4D Doc Center : SAX Get XML node

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4D v14.3

SAX Get XML node


SAX Get XML node ( document ) -> Function result

Parameter	Type	Description
document	DocRef	Reference of open document
Function result	Longint	Event returned by function

Description

The SAX Get XML node command returns a long integer that indicates the type of SAX event returned while the XML document referenced in document is parsed.

Events that can be returned are available as “XML” theme constants:

Constant	Type	Value
XML CDATA	Longint	7
XML Comment	Longint	2
XML DATA	Longint	6
XML End Document	Longint	9
XML End Element	Longint	5
XML Entity	Longint	8
XML Processing Instruction	Longint	3
XML Start Document	Longint	1
XML Start Element	Longint	4

Example

The following example processes an event:

 DocRef:=Open document("";"xml";Read Mode)

 If(OK=1)

    Repeat

       MyEvent:=SAX Get XML node(DocRef)

       Case of

          :(MyEvent=XML Start Document)

             DoSomething

          :(MyEvent=XML Comment)

             DoSomethingElse

       End case

    Until(MyEvent=XML End Document)

    CLOSE DOCUMENT(DocRef)

 End if

System variables and sets

If the command has been executed correctly, the system variable OK is set to 1. Otherwise, it is set to 0 and an error is generated.