package regxdemo;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

public class CountFile {

    /**

     * @param args

     */

    static int cntCode=0, cntNode=0, cntSpace=0;

    static boolean flagNode = false;

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        BufferedReader br = null;

        try {

            br = new BufferedReader(new FileReader("TestFile.java"));

            String line=null;

            while((line = br.readLine()) != null)

                pattern(line);

        } catch (FileNotFoundException e) {

            e.printStackTrace();

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        System.out.println("注释行： " + cntNode);

        System.out.println("空行： " + cntSpace);

        System.out.println("代码行： " + cntCode);

        System.out.println("总行： " + (cntNode+cntSpace+cntCode));

    }

    private static void pattern(String line) {

        // TODO Auto-generated method stub

        String regxNodeBegin = "\\s*/\\*.*";

        String regxNodeEnd = ".*\\*/\\s*";

        String regx = "//.*";

        String regxSpace = "\\s*";

        if(line.matches(regxNodeBegin) && line.matches(regxNodeEnd)){

            ++cntNode;

            return ;

        }

        if(line.matches(regxNodeBegin)){

            ++cntNode;

            flagNode = true;

        } else if(line.matches(regxNodeEnd)){

            ++cntNode;

            flagNode = false;

        } else if(line.matches(regxSpace))

             ++cntSpace;

        else if(line.matches(regx))

             ++cntNode;

        else if(flagNode)

             ++cntNode;

        else ++cntCode;

    }

}