profuse/Device/DiskImage.h

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#ifndef __DISKIMAGE_H__
#define __DISKIMAGE_H__
#include <stdint.h>
#include <sys/types.h>
#include <ProFUSE/Exception.h>
#include <Device/BlockDevice.h>
#include <Device/Adaptor.h>
#include <File/MappedFile.h>
namespace Device {
class DiskImage : public BlockDevice {
public:
virtual ~DiskImage();
virtual void read(unsigned block, void *bp);
virtual void write(unsigned block, const void *bp);
virtual void sync();
virtual bool readOnly();
virtual unsigned blocks();
protected:
DiskImage();
DiskImage(MappedFile *file = 0);
void setBlocks(unsigned blocks) { _blocks = blocks; }
void setAdaptor(Adaptor *);
void *address() const { return _file.address(); }
size_t length() const { return _file.length(); }
MappedFile *file() { return &_file; }
private:
MappedFile _file;
Adaptor *_adaptor;
bool _readOnly;
unsigned _blocks;
};
class ProDOSOrderDiskImage : public DiskImage {
public:
static ProDOSOrderDiskImage *Create(const char *name, size_t blocks);
static ProDOSOrderDiskImage *Open(MappedFile *);
virtual BlockCache *createBlockCache();
private:
ProDOSOrderDiskImage();
ProDOSOrderDiskImage(MappedFile *);
static void Validate(MappedFile *);
};
class DOSOrderDiskImage : public DiskImage {
public:
static DOSOrderDiskImage *Create(const char *name, size_t blocks);
static DOSOrderDiskImage *Open(MappedFile *);
private:
DOSOrderDiskImage();
DOSOrderDiskImage(MappedFile *);
static void Validate(MappedFile *);
};
}
#endif