Using a Natural Data Source

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# Using a Natural Data Source

This function enables you to generate an XML document from a data definition held in a Natural local, global or parameter data area.

The following topics are covered:

- Select Natural Data Area

- Select Root Group

- Generate File with DTD Definition

- Generate a parser for an XML document

- Show Generation Report

See also:

- Using a Document Type Definition as Data Source

- Setting up Specific Generation Options

- PF-Key Assignments

## Select Natural Data Area

This screen serves to select LDA, GDA or PDA as input Data Area.

Note
The entries shown in the dialogs below are default or example values.

     08:07:48               ***** NATURAL XML Toolkit *****               2007-01-18
                      - Generate from Natural Data Structure -       Library SYSEXXT

      Select LDA, GDA or PDA as input Data Area.

      Press 'Next' to read the Data Area.

      Select a Level 1 group that should be used for further generations.

      Select Data Area for generation
      Library:  Type: Name:
      SYSEXXT_  L     ________

     Enter-PF1---PF2---PF3---PF4---PF5---PF6---PF7---PF8---PF9---PF10--PF11--PF12---
           Help        Exit                          Next                    Canc

#### Field Descriptions

Library

Belongs to Group: | Select Input Data Area
Format/Length: | A8
Default Value: | (All libraries)

Type

Belongs to Group: | Select Input Data Area
Format/Length: | A1
Possible Values: |
L - | Local Data Area
A - | Parameter Data Area
G - | Global Data Area

Name

Belongs to Group: | Select Input Data Area
Format/Length: | A8
Default Value: | (All objects of the selected library and type)

Press PF8 to continue.

## Select Root Group

This screen is used to select the data type.

     10:18:34                 *** NATURAL XML Toolkit ***               2007-01-18
                                 - Select Root Group -             Library SYSEXXT

      Root groups
      X EMPLOYEE
      _
      _
      _
      _
      _
      _
      _
      _
      _
      _
      _
      _
      _
      _

#### Field Descriptions

Format/Length: | A1
Default Value: | (All groups on Level 1)

Mark the desired element, e.g. EMPLOYEE with an X and press ENTER .

Press PF8 to continue.

## Generate File with DTD Definition

This screen serves to generate a file with the DTD definition of a given group.

    15:44:53               ***** NATURAL XML Toolkit *****                2022-10-06
                      - Generate from Natural Data Structure -       Library SYSEXXT

      Generate file with the dtd definition of a given group.

      Specify a File Name and Press 'Next' to start the generation.

      Press 'Next' to ignore this generation.

      Select output for DTD file:
      WORK FILE 12

    Read Data Area done.
     Enter-PF1---PF2---PF3---PF4---PF5---PF6---PF7---PF8---PF9---PF10--PF11--PF12---
           Help        Exit                    Prev  Next                    Canc

Format/Length: | A253

Press PF8 to continue.

## Generate a parser for an XML document

This screen is used to generate copycode as implementation for the serialization of the given group into an XML document.

     10:56:06               ***** NATURAL XML Toolkit *****               2007-01-18
                       - Generate from Natural Data Structue -       Library SYSEXXT

      Generate Copycode as implemention for the serialization of the given
      group into a XML document.

      Specify a Name and Press 'Next' to start the generation.

      Press 'Next' to ignore this generation.

      Select output for Serialize Copycode
      Library:  Type: Name:
      SYSEXXT_ C     ________

     Parse Copycode generation done.
     Enter-PF1---PF2---PF3---PF4---PF5---PF6---PF7---PF8---PF9---PF10--PF11--PF12---
           Help        Exit                    Prev  Next                    Canc

Generates the parser CALLBACK copycode. See also Parser CALLBACK Copycode (in the Examples document).

#### Field Descriptions

Library

Belongs to Group: | Select Output Copycode
Format/Length: | A8
Default Value: | (All libraries)

Type

Belongs to Group: | Select Output Copycode
Format/Length: | A21
Default Value: | Copycode

Name

Belongs to Group: | Select Output Copycode
Format/Length: | A8
Default Value: | (All objects of the selected library and type)

Press PF8 to continue.

## Show Generation Report

After the generation is complete, the generation report is displayed.

    11:48:29               ***** NATURAL XML Toolkit *****               2007-01-18
                     - Generate from Natural Data Structure -       Library SYSEXXT

      Generation Results
      Generate for Data Area
        Library ..: SYSEXXT
        Object ...: EMPL
        Read Data Area done.
      Parser (Callback) Copycode
        Library ..: SYSEXXT
        Source ...: A1
        Parse Copycode generation done.
      Serialize (Compress XML) Copycode
        Library ..: SYSEXXT
        Source ...: A2
        Serialize Copycode generation done.
      File with dtd Definition
        File .....: $NATDIR/$NATVERS/vr/samples/sysexxt/esi.dtd
        Generate DTD file.

     Generation done.
     Enter-PF1---PF2---PF3---PF4---PF5---PF6---PF7---PF8---PF9---PF10--PF11--PF12---
           Help        Exit                    Prev        Finis             Canc

#### Field Descriptions

Summary

Format/Length: | A253/1:v

Press PF9 Finis(h) to end the generation process.

### On this page

- Select Natural Data Area
- Select Root Group
- Generate File with DTD Definition
- Generate a parser for an XML document
- Show Generation Report