SAX-PARSE-FIRST( ) method

Initializes and begins a progressive-scan parse of an XML document associated with a SAX-reader object.

Return type:

None

Applies to:

SAX-reader object handle

 

Syntax 

SAX-PARSE-FIRST ( )

To continue a progressive-scan parse, call SAX-PARSE-NEXT( ) repeatedly.

When SAX-PARSE-FIRST( ) executes, the AVM invokes the StartDocument callback, if there is one. SAX-PARSE-FIRST( ) raises an ABL error if the parser fails, for any reason, to start parsing the XML source.

If SAX-PARSE-FIRST( ) is called on a source file already being parsed with SAX-PARSE-NEXT( ), the parser reinitializes the parsing process.

SAX-PARSE-FIRST( ) can be called with SAX-reader in any state.

Note:

SAX-PARSE-FIRST( ) does not have a return value. To detect if an error has occurred, add NO-ERROR to the call and when it returns, check ERROR-STATUS:ERROR.