profuse/Disk.h
ksherlock aa8d1b0699 sparse files, namespacing, $B0 ftype
git-svn-id: https://profuse.googlecode.com/svn/trunk@28 aa027e90-d47c-11dd-86d7-074df07e0730
2009-01-25 17:29:17 +00:00

78 lines
1.3 KiB
C++

/*
* Disk.h
* ProFUSE
*
* Created by Kelvin Sherlock on 12/18/08.
*
*/
#ifndef __DISK_H__
#define __DISK_H__
#include <fcntl.h>
#include <stdint.h>
#include <vector>
#include "File.h"
enum {
P8_OK = 0,
P8_INTERNAL_ERROR,
P8_INVALID_FORK,
P8_INVALID_BLOCK,
P8_INVALID_STORAGE_TYPE,
P8_CYCLICAL_BLOCK
};
enum {
P8_DATA_FORK = 0,
P8_RESOURCE_FORK = 1
};
/* flags */
enum {
P8_DOS_ORDER = 1,
P8_2MG = 2,
P8_DC42 = 4
};
class Disk {
public:
~Disk();
//static Disk *Open2MG(const char *file);
static Disk *OpenFile(const char *file, unsigned flags);
int Normalize(FileEntry &f, unsigned fork, ExtendedEntry *ee = NULL);
int Read(unsigned block, void *buffer);
int ReadIndex(unsigned block, void *buffer, unsigned level, off_t offset, unsigned blocks);
int ReadFile(const FileEntry &f, void *buffer);
void *ReadFile(const FileEntry &f, unsigned fork, uint32_t *size, int * error);
int ReadVolume(VolumeEntry *volume, std::vector<FileEntry> *files);
int ReadDirectory(unsigned block, SubdirEntry *dir, std::vector<FileEntry> *files);
private:
Disk();
uint8_t *_data;
unsigned _offset;
unsigned _blocks;
size_t _size;
unsigned _flags;
};
#endif