cigar_op.hpp

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// -----------------------------------------------------------------------------------------------------
// 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/seqan/seqan3/blob/master/LICENSE.md
// -----------------------------------------------------------------------------------------------------
 
#pragma once
 
#include <seqan3/alphabet/alphabet_base.hpp>
 
// ------------------------------------------------------------------
// cigar_op
// ------------------------------------------------------------------
 
namespace seqan3
{
 
class cigar_op : public alphabet_base<cigar_op, 9, char>
{
private:
    using base_t = alphabet_base<cigar_op, 9, 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 char_type rank_to_char[alphabet_size]
    {
        'M',
        'D',
        'I',
        'S',
        'H',
        'N',
        'P',
        'X',
        '='
    };
 
    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;
        }()
    };
};
 
// ------------------------------------------------------------------
// literals
// ------------------------------------------------------------------
 
inline cigar_op operator""_cigar_op(char const c) noexcept
{
    return cigar_op{}.assign_char(c);
}
} // namespace seqan3