NazaraEngine/include/Nazara/Core/IndexIterator.hpp

83 lines
2.0 KiB
C++

// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_CORE_INDEXITERATOR_HPP
#define NAZARA_CORE_INDEXITERATOR_HPP
#include <NazaraUtils/Prerequisites.hpp>
namespace Nz
{
class IndexMapper;
class IndexIterator
{
friend IndexMapper;
public:
class Reference;
IndexIterator();
IndexIterator(const IndexIterator& iterator);
~IndexIterator() = default;
Reference operator*() const;
Reference operator[](UInt32 index) const;
IndexIterator& operator=(const IndexIterator& iterator);
IndexIterator operator+(UInt32 indexCount) const;
IndexIterator operator-(UInt32 indexCount) const;
IndexIterator& operator+=(UInt32 indexCount);
IndexIterator& operator-=(UInt32 indexCount);
IndexIterator& operator++();
IndexIterator operator++(int);
IndexIterator& operator--();
IndexIterator operator--(int);
friend bool operator==(const IndexIterator& lhs, const IndexIterator& rhs);
friend bool operator!=(const IndexIterator& lhs, const IndexIterator& rhs);
friend bool operator<(const IndexIterator& lhs, const IndexIterator& rhs);
friend bool operator<=(const IndexIterator& lhs, const IndexIterator& rhs);
friend bool operator>(const IndexIterator& lhs, const IndexIterator& rhs);
friend bool operator>=(const IndexIterator& lhs, const IndexIterator& rhs);
private:
IndexIterator(IndexMapper* mapper, UInt32 index);
IndexMapper* m_mapper;
UInt32 m_index;
};
class IndexIterator::Reference
{
friend IndexIterator;
public:
Reference(const Reference& reference) = default;
~Reference() = default;
Reference& operator=(UInt32 value);
Reference& operator=(const Reference& reference);
operator UInt32() const;
private:
Reference(IndexMapper* mapper, UInt32 index);
IndexMapper* m_mapper;
UInt32 m_index;
};
}
#include <Nazara/Core/IndexIterator.inl>
#endif // NAZARA_CORE_INDEXITERATOR_HPP