s9e\TextFormatter\Plugins\TaskLists\Helper

Complexity

Total Complexity

7

Size/Duplication

Total Lines	56
Duplicated Lines	0 %

Test Coverage

Coverage

94.74%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	x()	0	2	1
A	getStats()	0	15	3
A	filterListItem()	0	22	3

<?php declare(strict_types=1);

/**
* @package   s9e\TextFormatter
* @copyright Copyright (c) 2010-2020 The s9e authors
* @license   http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Plugins\TaskLists;

use s9e\TextFormatter\Parser;
use s9e\TextFormatter\Parser\Tag;

class Helper
{
	public static function filterListItem(Parser $parser, Tag $listItem, string $text): void
	{
		// Test whether the list item is followed by a task checkbox
		$pos  = $listItem->getPos() + $listItem->getLen();
		$pos += strspn($text, ' ', $pos);
		$str  = substr($text, $pos, 3);
		if (!preg_match('/\\[[ Xx]\\]/', $str))
		{
			return;
		}

		// Create a tag for the task and assign it a random ID
		$taskId = uniqid();
		$task   = $parser->addSelfClosingTag('TASK', $pos, 3);
		$task->setAttribute('id', $taskId);
		if ($str !== '[ ]')
		{
			$task->setAttribute('state', 'checked');
		}

		// Copy the task's ID to the list item
		$listItem->setAttribute('task_id', $taskId);
	}

	/**
	* 
	*
	* @return void
	*/
	public static function x()
	{
	}

	/**
	* Return stats from a parsed representation
	*
	* @param  string $xml Parsed XML
	* @return array       Number of "checked" and "unchecked" tasks
	*/
	public static function getStats(string $xml): array
	{
		$stats = [
			'checked'   => 0,
			'unchecked' => 0
		];

		preg_match_all('(<TASK(?= )[^>]++)', $xml, $m);
		foreach ($m[0] as $str)
		{
			$state = (strpos($str, 'state="checked"')) ? 'checked' : 'unchecked';
			++$stats[$state];
		}

		return $stats;
	}
}