xmlFileReader.h

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/*******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
*******************************************************************************/
#pragma once

#include "omtReader.h"
#include <vlutil/vlString.h>

#include <mtl/xmlFedTags.h>
#include <mtl/fedReader.h>

class DtOMTTree;
class DtComplexComponentNode;
class DtEnumerationNode;
class DtAttributeFedNode;
class DtParameterFedNode;
class DtObjectClassFedNode;
class DtInteractionClassFedNode;
class DtFieldComponentNode;
class DtAlternativeComponentNode;
class DtExerciseConn;

class DT_DLL_OMTREADER DtXMLFileReader
{

public: 

   DtXMLFileReader();
   
   virtual ~DtXMLFileReader();

   virtual DtOMTTree* readFile(const DtString& str,
                               DtExerciseConn* ex);

   virtual DtOMTTree* readFiles(const std::vector<DtString>& str,
      DtExerciseConn* ex);

   virtual const DtString& getLastError();
   virtual void clearLastError();

protected:
   virtual DtFedReadStatus openFile(const char *fedFileName,
                                    xmlDoc  **newXmlDocTree);

   bool isEvolvedFormat(xmlNodePtr& rootNode);
   xmlNode*  getNodeByName( xmlNode*  rootNode,
      const xmlChar* nodeName );
   const xmlChar* childContentByName(xmlNode* node,
      const xmlChar *name);



   
protected:
   DtString myLastError;
   DtExerciseConn* myExConn;
   std::vector<DtOMTTree*> myOMTTrees;

private:
   
   DtXMLFileReader(const DtXMLFileReader& orig);
   
   DtXMLFileReader& operator=(const DtXMLFileReader& rhs);

   void buildTree(DtOMTTree* omtTree);
   void setAttributeHandles(DtObjectClassFedNode* objNode);
   void setParameterHandles(DtInteractionClassFedNode* objNode);
};