cigar_op.hpp

Go to the documentation of this file.

// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2022 deCODE Genetics
// Copyright (c) 2006-2020, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2020, Knut Reinert & MPI für molekulare Genetik
// This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
// shipped with this file and also available at: https://github.com/biocpp/biocpp-core/blob/main/LICENSE.md
// -----------------------------------------------------------------------------------------------------
 
#pragma once
 
#include <bio/alphabet/base.hpp>
 
// ------------------------------------------------------------------
// cigar_op
// ------------------------------------------------------------------
 
namespace bio::alphabet
{
 
class cigar_op : public base<cigar_op, 10, char>
{
private:
    using base_t = base<cigar_op, 10, char>;
 
    friend base_t;
 
public:
    constexpr cigar_op() noexcept                             = default; 
    constexpr cigar_op(cigar_op const &) noexcept             = default; 
    constexpr cigar_op(cigar_op &&) noexcept                  = default; 
    constexpr cigar_op & operator=(cigar_op const &) noexcept = default; 
    constexpr cigar_op & operator=(cigar_op &&) noexcept      = default; 
    ~cigar_op() noexcept                                      = default; 
 
protected:
 
    static constexpr std::array<char_type, alphabet_size>
      rank_to_char{'M', 'I', 'D', 'N', 'S', 'H', 'P', '=', 'X', 'B'};
 
    static constexpr std::array<rank_type, 256> char_to_rank = []() constexpr
    {
        std::array<rank_type, 256> ret{};
 
        // reverse mapping for characters
        for (size_t rnk = 0u; rnk < alphabet_size; ++rnk)
        {
            ret[rank_to_char[rnk]] = rnk;
        }
 
        return ret;
    }();
};
 
} // namespace bio::alphabet
 
// ------------------------------------------------------------------
// literals
// ------------------------------------------------------------------
 
namespace bio::alphabet
{
 
inline namespace literals
{
 
consteval cigar_op operator""_cigar_op(char const c)
{
    if (!char_is_valid_for<cigar_op>(c))
        throw std::invalid_argument{"Illegal character in character literal."};
    return cigar_op{}.assign_char(c);
}
} // namespace literals
 
} // namespace bio::alphabet