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