qmc.java

用Java实现Quine McCluskey逻辑简化算法

/*
 * Created on 07/04/2005
 *
 */
import java.io.*;

/**
 * @author Mohamed Alaa
 *
 */
public class QMC {

	public static void main(String[] args) {
		
		//check the number of input argumetns
		//System.out.println(args[0]);
		if(args.length != 2) {
			System.out.println("Usage: qmc inputFile outputFile");
			System.exit(0);
		}
		
		try{
			//create a new object
			QMC qmc = new QMC();
			//create new object for QuineMcCluskey
			QuineMcCluskey q = new QuineMcCluskey(); 
			//read input file into the class
			qmc.readInputFile(q, args[0]);		
			//perform the required minimization
			q.simplify();
			//write the output file
			qmc.writeOutputFile(q, args[1]);
		}
		catch (Exception e){
			System.out.println(e.toString());
		}
	}
	
	//read input file into QMC object to start solving
	//The input file contains a line per input minterm
	//0-> for logic 0, and 1 for logic 1
	private void readInputFile(QuineMcCluskey qmc, String inputFile){		
		
		try {
			//file reader
			BufferedReader inFile =new BufferedReader(new FileReader(inputFile));
			//string to hold line input
			String line;
			//read the file input
			while( (line =inFile.readLine())!=null ){
				//add the line minterm into the QuineMcCluskey object
				qmc.addTerm(line);
			}
			//Always close a stream when you are done with
			inFile.close();
		}
		catch (Exception e){
			//Handle FileNotFoundException,etc.
			System.out.println(e.getMessage());
		}
	}
	
	//write result of minimizing into output file
	//The output file contains a line per output minterms
	//0-> for logic 0, and 1 for logic 1, and X for dont care	
	private void writeOutputFile(QuineMcCluskey qmc, String outputFile){
		
		try {
			//file reader
			PrintWriter outFile =new PrintWriter(new FileWriter(outputFile));
			//string to hold output line
			String line;
			//write the output file term by term
			for (int i=0; i<qmc.count; i++)
				outFile.println(qmc.getTerm(i));
			//Always close a stream when you are done with
			outFile.close();
		}
		catch (Exception e){
			//Handle FileNotFoundException,etc.
			System.out.println(e.getMessage());
		}		
	}
	
}