suyu/src/core/file_sys/archive_romfs.h

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include <vector>
#include "common/common_types.h"
#include "core/file_sys/archive.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// File system interface to the RomFS archive
class Archive_RomFS final : public Archive {
public:
Archive_RomFS(const Loader::AppLoader& app_loader);
~Archive_RomFS() override;
/**
* Get the IdCode of the archive (e.g. RomFS, SaveData, etc.)
* @return IdCode of the archive
*/
IdCode GetIdCode() const override { return IdCode::RomFS; };
/**
* Open a file specified by its path, using the specified mode
* @param path Path relative to the archive
* @param mode Mode to open the file with
* @return Opened file, or nullptr
*/
std::unique_ptr<File> OpenFile(const std::string& path, const Mode mode) const override;
/**
* Read data from the archive
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from archive
* @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 archive
* @param offset Offset in bytes to start writing data to
* @param length Length in bytes of data to write to archive
* @param buffer Buffer to write data from
* @param flush The flush parameters (0 == do not flush)
* @return Number of bytes written
*/
size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) override;
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes
*/
size_t GetSize() const override;
/**
* Set the size of the archive in bytes
*/
void SetSize(const u64 size) override;
private:
std::vector<u8> raw_data;
};
} // namespace FileSys