LCOV - code coverage report
Current view: top level - libs/url/src/rfc/detail/query_part_rule.hpp (source / functions) Coverage Total Hit
Test: coverage_filtered.info Lines: 100.0 % 13 13
Test Date: 2025-01-10 18:07:09 Functions: 100.0 % 1 1

            Line data    Source code
       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         3554 :     parse(
      42              :         char const*& it,
      43              :         char const* end
      44              :             ) const noexcept ->
      45              :         system::result<value_type>
      46              :     {
      47         3554 :         if( it == end ||
      48          664 :             *it != '?')
      49         3116 :             return {};
      50          438 :         ++it;
      51          438 :         auto rv = grammar::parse(
      52              :             it, end, query_rule);
      53              :         // query_rule is optionally empty and must not fail
      54          438 :         BOOST_ASSERT( rv );
      55          438 :         value_type t;
      56          438 :         t.query = rv->buffer();
      57          438 :         t.count = rv->size();
      58              :         // a query_rule represents at least one parameter:
      59              :         // <empty key, no value>
      60          438 :         BOOST_ASSERT( t.count );
      61          438 :         t.has_query = true;
      62          438 :         return t;
      63              :     }
      64              : };
      65              : 
      66              : constexpr query_part_rule_t query_part_rule{};
      67              : 
      68              : } // detail
      69              : } // urls
      70              : } // boost
      71              : 
      72              : #endif
        

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