1 + 
//
 
2 + 
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
 
3 + 
// Copyright (c) 2023 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_LITERAL_RULE_HPP
 
12 + 
#define BOOST_URL_GRAMMAR_IMPL_LITERAL_RULE_HPP
 
13 +
 
14 + 
#include <boost/url/detail/config.hpp>
 
15 + 
#include <boost/url/grammar/error.hpp>
 
16 + 
#include <boost/assert.hpp>
 
17 + 
#include <cstring>
 
18 +
 
19 + 
namespace boost {
 
20 + 
namespace urls {
 
21 + 
namespace grammar {
 
22 +
 
23 + 
inline BOOST_URL_CXX20_CONSTEXPR
 
24 + 
auto
 
25 + 
literal_rule::
 
26 + 
parse(
 
27 + 
    char const*& it,
 
28 + 
    char const* end) const noexcept ->
 
29 + 
        system::result<value_type>
 
30 + 
{
 
31 + 
    BOOST_ASSERT(n_ > 0);
 
32 +
 
33 + 
    std::size_t n = end - it;
 
34 + 
    if(n >= n_)
 
35 + 
    {
 
36 + 
        if(std::memcmp(
 
37 + 
            it, s_, n_) != 0)
 
38 + 
        {
 
39 + 
            BOOST_URL_CONSTEXPR_RETURN_EC(
 
40 + 
                error::mismatch);
 
41 + 
        }
 
42 + 
        it += n_;
 
43 + 
        return core::string_view(
 
44 + 
            it - n_, it);
 
45 + 
    }
 
46 + 
    if(n > 0)
 
47 + 
    {
 
48 + 
        if(std::memcmp(
 
49 + 
            it, s_, n) != 0)
 
50 + 
        {
 
51 + 
            BOOST_URL_CONSTEXPR_RETURN_EC(
 
52 + 
                error::mismatch);
 
53 + 
        }
 
54 + 
        BOOST_URL_CONSTEXPR_RETURN_EC(
 
55 + 
            error::need_more);
 
56 + 
    }
 
57 + 
    BOOST_URL_CONSTEXPR_RETURN_EC(
 
58 + 
        error::need_more);
 
59 + 
}
 
60 +
 
61 + 
} // grammar
 
62 + 
} // urls
 
63 + 
} // boost
 
64 +
 
65 + 
#endif