4D v13.4

SAX Get XML node

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4D v13.4
4D Language Reference
XML SAX
SAX Get XML node

SAX Get XML node 


 

SAX Get XML node ( document ) -> Function result 
Parameter Type   Description
document  DocRef in Reference of open document
Function result  Longint in Event returned by function

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)
 End if
 CLOSE DOCUMENT(DocRef)

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.

 
PROPERTIES 

Product: 4D
Theme: XML SAX
Number: 860

The OK variable is changed by the commandThis command modifies the Error system variable

 
INDEX

Alphabetical list of commands

 
HISTORY 

Created: 4D 2004