libs/capy/src/cond.cpp
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|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/cppalliance/capy | ||
| 8 | // | ||
| 9 | |||
| 10 | #include <boost/capy/cond.hpp> | ||
| 11 | #include <boost/capy/error.hpp> | ||
| 12 | #include <boost/system/errc.hpp> | ||
| 13 | #include <system_error> | ||
| 14 | |||
| 15 | namespace boost { | ||
| 16 | namespace capy { | ||
| 17 | |||
| 18 | namespace detail { | ||
| 19 | |||
| 20 | const char* | ||
| 21 | 1 | cond_cat_type:: | |
| 22 | name() const noexcept | ||
| 23 | { | ||
| 24 | 1 | return "boost.capy"; | |
| 25 | } | ||
| 26 | |||
| 27 | std::string | ||
| 28 | 2 | cond_cat_type:: | |
| 29 | message(int code) const | ||
| 30 | { | ||
| 31 |
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4 | return message(code, nullptr, 0); |
| 32 | } | ||
| 33 | |||
| 34 | char const* | ||
| 35 | 2 | cond_cat_type:: | |
| 36 | message( | ||
| 37 | int code, | ||
| 38 | char*, | ||
| 39 | std::size_t) const noexcept | ||
| 40 | { | ||
| 41 |
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2 | switch(static_cast<cond>(code)) |
| 42 | { | ||
| 43 | 1 | case cond::eof: return "end of file"; | |
| 44 | 1 | case cond::canceled: return "operation canceled"; | |
| 45 | ✗ | case cond::stream_truncated: return "stream truncated"; | |
| 46 | ✗ | default: | |
| 47 | ✗ | return "unknown"; | |
| 48 | } | ||
| 49 | } | ||
| 50 | |||
| 51 | bool | ||
| 52 | 9 | cond_cat_type:: | |
| 53 | equivalent( | ||
| 54 | system::error_code const& ec, | ||
| 55 | int condition) const noexcept | ||
| 56 | { | ||
| 57 |
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9 | switch(static_cast<cond>(condition)) |
| 58 | { | ||
| 59 | 5 | case cond::eof: | |
| 60 | 5 | return ec == capy::error::eof; | |
| 61 | |||
| 62 | 4 | case cond::canceled: | |
| 63 | // Check capy::error::canceled | ||
| 64 |
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4 | if(ec == capy::error::canceled) |
| 65 | ✗ | return true; | |
| 66 | // Check boost::system::errc | ||
| 67 |
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4 | if(ec == boost::system::errc::operation_canceled) |
| 68 | 2 | return true; | |
| 69 | // Check std::errc | ||
| 70 |
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2 | if(ec == std::errc::operation_canceled) |
| 71 | ✗ | return true; | |
| 72 | 2 | return false; | |
| 73 | |||
| 74 | ✗ | case cond::stream_truncated: | |
| 75 | ✗ | return ec == capy::error::stream_truncated; | |
| 76 | |||
| 77 | ✗ | default: | |
| 78 | ✗ | return false; | |
| 79 | } | ||
| 80 | } | ||
| 81 | |||
| 82 | //----------------------------------------------- | ||
| 83 | |||
| 84 | // msvc 14.0 has a bug that warns about inability | ||
| 85 | // to use constexpr construction here, even though | ||
| 86 | // there's no constexpr construction | ||
| 87 | #if defined(_MSC_VER) && _MSC_VER <= 1900 | ||
| 88 | # pragma warning( push ) | ||
| 89 | # pragma warning( disable : 4592 ) | ||
| 90 | #endif | ||
| 91 | |||
| 92 | #if defined(__cpp_constinit) && __cpp_constinit >= 201907L | ||
| 93 | constinit cond_cat_type cond_cat; | ||
| 94 | #else | ||
| 95 | cond_cat_type cond_cat; | ||
| 96 | #endif | ||
| 97 | |||
| 98 | #if defined(_MSC_VER) && _MSC_VER <= 1900 | ||
| 99 | # pragma warning( pop ) | ||
| 100 | #endif | ||
| 101 | |||
| 102 | } // detail | ||
| 103 | |||
| 104 | } // capy | ||
| 105 | } // boost | ||
| 106 |