I am using the Xalan 1.8 C++ API in a real-time financial application which need to apply XSLT transformations on XML input messages received on-the-fly.
On the process output, I get the transformed output XML.
In the XSLT stylesheet, I defined several templates which take input parameters (like function calls) and I also defined global XSL variables.
For security reasons, I need to log everything. I use the "XalanTransformer" object to make the transformation and I implemented the "TraceListener" object to log most of the parser/transformer events.
=> I am pretty happy with this but I have still have this problem :
I did not find any way to display the params or global variables values during the transforming.
I know that a "StylesheetExecutionContext" object implements the "getVariable()" and "getParamVariable()" methods which should allow to do this.
The problem is the "StylesheetExecutionContext" provided in the "TracerEvent" and "SelectionEvent" only provide a "const" instance of the "StylesheetExecutionContext" object which help from calling the "getVariable()" and "getParamVariable()" methods which are not "const".
Does anybody know a way to log the params/global variable values during the parsing/transforming ?
Can anybody tell me what I missed in the Xalan API philosophy ?
Thanks in advance for your help.
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