/*
 * Matrix.hpp
 *
 *  Created on: Mar 2, 2010
 *      Author: metzler
 */

#ifndef MATRIX_HPP_
#define MATRIX_HPP_

#include "memoryallocator.hpp"
#include <vector>

using namespace std;

/**
 * "Generic" field content type. Holds a value as its string representation as
 * to use in a text file.
 */
class FieldContent {
public:
  string getAsString();
  int getAsInt();
  double getAsDouble();
  void set(string valueToSet);
  void set(int valueToSet);
  void set(double valueToSet);
private:
  string value;
};

/**
 * Holds the data of a matrix.
 */
class Matrix {
public:
  Matrix(int rows, int columns);
  ~Matrix();
  void setHeader(const string text);
  string getHeader();
  int getNumberOfRows();
  int getNumberOfColumns();
  void setField(int rowIndex, int columnIndex, FieldContent value);
  FieldContent getField(int rowIndex, int columnIndex);

private:
  string header;
  vector<vector<FieldContent> > fields;
};

/**
 * Reads matrix with any formatting from a file.
 */
class MatrixReader {
public:
  MatrixReader();
  MatrixReader(char columnSep, char rowInitializer, char rowTerminator, char skipInitiator, char skipTerminator);
  Matrix* read(char* fileName, int rowOffset, int columnOffset);

private:
  int determineNumberOfColumns();
  char skipBegin;
  char skipEnd;
  char columnSeparator;
  char rowBegin;
  char rowEnd;
};

/**
 * Writes a matrix with any formatting to a file.
 */
class MatrixWriter {
public:
  void write(char* fileName, Matrix* matrix, char columnSeparator, char rowInitializer, char rowTerminator);
};

#endif /* MATRIX_HPP_ */