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ArchiveManager.h

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#ifndef __ArchiveManager_H__
#define __ArchiveManager_H__

// Includes
#include "Singleton.h"
#include "Array.h"
#include "StringId.h"
#include "HashTable.h"
#include "HashTableKey_StringId.h"

// Forward declares
class ArchiveFile;
class ArchiveDirectory;
class Archive;
class Filename;


// ArchiveManager
class ArchiveManager:public Singleton<ArchiveManager>
   {
   public:
      ArchiveManager();

      virtual ~ArchiveManager();

      void LoadArchive(
         const Filename& filename   
         );
      
      void LoadArchive(
         const void* memoryBuffer,  
         int size 
         );

      void UnloadArchive(
         const Filename& filename   
         );

      void UnloadArchive(
         const void* memoryBuffer   
         );

      void UnloadAllArchives();

      void RescanHardDrive();

      ArchiveFile* GetFile(
         const Filename& filename   
         ) const;


      const ArchiveDirectory* GetDirectory(
         const Filename& path    
         ) const;

   private:
      StringId GetRootDirectory(const char* path) const;
      bool RootDirectoryExists(StringId directoryName) const;
      void ClearDirectoryCache();
   private:
      struct ArchiveEntry
         {
         StringId rootDirectory;
         StringId filename;
         const void* memoryBuffer;
         Archive* archive;
         };

      Array<ArchiveEntry> archives_;

      Array<StringId> rootDirectories_;

      mutable HashTable<HashTableKey_StringId,ArchiveDirectory*> directoryCache_;
   };

#define siArchiveManager ArchiveManager::GetInstance()

#endif /* __ArchiveManager_H__ */

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