| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2021 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/cppalliance/http_proto | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_HTTP_PROTO_RFC_QUOTED_TOKEN_VIEW_HPP | ||
| 11 | #define BOOST_HTTP_PROTO_RFC_QUOTED_TOKEN_VIEW_HPP | ||
| 12 | |||
| 13 | #include <boost/http_proto/detail/config.hpp> | ||
| 14 | #include <boost/url/grammar/string_view_base.hpp> | ||
| 15 | #include <boost/core/detail/string_view.hpp> | ||
| 16 | |||
| 17 | namespace boost { | ||
| 18 | namespace http_proto { | ||
| 19 | |||
| 20 | namespace implementation_defined { | ||
| 21 | struct quoted_token_rule_t; | ||
| 22 | } // implementation_defined | ||
| 23 | |||
| 24 | /** A view into a quoted string token, which may | ||
| 25 | contain escape sequences. | ||
| 26 | |||
| 27 | @see | ||
| 28 | @ref quoted_token_view. | ||
| 29 | */ | ||
| 30 | class quoted_token_view final | ||
| 31 | : public grammar::string_view_base | ||
| 32 | { | ||
| 33 | std::size_t n_ = 0; | ||
| 34 | |||
| 35 | friend struct implementation_defined::quoted_token_rule_t; | ||
| 36 | |||
| 37 | // unquoted | ||
| 38 | explicit | ||
| 39 | 5 | quoted_token_view( | |
| 40 | core::string_view s) noexcept | ||
| 41 | 5 | : string_view_base(s) | |
| 42 | 5 | , n_(s.size()) | |
| 43 | { | ||
| 44 | 5 | } | |
| 45 | |||
| 46 | // maybe quoted | ||
| 47 | 4 | quoted_token_view( | |
| 48 | core::string_view s, | ||
| 49 | std::size_t n) noexcept | ||
| 50 | 4 | : string_view_base(s) | |
| 51 | 4 | , n_(n) | |
| 52 | { | ||
| 53 |
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4 | BOOST_ASSERT(s.size() >= 2); |
| 54 |
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4 | BOOST_ASSERT(s.front() == '\"'); |
| 55 |
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4 | BOOST_ASSERT(s.back() == '\"'); |
| 56 |
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4 | BOOST_ASSERT(n_ <= s_.size() - 2); |
| 57 | 4 | } | |
| 58 | |||
| 59 | public: | ||
| 60 | quoted_token_view() = default; | ||
| 61 | |||
| 62 | quoted_token_view( | ||
| 63 | quoted_token_view const&) noexcept = default; | ||
| 64 | |||
| 65 | quoted_token_view& operator=( | ||
| 66 | quoted_token_view const&) noexcept = default; | ||
| 67 | |||
| 68 | /** Return true if the token contains escape | ||
| 69 | sequences. | ||
| 70 | |||
| 71 | @par Complexity | ||
| 72 | Constant. | ||
| 73 | |||
| 74 | @Return true if the token contains | ||
| 75 | escape sequences. | ||
| 76 | */ | ||
| 77 | bool | ||
| 78 | has_escapes() const noexcept | ||
| 79 | { | ||
| 80 | return n_ != s_.size(); | ||
| 81 | } | ||
| 82 | |||
| 83 | /** Return the size of the unescaped content. | ||
| 84 | |||
| 85 | @par Complexity | ||
| 86 | Constant. | ||
| 87 | |||
| 88 | @return Size of the unescaped string content. | ||
| 89 | */ | ||
| 90 | std::size_t | ||
| 91 | unescaped_size() const noexcept | ||
| 92 | { | ||
| 93 | return n_; | ||
| 94 | } | ||
| 95 | }; | ||
| 96 | |||
| 97 | } // http_proto | ||
| 98 | } // boost | ||
| 99 | |||
| 100 | #endif | ||
| 101 |