bool8_array.hpp

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// Copyright 2024 Man Group Operations Limited
//
// 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.
 
#pragma once
 
#include "sparrow/primitive_array.hpp"
#include "sparrow/utils/extension.hpp"
 
namespace sparrow_extensions
{
    using bool8_array = sparrow::primitive_array<int8_t, sparrow::simple_extension<"arrow.bool8">, bool>;
}
 
#if defined(__cpp_lib_format)
#    include <format>
 
// Formatter specialization for bool8_array
template <>
struct std::formatter<sparrow_extensions::bool8_array>
{
    constexpr auto parse(std::format_parse_context& ctx)
    {
        return ctx.begin();
    }
 
    auto format(const sparrow_extensions::bool8_array& ar, std::format_context& ctx) const
    {
        std::format_to(ctx.out(), "Bool8 array [{}]: [", ar.size());
        for (std::size_t i = 0; i < ar.size(); ++i)
        {
            if (i > 0)
            {
                std::format_to(ctx.out(), ", ");
            }
            const auto elem = ar[i];
            if (elem.has_value())
            {
                std::format_to(ctx.out(), "{}", static_cast<bool>(elem.value()) ? "true" : "false");
            }
            else
            {
                std::format_to(ctx.out(), "null");
            }
        }
        return std::format_to(ctx.out(), "]");
    }
};
 
namespace sparrow_extensions
{
    inline std::ostream& operator<<(std::ostream& os, const bool8_array& value)
    {
        os << std::format("{}", value);
        return os;
    }
}
 
#endif