| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2021 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_GRAMMAR_ALPHA_CHARS_HPP | ||
| 11 | #define BOOST_URL_GRAMMAR_ALPHA_CHARS_HPP | ||
| 12 | |||
| 13 | #include <boost/url/detail/config.hpp> | ||
| 14 | #include <boost/url/grammar/detail/charset.hpp> | ||
| 15 | |||
| 16 | namespace boost { | ||
| 17 | namespace urls { | ||
| 18 | namespace grammar { | ||
| 19 | |||
| 20 | /** The set of all letters | ||
| 21 | |||
| 22 | @par Example | ||
| 23 | Character sets are used with rules and the | ||
| 24 | functions @ref find_if and @ref find_if_not. | ||
| 25 | @code | ||
| 26 | system::result< core::string_view > rv = parse( "JohnDoe", token_rule( alpha_chars ) ); | ||
| 27 | @endcode | ||
| 28 | |||
| 29 | @par BNF | ||
| 30 | @code | ||
| 31 | ALPHA = %x41-5A / %x61-7A | ||
| 32 | ; A-Z / a-z | ||
| 33 | @endcode | ||
| 34 | |||
| 35 | @par Specification | ||
| 36 | @li <a href="https://datatracker.ietf.org/doc/html/rfc5234#appendix-B.1" | ||
| 37 | >B.1. Core Rules (rfc5234)</a> | ||
| 38 | |||
| 39 | @see | ||
| 40 | @ref find_if, | ||
| 41 | @ref find_if_not, | ||
| 42 | @ref parse, | ||
| 43 | @ref token_rule. | ||
| 44 | */ | ||
| 45 | #ifdef BOOST_URL_DOCS | ||
| 46 | constexpr __implementation_defined__ alpha_chars; | ||
| 47 | #else | ||
| 48 | struct alpha_chars_t | ||
| 49 | { | ||
| 50 | constexpr | ||
| 51 | alpha_chars_t() noexcept = default; | ||
| 52 | |||
| 53 | constexpr | ||
| 54 | bool | ||
| 55 | 35972 | operator()(char c) const noexcept | |
| 56 | { | ||
| 57 | return | ||
| 58 |
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43110 | (c >= 'A' && c <= 'Z') || |
| 59 |
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43110 | (c >= 'a' && c <= 'z'); |
| 60 | } | ||
| 61 | |||
| 62 | #ifdef BOOST_URL_USE_SSE2 | ||
| 63 | char const* | ||
| 64 | 256 | find_if( | |
| 65 | char const* first, | ||
| 66 | char const* last) const noexcept | ||
| 67 | { | ||
| 68 | 256 | return detail::find_if_pred( | |
| 69 | 256 | *this, first, last); | |
| 70 | } | ||
| 71 | |||
| 72 | char const* | ||
| 73 | 325 | find_if_not( | |
| 74 | char const* first, | ||
| 75 | char const* last) const noexcept | ||
| 76 | { | ||
| 77 | 325 | return detail::find_if_not_pred( | |
| 78 | 325 | *this, first, last); | |
| 79 | } | ||
| 80 | #endif | ||
| 81 | }; | ||
| 82 | |||
| 83 | /** A character set containing the alphabetical characters. | ||
| 84 | |||
| 85 | @see | ||
| 86 | @ref alpha_chars_t | ||
| 87 | */ | ||
| 88 | constexpr alpha_chars_t alpha_chars{}; | ||
| 89 | #endif | ||
| 90 | |||
| 91 | } // grammar | ||
| 92 | } // urls | ||
| 93 | } // boost | ||
| 94 | |||
| 95 | #endif | ||
| 96 |