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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "core/file_sys/file_backend.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
class Archive_RomFS;
class File_RomFS final : public FileBackend {
public:
File_RomFS(const Archive_RomFS* archive) : archive(archive) {}
/**
* Open the file
* @return true if the file opened correctly
*/
bool Open() override;
/**
* Read data from the file
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from file
* @param buffer Buffer to read data into
* @return Number of bytes read
*/
size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
/**
* Write data to the file
* @param offset Offset in bytes to start writing data to
* @param length Length in bytes of data to write to file
* @param flush The flush parameters (0 == do not flush)
* @param buffer Buffer to read data from
* @return Number of bytes written
*/
size_t Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const override;
/**
* Get the size of the file in bytes
* @return Size of the file in bytes
*/
size_t GetSize() const override;
/**
* Set the size of the file in bytes
* @param size New size of the file
* @return true if successful
*/
bool SetSize(const u64 size) const override;
/**
* Close the file
* @return true if the file closed correctly
*/
bool Close() const override;
void Flush() const override { }
private:
const Archive_RomFS* archive;
};
} // namespace FileSys
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