StreamScope.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "trio/Stream.h"
 
#include <utility>
 
namespace trio {
 
class StreamScope {
    public:
        explicit StreamScope(Controllable* stream_) : stream{stream_} {
            stream->open();
        }
 
        ~StreamScope() {
            if (stream != nullptr) {
                stream->close();
            }
        }
 
        StreamScope(const StreamScope&) = delete;
        StreamScope& operator=(const StreamScope&) = delete;
 
        StreamScope(StreamScope&& rhs) noexcept : stream{nullptr} {
            std::swap(stream, rhs.stream);
        }
 
        StreamScope& operator=(StreamScope&& rhs) noexcept {
            std::swap(stream, rhs.stream);
            return *this;
        }
 
    private:
        Controllable* stream;
};
 
}  // namespace trio