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97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
/* vim:set ts=2 sw=2 sts=2 et: */
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/**
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* \author Marcus Holland-Moritz (github@mhxnet.de)
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* \copyright Copyright (c) Marcus Holland-Moritz
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*
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* This file is part of dwarfs.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the “Software”), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* SPDX-License-Identifier: MIT
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*/
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#pragma once
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#include <concepts>
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#include <iterator>
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#include <type_traits>
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#include <utility>
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#include <range/v3/algorithm/copy.hpp>
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#include <range/v3/range/conversion.hpp>
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#include <range/v3/view/map.hpp>
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#include <range/v3/view/split.hpp>
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#include <dwarfs/conv.h>
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namespace dwarfs {
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template <typename T, typename Input, typename Delim>
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auto split_view(Input&& input, Delim&& delim)
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requires(std::same_as<T, std::string> || std::same_as<T, std::string_view>)
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{
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return std::forward<Input>(input) |
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ranges::views::split(std::forward<Delim>(delim)) |
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ranges::views::transform([](auto&& rng) {
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return T(&*rng.begin(), ranges::distance(rng));
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});
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}
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template <typename T, typename Input, typename Delim>
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auto split_view(Input&& input, Delim&& delim)
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requires std::is_arithmetic_v<T>
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{
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return std::forward<Input>(input) |
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ranges::views::split(std::forward<Delim>(delim)) |
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ranges::views::transform([](auto&& rng) {
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return to<T>(std::string_view(&*rng.begin(), ranges::distance(rng)));
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});
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}
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template <typename T, typename Delim>
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auto split_view(char const* input, Delim&& delim) {
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return split_view<T>(std::string_view(input), std::forward<Delim>(delim));
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}
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template <typename R, typename Input, typename Delim>
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R split_to(Input&& input, Delim&& delim) {
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return split_view<typename R::value_type>(std::forward<Input>(input),
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std::forward<Delim>(delim)) |
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ranges::to<R>;
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}
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template <typename R, typename Delim>
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R split_to(char const* input, Delim&& delim) {
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return split_to<R>(std::string_view(input), std::forward<Delim>(delim));
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}
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template <typename Input, typename Delim, typename Container>
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void split_to(Input&& input, Delim&& delim, Container& container) {
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ranges::copy(split_view<typename Container::value_type>(
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std::forward<Input>(input), std::forward<Delim>(delim)),
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std::inserter(container, container.end()));
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}
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template <typename Delim, typename Container>
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void split_to(char const* input, Delim&& delim, Container& container) {
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split_to(std::string_view(input), std::forward<Delim>(delim), container);
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}
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} // namespace dwarfs
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