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dynamic table on COBOL

garroyo
 

I need to generate an xml of invoices, which the XSD specifies that the detail of each invoice can have up to a maximum of 1000 lines.
If I generate with the CBL2XML the XD record file, it generates the following

04 tbf-InvoiceDetails identified by "InvoiceDetails" count
in tbf-InvoiceDetails-count.
05 tbf-IDInvoiceDetail occurs 1000 times identified by
"IDInvoiceDetail".
06 tbf-DescriptionDetail PIC X(250) identified by
"DescriptionDetail".
06 tbf-Quantity PIC X(80) identified by
"Quantity".
06 tbf-UnitAmount PIC X(80) identified by
"UnitAmount".
06 tbf-Discount PIC X(80) identified by
"Discount".
06 tbf-TotalAmount PIC X(80) identified by
"TotalAmount".

How can you define a dynamic table, depending on the exact number of invoice lines the invoice contains. Now as it is it generates me an xml with 1000 with "InvoiceDetail" most of them empty.

Regards

Parents
  • 0  

    Look at the COUNT IN phrase in the docs. If you use something like the following:

    05 tbf-IDInvoiceDetail occurs 1000 times identified by
    "IDInvoiceDetail" count in detail-count.

    When you read the xml file, detail-count will contain the actual number of IDInvoiceDetail records that are present and if you set detail-count to a value when writing then that is how many IDInvoiceDetail records that will be written to the xml stream.

    Is this what you are looking for?

  • 0   in reply to Chris Glazier
    • Hi, I have looked at the documentation in

    XML Syntax - COUNT IN Clause

    Format

    Syntax Rules:
    1. Data-name-1 is an implicitly defined numeric data item with a picture clause of PIC S9(9) USAGE COMP-5.
    General Rules:
    1. If COUNT IN appears on a data description entry with an OCCURS clause, the dimension of data-name-1 is one less than the dimension of the associated data item.
    2. If COUNT IN appears on a data description without an OCCURS clause, the dimension of data-name-1 is the same as the dimension of the associated data item.

    The COUNT IN clause enables the program to determine the number of occurrences just read, or to specify the number of element occurrences to be output.


    And it is not exactly what I want.
    What I want and need is that if the invoice has as detail only 2 or 3 lines of detail,

    it generates me 2 or 3 lines of the section InvoiceDetail, and not to fill the remaining 999 or 1000 empty elements.

    <DetallesFactura>
     <IDDetalleFactura>
      <DescripcionDetalle>Impresora Tranf.termica Godez modelo RT700</DescripcionDetalle> 
      <Cantidad>1.00</Cantidad>
      <ImporteUnitario>450.00</ImporteUnitario>
      <Descuento/>
      <ImporteTotal>544.50</ImporteTotal>
     </IDDetalleFactura>
     <IDDetalleFactura>
    <DescripcionDetalle>Gastos de envio</DescripcionDetalle>
    <Cantidad>1.00</Cantidad>
    <ImporteUnitario>14.00</ImporteUnitario>
    <Descuento/>
    <ImporteTotal>16.94</ImporteTotal>
    </IDDetalleFactura>
    <IDDetalleFactura>
    <DescripcionDetalle/>
    <Cantidad/>
    <ImporteUnitario/>
    <Descuento/>
    <ImporteTotal/>
    </IDDetalleFactura>

    ....

    Although I indicate in count in "detail-count". that they are 2 lines it generates me the remaining empty ones in the XML.

    I hope I have explained correctly and you understand me.

    Regards

  • 0   in reply to garroyo

    For me the count in phrase appears to do exactly what you are describing.

    Here is the simple example that I am using:

          $set preprocess(prexml) warn endp                     
          select xml-stream assign "out.xml"                
                  organization  is xml                      
                  document-type is "group"                  
                  file status is xml-status.         
       xd xml-stream.                                       
       01  xmls-group   identified by "group".              
           05  f1                       
               identified by "mytable" occurs 10 times
                  count in table-count.
               10  field-1 pic x(15)                        
               identified by "field1".                
               10  field-2 pic x(15)                        
               identified by "field2". 
       working-storage section.                             
       01 xml-status         pic s9(9) comp.
       01 any-key            pic x.
       procedure division.                                  
            open output xml-stream                          
            move "Chris" to field-1(1)
            move "micro focus" to field-2(1)
            move "John" to field-1(2)
            move "smith co" to field-2(2)
            move 2 to table-count
           
            write xmls-group                                
            close xml-stream                                
            accept any-key
            move spaces to xmls-group
            open input xml-stream
            read xml-stream
            display table-count
            accept any-key
            close xml-stream                                
            stop run.

    The resulting XML file has only the 2 records specified in it.

  • 0   in reply to Chris Glazier

    Perfect! with the example you provided, I have applied it to my development and it also generates only the records I need.

    Thank you very much.

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