haiku/headers/os/storage/Entry.h

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//----------------------------------------------------------------------
// This software is part of the OpenBeOS distribution and is covered
// by the OpenBeOS license.
//---------------------------------------------------------------------
/*!
\file Entry.h
BEntry and entry_ref interface declarations.
*/
#ifndef _ENTRY_H
#define _ENTRY_H
#include <sys/types.h>
#include <sys/stat.h>
#include <SupportDefs.h>
#include <Statable.h>
#ifdef USE_OPENBEOS_NAMESPACE
namespace OpenBeOS {
#endif
class BDirectory;
class BPath;
struct entry_ref {
entry_ref();
entry_ref(dev_t dev, ino_t dir, const char *name);
entry_ref(const entry_ref &ref);
~entry_ref();
status_t set_name(const char *name);
bool operator==(const entry_ref &ref) const;
bool operator!=(const entry_ref &ref) const;
entry_ref &operator=(const entry_ref &ref);
dev_t device;
ino_t directory;
char *name;
};
class BEntry : public BStatable {
public:
BEntry();
BEntry(const BDirectory *dir, const char *path, bool traverse = false);
BEntry(const entry_ref *ref, bool traverse = false);
BEntry(const char *path, bool traverse = false);
BEntry(const BEntry &entry);
virtual ~BEntry();
status_t InitCheck() const;
bool Exists() const;
virtual status_t GetStat(struct stat *st) const;
status_t SetTo(const BDirectory *dir, const char *path,
bool traverse = false);
status_t SetTo(const entry_ref *ref, bool traverse = false);
status_t SetTo(const char *path, bool traverse = false);
void Unset();
status_t GetRef(entry_ref *ref) const;
status_t GetPath(BPath *path) const;
status_t GetParent(BEntry *entry) const;
status_t GetParent(BDirectory *dir) const;
status_t GetName(char *buffer) const;
status_t Rename(const char *path, bool clobber = false);
status_t MoveTo(BDirectory *dir, const char *path = NULL,
bool clobber = false);
status_t Remove();
bool operator==(const BEntry &item) const;
bool operator!=(const BEntry &item) const;
BEntry &operator=(const BEntry &item);
private:
friend class BDirectory;
friend class BFile;
friend class BNode;
friend class BSymLink;
virtual void _PennyEntry1();
virtual void _PennyEntry2();
virtual void _PennyEntry3();
virtual void _PennyEntry4();
virtual void _PennyEntry5();
virtual void _PennyEntry6();
/*! Currently unused. */
uint32 _pennyData[4];
/*! BEntry implementation of BStatable::set_stat() */
virtual status_t set_stat(struct stat &st, uint32 what);
status_t set(int dir, const char *path, bool traverse);
/*! File descriptor for the entry's parent directory. */
int fDirFd;
/*! Leaf name of the entry. */
char *fName;
/*! The object's initialization status. */
status_t fCStatus;
status_t set_name(const char *name);
status_t _Rename(BEntry& target, bool clobber);
void Dump(const char *name = NULL);
};
// C functions
status_t get_ref_for_path(const char *path, entry_ref *ref);
bool operator<(const entry_ref &a, const entry_ref &b);
#ifdef USE_OPENBEOS_NAMESPACE
}; // namespace OpenBeOS
#endif
#endif // _ENTRY_H