include/boost/url/grammar/impl/optional_rule.hpp
100.0% Lines (9/9)
66.7% Functions (2/4)
| Line | TLA | Hits | Source Code |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) | ||
| 3 | // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com) | ||
| 4 | // | ||
| 5 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 6 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 7 | // | ||
| 8 | // Official repository: https://github.com/boostorg/url | ||
| 9 | // | ||
| 10 | |||
| 11 | #ifndef BOOST_URL_GRAMMAR_IMPL_OPTIONAL_RULE_HPP | ||
| 12 | #define BOOST_URL_GRAMMAR_IMPL_OPTIONAL_RULE_HPP | ||
| 13 | |||
| 14 | #include <boost/url/grammar/error.hpp> | ||
| 15 | |||
| 16 | namespace boost { | ||
| 17 | namespace urls { | ||
| 18 | namespace grammar { | ||
| 19 | |||
| 20 | template<class R> | ||
| 21 | BOOST_URL_CXX14_CONSTEXPR | ||
| 22 | auto | ||
| 23 | 4318 | implementation_defined::optional_rule_t<R>:: | |
| 24 | parse( | ||
| 25 | char const*& it, | ||
| 26 | char const* end) const -> | ||
| 27 | system::result<value_type> | ||
| 28 | { | ||
| 29 | 4318 | if(it == end) | |
| 30 | 256 | return boost::none; | |
| 31 | 4062 | auto const it0 = it; | |
| 32 | auto rv = | ||
| 33 | 4062 | this->get().parse(it, end); | |
| 34 | 4062 | if(rv) | |
| 35 | 1624 | return value_type(*rv); | |
| 36 | 2438 | it = it0; | |
| 37 | 2438 | return boost::none; | |
| 38 | } | ||
| 39 | |||
| 40 | } // grammar | ||
| 41 | } // urls | ||
| 42 | } // boost | ||
| 43 | |||
| 44 | #endif | ||
| 45 |