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Archive.h

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#ifndef __Archive_H__
#define __Archive_H__

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

// Forward declares
class StaticBuffer;
class Platform_FileSystem_File;
class ArchiveFile;
class ArchiveDirectory;
class Filename;


// Archive
class Archive
   {
   public:
      Archive(
         const void* memoryBuffer,  
         int size 
         );

      Archive(
         const Filename& filename   
         );

      ~Archive();

      ArchiveFile* GetFile(
         const Filename& filename   
         ) const;


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

      const ArchiveDirectory* GetRootDirectory() const;


   private:
      struct DirectoryEntry;

      void ReadDirectory(DirectoryEntry* directoryEntry,char* parentPath);

   private:
      StaticBuffer* archiveBuffer_; 
      Platform_FileSystem_File* archiveFile_;   

      struct FileEntry
         {
         StringId filename;
         int offset;
         int size;
         };
      
      struct DirectoryEntry
         {
         StringId name;
         Array<DirectoryEntry> subDirectories;
         Array<FileEntry> files;
         };

      DirectoryEntry root_;

      HashTable<HashTableKey_StringId,FileEntry> files_; 
      HashTable<HashTableKey_StringId,ArchiveDirectory*> directories_; 
   };


#endif /* __Archive_H__ */

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