文件操作 - Writer.php

文件: /usr/local/cwpsrv/var/services/roundcube-1.6.4/vendor/bacon/bacon-qr-code/src/Writer.php

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<?php
declare(strict_types = 1);

namespace BaconQrCode;

use BaconQrCode\Common\ErrorCorrectionLevel;
use BaconQrCode\Common\Version;
use BaconQrCode\Encoder\Encoder;
use BaconQrCode\Exception\InvalidArgumentException;
use BaconQrCode\Renderer\RendererInterface;

/**
 * QR code writer.
 */
final class Writer
{
    /**
     * Renderer instance.
     *
     * @var RendererInterface
     */
    private $renderer;

/**
     * Creates a new writer with a specific renderer.
     */
    public function __construct(RendererInterface $renderer)
    {
        $this->renderer = $renderer;
    }

/**
     * Writes QR code and returns it as string.
     *
     * Content is a string which *should* be encoded in UTF-8, in case there are
     * non ASCII-characters present.
     *
     * @throws InvalidArgumentException if the content is empty
     */
    public function writeString(
        string $content,
        string $encoding = Encoder::DEFAULT_BYTE_MODE_ECODING,
        ?ErrorCorrectionLevel $ecLevel = null,
        ?Version $forcedVersion = null
    ) : string {
        if (strlen($content) === 0) {
            throw new InvalidArgumentException('Found empty contents');
        }

if (null === $ecLevel) {
            $ecLevel = ErrorCorrectionLevel::L();
        }

return $this->renderer->render(Encoder::encode($content, $ecLevel, $encoding, $forcedVersion));
    }

/**
     * Writes QR code to a file.
     *
     * @see Writer::writeString()
     */
    public function writeFile(
        string $content,
        string $filename,
        string $encoding = Encoder::DEFAULT_BYTE_MODE_ECODING,
        ?ErrorCorrectionLevel $ecLevel = null,
        ?Version $forcedVersion = null
    ) : void {
        file_put_contents($filename, $this->writeString($content, $encoding, $ecLevel, $forcedVersion));
    }
}

文件操作 - Writer.php

文件: /usr/local/cwpsrv/var/services/roundcube-1.6.4/vendor/bacon/bacon-qr-code/src/Writer.php

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