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
106
107
108
109
110
111
112
113
114
|
// 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_CBOR_CBOR_EVENT_READER_HPP
#define JSONCONS_EXT_CBOR_CBOR_EVENT_READER_HPP
#include <cstddef>
#include <memory>
#include <system_error>
#include <utility> // std::move
#include <jsoncons/config/compiler_support.hpp>
#include <jsoncons/config/jsoncons_config.hpp>
#include <jsoncons/source.hpp>
#include <jsoncons_ext/cbor/cbor_detail.hpp>
#include <jsoncons_ext/cbor/cbor_encoder.hpp>
#include <jsoncons_ext/cbor/cbor_error.hpp>
#include <jsoncons_ext/cbor/cbor_parser.hpp>
namespace jsoncons { namespace cbor {
template <typename Source,typename Allocator=std::allocator<char>>
class basic_cbor_reader
{
using char_type = char;
basic_cbor_parser<Source,Allocator> parser_;
basic_item_event_visitor_to_json_visitor<char_type,Allocator> adaptor_;
item_event_visitor& visitor_;
public:
template <typename Sourceable>
basic_cbor_reader(Sourceable&& source,
json_visitor& visitor,
const Allocator& alloc)
: basic_cbor_reader(std::forward<Sourceable>(source),
visitor,
cbor_decode_options(),
alloc)
{
}
template <typename Sourceable>
basic_cbor_reader(Sourceable&& source,
json_visitor& visitor,
const cbor_decode_options& options = cbor_decode_options(),
const Allocator& alloc=Allocator())
: parser_(std::forward<Sourceable>(source), options, alloc),
adaptor_(visitor, alloc), visitor_(adaptor_)
{
}
template <typename Sourceable>
basic_cbor_reader(Sourceable&& source,
item_event_visitor& visitor,
const Allocator& alloc)
: basic_cbor_reader(std::forward<Sourceable>(source),
visitor,
cbor_decode_options(),
alloc)
{
}
template <typename Sourceable>
basic_cbor_reader(Sourceable&& source,
item_event_visitor& visitor,
const cbor_decode_options& options = cbor_decode_options(),
const Allocator& alloc=Allocator())
: parser_(std::forward<Sourceable>(source), options, alloc),
visitor_(visitor)
{
}
void read()
{
std::error_code ec;
read(ec);
if (JSONCONS_UNLIKELY(ec))
{
JSONCONS_THROW(ser_error(ec,line(),column()));
}
}
void read(std::error_code& ec)
{
parser_.reset();
parser_.parse(visitor_, ec);
if (JSONCONS_UNLIKELY(ec))
{
return;
}
}
std::size_t line() const
{
return parser_.line();
}
std::size_t column() const
{
return parser_.column();
}
};
using cbor_stream_reader = basic_cbor_reader<jsoncons::binary_stream_source>;
using cbor_bytes_reader = basic_cbor_reader<jsoncons::bytes_source>;
} // namespace cbor_reader
} // namespace jsoncons
#endif // JSONCONS_EXT_CBOR_CBOR_EVENT_READER_HPP
|
