include/boost/url/detail/segments_iter_impl.hpp

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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/boostorg/url
9			//
10
11			#ifndef BOOST_URL_DETAIL_SEGMENTS_ITER_IMPL_HPP
12			#define BOOST_URL_DETAIL_SEGMENTS_ITER_IMPL_HPP
13
14			#include <boost/url/detail/parts_base.hpp>
15			#include <boost/url/detail/url_impl.hpp>
16			#include <boost/core/detail/string_view.hpp>
17			#include <string>
18
19			namespace boost {
20			namespace urls {
21			namespace detail {
22
23			struct BOOST_SYMBOL_VISIBLE segments_iter_impl
24			: private parts_base
25			{
26			path_ref ref; // parent path data the iterator aliases
27			std::size_t pos = 0; // encoded offset of current segment start
28			std::size_t next = 0; // encoded offset one past current segment
29			std::size_t index = 0; // segment index within the parent path
30			std::size_t dn = 0; // decoded length of current segment
31			std::size_t decoded_prefix = 0; // decoded chars preceding current segment
32			private:
33			pct_string_view s_;
34			public:
35
36			segments_iter_impl() = default;
37			segments_iter_impl(
38			segments_iter_impl const&) noexcept = default;
39			segments_iter_impl& operator=(
40			segments_iter_impl const&) noexcept = default;
41
42			// begin
43			segments_iter_impl(
44			detail::path_ref const&) noexcept;
45
46			// end
47			segments_iter_impl(
48			detail::path_ref const&,
49			int) noexcept;
50
51			// at index
52			segments_iter_impl(
53			url_impl const& u_,
54			std::size_t pos_,
55			std::size_t i_) noexcept;
56
57			void update() noexcept;
58
59			void
60			increment() noexcept;
61
62			void
63			decrement() noexcept;
64
65			pct_string_view
66		4826	dereference() const noexcept
67			{
68		4826	return s_;
69			}
70
71			std::size_t
72		24	decoded_prefix_size() const noexcept
73			{
74		24	return decoded_prefix;
75			}
76
77			bool
78		5251	equal(
79			segments_iter_impl const& other) const noexcept
80			{
81	1/2 ✗ Branch 1 not taken. ✓ Branch 2 taken 5251 times.	5251	BOOST_ASSERT(ref.alias_of(other.ref));
82		5251	return index == other.index;
83			}
84			};
85
86			} // detail
87			} // urls
88			} // boost
89
90			#include <boost/url/detail/impl/segments_iter_impl.hpp>
91
92			#endif
93