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Lianja

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.

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Lianja
llSuccess = .F.

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

lcQr = "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"

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

loBd = createobject("CkBinData")
llSuccess = loBd.AppendEncoded(lcQr,"base64")

lnIndex = 0
lnExpectedTag = 1

do while (lnExpectedTag <= 9)

    // Get the tag
    lnTag = loBd.GetByte(lnIndex)
    if (lnTag <> lnExpectedTag) then
        ? "Expected tag " + str(lnExpectedTag)
        release loBd
        return
    endif

    lnIndex = lnIndex + 1
    lnLen = loBd.GetByte(lnIndex)
    if (lnLen = 0) then
        ? "Expected length > 0"
        release loBd
        return
    endif

    lnIndex = lnIndex + 1
    // Tags 8 and 9 contain binary data.
    if (lnExpectedTag >= 8) then
        lcTagValue = loBd.GetEncodedChunk(lnIndex,lnLen,"base64")
    else
        lcTagValue = loBd.GetTextChunk(lnIndex,lnLen,"utf-8")
    endif

    ? "tag " + str(lnTag) + ": " + lcTagValue

    lnIndex = lnIndex + lnLen
    lnExpectedTag = lnExpectedTag + 1
enddo


release loBd