LCOV - code coverage report
Current view: top level - boost/url/grammar/literal_rule.hpp (source / functions) Coverage Total Hit
Test: coverage_filtered.info Lines: 100.0 % 8 8
Test Date: 2025-01-10 18:07:09 Functions: 100.0 % 2 2

            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_GRAMMAR_LITERAL_RULE_HPP
      11              : #define BOOST_URL_GRAMMAR_LITERAL_RULE_HPP
      12              : 
      13              : #include <boost/url/detail/config.hpp>
      14              : #include <boost/url/error_types.hpp>
      15              : #include <boost/core/detail/string_view.hpp>
      16              : #include <cstdlib>
      17              : 
      18              : namespace boost {
      19              : namespace urls {
      20              : namespace grammar {
      21              : 
      22              : /** Match a string literal exactly
      23              : 
      24              :     If there is no more input, or if the
      25              :     end of the input is reached, and a prefix
      26              :     of the literal matches exactly, the error
      27              :     returned is @ref error::need_more.
      28              : 
      29              :     @par Value Type
      30              :     @code
      31              :     using value_type = core::string_view;
      32              :     @endcode
      33              : 
      34              :     @par Example
      35              :     Rules are used with the function @ref parse.
      36              :     @code
      37              :     system::result< core::string_view > rv = parse( "HTTP", literal_rule( "HTTP" ) );
      38              :     @endcode
      39              : 
      40              :     @see
      41              :         @ref delim_rule,
      42              :         @ref parse.
      43              : */
      44              : class literal_rule
      45              : {
      46              :     char const* s_ = nullptr;
      47              :     std::size_t n_ = 0;
      48              : 
      49              :     constexpr
      50              :     static
      51              :     std::size_t
      52           48 :     len(char const* s) noexcept
      53              :     {
      54           48 :         return *s
      55           48 :             ? 1 + len(s + 1)
      56           48 :             : 0;
      57              :     }
      58              : 
      59              : public:
      60              :     using value_type = core::string_view;
      61              : 
      62              :     constexpr
      63              :     explicit
      64           10 :     literal_rule(
      65              :         char const* s) noexcept
      66           10 :         : s_(s)
      67           10 :         , n_(len(s))
      68              :     {
      69           10 :     }
      70              : 
      71              :     BOOST_URL_DECL
      72              :     system::result<value_type>
      73              :     parse(
      74              :         char const*& it,
      75              :         char const* end) const noexcept;
      76              : };
      77              : 
      78              : } // grammar
      79              : } // urls
      80              : } // boost
      81              : 
      82              : #endif
        

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