wc项目

文本文件数据统计程序

1.代码来源：借鉴同学代码并作出调整及修改

2.运行环境：Linux

3.编程语言：C++

4.bug：未发现

5.当前功能：根据输入的文件，显示出文本文件的字符数和行数。

5.功能扩展的方向：无扩展，仅对代码进行阅读。

6.gitbub代码地址：https://github.com/selfTboke/project2

7.实现

代码如下：

/*
* count.cpp
*
* Created on: Sep 9, 2017
* Author: moon
*/

#include "count.h"
#include <fstream>
using namespace std;

count::count() {
}

count::~count() {
}

void count::setFileName(string fileName) {
this->fileName = fileName;
}

int count::computingChar(void) {
std::ifstream in(fileName);
if (!in.is_open())
return 0;

in.seekg(0, std::ios_base::end);
std::streampos sp = in.tellg();
in.close();
return sp;
}

int count::computingLine(void) {
ifstream in;
int num = 0;
string str;

in.open(fileName);
while (getline(in, str)) {
num++;
}
in.close();
return num;
}

int count::computingWord(void) {
int num = 0;
char c;
char priorC;
ifstream in;

in.open(fileName);
in.get(c);
priorC = ' ';
while (!in.eof()) {
if (c >= 'a' && c <= 'z') {
if (priorC == ' ' || priorC == '\n' || priorC == '.'
|| priorC == ',' || priorC == ':' || priorC == '?'
|| priorC == '!') {
num++;
}
}

priorC = c;
in.get(c);
}
in.close();
return num;
}

/*
* count.h
*
* Created on: Sep 9, 2017
* Author: moon
*/

#ifndef count_H_
#define count_H_
#include <string>

class count {
public:
count();
virtual ~count();
private:
std::string fileName;
public:
/**
* @function:Setting value of fileName
*/
void setFileName(std::string fileName);
/**
* @function:Counting the number of character
* @return:If success,return the number of character,else return -1
*/
int computingChar(void);
/**
* @function:Counting the number of word
* @return:If success,return the number of word,else return -1
*/
int computingWord(void);
/**
* @function:Counting the number of line
* @return:If success,return the number of line,else return -1
*/
int computingLine(void);
};

#endif /* count_H_ */