>/', $html, $matches );
+		$items = $matches[0];
+
+		// convert each list item to a paragraph with a number added.
+		foreach ( $items as $key => $item ) {
+			$count = $key + 1;
+			$text = preg_replace(
+				'/<li(.*?)>(.*?)<\/li>/',
+				"<p$1>${count}. $2</p>",
+				$item
+			);
+			preg_match( '/id="(.*?)"/', $text, $matches );
+			$id = $matches[1] ?? null;
+			$components[] = [
+				'role'       => 'body',
+				'text'       => $text,
+				'format'     => 'html',
+				'identifier' => $id,
+			];
+		}
+		$this->register_json(
+			'footnotes-json',
+			[
+				'#components#' => $components,
+			]
+		);
+	}
+}