diff options
Diffstat (limited to 'vendor/chillerlan/php-qrcode/src/Data/QRDataAbstract.php')
-rw-r--r-- | vendor/chillerlan/php-qrcode/src/Data/QRDataAbstract.php | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/vendor/chillerlan/php-qrcode/src/Data/QRDataAbstract.php b/vendor/chillerlan/php-qrcode/src/Data/QRDataAbstract.php deleted file mode 100644 index 72b67b7b9..000000000 --- a/vendor/chillerlan/php-qrcode/src/Data/QRDataAbstract.php +++ /dev/null @@ -1,311 +0,0 @@ -<?php -/** - * Class QRDataAbstract - * - * @filesource QRDataAbstract.php - * @created 25.11.2015 - * @package chillerlan\QRCode\Data - * @author Smiley <smiley@chillerlan.net> - * @copyright 2015 Smiley - * @license MIT - */ - -namespace chillerlan\QRCode\Data; - -use chillerlan\QRCode\QRCode; -use chillerlan\QRCode\Helpers\{BitBuffer, Polynomial}; -use chillerlan\Settings\SettingsContainerInterface; - -use function array_fill, array_merge, count, max, mb_convert_encoding, mb_detect_encoding, range, sprintf, strlen; - -/** - * Processes the binary data and maps it on a matrix which is then being returned - */ -abstract class QRDataAbstract implements QRDataInterface{ - - /** - * the string byte count - */ - protected ?int $strlen = null; - - /** - * the current data mode: Num, Alphanum, Kanji, Byte - */ - protected int $datamode; - - /** - * mode length bits for the version breakpoints 1-9, 10-26 and 27-40 - * - * ISO/IEC 18004:2000 Table 3 - Number of bits in Character Count Indicator - */ - protected array $lengthBits = [0, 0, 0]; - - /** - * current QR Code version - */ - protected int $version; - - /** - * ECC temp data - */ - protected array $ecdata; - - /** - * ECC temp data - */ - protected array $dcdata; - - /** - * the options instance - * - * @var \chillerlan\Settings\SettingsContainerInterface|\chillerlan\QRCode\QROptions - */ - protected SettingsContainerInterface $options; - - /** - * a BitBuffer instance - */ - protected BitBuffer $bitBuffer; - - /** - * QRDataInterface constructor. - */ - public function __construct(SettingsContainerInterface $options, string $data = null){ - $this->options = $options; - - if($data !== null){ - $this->setData($data); - } - } - - /** - * @inheritDoc - */ - public function setData(string $data):QRDataInterface{ - - if($this->datamode === QRCode::DATA_KANJI){ - $data = mb_convert_encoding($data, 'SJIS', mb_detect_encoding($data)); - } - - $this->strlen = $this->getLength($data); - $this->version = $this->options->version === QRCode::VERSION_AUTO - ? $this->getMinimumVersion() - : $this->options->version; - - $this->writeBitBuffer($data); - - return $this; - } - - /** - * @inheritDoc - */ - public function initMatrix(int $maskPattern, bool $test = null):QRMatrix{ - return (new QRMatrix($this->version, $this->options->eccLevel)) - ->init($maskPattern, $test) - ->mapData($this->maskECC(), $maskPattern) - ; - } - - /** - * returns the length bits for the version breakpoints 1-9, 10-26 and 27-40 - * - * @throws \chillerlan\QRCode\Data\QRCodeDataException - * @codeCoverageIgnore - */ - protected function getLengthBits():int{ - - foreach([9, 26, 40] as $key => $breakpoint){ - if($this->version <= $breakpoint){ - return $this->lengthBits[$key]; - } - } - - throw new QRCodeDataException(sprintf('invalid version number: %d', $this->version)); - } - - /** - * returns the byte count of the $data string - */ - protected function getLength(string $data):int{ - return strlen($data); - } - - /** - * returns the minimum version number for the given string - * - * @throws \chillerlan\QRCode\Data\QRCodeDataException - */ - protected function getMinimumVersion():int{ - $maxlength = 0; - - // guess the version number within the given range - $dataMode = QRCode::DATA_MODES[$this->datamode]; - $eccMode = QRCode::ECC_MODES[$this->options->eccLevel]; - - foreach(range($this->options->versionMin, $this->options->versionMax) as $version){ - $maxlength = $this::MAX_LENGTH[$version][$dataMode][$eccMode]; - - if($this->strlen <= $maxlength){ - return $version; - } - } - - throw new QRCodeDataException(sprintf('data exceeds %d characters', $maxlength)); - } - - /** - * writes the actual data string to the BitBuffer - * - * @see \chillerlan\QRCode\Data\QRDataAbstract::writeBitBuffer() - */ - abstract protected function write(string $data):void; - - /** - * creates a BitBuffer and writes the string data to it - * - * @throws \chillerlan\QRCode\QRCodeException on data overflow - */ - protected function writeBitBuffer(string $data):void{ - $this->bitBuffer = new BitBuffer; - - $MAX_BITS = $this::MAX_BITS[$this->version][QRCode::ECC_MODES[$this->options->eccLevel]]; - - $this->bitBuffer - ->put($this->datamode, 4) - ->put($this->strlen, $this->getLengthBits()) - ; - - $this->write($data); - - // overflow, likely caused due to invalid version setting - if($this->bitBuffer->getLength() > $MAX_BITS){ - throw new QRCodeDataException(sprintf('code length overflow. (%d > %d bit)', $this->bitBuffer->getLength(), $MAX_BITS)); - } - - // add terminator (ISO/IEC 18004:2000 Table 2) - if($this->bitBuffer->getLength() + 4 <= $MAX_BITS){ - $this->bitBuffer->put(0, 4); - } - - // padding - while($this->bitBuffer->getLength() % 8 !== 0){ - $this->bitBuffer->putBit(false); - } - - // padding - while(true){ - - if($this->bitBuffer->getLength() >= $MAX_BITS){ - break; - } - - $this->bitBuffer->put(0xEC, 8); - - if($this->bitBuffer->getLength() >= $MAX_BITS){ - break; - } - - $this->bitBuffer->put(0x11, 8); - } - - } - - /** - * ECC masking - * - * ISO/IEC 18004:2000 Section 8.5 ff - * - * @see http://www.thonky.com/qr-code-tutorial/error-correction-coding - */ - protected function maskECC():array{ - [$l1, $l2, $b1, $b2] = $this::RSBLOCKS[$this->version][QRCode::ECC_MODES[$this->options->eccLevel]]; - - $rsBlocks = array_fill(0, $l1, [$b1, $b2]); - $rsCount = $l1 + $l2; - $this->ecdata = array_fill(0, $rsCount, []); - $this->dcdata = $this->ecdata; - - if($l2 > 0){ - $rsBlocks = array_merge($rsBlocks, array_fill(0, $l2, [$b1 + 1, $b2 + 1])); - } - - $totalCodeCount = 0; - $maxDcCount = 0; - $maxEcCount = 0; - $offset = 0; - - $bitBuffer = $this->bitBuffer->getBuffer(); - - foreach($rsBlocks as $key => $block){ - [$rsBlockTotal, $dcCount] = $block; - - $ecCount = $rsBlockTotal - $dcCount; - $maxDcCount = max($maxDcCount, $dcCount); - $maxEcCount = max($maxEcCount, $ecCount); - $this->dcdata[$key] = array_fill(0, $dcCount, null); - - foreach($this->dcdata[$key] as $a => $_z){ - $this->dcdata[$key][$a] = 0xff & $bitBuffer[$a + $offset]; - } - - [$num, $add] = $this->poly($key, $ecCount); - - foreach($this->ecdata[$key] as $c => $_){ - $modIndex = $c + $add; - $this->ecdata[$key][$c] = $modIndex >= 0 ? $num[$modIndex] : 0; - } - - $offset += $dcCount; - $totalCodeCount += $rsBlockTotal; - } - - $data = array_fill(0, $totalCodeCount, null); - $index = 0; - - $mask = function(array $arr, int $count) use (&$data, &$index, $rsCount):void{ - for($x = 0; $x < $count; $x++){ - for($y = 0; $y < $rsCount; $y++){ - if($x < count($arr[$y])){ - $data[$index] = $arr[$y][$x]; - $index++; - } - } - } - }; - - $mask($this->dcdata, $maxDcCount); - $mask($this->ecdata, $maxEcCount); - - return $data; - } - - /** - * helper method for the polynomial operations - */ - protected function poly(int $key, int $count):array{ - $rsPoly = new Polynomial; - $modPoly = new Polynomial; - - for($i = 0; $i < $count; $i++){ - $modPoly->setNum([1, $modPoly->gexp($i)]); - $rsPoly->multiply($modPoly->getNum()); - } - - $rsPolyCount = count($rsPoly->getNum()); - - $modPoly - ->setNum($this->dcdata[$key], $rsPolyCount - 1) - ->mod($rsPoly->getNum()) - ; - - $this->ecdata[$key] = array_fill(0, $rsPolyCount - 1, null); - $num = $modPoly->getNum(); - - return [ - $num, - count($num) - count($this->ecdata[$key]), - ]; - } - -} |