| @@ -3,19 +3,24 @@ | ||
| 3 | 3 | * GitHub-Flavoured Markdown. Inspired by Evan's plugin, but modified. |
| 4 | 4 | * |
| 5 | 5 | * @author Evan Solomon |
| 6 | 6 | * @author Matt Wiebe <[email protected]> |
| 7 | + * @author Brandon Kraft <[email protected]> -- Strikedown support converted from GPL code at https://github.com/annaesvensson/yellow-markdown/blob/main/markdown.php | |
| 7 | 8 | * @link https://github.com/evansolomon/wp-github-flavored-markdown-comments |
| 8 | 9 | * |
| 9 | 10 | * Add a few extras from GitHub's Markdown implementation. Must be used in a WordPress environment. |
| 10 | 11 | */ |
| 11 | 12 | |
| 13 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 14 | + exit( 0 ); | |
| 15 | +} | |
| 16 | + | |
| 12 | 17 | class WPCom_GHF_Markdown_Parser extends MarkdownExtra_Parser { |
| 13 | 18 | |
| 14 | 19 | /** |
| 15 | 20 | * Hooray somewhat arbitrary numbers that are fearful of 1.0.x. |
| 16 | 21 | */ |
| 17 | - const WPCOM_GHF_MARDOWN_VERSION = '0.9.0'; | |
| 22 | + const WPCOM_GHF_MARDOWN_VERSION = '0.9.1'; | |
| 18 | 23 | |
| 19 | 24 | /** |
| 20 | 25 | * Use a [code] shortcode when encountering a fenced code block |
| 21 | 26 | * @var boolean |
| @@ -72,8 +77,10 @@ | ||
| 72 | 77 | $this->preserve_shortcodes = apply_filters( 'jetpack_markdown_preserve_shortcodes', $this->preserve_shortcodes ) && function_exists( 'get_shortcode_regex' ); |
| 73 | 78 | $this->preserve_latex = function_exists( 'latex_markup' ); |
| 74 | 79 | $this->strip_paras = function_exists( 'wpautop' ); |
| 75 | 80 | |
| 81 | + $this->span_gamut['do_strikethrough'] = 55; | |
| 82 | + | |
| 76 | 83 | parent::__construct(); |
| 77 | 84 | } |
| 78 | 85 | |
| 79 | 86 | /** |
| @@ -413,7 +420,30 @@ | ||
| 413 | 420 | |
| 414 | 421 | $codeblock = esc_html( $codeblock ); |
| 415 | 422 | $codeblock = sprintf( $this->shortcode_start, $classname ) . "\n{$codeblock}" . $this->shortcode_end; |
| 416 | 423 | return "\n\n" . $this->hashBlock( $codeblock ). "\n\n"; |
| 424 | + } | |
| 425 | + | |
| 426 | + /** | |
| 427 | + * Add strikethrough support. | |
| 428 | + * | |
| 429 | + * GPL code modified from https://github.com/annaesvensson/yellow-markdown/blob/main/markdown.php | |
| 430 | + */ | |
| 431 | + public function do_strikethrough($text) { | |
| 432 | + $parts = preg_split("/(?<![~])(~~)(?![~])/", $text, -1, PREG_SPLIT_DELIM_CAPTURE); | |
| 433 | + if (count($parts)>3) { | |
| 434 | + $text = ""; | |
| 435 | + $open = false; | |
| 436 | + foreach ($parts as $part) { | |
| 437 | + if ($part=="~~") { | |
| 438 | + $text .= $open ? "</del>" : "<del>"; | |
| 439 | + $open = !$open; | |
| 440 | + } else { | |
| 441 | + $text .= $part; | |
| 442 | + } | |
| 443 | + } | |
| 444 | + if ($open) $text .= "</del>"; | |
| 445 | + } | |
| 446 | + return $text; | |
| 417 | 447 | } |
| 418 | 448 | |
| 419 | 449 | } |
