aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/include/winapi/error.hpp
blob: a14d333c206ec0169cd03cc96b919d375437bf70 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "winapi-common" project.
// For details, see https://github.com/egor-tensin/winapi-common.
// Distributed under the MIT License.

#pragma once

#include <boost/config.hpp>

#include <windows.h>

#include <cstdint>
#include <sstream>
#include <stdexcept>
#include <string>
#include <system_error>

namespace winapi {
namespace error {

class CategoryWindows : public std::error_category {
public:
    CategoryWindows() = default;

    const char* name() const BOOST_NOEXCEPT_OR_NOTHROW { return "Windows"; }

    std::string message(int32_t) const;
};

inline const CategoryWindows& category_windows() {
    static const CategoryWindows instance;
    return instance;
}

std::system_error windows(DWORD code, const char* function);

template <typename Ret>
std::runtime_error custom(Ret ret, const char* function) {
    std::ostringstream oss;
    oss << "Function " << function << " failed with error code " << ret;
    return std::runtime_error{oss.str()};
}

} // namespace error
} // namespace winapi