解析config文件练手代码

解析一个如下的CONFIG文件

#config.txt
#SHTTPD Web 服务器配置文件示例
#侦听端口
ListenPort  =   80
#最大并发访问客户端数目
MaxClient   =   8
#Web网页根目录
DocumentRoot    =   /home/www/
#CGI根目录
CGIRoot     =   /home/www/cgi-bin/
#默认访问文件名
DefaultFile =   index.html
#客户端空闲链接超时时间
TimeOut     =   5

　　代码

#include <fstream>
#include <string>
#include <map>
#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>
#include <cctype>
#include <locale>
 
 
class GetConfigInfo {
public:
    bool ReadFile(std::string fileName);
 
private:
    std::map<std::string, std::string> configMap;
    std::fstream fin_;
};
 
bool GetConfigInfo::ReadFile(std::string fileName) {
    fin_.open(fileName);
    if (fin_.bad())
        return false;
    std::string readLine;
    while (getline(fin_, readLine))  //逐行读取，直到结束
    {
        size_t i = readLine.find("#");
        if (i != std::string::npos)
            continue;
        i = readLine.find_first_of(" \t");
        while (i != std::string::npos)
        {
            readLine.erase(i,1);
            i = readLine.find_first_of(" \t");
        }
        std::cout << readLine << std::endl;
        i = readLine.find("=");
        if (i == std::string::npos)
            continue;
        std::string s1 = readLine.substr(0,i);
        std::string s2 = readLine.substr(i + 1, std::string::npos);
        configMap.insert(std::pair<std::string, std::string>(s1, s2));
    }
 
    fin_.close();
    return true;
}
 
 
int main()
{
    GetConfigInfo gci;
    gci.ReadFile("config.txt");
    return 0;
}