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-rw-r--r--src/common/stream.h56
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diff --git a/src/common/stream.h b/src/common/stream.h
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+++ b/src/common/stream.h
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+// 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