yuzu-fork/src/common/stream.h

57 lines
1.2 KiB
C++

// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <vector>
#include "common/common_types.h"
namespace Common {
enum class SeekOrigin {
SetOrigin,
FromCurrentPos,
FromEnd,
};
class Stream {
public:
/// Stream creates a bitstream and provides common functionality on the stream.
explicit Stream();
~Stream();
Stream(const Stream&) = delete;
Stream& operator=(const Stream&) = delete;
Stream(Stream&&) = default;
Stream& operator=(Stream&&) = default;
/// Reposition bitstream "cursor" to the specified offset from origin
void Seek(s32 offset, SeekOrigin origin);
/// Reads next byte in the stream buffer and increments position
u8 ReadByte();
/// Writes byte at current position
void WriteByte(u8 byte);
[[nodiscard]] std::size_t GetPosition() const {
return position;
}
[[nodiscard]] std::vector<u8>& GetBuffer() {
return buffer;
}
[[nodiscard]] const std::vector<u8>& GetBuffer() const {
return buffer;
}
private:
std::vector<u8> buffer;
std::size_t position{0};
};
} // namespace Common