Clean project structure.

src/base/core/streams/BufferBitStream.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "BitStream.h"
+
+#include <vector>
+#include <iterator>
+
+class BufferBitStream : public BitStream
+{
+public:
+    bool isFinished() const override;
+
+    std::vector<unsigned char> peekNextNBytes(unsigned n) const override;
+
+    std::optional<unsigned char> readNextByte() override;
+
+    void setBuffer(const std::vector<unsigned char>& data);
+
+    void writeByte(unsigned char data, bool checkOverflow = true) override;
+
+    void writeBytes(const std::vector<unsigned char> data) override
+    {
+        std::copy(data.begin(), data.end(), std::back_inserter(mBuffer));
+    }
+
+    const std::vector<unsigned char>& getBuffer() const
+    {
+        return mBuffer;
+    }
+
+    void reset() override
+    {
+        BitStream::reset();
+        mBuffer.clear();
+    }
+
+private:
+    unsigned mBufferSize{0};
+    std::vector<unsigned char> mBuffer;
+};