haiku/headers/os/storage/File.h

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/*
* Copyright 2002-2006, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _FILE_H
#define _FILE_H
#include <DataIO.h>
#include <Node.h>
#include <StorageDefs.h>
class BEntry;
class BFile : public BNode, public BPositionIO {
public:
BFile();
BFile(const BFile &file);
BFile(const entry_ref *ref, uint32 openMode);
BFile(const BEntry *entry, uint32 openMode);
BFile(const char *path, uint32 openMode);
BFile(const BDirectory *dir, const char *path, uint32 openMode);
virtual ~BFile();
status_t SetTo(const entry_ref *ref, uint32 openMode);
status_t SetTo(const BEntry *entry, uint32 openMode);
status_t SetTo(const char *path, uint32 openMode);
status_t SetTo(const BDirectory *dir, const char *path, uint32 openMode);
bool IsReadable() const;
bool IsWritable() const;
virtual ssize_t Read(void *buffer, size_t size);
virtual ssize_t ReadAt(off_t location, void *buffer, size_t size);
virtual ssize_t Write(const void *buffer, size_t size);
virtual ssize_t WriteAt(off_t location, const void *buffer, size_t size);
virtual off_t Seek(off_t offset, uint32 seekMode);
virtual off_t Position() const;
virtual status_t SetSize(off_t size);
virtual status_t GetSize(off_t* size) const;
BFile &operator=(const BFile &file);
private:
virtual void _PhiloFile1();
virtual void _PhiloFile2();
virtual void _PhiloFile3();
virtual void _PhiloFile4();
virtual void _PhiloFile5();
virtual void _PhiloFile6();
uint32 _reservedData[8];
private:
int get_fd() const;
virtual void close_fd();
private:
// The file's open mode.
uint32 fMode;
};
#endif // _FILE_H