haiku/headers/os/storage/SymLink.h
2003-02-11 18:17:25 +00:00

89 lines
2.2 KiB
C++

//----------------------------------------------------------------------
// This software is part of the OpenBeOS distribution and is covered
// by the OpenBeOS license.
//
// File Name: SymLink.h
//---------------------------------------------------------------------
/*!
\file SymLink.h
BSymLink interface declaration.
*/
#ifndef _SYM_LINK_H
#define _SYM_LINK_H
#include <Node.h>
#include <StorageDefs.h>
#ifdef USE_OPENBEOS_NAMESPACE
namespace OpenBeOS {
#endif
/*!
\class BSymLink
\brief A symbolic link in the filesystem
Provides an interface for manipulating symbolic links.
\author <a href='mailto:bonefish@users.sf.net'>Ingo Weinhold</a>
\version 0.0.0
*/
class BSymLink : public BNode {
public:
BSymLink();
BSymLink(const BSymLink &link);
BSymLink(const entry_ref *ref);
BSymLink(const BEntry *entry);
BSymLink(const char *path);
BSymLink(const BDirectory *dir, const char *path);
virtual ~BSymLink();
// WORKAROUND
// SetTo() methods: Part of a work around until someone has an idea how to
// get BPrivate::Storage::read_link(FileDescriptor,...) to work.
status_t SetTo(const entry_ref *ref);
status_t SetTo(const BEntry *entry);
status_t SetTo(const char *path);
status_t SetTo(const BDirectory *dir, const char *path);
void Unset();
ssize_t ReadLink(char *buf, size_t size);
ssize_t MakeLinkedPath(const char *dirPath, BPath *path);
ssize_t MakeLinkedPath(const BDirectory *dir, BPath *path);
bool IsAbsolute();
// WORKAROUND
// operator=(): Part of a work around until someone has an idea how to
// get BPrivate::Storage::read_link(FileDescriptor,...) to work.
BSymLink &operator=(const BSymLink &link);
private:
virtual void _MissingSymLink1();
virtual void _MissingSymLink2();
virtual void _MissingSymLink3();
virtual void _MissingSymLink4();
virtual void _MissingSymLink5();
virtual void _MissingSymLink6();
// WORKAROUND
// fSecretEntry: Part of a work around until someone has an idea how to
// get BPrivate::Storage::read_link(FileDescriptor,...) to work.
// uint32 _reservedData[4];
uint32 _reservedData[3];
BEntry *fSecretEntry;
private:
BPrivate::Storage::FileDescriptor get_fd() const;
};
#ifdef USE_OPENBEOS_NAMESPACE
}; // namespace OpenBeOS
#endif
#endif // _SYM_LINK_H