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             ArrayDataIterator.h
        
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        Alexandre Leroux
    
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      #ifndef SCIQLOP_ARRAYDATAITERATOR_H

      #define SCIQLOP_ARRAYDATAITERATOR_H

      #include "CoreGlobal.h"

      #include "Data/SqpIterator.h"

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      #include <QVector>

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      #include <memory>

      /**

       * @brief The ArrayDataIteratorValue class represents the current value of an array data iterator.

       * It offers standard access methods for the data in the series (at(), first()), but it is up to

       * each array data to define its own implementation of how to retrieve this data (one-dim or two-dim

       * array), by implementing the ArrayDataIteratorValue::Impl interface

       * @sa ArrayDataIterator

       */

      class SCIQLOP_CORE_EXPORT ArrayDataIteratorValue {

      public:

          struct Impl {

              virtual ~Impl() noexcept = default;

              virtual std::unique_ptr<Impl> clone() const = 0;

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              virtual int distance(const Impl &other) const = 0;

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              virtual bool equals(const Impl &other) const = 0;

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              virtual bool lowerThan(const Impl &other) const = 0;

              virtual std::unique_ptr<Impl> advance(int offset) const = 0;

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              virtual void next(int offset) = 0;

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              virtual void prev() = 0;

              virtual double at(int componentIndex) const = 0;

              virtual double first() const = 0;

              virtual double min() const = 0;

              virtual double max() const = 0;

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              virtual QVector<double> values() const = 0;

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              virtual void swap(Impl &other) = 0;

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          };

          explicit ArrayDataIteratorValue(std::unique_ptr<Impl> impl);

          ArrayDataIteratorValue(const ArrayDataIteratorValue &other);

          ArrayDataIteratorValue &operator=(ArrayDataIteratorValue other);

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          int distance(const ArrayDataIteratorValue &other) const;

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          bool equals(const ArrayDataIteratorValue &other) const;

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          bool lowerThan(const ArrayDataIteratorValue &other) const;

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          ArrayDataIteratorValue advance(int offset) const;

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          /// Advances to the next value

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          void next(int offset = 1);

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          /// Moves back to the previous value

          void prev();

          /// Gets value of a specified component

          double at(int componentIndex) const;

          /// Gets value of first component

          double first() const;

          /// Gets min value among all components

          double min() const;

          /// Gets max value among all components

          double max() const;

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          /// Gets all values

          QVector<double> values() const;

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          Impl *impl();

          friend void swap(ArrayDataIteratorValue &lhs, ArrayDataIteratorValue &rhs)

          {

              std::swap(lhs.m_Impl, rhs.m_Impl);

          }

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      private:

          std::unique_ptr<Impl> m_Impl;

      };

      using ArrayDataIterator = SqpIterator<ArrayDataIteratorValue>;

      #endif // SCIQLOP_ARRAYDATAITERATOR_H

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Alexandre Leroux Creates general iterator for ArrayData	r597	#ifndef SCIQLOP_ARRAYDATAITERATOR_H
		#define SCIQLOP_ARRAYDATAITERATOR_H

		#include "CoreGlobal.h"
		#include "Data/SqpIterator.h"

Alexandre Leroux Adds method into ArrayData and DataSeries iterator to get all values	r621	#include <QVector>
Alexandre Leroux Creates general iterator for ArrayData	r597	#include <memory>

		/**
		* @brief The ArrayDataIteratorValue class represents the current value of an array data iterator.
		* It offers standard access methods for the data in the series (at(), first()), but it is up to
		* each array data to define its own implementation of how to retrieve this data (one-dim or two-dim
		* array), by implementing the ArrayDataIteratorValue::Impl interface
		* @sa ArrayDataIterator
		*/
		class SCIQLOP_CORE_EXPORT ArrayDataIteratorValue {
		public:
		struct Impl {
		virtual ~Impl() noexcept = default;
		virtual std::unique_ptr<Impl> clone() const = 0;
Alexandre Leroux Makes random access iterators...	r640	virtual int distance(const Impl &other) const = 0;
Alexandre Leroux Creates general iterator for ArrayData	r597	virtual bool equals(const Impl &other) const = 0;
Alexandre Leroux Makes random access iterators...	r640	virtual bool lowerThan(const Impl &other) const = 0;
		virtual std::unique_ptr<Impl> advance(int offset) const = 0;
Alexandre Leroux Improves random access iterator performance	r647	virtual void next(int offset) = 0;
Alexandre Leroux Creates general iterator for ArrayData	r597	virtual void prev() = 0;
		virtual double at(int componentIndex) const = 0;
		virtual double first() const = 0;
		virtual double min() const = 0;
		virtual double max() const = 0;
Alexandre Leroux Adds method into ArrayData and DataSeries iterator to get all values	r621	virtual QVector<double> values() const = 0;
Alexandre Leroux Adapts iterator to be MoveAssignable...	r627
		virtual void swap(Impl &other) = 0;
Alexandre Leroux Creates general iterator for ArrayData	r597	};

		explicit ArrayDataIteratorValue(std::unique_ptr<Impl> impl);
		ArrayDataIteratorValue(const ArrayDataIteratorValue &other);
		ArrayDataIteratorValue &operator=(ArrayDataIteratorValue other);

Alexandre Leroux Makes random access iterators...	r640	int distance(const ArrayDataIteratorValue &other) const;
Alexandre Leroux Creates general iterator for ArrayData	r597	bool equals(const ArrayDataIteratorValue &other) const;
Alexandre Leroux Makes random access iterators...	r640	bool lowerThan(const ArrayDataIteratorValue &other) const;
Alexandre Leroux Creates general iterator for ArrayData	r597
Alexandre Leroux Makes random access iterators...	r640	ArrayDataIteratorValue advance(int offset) const;
Alexandre Leroux Creates general iterator for ArrayData	r597	/// Advances to the next value
Alexandre Leroux Improves random access iterator performance	r647	void next(int offset = 1);
Alexandre Leroux Creates general iterator for ArrayData	r597	/// Moves back to the previous value
		void prev();
		/// Gets value of a specified component
		double at(int componentIndex) const;
		/// Gets value of first component
		double first() const;
		/// Gets min value among all components
		double min() const;
		/// Gets max value among all components
		double max() const;
Alexandre Leroux Adds method into ArrayData and DataSeries iterator to get all values	r621	/// Gets all values
		QVector<double> values() const;
Alexandre Leroux Creates general iterator for ArrayData	r597
Alexandre Leroux Adapts iterator to be MoveAssignable...	r627	Impl *impl();

		friend void swap(ArrayDataIteratorValue &lhs, ArrayDataIteratorValue &rhs)
		{
		std::swap(lhs.m_Impl, rhs.m_Impl);
		}

Alexandre Leroux Creates general iterator for ArrayData	r597	private:
		std::unique_ptr<Impl> m_Impl;
		};

		using ArrayDataIterator = SqpIterator<ArrayDataIteratorValue>;

		#endif // SCIQLOP_ARRAYDATAITERATOR_H