DataElement.h

#pragma once

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <cmath>
#include <limits>

#include <QString>


#include "Error.h"
#include "BasicTypes.h"

// the DataElement.h and DataElements.cpp define a class that is
// used in stack and variable to store  single element of data and the
// definitions of the various types of values that may be stored

// we will pass a pointer to a DataElement to the functions of the
// Convert class for all output

#define MAXARRAYSIZE 1048576
class DataElement;

class DataElementArray
{
    public:
        int xdim;
        int ydim;
        std::vector<DataElement*> data;
};


class DataElementMap
{
    public:
        std::map<std::string, DataElement*> data;
};

class DataElement
{
	public:
		int type;	// type from BasicTypes.h
		QString stringval;
		double floatval;
		long intval;
		int level;
		DataElementArray *arr;
		DataElementMap *map;
        

		DataElement();
		~DataElement();
		
		DataElement(QString);
		DataElement(double);
		DataElement(long);
		DataElement(unsigned int);
		DataElement(int);
		DataElement(DataElement *);
		
		QString debug();
		void copy(DataElement *);
		
		void clear();
		
		void arrayDim(const int, const int, const bool);
		DataElement* arrayGetData(const int, const int);
		void arraySetData(const int, const int, DataElement *);
		void arrayUnassign(const int, const int);
		int arrayRows();
		int arrayCols();

		void mapDim();
		DataElement* mapGetData(QString);
		void mapSetData(QString, DataElement *);
		void mapSetData(std::string, DataElement *);
		void mapUnassign(QString);
		int mapLength();
		bool mapKey(QString);
		
		static int getError();
		static int getError(int);
		static int getType(DataElement*);

	private:
		static int e;		// error number thrown - will be 0 if no error
		void init();
};