src/parse_query.cpp
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100.0% List of functions (1/1)
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boost::urls::parse_query(boost::core::basic_string_view<char>)
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| Line | TLA | Hits | Source Code |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.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/CPPAlliance/url | ||
| 9 | // | ||
| 10 | |||
| 11 | |||
| 12 | #include <boost/url/detail/config.hpp> | ||
| 13 | #include <boost/url/parse_query.hpp> | ||
| 14 | #include <boost/url/rfc/query_rule.hpp> | ||
| 15 | #include <boost/url/grammar/parse.hpp> | ||
| 16 | |||
| 17 | #include <boost/url/error.hpp> | ||
| 18 | |||
| 19 | namespace boost { | ||
| 20 | namespace urls { | ||
| 21 | |||
| 22 | system::result<params_encoded_view> | ||
| 23 | 3171x | parse_query(core::string_view s) noexcept | |
| 24 | { | ||
| 25 | // Handle empty strings differently. | ||
| 26 | // We produce {}, versus empty but | ||
| 27 | // present query in URL (e.g. "http:?") | ||
| 28 | // which produces {{"", none}}. | ||
| 29 | 3171x | if(s.empty()) | |
| 30 | { | ||
| 31 | // default-constructed string_view can return a null data pointer; | ||
| 32 | // query_ref expects a valid pointer even when the buffer is empty. | ||
| 33 | 14x | auto const* data = s.data(); | |
| 34 | 14x | core::string_view empty(data ? data : "", 0); | |
| 35 | 14x | return params_encoded_view( | |
| 36 | 28x | detail::query_ref( | |
| 37 | 14x | empty, 0, 0)); | |
| 38 | } | ||
| 39 | 3157x | auto rv = grammar::parse(s, query_rule); | |
| 40 | 3157x | if(! rv) | |
| 41 | 2995x | return rv.error(); | |
| 42 | 162x | return params_encoded_view( | |
| 43 | 324x | detail::query_ref( | |
| 44 | 324x | s, s.size(), rv->size())); | |
| 45 | } | ||
| 46 | |||
| 47 | } // urls | ||
| 48 | } // boost | ||
| 49 |