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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] MSXML + Xerces DOM compatibility
 I have some existing code that uses the Xerces C++ parser. I want to add the MSXML parser support to the code. However I do not want to implement the parsing again, and would like to add a check at the higher level (if MSXML, use MSXML parser , else use Xerces). Now since MSXML says it is DOM compliant, I would guess that I should be easily able to get the DOM_Node class (and other classes) from the MSXML parser. But this is not the case, since MSXML is implemented as a COM server, all I can get at is IXMLDOMNode. The problem is that now I will have to implement all the parsing logic again ( I basically parse XML file, create objects , based on the type of object e.g. if DOM_Node is of type Element, create XYZ class , else create abc class etc., put the whole hierarchy in memory , if I use MSXML , I will have to check node type IXMLDOMNode etc.). The problem I run into here is that MSXML returns IXMLDOMNode, while Xerxes returns DOM_Node, so I cannot use the same logic with the two parsers. I will have to have a lot of if/else blocks OR have different classes for each parser i.e MyApplicationXercesHeirarchyCreator, MyApplicationMSXMLHeirarcyCreator...... It would be nice if I could just get the DOM_Node directly from MSXML (instead of IXMLDOMNode), so that I can keep using the common parsing code. Is there a way I can do this? All suggestions appreciated!!! Kundan. 
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