Function ChooseBestCompressionScheme

library/cpp/http/io/compression.h:55–72

namespace NHttp {
    template <typename F>
    TString ChooseBestCompressionScheme(F accepted, TArrayRef<const TStringBuf> available) {
        if (available.empty()) {
            return "identity";
        }

        if (accepted("*")) {
            return TString(available[0]);
        }

        for (const auto& coding : available) {
            TString s(coding);
            if (accepted(s)) {
                return s;
            }
        }

        return "identity";
    }
}