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IReadFile.h
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1 // Copyright (C) 2002-2012 Nikolaus Gebhardt
2 // This file is part of the "Irrlicht Engine".
3 // For conditions of distribution and use, see copyright notice in irrlicht.h
4 
5 #ifndef __I_READ_FILE_H_INCLUDED__
6 #define __I_READ_FILE_H_INCLUDED__
7 
8 #include "IReferenceCounted.h"
9 #include "coreutil.h"
10 
11 namespace irr
12 {
13 namespace io
14 {
15 
17  class IReadFile : public virtual IReferenceCounted
18  {
19  public:
21 
24  virtual s32 read(void* buffer, u32 sizeToRead) = 0;
25 
27 
32  virtual bool seek(long finalPos, bool relativeMovement = false) = 0;
33 
35 
36  virtual long getSize() const = 0;
37 
39 
40  virtual long getPos() const = 0;
41 
43 
44  virtual const io::path& getFileName() const = 0;
45  };
46 
48  IReadFile* createReadFile(const io::path& fileName);
50  IReadFile* createLimitReadFile(const io::path& fileName, IReadFile* alreadyOpenedFile, long pos, long areaSize);
52  IReadFile* createMemoryReadFile(void* memory, long size, const io::path& fileName, bool deleteMemoryWhenDropped);
53 
54 } // end namespace io
55 } // end namespace irr
56 
57 #endif
58