libs/url/include/boost/url/impl/params_base.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_IMPL_PARAMS_BASE_HPP
12		#define BOOST_URL_IMPL_PARAMS_BASE_HPP
13
14		#include <boost/url/detail/params_iter_impl.hpp>
15		#include <iterator>
16
17		namespace boost {
18		namespace urls {
19
20		//------------------------------------------------
21
22		class BOOST_URL_DECL params_base::iterator
23		{
24		detail::params_iter_impl it_;
25		bool space_as_plus_ = true;
26
27		friend class params_base;
28		friend class params_ref;
29
30		iterator(
31		detail::query_ref const& ref,
32		encoding_opts opt) noexcept;
33
34		iterator(
35		detail::query_ref const& impl,
36		encoding_opts opt,
37		int) noexcept;
38
39	183	iterator(
40		detail::params_iter_impl const& it,
41		encoding_opts opt) noexcept
42	183	: it_(it)
43	183	, space_as_plus_(opt.space_as_plus)
44		{
45	183	}
46
47		public:
48		using value_type = params_base::value_type;
49		using reference = params_base::reference;
50		using pointer = reference;
51		using difference_type =
52		params_base::difference_type;
53		using iterator_category =
54		std::bidirectional_iterator_tag;
55
56	4	iterator() = default;
57		iterator(iterator const&) = default;
58		iterator& operator=(
59		iterator const&) noexcept = default;
60
61		iterator&
62	839	operator++() noexcept
63		{
64	839	it_.increment();
65	839	return *this;
66		}
67
68		iterator
69	356	operator++(int) noexcept
70		{
71	356	auto tmp = *this;
72	356	++*this;
73	356	return tmp;
74		}
75
76		iterator&
77	708	operator--() noexcept
78		{
79	708	it_.decrement();
80	708	return *this;
81		}
82
83		iterator
84	354	operator--(int) noexcept
85		{
86	354	auto tmp = *this;
87	354	--*this;
88	354	return tmp;
89		}
90
91		reference
92		operator*() const;
93
94		// the return value is too expensive
95		pointer operator->() const = delete;
96
97		bool
98	746	operator==(
99		iterator const& other) const noexcept
100		{
101	746	return it_.equal(other.it_);
102		}
103
104		bool
105	106	operator!=(
106		iterator const& other) const noexcept
107		{
108	106	return ! it_.equal(other.it_);
109		}
110		};
111
112
113		} // urls
114		} // boost
115
116		#endif
117