| Line | Branch | Exec | Source |
|---|---|---|---|
| 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/http_proto | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_URL_GRAMMAR_TOKEN_RULE_HPP | ||
| 11 | #define BOOST_URL_GRAMMAR_TOKEN_RULE_HPP | ||
| 12 | |||
| 13 | #include <boost/url/detail/config.hpp> | ||
| 14 | #include <boost/url/grammar/charset.hpp> | ||
| 15 | #include <boost/url/error_types.hpp> | ||
| 16 | #include <boost/core/detail/string_view.hpp> | ||
| 17 | |||
| 18 | namespace boost { | ||
| 19 | namespace urls { | ||
| 20 | namespace grammar { | ||
| 21 | |||
| 22 | /** Match a non-empty string of characters from a set | ||
| 23 | |||
| 24 | If there is no more input, the error code | ||
| 25 | @ref error::need_more is returned. | ||
| 26 | |||
| 27 | @par Value Type | ||
| 28 | @code | ||
| 29 | using value_type = core::string_view; | ||
| 30 | @endcode | ||
| 31 | |||
| 32 | @par Example | ||
| 33 | Rules are used with the function @ref parse. | ||
| 34 | @code | ||
| 35 | system::result< core::string_view > rv = parse( "abcdef", token_rule( alpha_chars ) ); | ||
| 36 | @endcode | ||
| 37 | |||
| 38 | @par BNF | ||
| 39 | @code | ||
| 40 | token = 1*( ch ) | ||
| 41 | @endcode | ||
| 42 | |||
| 43 | @param cs The character set to use | ||
| 44 | |||
| 45 | @see | ||
| 46 | @ref alpha_chars, | ||
| 47 | @ref parse. | ||
| 48 | */ | ||
| 49 | #ifdef BOOST_URL_DOCS | ||
| 50 | template<class CharSet> | ||
| 51 | constexpr | ||
| 52 | __implementation_defined__ | ||
| 53 | token_rule( | ||
| 54 | CharSet cs) noexcept; | ||
| 55 | #else | ||
| 56 | template<class CharSet> | ||
| 57 | struct token_rule_t | ||
| 58 | { | ||
| 59 | using value_type = core::string_view; | ||
| 60 | |||
| 61 | static_assert( | ||
| 62 | is_charset<CharSet>::value, | ||
| 63 | "CharSet requirements not met"); | ||
| 64 | |||
| 65 | auto | ||
| 66 | parse( | ||
| 67 | char const*& it, | ||
| 68 | char const* end | ||
| 69 | ) const noexcept -> | ||
| 70 | system::result<value_type>; | ||
| 71 | |||
| 72 | private: | ||
| 73 | template<class CharSet_> | ||
| 74 | friend | ||
| 75 | constexpr | ||
| 76 | auto | ||
| 77 | token_rule( | ||
| 78 | CharSet_ const&) noexcept -> | ||
| 79 | token_rule_t<CharSet_>; | ||
| 80 | |||
| 81 | constexpr | ||
| 82 | 179 | token_rule_t( | |
| 83 | CharSet const& cs) noexcept | ||
| 84 | 179 | : cs_(cs) | |
| 85 | { | ||
| 86 | 179 | } | |
| 87 | |||
| 88 | CharSet const cs_; | ||
| 89 | }; | ||
| 90 | |||
| 91 | template<class CharSet> | ||
| 92 | constexpr | ||
| 93 | auto | ||
| 94 | 103 | token_rule( | |
| 95 | CharSet const& cs) noexcept -> | ||
| 96 | token_rule_t<CharSet> | ||
| 97 | { | ||
| 98 | 103 | return {cs}; | |
| 99 | } | ||
| 100 | #endif | ||
| 101 | |||
| 102 | } // grammar | ||
| 103 | } // urls | ||
| 104 | } // boost | ||
| 105 | |||
| 106 | #include <boost/url/grammar/impl/token_rule.hpp> | ||
| 107 | |||
| 108 | #endif | ||
| 109 |