*/ use dokuwiki\Parsing\Parser; class syntax_plugin_mermaid extends \dokuwiki\Extension\SyntaxPlugin { const DOKUWIKI_LINK_START_MERMAID = 'DOKUWIKILINKSTARTMERMAID'; const DOKUWIKI_LINK_END_MERMAID = 'DOKUWIKILINKENDMERMAID'; const DOKUWIKI_LINK_SPLITTER ='--'; function protect_brackets_from_dokuwiki($text) { $splitText = explode(self::DOKUWIKI_LINK_SPLITTER, $text); foreach ($splitText as $key => $line) { $splitText[$key] = preg_replace('/(?Lexer->addEntryPattern('(?=.*?)',$mode,'plugin_mermaid'); } function postConnect() { $this->Lexer->addExitPattern('','plugin_mermaid'); } /** * Handle matches of the Mermaid syntax */ function handle($match, $state, $pos, Doku_Handler $handler) { switch ($state) { case DOKU_LEXER_ENTER: return array($state, $match); case DOKU_LEXER_UNMATCHED: return array($state, $match); case DOKU_LEXER_EXIT: return array($state, ''); } return false; } /** * Render xhtml output or metadata */ function render($mode, Doku_Renderer $renderer, $indata) { if($mode == 'xhtml'){ list($state, $match) = $indata; switch ($state) { case DOKU_LEXER_ENTER: $values = explode(" ", $match); $divwidth = count($values) < 2 ? 'auto' : $values[1]; $divheight = count($values) < 3 ? 'auto' : substr($values[2], 0, -1); $renderer->doc .= '
'; break; case DOKU_LEXER_UNMATCHED: $explodedMatch = explode("\n", $match); $israwmode = isset($explodedMatch[1]) && strpos($explodedMatch[1], 'raw') !== false; if($israwmode) { array_shift($explodedMatch); array_shift($explodedMatch); $actualContent = implode("\n", $explodedMatch); $renderer->doc .= $actualContent; } else { $instructions = $this->p_get_instructions($this->protect_brackets_from_dokuwiki($match)); $xhtml = $this->remove_protection_of_brackets_from_dokuwiki($this->p_render($instructions)); $renderer->doc .= preg_replace("/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/", "\n", $xhtml); } break; case DOKU_LEXER_EXIT: $renderer->doc .= "\r\n
"; break; } return true; } return false; } /* * Get the parser instructions suitable for the mermaid * */ function p_get_instructions($text) { //import parser classes and mode definitions require_once DOKU_INC . 'inc/parser/parser.php'; // https://www.dokuwiki.org/devel:parser // https://www.dokuwiki.org/devel:parser#basic_invocation // Create the parser and the handler $Parser = new Parser(new Doku_Handler()); $modes = array(); // add default modes $std_modes = array( 'internallink', 'media', 'externallink'); foreach($std_modes as $m) { $class = 'dokuwiki\\Parsing\\ParserMode\\'.ucfirst($m); $obj = new $class(); $modes[] = array( 'sort' => $obj->getSort(), 'mode' => $m, 'obj' => $obj ); } // add formatting modes $fmt_modes = array( 'strong', 'emphasis', 'underline', 'monospace', 'subscript', 'superscript', 'deleted'); foreach($fmt_modes as $m) { $obj = new \dokuwiki\Parsing\ParserMode\Formatting($m); $modes[] = array( 'sort' => $obj->getSort(), 'mode' => $m, 'obj' => $obj ); } //add modes to parser foreach($modes as $mode) { $Parser->addMode($mode['mode'],$mode['obj']); } // Do the parsing $p = $Parser->parse($text); return $p; } public function p_render($instructions) { $Renderer = p_get_renderer('mermaid'); // Loop through the instructions foreach ($instructions as $instruction) { if(method_exists($Renderer, $instruction[0])){ call_user_func_array(array(&$Renderer, $instruction[0]), $instruction[1] ? $instruction[1] : array()); } } return $Renderer->doc; } }