| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2022 Vinnie Falco (vinnie.falco@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 | #ifndef BOOST_URL_IMPL_PCT_STRING_VIEW_IPP | ||
| 11 | #define BOOST_URL_IMPL_PCT_STRING_VIEW_IPP | ||
| 12 | |||
| 13 | #include <boost/url/detail/config.hpp> | ||
| 14 | #include <boost/url/error.hpp> | ||
| 15 | #include <boost/url/pct_string_view.hpp> | ||
| 16 | #include <boost/url/detail/decode.hpp> | ||
| 17 | #include <boost/url/grammar/hexdig_chars.hpp> | ||
| 18 | #include <boost/url/detail/except.hpp> | ||
| 19 | |||
| 20 | namespace boost { | ||
| 21 | namespace urls { | ||
| 22 | |||
| 23 | void | ||
| 24 | 3297 | pct_string_view:: | |
| 25 | decode_impl( | ||
| 26 | string_token::arg& dest, | ||
| 27 | encoding_opts opt) const | ||
| 28 | { | ||
| 29 | 3297 | auto p = dest.prepare(dn_); | |
| 30 |
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3297 | if(dn_ > 0) |
| 31 | 2521 | detail::decode_unsafe( | |
| 32 | 2521 | p, p + dn_, s_, opt); | |
| 33 | 3297 | } | |
| 34 | |||
| 35 | //------------------------------------------------ | ||
| 36 | |||
| 37 | 5560 | pct_string_view:: | |
| 38 | pct_string_view( | ||
| 39 | 5560 | core::string_view s) | |
| 40 | : pct_string_view( | ||
| 41 | 5560 | make_pct_string_view(s | |
| 42 |
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5560 | ).value(BOOST_URL_POS)) |
| 43 | { | ||
| 44 | 5482 | } | |
| 45 | |||
| 46 | //------------------------------------------------ | ||
| 47 | |||
| 48 | system::result<pct_string_view> | ||
| 49 | 5575 | make_pct_string_view( | |
| 50 | core::string_view s) noexcept | ||
| 51 | { | ||
| 52 | 5575 | auto p = s.begin(); | |
| 53 | 5575 | auto const end = s.end(); | |
| 54 | 5575 | std::size_t dn = 0; | |
| 55 |
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5575 | if(s.size() >= 3) |
| 56 | { | ||
| 57 | 2874 | auto const safe_end = end - 2; | |
| 58 |
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21726 | while(p < safe_end) |
| 59 | { | ||
| 60 |
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18868 | if(*p != '%') |
| 61 | { | ||
| 62 | 18124 | ++p; | |
| 63 | } | ||
| 64 | 744 | else if( | |
| 65 |
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1483 | grammar::hexdig_value(p[1]) >= 0 && |
| 66 | 739 | grammar::hexdig_value(p[2]) >= 0) | |
| 67 | { | ||
| 68 | // percent-escape | ||
| 69 | 728 | p += 3; | |
| 70 | } | ||
| 71 | else | ||
| 72 | { | ||
| 73 | // invalid encoding | ||
| 74 | 16 | BOOST_URL_RETURN_EC( | |
| 75 | error::bad_pct_hexdig); | ||
| 76 | } | ||
| 77 | 18852 | ++dn; | |
| 78 | } | ||
| 79 | } | ||
| 80 | 5559 | auto const n = end - p; | |
| 81 |
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5559 | if( (n >= 1 && p[0] == '%') || |
| 82 |
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3162 | (n >= 2 && p[1] == '%')) |
| 83 | { | ||
| 84 | // invalid encoding | ||
| 85 | 62 | BOOST_URL_RETURN_EC( | |
| 86 | error::incomplete_encoding); | ||
| 87 | } | ||
| 88 | 5497 | dn += n; | |
| 89 | 5497 | return make_pct_string_view_unsafe( | |
| 90 | 5497 | s.data(), s.size(), dn); | |
| 91 | } | ||
| 92 | |||
| 93 | } // urls | ||
| 94 | } // boost | ||
| 95 | |||
| 96 | #endif | ||
| 97 | |||
| 98 |