init

vendor/cebe/markdown/block/TableTrait.php

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