PhutilRemarkupEngineRemarkupSimpleTableBlockRule.php
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	<?php

	final class PhutilRemarkupEngineRemarkupSimpleTableBlockRule
	extends PhutilRemarkupEngineBlockRule {

	public function getMatchingLineCount(array $lines, $cursor) {
	$num_lines = 0;
	while (isset($lines[$cursor])) {
	if (preg_match('/^(\\|.*+\n?)+$/', $lines[$cursor])) {
	$num_lines++;
	$cursor++;
	} else {
	break;
	}
	}

	return $num_lines;
	}

	public function markupText($text, $children) {
	$matches = array();

	$rows = array();
	foreach (explode("\n", $text) as $line) {
	// Ignore ending delimiters.
	$line = rtrim($line, '\|');

	// NOTE: The complexity in this regular expression allows us to match
	// a table like "\| a \| [[ href \| b ]] \| c \|".

	preg_match_all(
	'/\\|'.
	'('.
	'(?:'.
	'(?:\\[\\[.*?\\]\\])'. // [[ ... \| ... ]], a link
	'\|'.
	'(?:[^\|[]+)'. // Anything but "\|" or "[".
	'\|'.
	'(?:\\[[^\\\|[])'. // "[" followed by anything but "[" or "\|"
	')*'.
	')/', $line, $matches);

	$headings = true;
	$cells = array();
	foreach ($matches[1] as $cell) {
	$cell = trim($cell);

	// Cell isn't empty and doesn't look like heading.
	if (!preg_match('/^(\|--+)$/', $cell)) {
	$headings = false;
	}
	$cells[] = array('type' => 'td', 'content' => $this->applyRules($cell));
	}

	if (!$headings) {
	$rows[] = array('type' => 'tr', 'content' => $cells);
	} else if ($rows) {
	// Mark previous row with headings.
	foreach ($cells as $i => $cell) {
	if ($cell['content']) {
	$rows[last_key($rows)]['content'][$i]['type'] = 'th';
	}
	}
	}
	}

	if (!$rows) {
	return $this->applyRules($text);
	}

	return $this->renderRemarkupTable($rows);
	}

	}