(Ruby) ZATCA Decode QR Code

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Decodes a base64 ZATCA QR code.

Note: This example requires Chilkat v9.5.0.92 or greater.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# Note: This example requires Chilkat v9.5.0.92 or greater.

qr = "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"

qr = "AQxGaXJveiBBc2hyYWYCCjEyMzQ1Njc4OTEDEzIwMjEtMTEtMTcgMDg6MzA6MDAEBjEwMC4wMAUFMTUuMDAGLDlmc3JYVW8rU3BYQVlJTkw5aGFLU2dEOXgxaVJsZk53SVBDZnBlWXczYTA9B1hYMEM4VjFIL3hUMGdOaytWWXh2U2Z6UFJlUjZPM2t5VXA0TERITzJLMzlNSGJETXVvTGltQSt3RnovV2pVdEdMSHpaK0J5enNmWUdEQzliNUFGSU1FQT09CFgwVjAQBgcqhkjOPQIBBgUrgQQACgNCAARw3B+mu14x0h3pJFKqEWWT7DmD7jWYkZV7qHyikPlN4P/4/b7YD+A9wnFI92HTKm+/BGKXVf/pfLtsmdIIaPHnCUgwRgIhAMTjOkWwcNu5Aw5k1Yr3YgbPhdxKoJV1a3+5ShPtx1/IAiEAyrwsA/NuqV6XjybyrZpMp6eJAqslACLfCldti/PVOQs="

bd = Chilkat::CkBinData.new()
success = bd.AppendEncoded(qr,"base64")

index = 0
expectedTag = 1

while (expectedTag <= 9)

    # Get the tag
    tag = bd.GetByte(index)
    if (tag != expectedTag)
        print "Expected tag " + expectedTag.to_s() + "\n";
        exit
    end

    index = index + 1
    len = bd.GetByte(index)
    if (len == 0)
        print "Expected length > 0" + "\n";
        exit
    end

    index = index + 1
    # Tags 8 and 9 contain binary data.
    if (expectedTag >= 8)
        tagValue = bd.getEncodedChunk(index,len,"base64")
    else
        tagValue = bd.getTextChunk(index,len,"utf-8")
    end

    print "tag " + tag.to_s() + ": " + tagValue + "\n";

    index = index + len
    expectedTag = expectedTag + 1
end