Irrlicht 3D Engine
IReadFile.h
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00001 // Copyright (C) 2002-2012 Nikolaus Gebhardt
00002 // This file is part of the "Irrlicht Engine".
00003 // For conditions of distribution and use, see copyright notice in irrlicht.h
00004 
00005 #ifndef __I_READ_FILE_H_INCLUDED__
00006 #define __I_READ_FILE_H_INCLUDED__
00007 
00008 #include "IReferenceCounted.h"
00009 #include "coreutil.h"
00010 
00011 namespace irr
00012 {
00013 namespace io
00014 {
00015 
00017     class IReadFile : public virtual IReferenceCounted
00018     {
00019     public:
00021 
00024         virtual s32 read(void* buffer, u32 sizeToRead) = 0;
00025 
00027 
00032         virtual bool seek(long finalPos, bool relativeMovement = false) = 0;
00033 
00035 
00036         virtual long getSize() const = 0;
00037 
00039 
00040         virtual long getPos() const = 0;
00041 
00043 
00044         virtual const io::path& getFileName() const = 0;
00045     };
00046 
00048     IReadFile* createReadFile(const io::path& fileName);
00050     IReadFile* createLimitReadFile(const io::path& fileName, IReadFile* alreadyOpenedFile, long pos, long areaSize);
00052     IReadFile* createMemoryReadFile(void* memory, long size, const io::path& fileName, bool deleteMemoryWhenDropped);
00053 
00054 } // end namespace io
00055 } // end namespace irr
00056 
00057 #endif
00058