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1 | // Copyright Benoit Blanchon 2014-2016
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2 | // MIT License
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3 | //
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4 | // Arduino JSON library
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5 | // https://github.com/bblanchon/ArduinoJson
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6 | // If you like this project, please add a star!
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7 |
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8 | #pragma once
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9 |
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10 | #include "ListNode.hpp"
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11 |
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12 | namespace ArduinoJson {
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13 | namespace Internals {
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14 |
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15 | // A read-only forward itertor for List<T>
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16 | template <typename T>
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17 | class ListConstIterator {
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18 | public:
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19 | explicit ListConstIterator(const ListNode<T> *node = NULL) : _node(node) {}
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20 |
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21 | const T &operator*() const { return _node->content; }
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22 | const T *operator->() { return &_node->content; }
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23 |
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24 | bool operator==(const ListConstIterator<T> &other) const {
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25 | return _node == other._node;
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26 | }
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27 |
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28 | bool operator!=(const ListConstIterator<T> &other) const {
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29 | return _node != other._node;
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30 | }
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31 |
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32 | ListConstIterator<T> &operator++() {
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33 | if (_node) _node = _node->next;
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34 | return *this;
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35 | }
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36 |
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37 | private:
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38 | const ListNode<T> *_node;
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39 | };
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40 | }
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41 | }
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