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|---|---|---|---|
| 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/url | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_URL_RFC_DETAIL_QUERY_PART_RULE_HPP | ||
| 11 | #define BOOST_URL_RFC_DETAIL_QUERY_PART_RULE_HPP | ||
| 12 | |||
| 13 | #include "boost/url/detail/config.hpp" | ||
| 14 | #include "boost/url/error_types.hpp" | ||
| 15 | #include "boost/url/pct_string_view.hpp" | ||
| 16 | #include "boost/url/rfc/query_rule.hpp" | ||
| 17 | #include "boost/url/grammar/parse.hpp" | ||
| 18 | #include <cstdlib> | ||
| 19 | |||
| 20 | namespace boost { | ||
| 21 | namespace urls { | ||
| 22 | namespace detail { | ||
| 23 | |||
| 24 | /** Rule for query-part | ||
| 25 | |||
| 26 | @par BNF | ||
| 27 | @code | ||
| 28 | query-part = [ "?" query ] | ||
| 29 | @endcode | ||
| 30 | */ | ||
| 31 | struct query_part_rule_t | ||
| 32 | { | ||
| 33 | struct value_type | ||
| 34 | { | ||
| 35 | pct_string_view query; | ||
| 36 | std::size_t count = 0; | ||
| 37 | bool has_query = false; | ||
| 38 | }; | ||
| 39 | |||
| 40 | auto | ||
| 41 | 3544 | parse( | |
| 42 | char const*& it, | ||
| 43 | char const* end | ||
| 44 | ) const noexcept -> | ||
| 45 | system::result<value_type> | ||
| 46 | { | ||
| 47 |
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3544 | if( it == end || |
| 48 |
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657 | *it != '?') |
| 49 | 3112 | return {}; | |
| 50 | 432 | ++it; | |
| 51 | 432 | auto rv = grammar::parse( | |
| 52 | it, end, query_rule); | ||
| 53 |
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432 | if(! rv) |
| 54 | 2 | return rv.error(); | |
| 55 | 430 | value_type t; | |
| 56 | 430 | t.query = rv->buffer(); | |
| 57 | 430 | t.count = rv->size(); | |
| 58 | 430 | t.has_query = true; | |
| 59 | 430 | return t; | |
| 60 | } | ||
| 61 | }; | ||
| 62 | |||
| 63 | constexpr query_part_rule_t query_part_rule{}; | ||
| 64 | |||
| 65 | } // detail | ||
| 66 | } // urls | ||
| 67 | } // boost | ||
| 68 | |||
| 69 | #endif | ||
| 70 |