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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
class File : NonCopyable {
public:
File() { }
virtual ~File() { }
/**
* Open the file
* @return true if the file opened correctly
*/
virtual bool Open() = 0;
/**
* 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
*/
virtual size_t Read(const u64 offset, const u32 length, u8* buffer) const = 0;
/**
* 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
*/
virtual size_t Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const = 0;
/**
* Get the size of the file in bytes
* @return Size of the file in bytes
*/
virtual size_t GetSize() const = 0;
/**
* Set the size of the file in bytes
* @param size New size of the file
* @return true if successful
*/
virtual bool SetSize(const u64 size) const = 0;
/**
* Close the file
* @return true if the file closed correctly
*/
virtual bool Close() const = 0;
};
} // namespace FileSys
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