Line | Branch | Exec | Source |
---|---|---|---|
1 | // | ||
2 | // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.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/boostorg/url | ||
8 | // | ||
9 | |||
10 | |||
11 | #include <boost/url/detail/config.hpp> | ||
12 | #include "boost/url/detail/replacement_field_rule.hpp" | ||
13 | #include <boost/url/grammar/alnum_chars.hpp> | ||
14 | #include <boost/url/grammar/alpha_chars.hpp> | ||
15 | #include <boost/url/grammar/delim_rule.hpp> | ||
16 | #include <boost/url/grammar/lut_chars.hpp> | ||
17 | #include <boost/url/grammar/optional_rule.hpp> | ||
18 | #include <boost/url/grammar/parse.hpp> | ||
19 | #include <boost/url/grammar/token_rule.hpp> | ||
20 | #include <boost/url/grammar/tuple_rule.hpp> | ||
21 | #include <boost/url/grammar/vchars.hpp> | ||
22 | |||
23 | namespace boost { | ||
24 | namespace urls { | ||
25 | namespace detail { | ||
26 | |||
27 | auto | ||
28 | 673 | replacement_field_rule_t:: | |
29 | parse( | ||
30 | char const*& it, | ||
31 | char const* const end) const noexcept -> | ||
32 | system::result<value_type> | ||
33 | { | ||
34 | static constexpr auto replacement_field_rules = | ||
35 | grammar::tuple_rule( | ||
36 | // open | ||
37 | grammar::squelch( | ||
38 | grammar::delim_rule('{')), | ||
39 | // id | ||
40 | grammar::optional_rule(arg_id_rule), | ||
41 | // format options | ||
42 | grammar::optional_rule( | ||
43 | grammar::tuple_rule( | ||
44 | grammar::squelch( | ||
45 | grammar::delim_rule(':')), | ||
46 | format_spec_rule)), | ||
47 | // close | ||
48 | grammar::squelch( | ||
49 | grammar::delim_rule('}'))); | ||
50 | 673 | auto it0 = it; | |
51 | 1346 | auto rv = grammar::parse(it, end, replacement_field_rules); | |
52 |
2/2✓ Branch 1 taken 328 times.
✓ Branch 2 taken 345 times.
|
673 | if (!rv) |
53 | { | ||
54 | 328 | BOOST_URL_RETURN_EC( | |
55 | grammar::error::mismatch); | ||
56 | } | ||
57 | 345 | return core::string_view(it0, it); | |
58 | } | ||
59 | |||
60 | auto | ||
61 | 720 | identifier_rule_t:: | |
62 | parse( | ||
63 | char const*& it, | ||
64 | char const* const end) const noexcept | ||
65 | -> system::result<value_type> | ||
66 | { | ||
67 | static constexpr auto identifier_rules = | ||
68 | grammar::tuple_rule( | ||
69 | grammar::delim_rule( | ||
70 | grammar::alpha_chars + | ||
71 | grammar::lut_chars('_')), | ||
72 | grammar::optional_rule( | ||
73 | grammar::token_rule( | ||
74 | grammar::alnum_chars + | ||
75 | grammar::lut_chars('_')))); | ||
76 | 720 | char const* it0 = it; | |
77 | 1440 | auto rv = grammar::parse(it, end, identifier_rules); | |
78 |
2/2✓ Branch 1 taken 349 times.
✓ Branch 2 taken 371 times.
|
720 | if (!rv) |
79 | { | ||
80 | 349 | BOOST_URL_RETURN_EC( | |
81 | grammar::error::mismatch); | ||
82 | } | ||
83 | 371 | return core::string_view(it0, it); | |
84 | } | ||
85 | |||
86 | auto | ||
87 | 86 | format_spec_rule_t:: | |
88 | parse( | ||
89 | char const*& it, | ||
90 | char const* const end) const noexcept | ||
91 | -> system::result<value_type> | ||
92 | { | ||
93 |
2/2✓ Branch 0 taken 2 times.
✓ Branch 1 taken 84 times.
|
86 | if (it == end) |
94 | 2 | return {}; | |
95 | |||
96 | // any tokens allowed in fmt specs | ||
97 | static constexpr auto fmt_specs_token_rule = | ||
98 | grammar::optional_rule( | ||
99 | grammar::token_rule( | ||
100 | grammar::vchars + | ||
101 | grammar::lut_chars(' ') | ||
102 | - "{}")); | ||
103 | |||
104 | // internal ids in the fmt specs | ||
105 | // "{" [arg_id] "}" | ||
106 | static constexpr auto internal_id_rule = | ||
107 | grammar::tuple_rule( | ||
108 | grammar::squelch( | ||
109 | grammar::delim_rule('{')), | ||
110 | grammar::optional_rule( | ||
111 | arg_id_rule), | ||
112 | grammar::squelch( | ||
113 | grammar::delim_rule('}'))); | ||
114 | |||
115 | 84 | auto start = it; | |
116 | // consume fmt_spec chars | ||
117 |
1/2✓ Branch 3 taken 112 times.
✗ Branch 4 not taken.
|
112 | while (grammar::parse(it, end, fmt_specs_token_rule)) |
118 | { | ||
119 | 112 | auto it0 = it; | |
120 | // consume internal id | ||
121 |
2/2✓ Branch 3 taken 84 times.
✓ Branch 4 taken 28 times.
|
112 | if (!grammar::parse(it, end, internal_id_rule)) |
122 | { | ||
123 | // rewind | ||
124 | 84 | it = it0; | |
125 | 84 | break; | |
126 | } | ||
127 | } | ||
128 | |||
129 | 84 | return core::string_view(start, it); | |
130 | } | ||
131 | |||
132 | } // detail | ||
133 | } // urls | ||
134 | } // boost | ||
135 | |||
136 |