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#ifndef SCIQLOP_SQPITERATOR_H
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#define SCIQLOP_SQPITERATOR_H
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#include "CoreGlobal.h"
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/**
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* @brief The SqpIterator class represents an iterator used in SciQlop. It defines all operators
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* needed for a standard forward iterator
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* @tparam T the type of object handled in iterator
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* @sa http://www.cplusplus.com/reference/iterator/
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*/
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template <typename T>
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class SCIQLOP_CORE_EXPORT SqpIterator {
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public:
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using iterator_category = std::forward_iterator_tag;
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using value_type = const T;
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using difference_type = std::ptrdiff_t;
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using pointer = value_type *;
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using reference = value_type &;
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explicit SqpIterator(T value) : m_CurrentValue{std::move(value)} {}
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virtual ~SqpIterator() noexcept = default;
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SqpIterator(const SqpIterator &) = default;
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SqpIterator(SqpIterator &&) = default;
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SqpIterator &operator=(const SqpIterator &) = default;
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SqpIterator &operator=(SqpIterator &&) = default;
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SqpIterator &operator++()
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{
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m_CurrentValue.next();
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return *this;
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}
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SqpIterator &operator--()
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{
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m_CurrentValue.prev();
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return *this;
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}
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const T *operator->() const { return &m_CurrentValue; }
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const T &operator*() const { return m_CurrentValue; }
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T *operator->() { return &m_CurrentValue; }
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T &operator*() { return m_CurrentValue; }
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bool operator==(const SqpIterator &other) const
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{
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return m_CurrentValue.equals(other.m_CurrentValue);
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}
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bool operator!=(const SqpIterator &other) const { return !(*this == other); }
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private:
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T m_CurrentValue;
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};
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#endif // SCIQLOP_SQPITERATOR_H
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