/* Stream - inode stream access functions
**
** Copyright 2003-2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the MIT License.
*/
#ifndef STREAM_H
#define STREAM_H


#include "Volume.h"

#include <sys/stat.h>

class Node;


namespace BFS {

class Stream : public bfs_inode {
        public:
                Stream(Volume &volume, block_run run);
                Stream(Volume &volume, off_t id);
                ~Stream();

                status_t InitCheck();
                Volume &GetVolume() const { return fVolume; }

                status_t FindBlockRun(off_t pos, block_run &run, off_t &offset);
                status_t ReadAt(off_t pos, uint8 *buffer, size_t *length);

                status_t GetName(char *name, size_t size) const;
                off_t Size() const { return data.Size(); }
                off_t ID() const { return fVolume.ToVnode(inode_num); }
                status_t ReadLink(char *buffer, size_t bufferSize);

                bool IsContainer() const { return Mode() & (S_IFDIR | S_INDEX_DIR | S_ATTR_DIR); }
                bool IsSymlink() const { return S_ISLNK(Mode()); }
                bool IsIndex() const { return false; }

                static Node *NodeFactory(Volume &volume, off_t id);

        private:
                status_t GetNextSmallData(const small_data **_smallData) const;

                Volume  &fVolume;
};

}       // namespace BFS

#endif  /* STREAM_H */