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cond.cpp
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93 lines (77 loc) · 1.94 KB
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//
// Copyright (c) 2025 Vinnie Falco ([email protected])
//
// 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)
//
// Official repository: https://github.com/cppalliance/capy
//
#include <boost/capy/cond.hpp>
#include <boost/capy/error.hpp>
#include <system_error>
namespace boost {
namespace capy {
namespace detail {
const char*
cond_cat_type::
name() const noexcept
{
return "boost.capy";
}
std::string
cond_cat_type::
message(int code) const
{
switch(static_cast<cond>(code))
{
case cond::eof: return "end of file";
case cond::canceled: return "operation canceled";
case cond::stream_truncated: return "stream truncated";
case cond::not_found: return "not found";
default:
return "unknown";
}
}
bool
cond_cat_type::
equivalent(
std::error_code const& ec,
int condition) const noexcept
{
switch(static_cast<cond>(condition))
{
case cond::eof:
return ec == capy::error::eof;
case cond::canceled:
if(ec == capy::error::canceled)
return true;
if(ec == std::errc::operation_canceled)
return true;
return false;
case cond::stream_truncated:
return ec == capy::error::stream_truncated;
case cond::not_found:
return ec == capy::error::not_found;
default:
return false;
}
}
//-----------------------------------------------
// msvc 14.0 has a bug that warns about inability
// to use constexpr construction here, even though
// there's no constexpr construction
#if defined(_MSC_VER) && _MSC_VER <= 1900
# pragma warning( push )
# pragma warning( disable : 4592 )
#endif
#if defined(__cpp_constinit) && __cpp_constinit >= 201907L
constinit cond_cat_type cond_cat;
#else
cond_cat_type cond_cat;
#endif
#if defined(_MSC_VER) && _MSC_VER <= 1900
# pragma warning( pop )
#endif
} // detail
} // capy
} // boost