src/system/boot/loader/file_systems/bfs/Directory.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 DIRECTORY_H
   6 #define DIRECTORY_H
   7
   8
   9 #include <boot/vfs.h>
  10
  11 #include "Volume.h"
  12 #include "Stream.h"
  13 #include "BPlusTree.h"
  14
  15
  16 namespace BFS {
  17
  18 class Directory : public ::Directory {
  19         public:
  20                 Directory(Volume &volume, block_run run);
  21                 Directory(Volume &volume, off_t id);
  22                 Directory(const Stream &stream);
  23                 virtual ~Directory();
  24
  25                 status_t InitCheck();
  26
  27                 virtual status_t Open(void **_cookie, int mode);
  28                 virtual status_t Close(void *cookie);
  29
  30                 virtual Node* LookupDontTraverse(const char* name);
  31
  32                 virtual status_t GetNextEntry(void *cookie, char *nameBuffer, size_t bufferSize);
  33                 virtual status_t GetNextNode(void *cookie, Node **_node);
  34                 virtual status_t Rewind(void *cookie);
  35                 virtual bool IsEmpty();
  36
  37                 virtual status_t GetName(char *name, size_t size) const;
  38                 virtual ino_t Inode() const;
  39
  40         private:
  41                 Stream          fStream;
  42                 BPlusTree       fTree;
  43
  44                 typedef ::Directory _inherited;
  45 };
  46
  47 }       // namespace BFS
  48
  49 #endif  /* DIRECTORY_H */