s9e\RegexpBuilder\Output\Utf8

Complexity

Total Complexity

4

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	outputValidValue()	0	21	4

<?php

/**
* @package   s9e\RegexpBuilder
* @copyright Copyright (c) 2016 The s9e Authors
* @license   http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\RegexpBuilder\Output;

class Utf8 extends BaseImplementation
{
	/** {@inheritdoc} */
	protected $maxValue = 0x10FFFF;

	/**
	* {@inheritdoc}
	*/
	protected function outputValidValue($value)
	{
		if ($value < 0x80)
		{
			return chr($value);
		}
		if ($value < 0x800)
		{
			return chr(0xC0 | ($value >> 6)) . chr(0x80 | ($value & 0x3F));
		}
		if ($value < 0x10000)
		{
			return chr(0xE0 | ($value >> 12))
			     . chr(0x80 | (($value >> 6) & 0x3F))
			     . chr(0x80 | ($value & 0x3F));
		}
		return chr(0xF0 | ($value >> 18))
		     . chr(0x80 | (($value >> 12) & 0x3F))
		     . chr(0x80 | (($value >> 6) & 0x3F))
		     . chr(0x80 | ($value & 0x3F));
	}
}