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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/// Copyright 2013-2025 Daniel Parker
// Distributed under the Boost license, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See https://github.com/danielaparker/jsoncons for latest version
#ifndef JSONCONS_EXT_BSON_BSON_ERROR_HPP
#define JSONCONS_EXT_BSON_BSON_ERROR_HPP
#include <string>
#include <system_error>
#include <type_traits>
namespace jsoncons { namespace bson {
enum class bson_errc
{
success = 0,
unexpected_eof = 1,
source_error,
invalid_utf8_text_string,
max_nesting_depth_exceeded,
string_length_is_non_positive,
length_is_negative,
number_too_large,
invalid_decimal128_string,
datetime_too_small,
datetime_too_large,
expected_bson_document,
invalid_regex_string,
size_mismatch,
unknown_type
};
class bson_error_category_impl
: public std::error_category
{
public:
const char* name() const noexcept override
{
return "jsoncons/bson";
}
std::string message(int ev) const override
{
switch (static_cast<bson_errc>(ev))
{
case bson_errc::unexpected_eof:
return "Unexpected end of file";
case bson_errc::source_error:
return "Source error";
case bson_errc::invalid_utf8_text_string:
return "Illegal UTF-8 encoding in text string";
case bson_errc::max_nesting_depth_exceeded:
return "Data item nesting exceeds limit in options";
case bson_errc::string_length_is_non_positive:
return "Request for the length of a string returned a non-positive result";
case bson_errc::length_is_negative:
return "Request for the length of a binary returned a negative result";
case bson_errc::unknown_type:
return "An unknown type was found in the stream";
case bson_errc::number_too_large:
return "Number too large";
case bson_errc::invalid_decimal128_string:
return "Invalid decimal128 string";
case bson_errc::datetime_too_large:
return "datetime too large";
case bson_errc::datetime_too_small:
return "datetime too small";
case bson_errc::expected_bson_document:
return "Expected BSON document";
case bson_errc::invalid_regex_string:
return "Invalid regex string";
case bson_errc::size_mismatch:
return "Document or array size doesn't match bytes read";
default:
return "Unknown BSON parser error";
}
}
};
inline
const std::error_category& bson_error_category()
{
static bson_error_category_impl instance;
return instance;
}
inline
std::error_code make_error_code(bson_errc result)
{
return std::error_code(static_cast<int>(result),bson_error_category());
}
} // namespace bson
} // namespace jsoncons
namespace std {
template<>
struct is_error_code_enum<jsoncons::bson::bson_errc> : public true_type
{
};
} // namespace std
#endif // JSONCONS_EXT_BSON_BSON_ERROR_HPP
|
