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<?php
/**
* Class QRDataModeAbstract
*
* @created 19.11.2020
* @author smiley <smiley@chillerlan.net>
* @copyright 2020 smiley
* @license MIT
*/
namespace chillerlan\QRCode\Data;
use chillerlan\QRCode\Common\Mode;
/**
* abstract methods for the several data modes
*/
abstract class QRDataModeAbstract implements QRDataModeInterface{
/**
* The data to write
*/
protected string $data;
/**
* QRDataModeAbstract constructor.
*
* @throws \chillerlan\QRCode\Data\QRCodeDataException
*/
public function __construct(string $data){
$data = $this::convertEncoding($data);
if(!$this::validateString($data)){
throw new QRCodeDataException('invalid data');
}
$this->data = $data;
}
/**
* returns the character count of the $data string
*/
protected function getCharCount():int{
return strlen($this->data);
}
/**
* @inheritDoc
*/
public static function convertEncoding(string $string):string{
return $string;
}
/**
* shortcut
*/
protected static function getLengthBits(int $versionNumber):int{
return Mode::getLengthBitsForVersion(static::DATAMODE, $versionNumber);
}
}
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