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StringIdTable.h

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#ifndef __StringIdTable_H__
#define __StringIdTable_H__

// Includes

// Forward declares

// StringIdTable
class StringIdTable
   {
   private:
      // The StringIdTable is only used internally by the StringId class
      friend class StringId;

      static StringIdTable& GetInstance();

      StringIdTable();

      ~StringIdTable();

      unsigned int CalculateHash(
         const char* idString 
         ) const;


      const char* FindIdString(
         unsigned int hash,   
         const char* idString 
         );

   private:
      char* StringIdTable::StoreString(
         unsigned int hash, 
         const char* string   
         );

      // The following will generate a compiler error if there is an attempt to create a second instance of the class
      StringIdTable(const StringIdTable&);   
      const StringIdTable& operator=(const StringIdTable&); 


   private:
      int idStringTableSlots_; 
      int idStringTableItemCount_; 
      char** idStringTable_;  
      
      
      static const int stringStorageBlockSize_=4*1024; 

      struct StringStorageBlock
         {
         char* head; 
         char* tail; 
         };

      StringStorageBlock* stringStorageBlocks_; 
      int stringStorageBlockMaxCount_; 
      int stringStorageBlockCount_; 
      };

#endif /* __StringIdTable_H__ */

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