山に住む一家は千個の巣から蜂蜜を収穫し、幼い子供たちは新しい畑で5エーカーの野菜を栽培している。
* @copyright 2015 Smiley
* @license MIT
*/
namespace YoastSEO_Vendor\chillerlan\QRCode;
use YoastSEO_Vendor\chillerlan\QRCode\Data\AlphaNum;
use YoastSEO_Vendor\chillerlan\QRCode\Data\Byte;
use YoastSEO_Vendor\chillerlan\QRCode\Data\Kanji;
use YoastSEO_Vendor\chillerlan\QRCode\Data\MaskPatternTester;
use YoastSEO_Vendor\chillerlan\QRCode\Data\Number;
use YoastSEO_Vendor\chillerlan\QRCode\Data\QRCodeDataException;
use YoastSEO_Vendor\chillerlan\QRCode\Data\QRDataInterface;
use YoastSEO_Vendor\chillerlan\QRCode\Output\QRCodeOutputException;
use YoastSEO_Vendor\chillerlan\QRCode\Output\QRImage;
use YoastSEO_Vendor\chillerlan\QRCode\Output\QRMarkup;
use YoastSEO_Vendor\chillerlan\QRCode\Output\QROutputInterface;
use YoastSEO_Vendor\chillerlan\QRCode\Output\QRString;
use YoastSEO_Vendor\chillerlan\QRCode\Traits\ClassLoader;
/**
* Turns a text string into a Model 2 QR Code
*
* @link https://github.com/kazuhikoarase/qrcode-generator/tree/master/php
* @link http://www.qrcode.com/en/codes/model12.html
* @link http://www.thonky.com/qr-code-tutorial/
*/
class QRCode
{
use ClassLoader;
/**
* API constants
*/
const OUTPUT_MARKUP_HTML = 'html';
const OUTPUT_MARKUP_SVG = 'svg';
# const OUTPUT_MARKUP_XML = 'xml'; // anyone?
const OUTPUT_IMAGE_PNG = 'png';
const OUTPUT_IMAGE_JPG = 'jpg';
const OUTPUT_IMAGE_GIF = 'gif';
const OUTPUT_STRING_JSON = 'json';
const OUTPUT_STRING_TEXT = 'text';
const OUTPUT_CUSTOM = 'custom';
const VERSION_AUTO = -1;
const MASK_PATTERN_AUTO = -1;
const ECC_L = 0b1;
// 7%.
const ECC_M = 0b0;
// 15%.
const ECC_Q = 0b11;
// 25%.
const ECC_H = 0b10;
// 30%.
const DATA_NUMBER = 0b1;
const DATA_ALPHANUM = 0b10;
const DATA_BYTE = 0b100;
const DATA_KANJI = 0b1000;
const ECC_MODES = [self::ECC_L => 0, self::ECC_M => 1, self::ECC_Q => 2, self::ECC_H => 3];
const DATA_MODES = [self::DATA_NUMBER => 0, self::DATA_ALPHANUM => 1, self::DATA_BYTE => 2, self::DATA_KANJI => 3];
const OUTPUT_MODES = [\YoastSEO_Vendor\chillerlan\QRCode\Output\QRMarkup::class => [self::OUTPUT_MARKUP_SVG, self::OUTPUT_MARKUP_HTML], \YoastSEO_Vendor\chillerlan\QRCode\Output\QRImage::class => [self::OUTPUT_IMAGE_PNG, self::OUTPUT_IMAGE_GIF, self::OUTPUT_IMAGE_JPG], \YoastSEO_Vendor\chillerlan\QRCode\Output\QRString::class => [self::OUTPUT_STRING_JSON, self::OUTPUT_STRING_TEXT]];
/**
* @var \chillerlan\QRCode\QROptions
*/
protected $options;
/**
* @var \chillerlan\QRCode\Data\QRDataInterface
*/
protected $dataInterface;
/**
* QRCode constructor.
