Re: SAX Events

Bill Tobiasson wrote:

...
XML-SAX(E) %Handler(HandleData:info) %XML(XML_Input:'doc=file');
...
I can not match up the attrName because there is always the first two
byte missing (& the 2 bytes are missing for the data also) on the string
for the event:

When event = *XML_START_ELEMENT;
(my prototype)
D HandleData PI 10I 0
D comm LikeDS(info)
D event 10I 0 Value
D string * Value
D stringLen 20I 0 Value
D exceptionId 10I 0 Value
...

Bill, it sounds like you used the VARYING keyword when you defined the based variable for the string pointer parameter.

Instead of using VARYING, code the based variable like this:

D theString S 65535A Based(string)

Then use %SUBST with the stringLen parameter:

comm.attrName = %subst(theString : 1 : stringLen);

The reason it's dropping the first two bytes is that the VARYING keyword says that the first two bytes represent a numeric prefix holding the current length. A 30A VARYING field is actually 32 bytes long, 2 bytes for the length prefix and 30 bytes for the data.

If you tell the compiler that a field is varying when it is not actually varying, it will still try to interpret the first two bytes as the length, and it will think that the data doesn't start until the 3rd byte.