mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
32 lines
979 B
C++
32 lines
979 B
C++
#pragma once
|
|
|
|
#include "BlockDevice.h"
|
|
#include <AK/RetainPtr.h>
|
|
#include <AK/String.h>
|
|
#include <AK/Types.h>
|
|
#include <stdio.h>
|
|
|
|
class FileBackedBlockDevice final : public BlockDevice {
|
|
public:
|
|
static RetainPtr<FileBackedBlockDevice> create(String&& imagePath, unsigned blockSize);
|
|
virtual ~FileBackedBlockDevice() override;
|
|
|
|
bool isValid() const { return m_file; }
|
|
|
|
virtual unsigned blockSize() const override;
|
|
virtual bool readBlock(unsigned index, byte* out) const override;
|
|
virtual bool writeBlock(unsigned index, const byte*) override;
|
|
virtual bool read(qword offset, unsigned length, byte* out) const override;
|
|
virtual bool write(qword offset, unsigned length, const byte* data) override;
|
|
|
|
private:
|
|
virtual const char* className() const override;
|
|
|
|
FileBackedBlockDevice(String&& imagePath, unsigned blockSize);
|
|
|
|
String m_imagePath;
|
|
FILE* m_file { nullptr };
|
|
qword m_fileLength { 0 };
|
|
unsigned m_blockSize { 0 };
|
|
};
|
|
|