*
* @param \chillerlan\QRCode\QROptions|null $options
*/
public function __construct(\YoastSEO_Vendor\chillerlan\QRCode\QROptions $options = null)
{
\mb_internal_encoding('UTF-8');
$this->setOptions($options instanceof \YoastSEO_Vendor\chillerlan\QRCode\QROptions ? $options : new \YoastSEO_Vendor\chillerlan\QRCode\QROptions());
}
/**
* Sets the options, called internally by the constructor
*
* @param \chillerlan\QRCode\QROptions $options
*
* @return \chillerlan\QRCode\QRCode
* @throws \chillerlan\QRCode\QRCodeException
*/
public function setOptions(\YoastSEO_Vendor\chillerlan\QRCode\QROptions $options)
{
if (!\array_key_exists($options->eccLevel, $this::ECC_MODES)) {
throw new \YoastSEO_Vendor\chillerlan\QRCode\QRCodeException('Invalid error correct level: ' . $options->eccLevel);
}
if (!\is_array($options->imageTransparencyBG) || \count($options->imageTransparencyBG) < 3) {
$options->imageTransparencyBG = [255, 255, 255];
}
$options->version = (int) $options->version;
// clamp min/max version number
$options->versionMin = (int) \min($options->versionMin, $options->versionMax);
$options->versionMax = (int) \max($options->versionMin, $options->versionMax);
$this->options = $options;
return $this;
}
/**
* Renders a QR Code for the given $data and QROptions
*
* @param string $data
*
* @return mixed
*/
public function render($data)
{
return $this->initOutputInterface($data)->dump();
}
/**
* Returns a QRMatrix object for the given $data and current QROptions
*
* @param string $data
*
* @return \chillerlan\QRCode\Data\QRMatrix
* @throws \chillerlan\QRCode\Data\QRCodeDataException
*/
public function getMatrix($data)
{
$data = \trim($data);
if (empty($data)) {
throw new \YoastSEO_Vendor\chillerlan\QRCode\Data\QRCodeDataException('QRCode::getMatrix() No data given.');
}
$this->dataInterface = $this->initDataInterface($data);
$maskPattern = $this->options->maskPattern === $this::MASK_PATTERN_AUTO ? $this->getBestMaskPattern() : \max(7, \min(0, (int) $this->options->maskPattern));
$matrix = $this->dataInterface->initMatrix($maskPattern);
if ((bool) $this->options->addQuietzone) {
$matrix->setQuietZone($this->options->quietzoneSize);
}
return $matrix;
}
/**
* shoves a QRMatrix through the MaskPatternTester to find the lowest penalty mask pattern
*
* @see \chillerlan\QRCode\Data\MaskPatternTester
*
* @return int
*/
protected function getBestMaskPattern()
{
$penalties = [];
$tester = new \YoastSEO_Vendor\chillerlan\QRCode\Data\MaskPatternTester();
for ($testPattern = 0; $testPattern < 8; $testPattern++) {
$matrix = $this->dataInterface->initMatrix($testPattern, \true);
$tester->setMatrix($matrix);
$penalties[$testPattern] = $tester->testPattern();
}
return \array_search(\min($penalties), $penalties, \true);
}
/**
* returns a fresh QRDataInterface for the given $data
*
* @param string $data
*
* @return \chillerlan\QRCode\Data\QRDataInterface
* @throws \chillerlan\QRCode\Data\QRCodeDataException
*/
public function initDataInterface($data)
{
$DATA_MODES = [\YoastSEO_Vendor\chillerlan\QRCode\Data\Number::class => 'Number', \YoastSEO_Vendor\chillerlan\QRCode\Data\AlphaNum::class => 'AlphaNum', \YoastSEO_Vendor\chillerlan\QRCode\Data\Kanji::class => 'Kanji', \YoastSEO_Vendor\chillerlan\QRCode\Data\Byte::class => 'Byte'];
foreach ($DATA_MODES as $dataInterface => $mode) {
if (\call_user_func_array([$this, 'is' . $mode], [$data]) === \true) {
return $this->loadClass($dataInterface, \YoastSEO_Vendor\chillerlan\QRCode\Data\QRDataInterface::class, $this->options, $data);
}
}
throw new \YoastSEO_Vendor\chillerlan\QRCode\Data\QRCodeDataException('invalid data type');
// @codeCoverageIgnore
}
/**
* returns a fresh (built-in) QROutputInterface
*
* @param string $data
*
* @return \chillerlan\QRCode\Output\QROutputInterface
* @throws \chillerlan\QRCode\Output\QRCodeOutputException
*/
protected function initOutputInterface($data)
{
if ($this->options->outputType === $this::OUTPUT_CUSTOM && $this->options->outputInterface !== null) {
return $this->loadClass($this->options->outputInterface, \YoastSEO_Vendor\chillerlan\QRCode\Output\QROutputInterface::class, $this->options, $this->getMatrix($data));
}
foreach ($this::OUTPUT_MODES as $outputInterface => $modes) {
if (\in_array($this->options->outputType, $modes, \true)) {
return $this->loadClass($outputInterface, \YoastSEO_Vendor\chillerlan\QRCode\Output\QROutputInterface::class, $this->options, $this->getMatrix($data));
}
}
throw new \YoastSEO_Vendor\chillerlan\QRCode\Output\QRCodeOutputException('invalid output type');
}
/**
* checks if a string qualifies as numeric
*
* @param string $string
*
* @return bool
*/
public function isNumber($string)
{
$len = \strlen($string);
$map = \str_split('0123456789');
for ($i = 0; $i < $len; $i++) {
if (!\in_array($string[$i], $map, \true)) {
return \false;
}
}
return \true;
}
/**
* checks if a string qualifies as alphanumeric
*
* @param string $string
*
* @return bool
*/
public function isAlphaNum($string)
{
$len = \strlen($string);
for ($i = 0; $i < $len; $i++) {
if (!\in_array($string[$i], \YoastSEO_Vendor\chillerlan\QRCode\Data\AlphaNum::CHAR_MAP, \true)) {
return \false;
}
}
return \true;
}
/**
* checks if a string qualifies as Kanji
*
* @param string $string
*
* @return bool
*/
public function isKanji($s