include/vrvTerrain/DtMetaFlightParser.h

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/******************************************************************************
** Copyright (c) 2010 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile:  $ $Revision:  $ $State:  $
******************************************************************************/


#pragma once
#include <vrvTerrain/vrvTerrain.h>
#include <libxml/tree.h>
#include <string>

namespace makVrv
{
   class DT_DLL_VRVTERRAIN DtMetaFlightParser
   {
   public:

      DtMetaFlightParser();

      bool openFile(const std::string& fileName,
         const std::string& virtualTextureFilename, std::string& parseError);

      const std::string& fileName() const;

      const std::string& virtualTextureFileName() const;

      static bool publish( const std::string& fileName, 
         const std::string& virtualTextureFilename, 
         const std::string& outputFileName,          
         bool encryptingData, bool removeVT, std::string& parseError,
         bool extendGridLevelZero, float extendGridLevelZeroTo);

      const char* currentElementType() const;

      const char* currentElementName() const;

      const char* currentElementReference() const;

      std::string currentElementNameOrGenerateUnique();

      const char* currentElementText() const;

      bool getCurrentElementValue(std::string& value) const;

      bool getCurrentElementValue(int& value) const;

      bool getCurrentElementValue(unsigned int& value) const;

      bool getCurrentElementValue(double& value) const;
     
      unsigned int numberOfChildElements() const;
      
      bool readFirstChildElement();
      
      bool readNextElement();

      bool readPreviousElement();

      bool readParentElement();

   protected:

      static xmlDocPtr createDocument( const std::string& file, 
         std::string& parseError );
      
      static int countChildrenWithName( xmlNodePtr node, 
         const std::string& nodeName );

      static xmlNodePtr findChildWithName( const xmlNodePtr node, 
         const std::string& nodeName, const int occurance = 0);

      static void replaceAll( std::string& result, 
         const std::string& replaceWhat, const std::string& replaceWithWhat );

      static xmlNodePtr findDatabaseNode( xmlDocPtr xmlDocument, 
         std::string& parseError );

      static xmlNodePtr findChildWithAttribute( xmlNodePtr node, 
         const std::string& nodeName, const std::string& attrName, 
         const std::string& attrValue );

      static const char* attribute( xmlNodePtr node, 
         const std::string& attrName );

      static const char* text(xmlNodePtr node);

      static bool setText( xmlNodePtr node,const std::string& text );
     
   protected:

      std::string myFileName;
      std::string myVirtualTextureFileName;

      xmlDocPtr myDocument;
      xmlNodePtr myCurrentNode;
      unsigned int myUniqueId;
   };
}