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122 lines
3.2 KiB
122 lines
3.2 KiB
<?php |
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/** |
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* @copyright Copyright (c) 2014 Carsten Brandt |
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* @license https://github.com/cebe/markdown/blob/master/LICENSE |
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* @link https://github.com/cebe/markdown#readme |
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*/ |
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namespace cebe\markdown\block; |
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/** |
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* Adds the table blocks |
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*/ |
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trait TableTrait |
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{ |
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private $_tableCellTag = 'td'; |
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private $_tableCellCount = 0; |
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private $_tableCellAlign = []; |
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/** |
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* identify a line as the beginning of a table block. |
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*/ |
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protected function identifyTable($line, $lines, $current) |
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{ |
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return strpos($line, '|') !== false && isset($lines[$current + 1]) |
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&& preg_match('~^\\s*\\|?(\\s*:?-[\\-\\s]*:?\\s*\\|\\s*:?-[\\-\\s]*:?\\s*)+\\|?\\s*$~', $lines[$current + 1]); |
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} |
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/** |
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* Consume lines for a table |
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*/ |
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protected function consumeTable($lines, $current) |
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{ |
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// consume until newline |
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$block = [ |
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'table', |
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'cols' => [], |
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'rows' => [], |
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]; |
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$beginsWithPipe = $lines[$current][0] === '|'; |
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for ($i = $current, $count = count($lines); $i < $count; $i++) { |
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$line = rtrim($lines[$i]); |
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// extract alignment from second line |
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if ($i == $current+1) { |
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$cols = explode('|', trim($line, ' |')); |
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foreach($cols as $col) { |
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$col = trim($col); |
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if (empty($col)) { |
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$block['cols'][] = ''; |
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continue; |
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} |
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$l = ($col[0] === ':'); |
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$r = (substr($col, -1, 1) === ':'); |
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if ($l && $r) { |
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$block['cols'][] = 'center'; |
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} elseif ($l) { |
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$block['cols'][] = 'left'; |
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} elseif ($r) { |
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$block['cols'][] = 'right'; |
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} else { |
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$block['cols'][] = ''; |
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} |
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} |
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continue; |
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} |
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if ($line === '' || $beginsWithPipe && $line[0] !== '|') { |
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break; |
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} |
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if ($line[0] === '|') { |
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$line = substr($line, 1); |
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} |
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if (substr($line, -1, 1) === '|' && (substr($line, -2, 2) !== '\\|' || substr($line, -3, 3) === '\\\\|')) { |
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$line = substr($line, 0, -1); |
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} |
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$block['rows'][] = $line; |
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} |
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return [$block, --$i]; |
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} |
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/** |
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* render a table block |
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*/ |
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protected function renderTable($block) |
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{ |
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$content = ''; |
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$this->_tableCellAlign = $block['cols']; |
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$content .= "<thead>\n"; |
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$first = true; |
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foreach($block['rows'] as $row) { |
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$this->_tableCellTag = $first ? 'th' : 'td'; |
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$align = empty($this->_tableCellAlign[$this->_tableCellCount]) ? '' : ' align="' . $this->_tableCellAlign[$this->_tableCellCount] . '"'; |
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$this->_tableCellCount++; |
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$tds = "<$this->_tableCellTag$align>" . trim($this->renderAbsy($this->parseInline($row))) . "</$this->_tableCellTag>"; // TODO move this to the consume step |
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$content .= "<tr>$tds</tr>\n"; |
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if ($first) { |
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$content .= "</thead>\n<tbody>\n"; |
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} |
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$first = false; |
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$this->_tableCellCount = 0; |
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} |
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return "<table>\n$content</tbody>\n</table>\n"; |
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} |
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/** |
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* @marker | |
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*/ |
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protected function parseTd($markdown) |
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{ |
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if (isset($this->context[1]) && $this->context[1] === 'table') { |
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$align = empty($this->_tableCellAlign[$this->_tableCellCount]) ? '' : ' align="' . $this->_tableCellAlign[$this->_tableCellCount] . '"'; |
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$this->_tableCellCount++; |
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return [['text', "</$this->_tableCellTag><$this->_tableCellTag$align>"], isset($markdown[1]) && $markdown[1] === ' ' ? 2 : 1]; // TODO make a absy node |
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} |
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return [['text', $markdown[0]], 1]; |
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} |
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abstract protected function parseInline($text); |
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abstract protected function renderAbsy($absy); |
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}
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