1be906b56SAndreas Gohr<?php 2be906b56SAndreas Gohr 3be906b56SAndreas Gohrnamespace dokuwiki\Parsing\ParserMode; 4be906b56SAndreas Gohr 571096e46SAndreas Gohruse dokuwiki\Parsing\Handler; 671096e46SAndreas Gohruse dokuwiki\Parsing\Handler\Preformatted as PreformattedHandler; 77958e698SAndreas Gohr 8be906b56SAndreas Gohrclass Preformatted extends AbstractMode 9be906b56SAndreas Gohr{ 10be906b56SAndreas Gohr /** @inheritdoc */ 1171096e46SAndreas Gohr public function getSort() 1271096e46SAndreas Gohr { 1371096e46SAndreas Gohr return 20; 1471096e46SAndreas Gohr } 1571096e46SAndreas Gohr 16b1c59bedSAndreas Gohr /** 17b1c59bedSAndreas Gohr * Number of leading spaces that trigger a preformatted block. 18b1c59bedSAndreas Gohr * 19b1c59bedSAndreas Gohr * DokuWiki's historical value is 2 spaces; Markdown uses 4. When 20*13a62f81SAndreas Gohr * `$conf['syntax']` is `md` or `md+dw` (Markdown preferred), 21b1c59bedSAndreas Gohr * we flip to 4 so indented code blocks match GFM. A single tab is 22b1c59bedSAndreas Gohr * always a trigger regardless of the space threshold. 23b1c59bedSAndreas Gohr */ 24b1c59bedSAndreas Gohr protected function getIndentWidth(): int 25b1c59bedSAndreas Gohr { 26b1c59bedSAndreas Gohr global $conf; 27*13a62f81SAndreas Gohr return in_array($conf['syntax'], ['md', 'md+dw'], true) ? 4 : 2; 28b1c59bedSAndreas Gohr } 29b1c59bedSAndreas Gohr 3071096e46SAndreas Gohr /** @inheritdoc */ 31be906b56SAndreas Gohr public function connectTo($mode) 32be906b56SAndreas Gohr { 33b1c59bedSAndreas Gohr $indent = str_repeat(' ', $this->getIndentWidth()); 34b1c59bedSAndreas Gohr 3596d096f1SAndreas Gohr $this->Lexer->addEntryPattern('\n' . $indent, $mode, 'preformatted'); 3696d096f1SAndreas Gohr $this->Lexer->addEntryPattern('\n\t', $mode, 'preformatted'); 37be906b56SAndreas Gohr 38259e91d9SAndreas Gohr // match continuation lines inside the preformatted block 39b1c59bedSAndreas Gohr $this->Lexer->addPattern('\n' . $indent, 'preformatted'); 40be906b56SAndreas Gohr $this->Lexer->addPattern('\n\t', 'preformatted'); 41be906b56SAndreas Gohr } 42be906b56SAndreas Gohr 43be906b56SAndreas Gohr /** @inheritdoc */ 44be906b56SAndreas Gohr public function postConnect() 45be906b56SAndreas Gohr { 46be906b56SAndreas Gohr $this->Lexer->addExitPattern('\n', 'preformatted'); 47be906b56SAndreas Gohr } 48be906b56SAndreas Gohr 49be906b56SAndreas Gohr /** @inheritdoc */ 5071096e46SAndreas Gohr public function handle($match, $state, $pos, Handler $handler) 51be906b56SAndreas Gohr { 5271096e46SAndreas Gohr switch ($state) { 5371096e46SAndreas Gohr case DOKU_LEXER_ENTER: 5471096e46SAndreas Gohr $handler->setCallWriter(new PreformattedHandler($handler->getCallWriter())); 5571096e46SAndreas Gohr $handler->addCall('preformatted_start', [], $pos); 5671096e46SAndreas Gohr break; 5771096e46SAndreas Gohr case DOKU_LEXER_EXIT: 5871096e46SAndreas Gohr $handler->addCall('preformatted_end', [], $pos); 5971096e46SAndreas Gohr /** @var PreformattedHandler $reWriter */ 6071096e46SAndreas Gohr $reWriter = $handler->getCallWriter(); 6171096e46SAndreas Gohr $handler->setCallWriter($reWriter->process()); 6271096e46SAndreas Gohr break; 6371096e46SAndreas Gohr case DOKU_LEXER_MATCHED: 6471096e46SAndreas Gohr $handler->addCall('preformatted_newline', [], $pos); 6571096e46SAndreas Gohr break; 6671096e46SAndreas Gohr case DOKU_LEXER_UNMATCHED: 6771096e46SAndreas Gohr $handler->addCall('preformatted_content', [$match], $pos); 6871096e46SAndreas Gohr break; 6971096e46SAndreas Gohr } 7071096e46SAndreas Gohr 7171096e46SAndreas Gohr return true; 72be906b56SAndreas Gohr } 73be906b56SAndreas Gohr} 74