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https://github.com/matrix-construct/construct
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ircd::json: Split array::const_iterator from array header; inline comparison suite.
This commit is contained in:
Jason Volk
parent
c4d041d1ae
commit
a7d9476a05
3 changed files with 116 additions and 91 deletions
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@ -73,53 +73,7 @@ struct ircd::json::array
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template<class it> static string_view stringify(mutable_buffer &, const it &b, const it &e);
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};
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namespace ircd::json
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{
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bool operator==(const array::const_iterator &, const array::const_iterator &);
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bool operator!=(const array::const_iterator &, const array::const_iterator &);
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bool operator<=(const array::const_iterator &, const array::const_iterator &);
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bool operator>=(const array::const_iterator &, const array::const_iterator &);
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bool operator<(const array::const_iterator &, const array::const_iterator &);
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bool operator>(const array::const_iterator &, const array::const_iterator &);
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}
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struct ircd::json::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 iterator = const_iterator;
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using size_type = size_t;
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using difference_type = ptrdiff_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 {nullptr};
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const char *stop {nullptr};
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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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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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const_iterator() = default;
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friend bool operator==(const const_iterator &, const const_iterator &);
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friend bool operator!=(const const_iterator &, const const_iterator &);
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friend bool operator<=(const const_iterator &, const const_iterator &);
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friend bool operator>=(const const_iterator &, const const_iterator &);
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friend bool operator<(const const_iterator &, const const_iterator &);
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friend bool operator>(const const_iterator &, const const_iterator &);
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};
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#include "array_iterator.h"
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template<class T>
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T
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@ -135,3 +89,10 @@ catch(const bad_lex_cast &e)
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"indice %zu must cast to type %s", i, typeid(T).name()
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};
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}
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inline ircd::json::array::const_iterator
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ircd::json::array::end()
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const
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{
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return { string_view::end(), string_view::end() };
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}
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108
include/ircd/json/array_iterator.h
Normal file
108
include/ircd/json/array_iterator.h
Normal file
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@ -0,0 +1,108 @@
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// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 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. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_JSON_ARRAY_ITERATOR_H
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namespace ircd::json
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{
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bool operator==(const array::const_iterator &, const array::const_iterator &);
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bool operator!=(const array::const_iterator &, const array::const_iterator &);
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bool operator<=(const array::const_iterator &, const array::const_iterator &);
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bool operator>=(const array::const_iterator &, const array::const_iterator &);
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bool operator<(const array::const_iterator &, const array::const_iterator &);
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bool operator>(const array::const_iterator &, const array::const_iterator &);
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}
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struct ircd::json::array::const_iterator
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{
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friend class array;
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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 = ptrdiff_t;
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using iterator_category = std::forward_iterator_tag;
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const char *start {nullptr};
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const char *stop {nullptr};
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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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value_type *operator->() const;
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value_type &operator*() const;
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const_iterator &operator++();
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const_iterator() = default;
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};
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inline ircd::json::array::const_iterator::value_type &
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ircd::json::array::const_iterator::operator*()
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const
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{
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return *operator->();
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}
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inline ircd::json::array::const_iterator::value_type *
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ircd::json::array::const_iterator::operator->()
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const
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{
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return &state;
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}
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inline bool
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ircd::json::operator==(const array::const_iterator &a,
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const array::const_iterator &b)
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{
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return a.start == b.start;
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}
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inline bool
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ircd::json::operator!=(const array::const_iterator &a,
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const array::const_iterator &b)
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{
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return a.start != b.start;
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}
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inline bool
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ircd::json::operator<=(const array::const_iterator &a,
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const array::const_iterator &b)
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{
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return a.start <= b.start;
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}
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inline bool
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ircd::json::operator>=(const array::const_iterator &a,
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const array::const_iterator &b)
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{
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return a.start >= b.start;
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}
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inline bool
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ircd::json::operator<(const array::const_iterator &a,
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const array::const_iterator &b)
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{
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return a.start < b.start;
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}
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inline bool
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ircd::json::operator>(const array::const_iterator &a,
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const array::const_iterator &b)
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{
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return a.start > b.start;
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}
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44
ircd/json.cc
44
ircd/json.cc
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@ -2982,14 +2982,6 @@ catch(const qi::expectation_failure<const char *> &e)
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};
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}
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ircd::json::array::const_iterator
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ircd::json::array::end()
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const
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{
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return { string_view::end(), string_view::end() };
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}
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ircd::string_view
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ircd::json::array::operator[](const size_t &i)
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const
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@ -3085,42 +3077,6 @@ catch(const qi::expectation_failure<const char *> &e)
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};
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}
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bool
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ircd::json::operator==(const array::const_iterator &a, const array::const_iterator &b)
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{
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return a.start == b.start;
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}
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bool
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ircd::json::operator!=(const array::const_iterator &a, const array::const_iterator &b)
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{
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return a.start != b.start;
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}
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bool
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ircd::json::operator<=(const array::const_iterator &a, const array::const_iterator &b)
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{
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return a.start <= b.start;
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}
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bool
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ircd::json::operator>=(const array::const_iterator &a, const array::const_iterator &b)
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{
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return a.start >= b.start;
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}
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bool
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ircd::json::operator<(const array::const_iterator &a, const array::const_iterator &b)
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{
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return a.start < b.start;
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}
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bool
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ircd::json::operator>(const array::const_iterator &a, const array::const_iterator &b)
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{
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return a.start > b.start;
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}
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///////////////////////////////////////////////////////////////////////////////
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//
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// json/member.h
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