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<?php declare(strict_types=1); namespace Endroid\QrCode\Builder; use Endroid\QrCode\Color\ColorInterface; use Endroid\QrCode\Encoding\EncodingInterface; use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelInterface; use Endroid\QrCode\Label\Alignment\LabelAlignmentInterface; use Endroid\QrCode\Label\Font\FontInterface; use Endroid\QrCode\Label\Label; use Endroid\QrCode\Label\LabelInterface; use Endroid\QrCode\Label\Margin\MarginInterface; use Endroid\QrCode\Logo\Logo; use Endroid\QrCode\Logo\LogoInterface; use Endroid\QrCode\QrCode; use Endroid\QrCode\RoundBlockSizeMode\RoundBlockSizeModeInterface; use Endroid\QrCode\Writer\PngWriter; use Endroid\QrCode\Writer\Result\ResultInterface; use Endroid\QrCode\Writer\ValidatingWriterInterface; use Endroid\QrCode\Writer\WriterInterface; class Builder implements BuilderInterface { /** * @var array<mixed>{ * data: string, * writer: WriterInterface, * writerOptions: array, * qrCodeClass: class-string, * logoClass: class-string, * labelClass: class-string, * validateResult: bool, * size?: int, * encoding?: EncodingInterface, * errorCorrectionLevel?: ErrorCorrectionLevelInterface, * roundBlockSizeMode?: RoundBlockSizeModeInterface, * margin?: int, * backgroundColor?: ColorInterface, * foregroundColor?: ColorInterface, * labelText?: string, * labelFont?: FontInterface, * labelAlignment?: LabelAlignmentInterface, * labelMargin?: MarginInterface, * labelTextColor?: ColorInterface, * logoPath?: string, * logoResizeToWidth?: int, * logoResizeToHeight?: int, * logoPunchoutBackground?: bool * } / private array $options; public function __construct() { $this->options = [ 'data' => '', 'writer' => new PngWriter(), 'writerOptions' => [], 'qrCodeClass' => QrCode::class, 'logoClass' => Logo::class, 'labelClass' => Label::class, 'validateResult' => false, ]; } public static function create(): BuilderInterface { return new self(); } public function writer(WriterInterface $writer): BuilderInterface { $this->options['writer'] = $writer; return $this; } /* @param array<mixed> $writerOptions / public function writerOptions(array $writerOptions): BuilderInterface { $this->options['writerOptions'] = $writerOptions; return $this; } public function data(string $data): BuilderInterface { $this->options['data'] = $data; return $this; } public function encoding(EncodingInterface $encoding): BuilderInterface { $this->options['encoding'] = $encoding; return $this; } public function errorCorrectionLevel(ErrorCorrectionLevelInterface $errorCorrectionLevel): BuilderInterface { $this->options['errorCorrectionLevel'] = $errorCorrectionLevel; return $this; } public function size(int $size): BuilderInterface { $this->options['size'] = $size; return $this; } public function margin(int $margin): BuilderInterface { $this->options['margin'] = $margin; return $this; } public function roundBlockSizeMode(RoundBlockSizeModeInterface $roundBlockSizeMode): BuilderInterface { $this->options['roundBlockSizeMode'] = $roundBlockSizeMode; return $this; } public function foregroundColor(ColorInterface $foregroundColor): BuilderInterface { $this->options['foregroundColor'] = $foregroundColor; return $this; } public function backgroundColor(ColorInterface $backgroundColor): BuilderInterface { $this->options['backgroundColor'] = $backgroundColor; return $this; } public function logoPath(string $logoPath): BuilderInterface { $this->options['logoPath'] = $logoPath; return $this; } public function logoResizeToWidth(int $logoResizeToWidth): BuilderInterface { $this->options['logoResizeToWidth'] = $logoResizeToWidth; return $this; } public function logoResizeToHeight(int $logoResizeToHeight): BuilderInterface { $this->options['logoResizeToHeight'] = $logoResizeToHeight; return $this; } public function logoPunchoutBackground(bool $logoPunchoutBackground): BuilderInterface { $this->options['logoPunchoutBackground'] = $logoPunchoutBackground; return $this; } public function labelText(string $labelText): BuilderInterface { $this->options['labelText'] = $labelText; return $this; } public function labelFont(FontInterface $labelFont): BuilderInterface { $this->options['labelFont'] = $labelFont; return $this; } public function labelAlignment(LabelAlignmentInterface $labelAlignment): BuilderInterface { $this->options['labelAlignment'] = $labelAlignment; return $this; } public function labelMargin(MarginInterface $labelMargin): BuilderInterface { $this->options['labelMargin'] = $labelMargin; return $this; } public function labelTextColor(ColorInterface $labelTextColor): BuilderInterface { $this->options['labelTextColor'] = $labelTextColor; return $this; } public function validateResult(bool $validateResult): BuilderInterface { $this->options['validateResult'] = $validateResult; return $this; } public function build(): ResultInterface { $writer = $this->options['writer']; if ($this->options['validateResult'] && !$writer instanceof ValidatingWriterInterface) { throw new \Exception('Unable to validate result with '.get_class($writer)); } /* @var QrCode $qrCode / $qrCode = $this->buildObject($this->options['qrCodeClass']); /* @var LogoInterface\|null $logo / $logo = $this->buildObject($this->options['logoClass'], 'logo'); /* @var LabelInterface\|null $label / $label = $this->buildObject($this->options['labelClass'], 'label'); $result = $writer->write($qrCode, $logo, $label, $this->options['writerOptions']); if ($this->options['validateResult'] && $writer instanceof ValidatingWriterInterface) { $writer->validateResult($result, $qrCode->getData()); } return $result; } /* * @param class-string $class * * @return mixed / private function buildObject(string $class, string $optionsPrefix = null) { /* @var \ReflectionClass<object> $reflectionClass / $reflectionClass = new \ReflectionClass($class); $arguments = []; $hasBuilderOptions = false; $missingRequiredArguments = []; /* @var \ReflectionMethod $constructor */ $constructor = $reflectionClass->getConstructor(); $constructorParameters = $constructor->getParameters(); foreach ($constructorParameters as $parameter) { $optionName = null === $optionsPrefix ? $parameter->getName() : $optionsPrefix.ucfirst($parameter->getName()); if (isset($this->options[$optionName])) { $hasBuilderOptions = true; $arguments[] = $this->options[$optionName]; } elseif ($parameter->isDefaultValueAvailable()) { $arguments[] = $parameter->getDefaultValue(); } else { $missingRequiredArguments[] = $optionName; } } if (!$hasBuilderOptions) { return null; } if (count($missingRequiredArguments) > 0) { throw new \Exception(sprintf('Missing required arguments: %s', implode(', ', $missingRequiredArguments))); } return $reflectionClass->newInstanceArgs($arguments); } }

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