127 lines
2.4 KiB
C++
127 lines
2.4 KiB
C++
//
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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// Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/url
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//
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#ifndef BOOST_URL_IMPL_SEGMENTS_BASE_HPP
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#define BOOST_URL_IMPL_SEGMENTS_BASE_HPP
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#include <boost/url/detail/segments_iter_impl.hpp>
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#include <boost/assert.hpp>
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#include <iterator>
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namespace boost {
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namespace urls {
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class segments_base::iterator
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{
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detail::segments_iter_impl it_;
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friend class segments_base;
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friend class segments_ref;
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iterator(detail::path_ref const&) noexcept;
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iterator(detail::path_ref const&, int) noexcept;
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iterator(
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detail::segments_iter_impl const& it) noexcept
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: it_(it)
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{
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}
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public:
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using value_type = segments_base::value_type;
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using reference = segments_base::reference;
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using pointer = reference;
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using difference_type =
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segments_base::difference_type;
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using iterator_category =
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std::bidirectional_iterator_tag;
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iterator() = default;
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iterator(iterator const&) = default;
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iterator& operator=(
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iterator const&) noexcept = default;
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BOOST_URL_DECL
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reference
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operator*() const;
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// the return value is too expensive
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pointer operator->() const = delete;
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iterator&
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operator++() noexcept
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{
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it_.increment();
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return *this;
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}
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iterator&
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operator--() noexcept
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{
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it_.decrement();
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return *this;
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}
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iterator
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operator++(int) noexcept
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{
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auto tmp = *this;
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++*this;
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return tmp;
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}
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iterator
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operator--(int) noexcept
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{
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auto tmp = *this;
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--*this;
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return tmp;
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}
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bool
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operator==(
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iterator const& other) const noexcept
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{
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return it_.equal(other.it_);
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}
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bool
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operator!=(
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iterator const& other) const noexcept
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{
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return ! it_.equal(other.it_);
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}
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};
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//------------------------------------------------
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inline
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std::string
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segments_base::
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front() const noexcept
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{
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BOOST_ASSERT(! empty());
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return *begin();
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}
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inline
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std::string
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segments_base::
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back() const noexcept
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{
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BOOST_ASSERT(! empty());
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return *--end();
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}
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} // urls
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} // boost
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#endif
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