Program structure for example 5

The following tables show COBOL statements that relate to performing XML Extensions statements. Some COBOL statements (mostly the DISPLAY statements) have been omitted. The source of this example is in the file, example05.cbl.

Initialization

COBOL Statement

Description

XML INITIALIZE.

Execute the XML INITIALIZE statement (no parameters).

If Not XML-OK Go To Z.

If the statement terminates unsuccessfully, go to the termination logic.

Exporting an XML document

COBOL Statement

Description

Move … Time-Stamp.

Populate the Time-Stamp field.

XML EXPORT TEXT Address-Struct 
    Document-Pointer Document-Length "Address-Struct".

Execute the XML EXPORT TEXT statement specifying: the data item address, the XML document text pointer, the XML document text length, and the ModelFileName#DataFileName parameter value.

If Not XML-OK Go To Z.

If the statement terminates unsuccessfully, go to the termination logic.

Importing an XML document

COBOL Statement

Description

Initialize Address-Struct.

Ensure that the address structure contains no data.

XML IMPORT TEXT Address-Struct 
    Document-Pointer Document-Length "Address-Struct".

Execute the XML IMPORT TEXT statement specifying: the data item address, the XML document text pointer, the XML document text length, and the ModelFileName#DataFileName parameter value.

If Not XML-OK Go To Z.

If the statement terminates unsuccessfully, go to the termination logic.

Copying an XML document to a file

COBOL Statement

Description

XML PUT TEXT Document-Pointer Document-Length "address05".

Execute the XML PUT TEXT statement specifying: the XML document text pointer the XML document text length, and the XML document filename.

If Not XML-OK Go To Z.

If the statement terminates unsuccessfully, go to the termination logic.

Releasing the XML document memory

COBOL Statement

Description

XML FREE TEXT Document-Pointer.

Execute the XML FREE TEXT statement specifying the XML document text pointer.

If Not XML-OK Go To Z.

If the statement terminates unsuccessfully, go to the termination logic.

Program exit logic

Same as example 1.

Termination test logic

Same as example 1.

Status display logic

Same as example 1.