RawFs.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef RAWFS_H
#define RAWFS_H
 
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/String.h"
 
#include "modules/system/vfs/Filesystem.h"
 
class Disk;
class File;
 
class RawFs : public Filesystem {
 public:
  RawFs();
  virtual ~RawFs();
 
  //
  // Filesystem interface.
  //
  virtual bool initialise(Disk* pDisk) {
    return false;
  }
  static Filesystem* probe(Disk* pDisk) {
    return 0;
  }
  virtual File* getRoot() const;
  virtual SyncStatus sync();
  virtual SyncStatus shutdown();
  virtual const String& getVolumeLabel() const {
    static String volumeLabel("RawFs");
    return volumeLabel;
  }
  virtual uint64_t read(File* pFile, uint64_t location, uint64_t size, uintptr_t buffer,
                        bool canBlock) {
    return 0;
  }
  virtual uint64_t write(File* pFile, uint64_t location, uint64_t size, uintptr_t buffer,
                         bool canBlock) {
    return 0;
  }
  virtual void truncate(File* pFile) {
    return;
  }
  virtual void fileAttributeChanged(File* pFile) {
    return;
  }
  virtual void cacheDirectoryContents(File* pFile) {
    return;
  }
 
 protected:
  virtual bool createFile(File* parent, const String& filename, uint32_t mask) {
    return false;
  }
  virtual bool createDirectory(File* parent, const String& filename, uint32_t mask) {
    return false;
  }
  virtual bool createSymlink(File* parent, const String& filename, const String& value) {
    return false;
  }
  virtual bool removeNode(File*, const String&, File*) {
    return false;
  }
 
 private:
  RawFs(const RawFs&);
  RawFs& operator=(const RawFs&);
 
  class RawFsDir* m_pRoot;
};
 
#endif