src/system/boot/loader/file_systems/fat/File.h

   1 /*
   2 ** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3 ** Distributed under the terms of the MIT License.
   4 */
   5 #ifndef FILE_H
   6 #define FILE_H
   7
   8
   9 #include <boot/vfs.h>
  10
  11 #include "Stream.h"
  12 #include "Volume.h"
  13
  14
  15 namespace FATFS {
  16
  17 class File : public Node {
  18         public:
  19                 File(Volume &volume, off_t dirEntryOffset, uint32 cluster, off_t size,
  20                         const char *name);
  21                 virtual ~File();
  22
  23                 status_t InitCheck();
  24
  25                 off_t DirEntryOffset() const    { return fDirEntryOffset; }
  26
  27                 virtual status_t Open(void **_cookie, int mode);
  28                 virtual status_t Close(void *cookie);
  29
  30                 virtual ssize_t ReadAt(void *cookie, off_t pos, void *buffer, size_t bufferSize);
  31                 virtual ssize_t WriteAt(void *cookie, off_t pos, const void *buffer, size_t bufferSize);
  32
  33                 virtual status_t GetName(char *nameBuffer, size_t bufferSize) const;
  34                 virtual status_t GetFileMap(struct file_map_run *runs, int32 *count);
  35                 virtual int32 Type() const;
  36                 virtual off_t Size() const;
  37                 virtual ino_t Inode() const;
  38
  39         private:
  40                 Volume          &fVolume;
  41                 //FileBlock     fNode;
  42                 Stream          fStream;
  43                 off_t           fDirEntryOffset;
  44 };
  45
  46 }       // namespace FATFS
  47
  48 #endif  /* FILE_H */