package pro2;

 import java.io.BufferedReader;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.FileOutputStream;

 import java.io.IOException;

 import java.io.InputStreamReader;

 /**

  * 实现能计算一个文本的字符数，单词数和行数的功能

  * @author PC

  *

  */

 public class wcProject {

     private static int charcalculate=0;

     private static int wordcalculate=0;

     private static int linecalculate=0;

     //解析字符数，单词数，行数，空格数

     public static void calculate2() {

         String str="";

         int words = 0;//单词数

         int chars = 0;//字母数

         int lines = 0;//行数

         int spaces=0;//空格数

         int marks=0;//标点数

         int c=0;//字符数

         int t=0;//\t

         int count=0;

         FileInputStream fis=null;

         BufferedReader br=null;

         try {

             File file = new File("aaa.txt");

                 if (file.exists()){//判断文件是否存在

                     //打开文件输入流

                     fis=new FileInputStream(file);

                     //字符流写入了缓冲区

                     br=new BufferedReader(new InputStreamReader(fis));

                     while((str=br.readLine())!=null){//readLine()每次读取一行，转化为字符串，br.readLine()为null时，不执行

                         char[] b=str.toCharArray();//将字符串对象中的字符转换为一个字符数组

                         for (int i = 0; i < str.length(); i++) {

 //                            System.out.println("b[i]--"+b[i]);

                             if(b[i]!=' '&&b[i]!='\n'&&b[i]!='\t'&&b[i]!=','&&b[i]!='.'&&b[i]!='!'&&b[i]!=';'&&b[i]!='='){

                                 chars++;

                                 if(count>=1){

                                     count=0;

                                 }

                             }

                             if(b[i]==' '||b[i]=='\n'||b[i]=='\t'||b[i]==','||b[i]=='.'||b[i]=='!'||b[i]=='='||b[i]==';'){

                                 if(b[i]==' '){

                                     spaces++;

                                 }

                                 if(b[i]=='\t'){

                                     t++;

                                 }

                                 if (b[i]==','||b[i]=='.'||b[i]=='?'||b[i]=='!'||b[i]==';'){

                                     marks++;

                                 }

                                 words++;System.out.println("b[i]--"+b[i]+"--words--"+words);

                                 count++;

                                 if(count>1){

                                     words--;

                                 }

                             }

                         }

                         lines++;//行数（由于每次读取一行，行数自加即可）

                         c=chars+spaces+marks+t;

                     }

                     //关闭文件

                     br.close();

                     System.out.println("字符数："+c+"单词数："+(words+lines)+",字母数："+chars+",行数："+lines+",标点数："+marks+",空格数："+spaces);

                 }

             } catch (Exception e) {

                 e.printStackTrace();

             }

     }

     public static void calculate1() throws IOException

     {

         FileInputStream fis=new FileInputStream("aaa.txt");

         FileOutputStream fos=new FileOutputStream("bbb.txt");

         byte[] b=new byte[1024];

         int len=0;

         while((len=fis.read(b))!=-1){

             String str=new String(b,0,len);

 //            System.out.println(str);

             String a=str.replace(" ",",");

             fos.write(a.getBytes());

         }    

         FileInputStream fis1=new FileInputStream("bbb.txt");

         int a;

         int count=0;

         while((a=fis1.read())!=-1){

             if(a!=' '&&a!='\n'&&a!='\t'&&a!=','&&a!='.'&&a!='!'&&a!=';'&&a!='='){

 //                System.out.println("c--"+(char)a);

                 charcalculate++;

                 if(count>=1){

 //                    System.out.println("count--");

                     count=0;

                 }

             }

             if(a==' '||a=='\n'||a=='\t'||a==','||a=='.'||a=='!'||a=='='||a==';'){

 //                   System.out.println("w--"+(char)a);

                 wordcalculate++;

                 count++;

                 if(count>1){

 //                    System.out.println("wordcalculate--");

                     wordcalculate--;

                 }

             }

             if(a=='\n'){

 //                System.out.println("l--"+(char)a);

                 linecalculate++;

 //                count--;

             }

         }

         charcalculate=charcalculate-linecalculate;

         linecalculate++;

         fis.close();

         fos.close();

     }

     public static void main(String[] args) throws IOException{

 //        calculate2();

 //        calculate1();

 //        System.out.println("CharNum:"+charcalculate);

 //        System.out.println("WordNum:"+wordcalculate);

 //        System.out.println("LineNum:"+linecalculate);

     }

 }