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 "modules/system/vfs/Filesystem.h"
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/String.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 String getVolumeLabel() const
    {
        return String("RawFs");
    }
    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 remove(File *parent, File *file)
    {
        return false;
    }

  private:
    RawFs(const RawFs &);
    RawFs &operator=(const RawFs &);

    class RawFsDir *m_pRoot;
};

#endif