libs/url/include/boost/url/rfc/impl/pct_encoded_rule.hpp
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libs/url/include/boost/url/rfc/impl/pct_encoded_rule.hpp
| Line | Branch | Hits | Source Code |
|---|---|---|---|
| 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_RFC_IMPL_PCT_ENCODED_RULE_HPP | ||
| 11 | #define BOOST_URL_RFC_IMPL_PCT_ENCODED_RULE_HPP | ||
| 12 | |||
| 13 | #include <boost/url/grammar/charset.hpp> | ||
| 14 | #include <boost/url/grammar/error.hpp> | ||
| 15 | #include <boost/url/grammar/hexdig_chars.hpp> | ||
| 16 | |||
| 17 | namespace boost { | ||
| 18 | namespace urls { | ||
| 19 | |||
| 20 | namespace detail { | ||
| 21 | |||
| 22 | template<class CharSet> | ||
| 23 | auto | ||
| 24 | 9889 | parse_encoded( | |
| 25 | char const*& it, | ||
| 26 | char const* end, | ||
| 27 | CharSet const& cs) noexcept -> | ||
| 28 | system::result<pct_string_view> | ||
| 29 | { | ||
| 30 | 9889 | auto const start = it; | |
| 31 | 9889 | std::size_t n = 0; | |
| 32 | char const* it0; | ||
| 33 | 10245 | skip: | |
| 34 | 10245 | it0 = it; | |
| 35 | 10245 | it = grammar::find_if_not( | |
| 36 | it0, end, cs); | ||
| 37 | 10245 | n += it - it0; | |
| 38 |
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10245 | if(it == end) |
| 39 | 2954 | goto finish; | |
| 40 |
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7291 | if(*it != '%') |
| 41 | 6836 | goto finish; | |
| 42 | 212 | for(;;) | |
| 43 | { | ||
| 44 | 667 | ++it; | |
| 45 |
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667 | if(it == end) |
| 46 | { | ||
| 47 | // expected HEXDIG | ||
| 48 | 14 | BOOST_URL_RETURN_EC( | |
| 49 | grammar::error::invalid); | ||
| 50 | } | ||
| 51 | 653 | auto r = grammar::hexdig_value(*it); | |
| 52 |
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653 | if(r < 0) |
| 53 | { | ||
| 54 | // expected HEXDIG | ||
| 55 | 12 | BOOST_URL_RETURN_EC( | |
| 56 | grammar::error::invalid); | ||
| 57 | } | ||
| 58 | 641 | ++it; | |
| 59 |
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641 | if(it == end) |
| 60 | { | ||
| 61 | // expected HEXDIG | ||
| 62 | 5 | BOOST_URL_RETURN_EC( | |
| 63 | grammar::error::invalid); | ||
| 64 | } | ||
| 65 | 636 | r = grammar::hexdig_value(*it); | |
| 66 |
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636 | if(r < 0) |
| 67 | { | ||
| 68 | // expected HEXDIG | ||
| 69 | 8 | BOOST_URL_RETURN_EC( | |
| 70 | grammar::error::invalid); | ||
| 71 | } | ||
| 72 | 628 | ++n; | |
| 73 | 628 | ++it; | |
| 74 |
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628 | if(it == end) |
| 75 | 60 | break; | |
| 76 |
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568 | if(*it != '%') |
| 77 | 356 | goto skip; | |
| 78 | } | ||
| 79 | 9850 | finish: | |
| 80 | 9850 | return make_pct_string_view_unsafe( | |
| 81 | 9850 | start, it - start, n); | |
| 82 | } | ||
| 83 | |||
| 84 | } // detail | ||
| 85 | |||
| 86 | //------------------------------------------------ | ||
| 87 | |||
| 88 | template<class CharSet> | ||
| 89 | auto | ||
| 90 | 9889 | implementation_defined::pct_encoded_rule_t<CharSet>:: | |
| 91 | parse( | ||
| 92 | char const*& it, | ||
| 93 | char const* end) const noexcept -> | ||
| 94 | system::result<value_type> | ||
| 95 | { | ||
| 96 | 9889 | return detail::parse_encoded( | |
| 97 | 9889 | it, end, cs_); | |
| 98 | } | ||
| 99 | |||
| 100 | } // urls | ||
| 101 | } // boost | ||
| 102 | |||
| 103 | #endif | ||
| 104 |