GCC Code Coverage Report


Directory: libs/http_proto/include/boost/http_proto/
File: boost/http_proto/rfc/impl/transfer_encoding_rule.ipp
Date: 2023-02-02 18:17:22
Exec Total Coverage
Lines: 47 54 87.0%
Functions: 2 2 100.0%
Branches: 19 24 79.2%

Line Branch Exec Source
1 //
2 // Copyright (c) 2021 Vinnie Falco (vinnie dot falco at gmail dot com)
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_proto
8 //
9
10 #ifndef BOOST_HTTP_PROTO_RFC_IMPL_TRANSFER_ENCODING_RULE_IPP
11 #define BOOST_HTTP_PROTO_RFC_IMPL_TRANSFER_ENCODING_RULE_IPP
12
13 #include <boost/http_proto/rfc/transfer_encoding_rule.hpp>
14 #include <boost/http_proto/rfc/token_rule.hpp>
15 #include <boost/http_proto/rfc/detail/rules.hpp>
16 #include <boost/url/grammar/ci_string.hpp>
17 #include <boost/url/grammar/parse.hpp>
18
19 namespace boost {
20 namespace http_proto {
21
22 //------------------------------------------------
23
24 namespace detail {
25
26 /*
27 tparams = *tparam
28 tparam = OWS ";" OWS token BWS "=" BWS ( token / quoted-string )
29 */
30
31 struct tparam_rule_t
32 {
33 using value_type =
34 transfer_coding::param;
35
36 auto
37 49 parse(
38 char const*& it,
39 char const* end) const noexcept ->
40 result<value_type>
41 {
42 49 value_type t;
43 49 auto it0 = it;
44 // OWS
45 49 it = grammar::find_if_not(
46 it, end, ws);
47 // ";"
48
2/2
✓ Branch 0 taken 15 times.
✓ Branch 1 taken 34 times.
49 if(it == end)
49 {
50 15 it = it0;
51 15 BOOST_HTTP_PROTO_RETURN_EC(
52 grammar::error::need_more);
53 }
54
2/2
✓ Branch 0 taken 20 times.
✓ Branch 1 taken 14 times.
34 if(*it != ';')
55 {
56 20 it = it0;
57 20 BOOST_HTTP_PROTO_RETURN_EC(
58 grammar::error::mismatch);
59 }
60 14 ++it;
61 // OWS
62 14 it = grammar::find_if_not(
63 it, end, ws);
64 // token
65 {
66 auto rv = grammar::parse(
67 14 it, end, token_rule);
68
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 14 times.
14 if(! rv)
69 return rv.error();
70 14 t.key = *rv;
71 }
72 // BWS
73 14 it = grammar::find_if_not(
74 it, end, ws);
75 // "="
76
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 14 times.
14 if(it == end)
77 {
78 it = it0;
79 BOOST_HTTP_PROTO_RETURN_EC(
80 grammar::error::need_more);
81 }
82
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 14 times.
14 if(*it != '=')
83 {
84 it = it0;
85 BOOST_HTTP_PROTO_RETURN_EC(
86 grammar::error::syntax);
87 }
88 14 ++it;
89 // BWS
90 14 it = grammar::find_if_not(
91 it, end, ws);
92 // quoted-token
93 {
94 auto rv = grammar::parse(
95 14 it, end, quoted_token_rule);
96
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 14 times.
14 if(! rv)
97 return rv.error();
98 14 t.value = *rv;
99 }
100 14 return t;
101 }
102 };
103
104 constexpr tparam_rule_t tparam_rule{};
105
106 } // detail
107
108 //------------------------------------------------
109
110 auto
111 179 transfer_coding_rule_t::
112 parse(
113 char const*& it,
114 char const* end) const noexcept ->
115 result<value_type>
116 {
117 358 value_type t;
118 {
119 // token
120 auto rv = grammar::parse(
121 179 it, end, token_rule);
122
2/2
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 171 times.
179 if(! rv)
123 8 return rv.error();
124 171 t.str = *rv;
125
126 // These can't have tparams
127
2/2
✓ Branch 2 taken 69 times.
✓ Branch 3 taken 102 times.
171 if(grammar::ci_is_equal(
128 t.str, "chunked"))
129 {
130 69 t.id = transfer_coding::chunked;
131 69 return t;
132 }
133
2/2
✓ Branch 2 taken 34 times.
✓ Branch 3 taken 68 times.
102 if(grammar::ci_is_equal(
134 t.str, "compress"))
135 {
136 34 t.id = transfer_coding::compress;
137 34 return t;
138 }
139
2/2
✓ Branch 2 taken 7 times.
✓ Branch 3 taken 61 times.
68 if(grammar::ci_is_equal(
140 t.str, "deflate"))
141 {
142 7 t.id = transfer_coding::deflate;
143 7 return t;
144 }
145
2/2
✓ Branch 2 taken 26 times.
✓ Branch 3 taken 35 times.
61 if(grammar::ci_is_equal(
146 t.str, "gzip"))
147 {
148 26 t.id = transfer_coding::gzip;
149 26 return t;
150 }
151 }
152 // *( OWS ";" OWS token BWS "=" BWS ( token / quoted-string )
153 {
154 auto rv = grammar::parse(it, end,
155 35 grammar::range_rule(
156 35 detail::tparam_rule));
157
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 35 times.
35 if(! rv)
158 return rv.error();
159 35 t.params = std::move(*rv);
160 }
161 35 return t;
162 }
163
164 } // http_proto
165 } // boost
166
167 #endif
168