DataFlex Requires Chilkat v11.7.0+

PDF Placeholders with Other Delimiters: [[name]]

Demonstrates the "placeholderSyntax" option. Placeholders are {{name}} by default; a template written with other delimiters, such as [[name]] or <>, says so with placeholderSyntax, written around the word "name".

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DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoPdf
    Variant vJson
    Handle hoJson
    Variant vJsonOut
    Handle hoJsonOut
    Integer i
    Integer iCount_i
    String sTemp1

    Move False To iSuccess

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

    //  The PDF used in this example is available at letter_template.pdf

    Get Create (RefClass(cComChilkatPdf)) To hoPdf
    If (Not(IsComObjectCreated(hoPdf))) Begin
        Send CreateComObject of hoPdf
    End
    Get ComLoadFile Of hoPdf "qa_data/pdf/letter_template.pdf" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoPdf To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  The letter reads: "Dear [[name]]," ... "expires on [[expiry]]" ... "[[amount]] per year" ... "[[agent]]".
    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComUpdateString Of hoJson "placeholderSyntax" "[[name]]" To iSuccess
    Get ComUpdateString Of hoJson "placeholders.date" "October 18, 2026" To iSuccess
    Get ComUpdateString Of hoJson "placeholders.name" "Ms. Rivera" To iSuccess
    Get ComUpdateString Of hoJson "placeholders.expiry" "December 31, 2026" To iSuccess
    Get ComUpdateString Of hoJson "placeholders.amount" "$299.00" To iSuccess
    Get ComUpdateString Of hoJson "placeholders.agent" "Dana Whitfield, Account Manager" To iSuccess

    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonOut
    If (Not(IsComObjectCreated(hoJsonOut))) Begin
        Send CreateComObject of hoJsonOut
    End
    Get pvComObject of hoJson to vJson
    Get pvComObject of hoJsonOut to vJsonOut
    Get ComTextReplace Of hoPdf "apply" vJson vJsonOut To iSuccess
    If (iSuccess = False) Begin
        Get ComEmit Of hoJsonOut To sTemp1
        Showln "Not applied: " sTemp1
        If (iSuccess = False) Begin
            Get ComLastErrorText Of hoPdf To sTemp1
            Showln sTemp1
            Procedure_Return
        End

    End

    Move 0 To i
    Get ComSizeOfArray Of hoJsonOut "replacements" To iCount_i
    While (i < iCount_i)
        Set ComI Of hoJsonOut To i
        Get ComStringOf Of hoJsonOut "replacements[i].field" To sTemp1
        Showln "[[" sTemp1 "]] replaced"
        Move (i + 1) To i
    Loop

    Get ComWriteFile Of hoPdf "qa_output/letter_rivera.pdf" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoPdf To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  Sample output:

    //  [[date]] replaced
    //  [[name]] replaced
    //  [[expiry]] replaced
    //  [[amount]] replaced
    //  [[agent]] replaced


End_Procedure