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<?php |
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namespace Elementor\Modules\MarkdownRender; |
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|
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use Elementor\Core\Base\Document; |
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use Elementor\Plugin; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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class Markdown_Renderer { |
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|
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public function render( Document $document ): string { |
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$frontmatter = $this->build_frontmatter( $document ); |
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$data = $document->get_elements_data(); |
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|
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if ( empty( $data ) ) { |
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return $frontmatter; |
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} |
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|
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$sections = []; |
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|
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foreach ( $data as $element_data ) { |
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$md = $this->render_element( $element_data ); |
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|
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if ( ! empty( trim( $md ) ) ) { |
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$sections[] = $md; |
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} |
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} |
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|
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$body = implode( "\n\n---\n\n", $sections ); |
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|
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$output = $frontmatter . "\n\n" . $body; |
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|
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return apply_filters( 'elementor/markdown/document_output', $output, $document ); |
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} |
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|
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private function build_frontmatter( Document $document ): string { |
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$post_id = $document->get_main_id(); |
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|
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$lines = [ '---' ]; |
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$lines[] = 'title: "' . $this->escape_yaml_string( get_the_title( $post_id ) ) . '"'; |
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|
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$description = $this->get_meta_description( $post_id ); |
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|
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if ( $description ) { |
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$lines[] = 'description: "' . $this->escape_yaml_string( $description ) . '"'; |
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} |
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|
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$thumbnail = get_the_post_thumbnail_url( $post_id, 'full' ); |
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|
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if ( $thumbnail ) { |
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$lines[] = 'featured_image: "' . esc_url( $thumbnail ) . '"'; |
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} |
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|
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$permalink = get_permalink( $post_id ); |
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|
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if ( is_string( $permalink ) && '' !== $permalink ) { |
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$lines[] = 'url: "' . esc_url( $permalink ) . '"'; |
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} |
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|
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$modified_date = get_the_modified_date( 'c', $post_id ); |
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|
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if ( is_string( $modified_date ) && '' !== $modified_date ) { |
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$lines[] = 'date_modified: "' . $this->escape_yaml_string( $modified_date ) . '"'; |
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} |
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|
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$lines[] = '---'; |
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|
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return implode( "\n", $lines ); |
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} |
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|
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private function get_meta_description( int $post_id ): string { |
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$description = get_post_meta( $post_id, '_yoast_wpseo_metadesc', true ); |
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|
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if ( ! empty( $description ) ) { |
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return $description; |
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} |
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|
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$description = get_post_meta( $post_id, '_aioseo_description', true ); |
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|
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if ( ! empty( $description ) ) { |
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return $description; |
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} |
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|
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$excerpt = get_the_excerpt( $post_id ); |
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|
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return ! empty( $excerpt ) ? $excerpt : ''; |
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} |
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|
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private function render_element( array $element_data ): string { |
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$element = Plugin::$instance->elements_manager->create_element_instance( $element_data ); |
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|
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if ( ! $element ) { |
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return ''; |
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} |
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|
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$markdown = $element->render_markdown(); |
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|
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return apply_filters( 'elementor/markdown/element_output', $markdown, $element, $element_data ); |
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} |
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|
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private function escape_yaml_string( string $value ): string { |
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$value = html_entity_decode( $value, ENT_QUOTES | ENT_HTML5, 'UTF-8' ); |
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$value = str_replace( "\xE2\x80\x8B", '', $value ); |
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$value = preg_replace( '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/', '', $value ); |
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|
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return strtr( $value, [ |
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'\\' => '\\\\', |
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'"' => '\\"', |
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"\n" => '\\n', |
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"\r" => '\\r', |
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"\t" => '\\t', |
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] ); |
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} |
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} |
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|
