composite_forward_iterator.h

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#pragma once
 
#include "BaseComponents/BaseComponent.h"
#include "Interfaces/Iterators/IBaseForwardIterator.h"
 
namespace gui_framework
{
    namespace iterators
    {
        class GUI_FRAMEWORK_API composite_forward_iterator : public interfaces::IBaseForwardIterator<BaseComponent, composite_forward_iterator>
        {
        private:
            BaseComponent* currentComponent;
            std::stack<BaseComponent*> parents;
            std::stack<size_t> indices;
 
        public:
            composite_forward_iterator(BaseComponent* component) noexcept;
 
            BaseComponent* operator * () noexcept override;
 
            const BaseComponent* operator * () const noexcept override;
 
            BaseComponent* operator -> () noexcept override;
 
            const BaseComponent* operator -> () const noexcept override;
 
            IBaseConstForwardIterator<BaseComponent, composite_forward_iterator>& operator ++ () noexcept override;
 
            composite_forward_iterator operator ++ (int) noexcept override;
 
            bool operator == (const IBaseConstForwardIterator<BaseComponent, composite_forward_iterator>& composite_forward_iterator) const noexcept override;
 
            bool operator != (const IBaseConstForwardIterator<BaseComponent, composite_forward_iterator>& composite_forward_iterator) const noexcept override;
 
            ~composite_forward_iterator() = default;
        };
    }
}