mirror of
https://github.com/matrix-construct/construct
synced 2024-08-30 21:35:18 +02:00
99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/*
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* Copyright (C) 2017 Charybdis Development Team
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* Copyright (C) 2017 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#define HAVE_IRCD_JSON_ARRAY_H
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namespace ircd {
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namespace json {
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struct array
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{
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struct const_iterator;
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using value_type = const string_view;
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using pointer = value_type *;
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using reference = value_type &;
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using iterator = const_iterator;
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using size_type = size_t;
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using difference_type = std::ptrdiff_t;
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using key_compare = std::less<string_view>;
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string_view state;
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operator string_view() const { return state; }
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const_iterator end() const;
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const_iterator begin() const;
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bool empty() const;
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size_t size() const;
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array(const string_view &state = {})
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:state{state}
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{}
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};
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struct array::const_iterator
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{
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using value_type = const string_view;
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using pointer = value_type *;
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using reference = value_type &;
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using difference_type = size_t;
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using iterator_category = std::forward_iterator_tag;
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protected:
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friend class array;
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const char *start;
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const char *stop;
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string_view state;
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const_iterator(const char *const &start, const char *const &stop)
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:start{start}
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,stop{stop}
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{}
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public:
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auto operator==(const const_iterator &o) const { return start == o.start && stop == o.stop; }
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auto operator!=(const const_iterator &o) const { return !(*this == o); }
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value_type *operator->() const { return &state; }
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value_type &operator*() const { return *operator->(); }
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const_iterator &operator++();
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};
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} // namespace json
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} // namespace ircd
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inline size_t
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ircd::json::array::size()
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const
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{
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return std::distance(begin(), end());
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}
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inline bool
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ircd::json::array::empty()
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const
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{
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return state.empty();
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}
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