BufferTraits.h

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// Copyright 2015 Sensics, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef INCLUDED_BufferTraits_h_GUID_83FE7C11_8192_409F_7D69_FDBC57B88581
#define INCLUDED_BufferTraits_h_GUID_83FE7C11_8192_409F_7D69_FDBC57B88581

// Internal Includes
#include <osvr/Common/Buffer_fwd.h>

// Library/third-party includes
#include <boost/type_traits/is_convertible.hpp>

// Standard includes
// - none

namespace osvr {
namespace common {
    namespace detail {
        class BufferTypeChecker {
          public:
            template <typename ContainerType>
            BufferTypeChecker(Buffer<ContainerType> const &) {}
        };

        class BufferReaderTypeChecker {
          public:
            template <typename ContainerType>
            BufferReaderTypeChecker(BufferReader<ContainerType> const &) {}
        };
    }

    template <typename T>
    struct is_buffer : boost::is_convertible<T, detail::BufferTypeChecker> {};

    template <typename T>
    struct is_buffer_reader
        : boost::is_convertible<T, detail::BufferReaderTypeChecker> {};

} // namespace common
} // namespace osvr
#endif // INCLUDED_BufferTraits_h_GUID_83FE7C11_8192_409F_7D69_FDBC57B88581