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#ifndef BOOST_LEAF_TEST_EC_HPP_INCLUDED
#define BOOST_LEAF_TEST_EC_HPP_INCLUDED
// Copyright 2018-2024 Emil Dotchevski and Reverge Studios, Inc.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <system_error>
enum class errc_a { a0 = 10, a1, a2, a3 };
namespace std { template <> struct is_error_code_enum<errc_a>: true_type { }; }
inline std::error_category const & cat_errc_a()
{
class cat : public std::error_category
{
char const * name() const noexcept
{
return "errc_a";
}
std::string message(int code) const
{
switch( errc_a(code) )
{
case errc_a::a0: return "a0";
case errc_a::a1: return "a1";
case errc_a::a2: return "a2";
case errc_a::a3: return "a3";
default: return "error";
}
}
};
static cat c;
return c;
}
inline std::error_code make_error_code( errc_a code )
{
return std::error_code(int(code), cat_errc_a());
}
template <int> struct e_errc_a { std::error_code value; };
////////////////////////////////////////
enum class errc_b { b0 = 20, b1, b2, b3 };
namespace std { template <> struct is_error_code_enum<errc_b>: true_type { }; };
inline std::error_category const & cat_errc_b()
{
class cat : public std::error_category
{
char const * name() const noexcept
{
return "errc_b";
}
std::string message(int code) const
{
switch( errc_b(code) )
{
case errc_b::b0: return "b0";
case errc_b::b1: return "b1";
case errc_b::b2: return "b2";
case errc_b::b3: return "b3";
default: return "error";
}
}
};
static cat c;
return c;
}
inline std::error_code make_error_code( errc_b code )
{
return std::error_code(int(code), cat_errc_b());
}
template <int> struct e_errc_b { std::error_code value; };
////////////////////////////////////////
enum class cond_x { x00 = 30, x11, x22, x33 };
namespace std { template <> struct is_error_condition_enum<cond_x>: true_type { }; };
inline std::error_category const & cat_cond_x()
{
class cat : public std::error_category
{
char const * name() const noexcept
{
return "cond_x";
}
std::string message(int cond) const
{
switch( cond_x(cond) )
{
case cond_x::x00:
return "x00";
case cond_x::x11:
return "x11";
case cond_x::x22:
return "x22";
case cond_x::x33:
return "x33";
default:
return "error";
}
}
bool equivalent(std::error_code const & code, int cond) const noexcept
{
switch( cond_x(cond) )
{
case cond_x::x00:
return code == make_error_code(errc_a::a0) || code == make_error_code(errc_b::b0);
case cond_x::x11:
return code == make_error_code(errc_a::a1) || code == make_error_code(errc_b::b1);
case cond_x::x22:
return code == make_error_code(errc_a::a2) || code == make_error_code(errc_b::b2);
case cond_x::x33:
return code == make_error_code(errc_a::a3) || code == make_error_code(errc_b::b3);
default:
return false;
}
}
};
static cat c;
return c;
}
inline std::error_condition make_error_condition( cond_x cond )
{
return std::error_condition(int(cond), cat_cond_x());
}
template <int> struct e_cond_x { cond_x value; };
////////////////////////////////////////
enum class cond_y { y03 = 40, y12, y21, y30 };
namespace std { template <> struct is_error_condition_enum<cond_y>: true_type { }; };
inline std::error_category const & cat_cond_y()
{
class cat : public std::error_category
{
char const * name() const noexcept
{
return "cond_y";
}
std::string message( int cond ) const
{
switch( cond_y(cond) )
{
case cond_y::y03:
return "y03";
case cond_y::y12:
return "y12";
case cond_y::y21:
return "y21";
case cond_y::y30:
return "y30";
default:
return "error";
}
}
bool equivalent(std::error_code const & code, int cond) const noexcept
{
switch( cond_y(cond) )
{
case cond_y::y03:
return code == make_error_code(errc_a::a0) || code == make_error_code(errc_b::b0);
case cond_y::y12:
return code == make_error_code(errc_a::a1) || code == make_error_code(errc_b::b1);
case cond_y::y21:
return code == make_error_code(errc_a::a2) || code == make_error_code(errc_b::b2);
case cond_y::y30:
return code == make_error_code(errc_a::a3) || code == make_error_code(errc_b::b3);
default:
return false;
}
}
};
static cat c;
return c;
}
inline std::error_condition make_error_condition( cond_y cond )
{
return std::error_condition(int(cond), cat_cond_y());
}
template <int> struct e_cond_y { cond_y value; };
#endif
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