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
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
** Copyright 2025 Double Precision, Inc.
** See COPYING for distribution information.
**
*/
#include "rfc2045/rfc2045.h"
rfc2045::entity_parser_base::entity_parser_base()=default;
rfc2045::entity_parser_base::~entity_parser_base()=default;
template<bool crlf> rfc2045::entity_parser<crlf>::~entity_parser()
{
// Call parsed_entity() to insure that the execution thread will get
// stopped, if we bailed out early without asking for the parsed_entity
// and then join the execution thread.
(void)this->parsed_entity();
parsing_thread.join();
}
namespace {
#if 0
}
#endif
// Define beginning/ending input iterators that the execution thread uses
// to parse content that was fed into the entity parser.
struct parser_end_iter {
};
struct parser_beg_iter {
rfc2045::entity_parser_base &entity_parser;
std::unique_lock<std::mutex> &lock;
mutable std::string buffer;
mutable std::string::iterator b{buffer.begin()}, e{b};
char store;
// If b==e on exit, there are no more chunks to parse.
char operator*() const
{
while (b == e)
{
if (!entity_parser.get_next_chunk(lock, buffer))
return 0;
b=buffer.begin();
e=buffer.end();
}
return *b;
}
parser_beg_iter &operator++()
{
operator*();
if (b != e)
++b;
return *this;
}
const char *operator++(int)
{
store=operator*();
if (b != e)
++b;
operator*(); // Must read the next chunk, if needed it.
return &store;
}
bool operator!=(const parser_end_iter &ei) const
{
return !operator==(ei);
}
bool operator==(const parser_end_iter &ei) const
{
operator*();
return b == e;
}
void drain()
{
while (b != e)
{
b=e;
operator*();
}
}
};
#if 0
{
#endif
}
template<bool crlf> rfc2045::entity_parser<crlf>::entity_parser()
{
parsing_thread=std::thread{
[this]
{
std::unique_lock lock{m};
parser_beg_iter b{*this, lock};
parser_end_iter e;
typename entity::template line_iter<crlf>::
template iter<parser_beg_iter,
parser_end_iter> i{b, e};
entity_getting_parsed.parse(i);
b.drain();
}};
}
template class rfc2045::entity_parser<false>;
template class rfc2045::entity_parser<true>;
|
