1   
//
1   
//
2   
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
2   
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
3   
// Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
3   
// Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
4   
//
4   
//
5   
// Distributed under the Boost Software License, Version 1.0. (See accompanying
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)
6   
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7   
//
7   
//
8   
// Official repository: https://github.com/boostorg/url
8   
// Official repository: https://github.com/boostorg/url
9   
//
9   
//
10  
10  
11   
#ifndef BOOST_URL_DETAIL_SEGMENTS_ITER_IMPL_HPP
11   
#ifndef BOOST_URL_DETAIL_SEGMENTS_ITER_IMPL_HPP
12   
#define BOOST_URL_DETAIL_SEGMENTS_ITER_IMPL_HPP
12   
#define BOOST_URL_DETAIL_SEGMENTS_ITER_IMPL_HPP
13  
13  
14   
#include <boost/url/detail/parts_base.hpp>
14   
#include <boost/url/detail/parts_base.hpp>
15   
#include <boost/url/detail/url_impl.hpp>
15   
#include <boost/url/detail/url_impl.hpp>
16   
#include <boost/core/detail/string_view.hpp>
16   
#include <boost/core/detail/string_view.hpp>
17   
#include <string>
17   
#include <string>
18  
18  
19   
namespace boost {
19   
namespace boost {
20   
namespace urls {
20   
namespace urls {
21   
namespace detail {
21   
namespace detail {
22  
22  
23   
struct segments_iter_impl
23   
struct segments_iter_impl
24   
    : private parts_base
24   
    : private parts_base
25   
{
25   
{
26   
    path_ref ref; // parent path data the iterator aliases
26   
    path_ref ref; // parent path data the iterator aliases
27   
    std::size_t pos = 0; // encoded offset of current segment start
27   
    std::size_t pos = 0; // encoded offset of current segment start
28   
    std::size_t next = 0; // encoded offset one past current segment
28   
    std::size_t next = 0; // encoded offset one past current segment
29   
    std::size_t index = 0; // segment index within the parent path
29   
    std::size_t index = 0; // segment index within the parent path
30   
    std::size_t dn = 0; // decoded length of current segment
30   
    std::size_t dn = 0; // decoded length of current segment
31   
    std::size_t decoded_prefix = 0; // decoded chars preceding current segment
31   
    std::size_t decoded_prefix = 0; // decoded chars preceding current segment
32   
private:
32   
private:
33   
    pct_string_view s_;
33   
    pct_string_view s_;
34   
public:
34   
public:
35  
35  
36   
    segments_iter_impl() = default;
36   
    segments_iter_impl() = default;
37   
    segments_iter_impl(
37   
    segments_iter_impl(
38   
        segments_iter_impl const&) noexcept = default;
38   
        segments_iter_impl const&) noexcept = default;
39   
    segments_iter_impl& operator=(
39   
    segments_iter_impl& operator=(
40   
        segments_iter_impl const&) noexcept = default;
40   
        segments_iter_impl const&) noexcept = default;
41  
41  
42   
    // begin
42   
    // begin
43   
    segments_iter_impl(
43   
    segments_iter_impl(
44   
        detail::path_ref const&) noexcept;
44   
        detail::path_ref const&) noexcept;
45  
45  
46   
    // end
46   
    // end
47   
    segments_iter_impl(
47   
    segments_iter_impl(
48   
        detail::path_ref const&,
48   
        detail::path_ref const&,
49   
        int) noexcept;
49   
        int) noexcept;
50  
50  
51   
    // at index
51   
    // at index
52   
    segments_iter_impl(
52   
    segments_iter_impl(
53   
        url_impl const& u_,
53   
        url_impl const& u_,
54   
        std::size_t pos_,
54   
        std::size_t pos_,
55   
        std::size_t i_) noexcept;
55   
        std::size_t i_) noexcept;
56  
56  
57   
    void update() noexcept;
57   
    void update() noexcept;
58  
58  
59   
    BOOST_URL_DECL
59   
    BOOST_URL_DECL
60   
    void
60   
    void
61   
    increment() noexcept;
61   
    increment() noexcept;
62  
62  
63   
    BOOST_URL_DECL
63   
    BOOST_URL_DECL
64   
    void
64   
    void
65   
    decrement() noexcept;
65   
    decrement() noexcept;
66  
66  
67   
    pct_string_view
67   
    pct_string_view
68   
    dereference() const noexcept
68   
    dereference() const noexcept
69   
    {
69   
    {
70   
        return s_;
70   
        return s_;
71   
    }
71   
    }
72  
72  
73   
    std::size_t
73   
    std::size_t
74   
    decoded_prefix_size() const noexcept
74   
    decoded_prefix_size() const noexcept
75   
    {
75   
    {
76   
        return decoded_prefix;
76   
        return decoded_prefix;
77   
    }
77   
    }
78  
78  
79   
    bool
79   
    bool
80   
    equal(
80   
    equal(
81   
        segments_iter_impl const& other) const noexcept
81   
        segments_iter_impl const& other) const noexcept
82   
    {
82   
    {
83   
        BOOST_ASSERT(ref.alias_of(other.ref));
83   
        BOOST_ASSERT(ref.alias_of(other.ref));
84   
        return index == other.index;
84   
        return index == other.index;
85   
    }
85   
    }
86   
};
86   
};
87  
87  
88   
} // detail
88   
} // detail
89   
} // urls
89   
} // urls
90   
} // boost
90   
} // boost
91  
91  
92   
#endif
92   
#endif