Utils.h

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#pragma once
 
#include <cstdint>
#include <vector>
#include <algorithm> // sort, includes
 
namespace Systemic::BluetoothLE::Internal
{
    template <typename T>
    bool isSubset(std::vector<T> subset, std::vector<T> superset)
    {
        std::sort(subset.begin(), subset.end());
        std::sort(superset.begin(), superset.end());
        return std::includes(superset.begin(), superset.end(), subset.begin(), subset.end());
    }
 
    inline
        std::vector<uint8_t> dataBufferToBytesVector(winrt::Windows::Storage::Streams::IBuffer buffer)
    {
        using namespace winrt::Windows::Storage::Streams;
 
        std::vector<uint8_t> outData;
        outData.resize(buffer.Length());
        auto reader = DataReader::FromBuffer(buffer);
        reader.ReadBytes(outData);
        return outData;
    }
 
    inline
        winrt::Windows::Storage::Streams::IBuffer bytesVectorToDataBuffer(const std::vector<std::uint8_t>& data)
    {
        using namespace winrt::Windows::Storage::Streams;
 
        //InMemoryRandomAccessStream stream{};
        DataWriter dataWriter{}; // { stream };
        dataWriter.ByteOrder(ByteOrder::LittleEndian);
        dataWriter.WriteBytes(data);
        return dataWriter.DetachBuffer();
    }
}