-
Notifications
You must be signed in to change notification settings - Fork 14
Expand file tree
/
Copy pathdeflate.cpp
More file actions
202 lines (173 loc) · 3.94 KB
/
deflate.cpp
File metadata and controls
202 lines (173 loc) · 3.94 KB
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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
//
// Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com)
// Copyright (c) 2025 Mohammad Nejati
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/cppalliance/http
//
#include <boost/capy/ex/system_context.hpp>
#include <boost/http/detail/config.hpp>
#include <boost/http/zlib/deflate.hpp>
#include "stream_cast.hpp"
#include <boost/core/detail/static_assert.hpp>
#include <zlib.h>
namespace boost {
namespace http {
namespace zlib {
BOOST_CORE_STATIC_ASSERT(sizeof(stream) == sizeof(z_stream_s));
BOOST_CORE_STATIC_ASSERT(is_layout_identical<stream, z_stream_s>());
//------------------------------------------------
class deflate_service_impl
: public deflate_service
{
public:
using key_type = deflate_service;
explicit
deflate_service_impl(
capy::execution_context&) noexcept
{
}
~deflate_service_impl()
{
}
char const*
version() const noexcept override
{
return zlibVersion();
}
int
init(
stream& st,
int level) const override
{
stream_cast sc(st);
return deflateInit(sc.get(), level);
}
int
init2(
stream& st,
int level,
int method,
int windowBits,
int memLevel,
int strategy) const override
{
stream_cast sc(st);
return deflateInit2(sc.get(),
level, method, windowBits,
memLevel, strategy);
}
int
set_dict(
stream& st,
unsigned char const* dict,
unsigned len) const override
{
stream_cast sc(st);
return deflateSetDictionary(sc.get(), dict, len);
}
int
get_dict(
stream& st,
unsigned char* dest,
unsigned* len) const override
{
stream_cast sc(st);
return deflateGetDictionary(sc.get(), dest, len);
}
int
dup(
stream& dest,
stream& src) const override
{
stream_cast sc0(dest);
stream_cast sc1(src);
return deflateCopy(sc0.get(), sc1.get());
}
int
deflate(
stream& st,
int flush) const override
{
stream_cast sc(st);
return ::deflate(sc.get(), flush);
}
int
deflate_end(
stream& st) const override
{
stream_cast sc(st);
return deflateEnd(sc.get());
}
int
reset(
stream& st) const override
{
stream_cast sc(st);
return deflateReset(sc.get());
}
int
params(
stream& st,
int level,
int strategy) const override
{
stream_cast sc(st);
return deflateParams(sc.get(), level, strategy);
}
std::size_t
bound(
stream& st,
unsigned long sourceLen) const override
{
stream_cast sc(st);
return deflateBound(sc.get(), sourceLen);
}
int
pending(
stream& st,
unsigned* pending,
int* bits) const override
{
stream_cast sc(st);
return deflatePending(sc.get(), pending, bits);
}
int
prime(
stream& st,
int bits,
int value) const override
{
stream_cast sc(st);
return deflatePrime(sc.get(), bits, value);
}
int
set_header(
stream& st,
void* header) const override
{
stream_cast sc(st);
return deflateSetHeader(sc.get(),
reinterpret_cast<gz_header*>(header));
}
};
BOOST_HTTP_DECL
deflate_service&
install_deflate_service(capy::execution_context& ctx)
{
return ctx.make_service<deflate_service_impl>();
}
struct inflate_service;
inflate_service&
install_inflate_service(capy::execution_context&);
void
install_zlib_service()
{
install_deflate_service(capy::get_system_context());
install_inflate_service(capy::get_system_context());
}
} // zlib
} // http
} // boost