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42 lines
881 B
C++
42 lines
881 B
C++
// SPDX-FileCopyrightText: Copyright (c) 2022 merryhime <https://mary.rs>
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// SPDX-License-Identifier: MIT
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#pragma once
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#include <algorithm>
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#include <cstddef>
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namespace oaknut {
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template<size_t N>
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struct StringLiteral {
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constexpr StringLiteral(const char (&str)[N])
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{
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std::copy_n(str, N, value);
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}
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static constexpr std::size_t strlen = N - 1;
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static constexpr std::size_t size = N;
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char value[N];
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};
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namespace detail {
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template<StringLiteral<33> haystack, StringLiteral needles>
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consteval std::uint32_t find()
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{
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std::uint32_t result = 0;
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for (std::size_t i = 0; i < 32; i++) {
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for (std::size_t a = 0; a < needles.strlen; a++) {
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if (haystack.value[i] == needles.value[a]) {
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result |= 1 << (31 - i);
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}
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}
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}
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return result;
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}
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} // namespace detail
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} // namespace oaknut
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