]*>(.*)#s', $html, $m ) ) { return $html; } Assets::request(); return self::markup( self::text( $m[1] ), $attrs ); } /** * Code text from the saved HTML (rich-text formatting dropped). * * @param string $html Inner HTML of

.
	 * @return string
	 */
	public static function text( $html ) {
		$html = preg_replace( '##i', "\n", $html );
		return html_entity_decode( wp_strip_all_tags( $html ), ENT_QUOTES | ENT_HTML5, 'UTF-8' );
	}

	/**
	 * Code block markup.
	 *
	 * @param string $code  Code.
	 * @param array  $attrs language, fileName, highlightLines, lineNumbers, wrap, className.
	 * @return string
	 */
	public static function markup( $code, array $attrs ) {
		$lang = Highlighter::language( $attrs['language'] ?? '' );
		$file = trim( (string) ( $attrs['fileName'] ?? '' ) );

		if ( 'mermaid' === $lang ) {
			// Rendered in the browser by Mermaid when diagrams are enabled.
			return '' . esc_html( $code ) . '';
		}

		$marked  = array_flip( Highlighter::lines( (string) ( $attrs['highlightLines'] ?? '' ) ) );
		$numbers = ! empty( $attrs['lineNumbers'] );
		$lines   = explode( "\n", Highlighter::highlight( rtrim( $code, "\n" ), 'diff' === $lang ? 'text' : $lang ) );
		$rows    = array();
		foreach ( $lines as $i => $line ) {
			$class = 'kdocs-line';
			if ( isset( $marked[ $i + 1 ] ) ) {
				$class .= ' is-marked';
			}
			if ( 'diff' === $lang ) {
				$first  = substr( html_entity_decode( wp_strip_all_tags( $line ), ENT_QUOTES, 'UTF-8' ), 0, 1 );
				$class .= '+' === $first ? ' is-add' : ( '-' === $first ? ' is-del' : '' );
			}
			$rows[] = '' . ( '' === $line ? ' ' : $line ) . '';
		}

		$classes = array( 'kdocs-codeblock' );
		if ( $numbers ) {
			$classes[] = 'has-numbers';
		}
		if ( ! empty( $attrs['wrap'] ) ) {
			$classes[] = 'is-wrapped';
		}
		if ( ! empty( $attrs['className'] ) ) {
			$classes[] = sanitize_html_class( $attrs['className'] );
		}
		$label = $file ? $file : ( 'text' === $lang ? '' : Highlighter::LANGUAGES[ $lang ] );

		$out  = '';
		$out .= '';
		$out .= '' . esc_html( $label ) . '';
		$out .= '';
		$out .= '';
		$out .= '' . implode( "\n", $rows ) . '';
		return $out . '';
	}
}