datatypeManager.h

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

#pragma warning(disable : 4100)

#include "datatypeRep.h"

#define UNDEFINED_STR "---"

#include <map>
#include <vlutil/vlString.h>
#include <vector>
#include <list>
#include <mtl/mtl.h>
#include <mtl/lispEnv.h>

class DtOMTTree;
class DtOMTNode;
class DtObjectClassFedNode;
class DtInteractionClassFedNode;
class DtComplexComponentNode;
class DtComplexDatatypeNode;
class DtArrayDatatypeNode;
class DtDatatypeFedNode;
class DtStringTree;
class DtObjectHistory;

//shortcut
#define theOMTDatatypeManager DtDatatypeManager::defaultInstance()

class DT_DLL_OMTREADER DtDatatypeManager
{
public:

   enum DtDatatypeEnum { 
      SIMPLE = 1,          
      ENUMERATED,          
      COMPLEX,             
      ARRAY,               
      VARIANT,             
      FIXED,               
      DEFINED,             
      DATATYPE_MAX 
   };

   static DtDatatypeManager* defaultInstance();
   
   virtual ~DtDatatypeManager();

   virtual void initOMTData(DtOMTTree* omtTree);

   virtual DtOMTTree* omtTree() {return myOMTTree;};

//--- The following functions are used to setup the representation list ---

   virtual void fillDefaultDatatypeRepList();

   //Fill in more representations manually. Note that this datatype
   //now gets owned by this function and takes care of deleting it.
   virtual void addDatatypeRep(DtDatatypeRep*);

   //This is a special type of Mapping
   virtual void addDefinedDatatypeRep(DtDatatypeRep*);

   //Returns the class representation of a datatype. This only works with simple
   //Reps since more complicated datatypes build the string out of multiple representations.
   virtual DtDatatypeRep* getSimpleDatatypeRep(const DtString& datatypeName);

   virtual std::map<DtString,DtDatatypeRep*>::iterator getNameRepMapList();
   virtual std::map<DtString,DtDatatypeRep*>::iterator getNameRepMapListEnd();


   //--- The following functions are used to setup the delimiter mappings ---

   virtual void addDelimiterMap(const DtString& datatype, const DtString& delimiter);
   virtual void removeDelimiterMap(const DtString& datatype);

   virtual void setDefaultDelimiter(const DtString& str);

   virtual DtString getDelimiterMap(const DtString& datatypeName, bool* isAvailable = 0);
   virtual std::map<DtString,DtString>::iterator getDelimiterList();
   virtual std::map<DtString,DtString>::iterator getDelimiterListEnd();

   //--- The following functions are used to setup the representation to datatype mappings ---


   virtual void readFile(DtString str);

   virtual void writeFile(DtString str);

   //Add a mapping between a datatype and a representation
   virtual void addRepMapping(const DtString& datatype, const DtString& rep);
   virtual void removeRepMapping(const DtString& datatype);


   virtual bool modifyRepMapping(const DtString& datatype, const DtString& rep);

   virtual std::map<DtString,DtString>::iterator getRepMapList();
   virtual std::map<DtString,DtString>::iterator getRepMapListEnd();

   //--- The following functions are used to convert objects to their representation ---

   virtual DtString getStringRep(const DtDatatypeFedNode* currFedNode, 
      const void* value, int size, int& returnSize);
   virtual DtString getStringRep(const DtString& datatypeName, 
      const void* value, int size, int& returnSize);
   
   virtual DtStringTree* createStringTreeRep(const DtDatatypeFedNode* currFedNode,
      const void* value, int size, int& returnSize, unsigned int currentOffset = 0,
      DtObjectHistory* = 0);
   virtual DtStringTree* createStringTreeRep(const DtString& datatypeName, 
      const void* value, int size, int& returnSize, const DtOMTNode* omtNode = 0,
      unsigned int currentOffset = 0, DtStringTree* strParentTree = 0,
      DtObjectHistory* = 0);
      
   virtual DtString convertStringTreeToString (DtStringTree*);


   //--- The following functions are used to gather extra information about a datatype ---

   //Find what type of datatype an item is (Simple, Enum, Complex, etc)
   virtual DtDatatypeEnum getDatatypeEnum(const DtString& datatypeName);

   
protected:
   virtual void checkOrphanMappings();
   virtual void checkObjOrphans(DtObjectClassFedNode* objClass);
   virtual void checkIntOrphans(DtInteractionClassFedNode* intClass);

   virtual void getDefaultRep(const void* value, int size, int& returnSize, DtString& returnString);
   virtual void getDatatypeRep(const DtString& datatypeName, const void* value, int size, int& returnSize, DtString& returnString);
   virtual void getEnumRep(const DtString& datatypeName, const void* value, int size, int& returnSize, DtString& returnString);
   virtual void getVariantRep(const DtString& datatypeName, const void* value, int size, int& returnSize, DtString& returnString);
   virtual void getArrayRep(const DtString& datatypeName, const void* value, int size, int& returnSize, DtString& returnString);

   virtual void createComplexTreeRep(const DtOMTNode* omtNode,
      const DtString& datatypeName,  const void* value, int size, 
      int& returnSize, DtStringTree* strTree, DtStringTree* strParentTree = 0,
      unsigned int currentOffset = 0,
      DtObjectHistory* = 0);
   virtual void createArrayTreeRep(const DtOMTNode* omtNode,
      const DtString& datatypeName,  const void* value, int size, 
      int& returnSize, DtStringTree* strTree, DtStringTree* strParentTree = 0,
      unsigned int currentOffset = 0,
      DtObjectHistory* = 0);


   virtual void processMappings(DtlObjPtr& ptr);

   virtual int getComplexDatatypeCount(DtComplexComponentNode* compNode, DtComplexDatatypeNode* parentNode,
      const void* value, int valueSize, int alreadyRead,
      const DtStringTree* strTree = 0, const DtStringTree* parentTree = 0);

   virtual int getArrayDatatypeCount(DtArrayDatatypeNode* arrayNode,
      const void* value, int valueSize, 
      const DtStringTree* strTree = 0, const DtStringTree* parentTree = 0);
 
protected:

   DtOMTTree* myOMTTree;
   std::map<DtString,DtDatatypeEnum> myDatatypeTypeMap;

   typedef std::map<DtString,DtString> DatatypeNameRepNameMap;
   DatatypeNameRepNameMap myDatatypeToRepMap;

   typedef std::map<DtString,DtDatatypeRep*> RepNamePtrMap; 
   RepNamePtrMap myNameToRepMap;

   DtString myDefaultDelimiter;
   std::map<DtString,DtString> myDelimiterMap;

   static DtDatatypeManager* theDatatypeManager;

private:
   
   DtDatatypeManager();

   DtDatatypeManager(const DtDatatypeManager& orig);
   
   DtDatatypeManager& operator=(const DtDatatypeManager& rhs);
};