pretty_print.hpp

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// SPDX-FileCopyrightText: 2006-2024 Knut Reinert & Freie Universität Berlin
// SPDX-FileCopyrightText: 2016-2024 Knut Reinert & MPI für molekulare Genetik
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include <string>
 
#include <seqan3/core/platform.hpp>
 
namespace seqan3::detail
{
 
// ----------------------------------------------------------------------------
// make_printable
// ----------------------------------------------------------------------------
 
inline std::string make_printable(char const c)
{
    switch (c)
    {
    case '\0':
        return "'\\0'";
    case '\t':
        return "'\\t'";
    case '\n':
        return "'\\n'";
    case '\v':
        return "'\\v'";
    case '\f':
        return "'\\f'";
    case '\r':
        return "'\\r'";
    case static_cast<char>(127):
        return "'DEL'";
    default:
    {
        if ((c >= static_cast<char>(1) && c <= static_cast<char>(8))
            || (c >= static_cast<char>(14) && c <= static_cast<char>(31)))
            return "'CTRL'";
        else
            return {'\'', c, '\''};
    }
    }
}
 
} // namespace seqan3::detail