(PureBasic) ITIDA Create Canonical JSON

See more Egypt ITIDA Examples

Demonstrates creating the canonical (ITIDA) version of a JSON document. The document in the example is the one at https://sdk.invoicing.eta.gov.eg/files/one-doc.json

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

For more information, see https://sdk.invoicing.eta.gov.eg/signature-creation/

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkStringBuilder.pb"

Procedure ChilkatExample()

    ; This example assumes the Chilkat API to have been previously unlocked.
    ; See Global Unlock Sample for sample code.

    ; Note: This example requires Chilkat v9.5.0.92 or greater.
    ; (In v9.5.0.92, the "itida" encoding was added to StringBuilder's Encode method.)
    sb.i = CkStringBuilder::ckCreate()
    If sb.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; This is the file at https://sdk.invoicing.eta.gov.eg/files/one-doc.json
    success.i = CkStringBuilder::ckLoadFile(sb,"qa_data/itida/sdk.invoicing.eta.gov.eg/files/one-doc.json","utf-8")
    If success = 0
        Debug "Failed to load input file."
        CkStringBuilder::ckDispose(sb)
        ProcedureReturn
    EndIf

    ; Convert the contents of sb to the ITIDA canonical form.
    ; Always pass utf-8 for the 2nd arg.
    CkStringBuilder::ckEncode(sb,"itida","utf-8")

    canonical.s = CkStringBuilder::ckGetAsString(sb)

    Debug canonical

    ; Output: 
    ; "SomeValue""DELIVERY""APPROACH""SomeValue""PACKAGING""SomeValue""DATEVALIDITY""2020-09-28T09:30:10Z"........."TOTALAMOUNT""5191.50""EXTRADISCOUNTAMOUNT""5.00""TOTALITEMSDISCOUNTAMOUNT""14.00"

    ; Let's verify we got the correct result.
    sbExpected.i = CkStringBuilder::ckCreate()
    If sbExpected.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkStringBuilder::ckLoadFile(sbExpected,"qa_data/itida/sdk.invoicing.eta.gov.eg/files/one-doc-serialized.json.txt","utf-8")
    If success = 0
        Debug "Failed to expected output file."
        CkStringBuilder::ckDispose(sb)
        CkStringBuilder::ckDispose(sbExpected)
        ProcedureReturn
    EndIf

    ; Compare our computed canonical string with the expected result.
    If CkStringBuilder::ckContentsEqualSb(sb,sbExpected,1) = 1
        Debug "The computed canonical result is correct."
    Else
        Debug "The computed canonical result is NOT correct."
    EndIf



    CkStringBuilder::ckDispose(sb)
    CkStringBuilder::ckDispose(sbExpected)


    ProcedureReturn
EndProcedure