src/response_base.cpp

95.1% Lines (39/41) 100.0% Functions (2/2)
src/response_base.cpp
Line TLA Hits Source Code
1 //
2 // Copyright (c) 2025 Mohammad Nejati
3 //
4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // Official repository: https://github.com/cppalliance/http
8 //
9
10 #include <boost/http/response_base.hpp>
11
12 #include <cstring>
13
14 namespace boost {
15 namespace http {
16
17 void
18 26 response_base::
19 set_start_line_impl(
20 http::status sc,
21 unsigned short si,
22 core::string_view rs,
23 http::version v)
24 {
25 // TODO: check validity
26 26 auto const vs = to_string(v);
27 auto const new_prefix =
28 26 vs.size() + 1 + // HTTP-version SP
29 26 3 + 1 + // status-code SP
30 26 rs.size() + 2; // reason-phrase CRLF
31
32 // Introduce a new scope so that prefix_op's
33 // destructor runs before h_.on_start_line().
34 {
35 26 auto op = prefix_op_t(*this, new_prefix, &rs);
36 25 char* dest = h_.buf;
37
38 25 h_.version = v;
39 25 vs.copy(dest, vs.size());
40 25 dest += vs.size();
41 25 *dest++ = ' ';
42
43 25 h_.res.status = sc;
44 25 h_.res.status_int = si;
45 25 dest[0] = '0' + ((h_.res.status_int / 100) % 10);
46 25 dest[1] = '0' + ((h_.res.status_int / 10) % 10);
47 25 dest[2] = '0' + ((h_.res.status_int / 1) % 10);
48 25 dest[3] = ' ';
49 25 dest += 4;
50
51 25 std::memmove(dest, rs.data(), rs.size());
52 25 dest += rs.size();
53 25 dest[0] = '\r';
54 25 dest[1] = '\n';
55 25 }
56
57 25 h_.on_start_line();
58 25 }
59
60 void
61 3 response_base::
62 set_version(
63 http::version v)
64 {
65 3 if(v == h_.version)
66 1 return;
67 2 if(h_.is_default())
68 {
69 1 auto def = h_.get_default(detail::kind::response);
70 return set_start_line_impl(
71 1 def->res.status, def->res.status_int,
72 core::string_view(
73 2 def->cbuf + 13, def->prefix - 15), v);
74 }
75
76 // Introduce a new scope so that prefix_op's
77 // destructor runs before h_.on_start_line().
78 {
79 auto op = prefix_op_t(
80 1 *this, h_.prefix, nullptr);
81 1 char* dest = h_.buf;
82 1 if(v == http::version::http_1_1)
83 1 dest[7] = '1';
84 else
85 dest[7] = '0';
86 1 h_.version = v;
87 1 }
88
89 1 h_.on_start_line();
90 }
91
92 } // http
93 } // boost
94