#ifndef __FORMAT_HPP__
#define __FORMAT_HPP__

#include <iostream>
#include <fstream>
#include <string>

// parent class
class format
{
protected:
	int width;
public:
	format(int w) { width = w; }

	void output()
	{
		std::string line, word;

		std::ifstream inFile("quote.txt");

		inFile >> word;
		line = word;

		while (inFile >> word)
		{
			if (line.length() + word.length() + 1 > width)
			{
				justify(line);
				line = "";
			}
			if (line == "")
				line = word;
			else
				line = line + " " + word;
		}

		justify(line);
		inFile.close();
	}

	virtual void justify(const std::string& str) = 0;
};

class LeftJustify : public format
{
public:
	LeftJustify(int w) :format(w) {}

protected:
	virtual void justify(const std::string& str)
	{
		std::cout << str << std::endl;
	}
};


class RightJustify : public format
{
public:
	RightJustify(int w) :format(w) {}

protected:
	virtual void justify(const std::string& str)
	{
		int num = width - str.length();
		int i;
		
		for (i = 0; i < num; i++)
			std::cout << " ";

		std::cout << str << std::endl;
	}
};

class CenterJustify : public format
{
public:
	CenterJustify(int w) :format(w) {}

protected:
	virtual void justify(const std::string& str)
	{
		int num = (width - str.length())/2;
		int i;

		for (i = 0; i < num; i++)
			std::cout << " ";

		std::cout << str << std::endl;
	}
};

#endif