GCC Code Coverage Report


Directory: libs/url/
File: libs/url/src/grammar/dec_octet_rule.cpp
Date: 2024-01-19 15:42:54
Exec Total Coverage
Lines: 30 30 100.0%
Functions: 1 1 100.0%
Branches: 28 28 100.0%

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1 //
2 // Copyright (c) 2016-2019 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/boostorg/url
8 //
9
10 #ifndef BOOST_URL_IMPL_GRAMMAR_DEC_OCTET_RULE_IPP
11 #define BOOST_URL_IMPL_GRAMMAR_DEC_OCTET_RULE_IPP
12
13 #include <boost/url/detail/config.hpp>
14 #include <boost/url/grammar/charset.hpp>
15 #include <boost/url/grammar/dec_octet_rule.hpp>
16 #include <boost/url/grammar/digit_chars.hpp>
17 #include <boost/url/grammar/error.hpp>
18
19 namespace boost {
20 namespace urls {
21 namespace grammar {
22
23 auto
24 2276 dec_octet_rule_t::
25 parse(
26 char const*& it,
27 char const* const end
28 ) const noexcept ->
29 system::result<value_type>
30 {
31
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2276 if(it == end)
32 {
33 // end
34 14 BOOST_URL_RETURN_EC(
35 error::mismatch);
36 }
37
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2262 if(! digit_chars(*it))
38 {
39 // expected DIGIT
40 1632 BOOST_URL_RETURN_EC(
41 error::mismatch);
42 }
43 630 unsigned v = *it - '0';
44 630 ++it;
45
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1194 if( it == end ||
46
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564 ! digit_chars(*it))
47 {
48 424 return static_cast<
49 424 value_type>(v);
50 }
51
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206 if(v == 0)
52 {
53 // leading '0'
54 11 BOOST_URL_RETURN_EC(
55 error::invalid);
56 }
57 195 v = (10 * v) + *it - '0';
58 195 ++it;
59
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386 if( it == end ||
60
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191 ! digit_chars(*it))
61 {
62 23 return static_cast<
63 23 value_type>(v);
64 }
65
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172 if(v > 25)
66 {
67 // integer overflow
68 13 BOOST_URL_RETURN_EC(
69 error::invalid);
70 }
71 159 v = (10 * v) + *it - '0';
72
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159 if(v > 255)
73 {
74 // integer overflow
75 17 BOOST_URL_RETURN_EC(
76 error::invalid);
77 }
78 142 ++it;
79
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272 if( it != end &&
80 130 digit_chars(*it))
81 {
82 // integer overflow
83 7 BOOST_URL_RETURN_EC(
84 error::invalid);
85 }
86 135 return static_cast<
87 135 value_type>(v);
88 }
89
90 } // grammar
91 } // urls
92 } // boost
93
94 #endif
95