C++ 读取文本内容为指定结构

#include 
#include 
#include 
#include 
#include 
#include 
using namespace std;

int main()
{
	fstream f1;
	f1.open("/home/scada/source/platform/personal_test/wzh/test/dpfClassDefine.txt");
	if(!f1.is_open())//打开文件失败 
	{
		cout<< "open file failed" <
		getline(f1,line);//按行读取 
		size_t pos1 = line.find("key-value");
		size_t pos2 = line.find("Vector");
		if(pos1 != string::npos) //解析struct 
		{
			string name1 = line.substr(0,pos1);
        	string note1 = line.substr(pos1+9);
			if(t>1)
				cout << "}" << endl;
			cout << "struct " << name1 << endl;
        	cout << "//" << note1 << endl;
        	cout << "{" << endl;//输出 
		}
        else if(pos2 != string::npos)
        {
        	string name2 = line.substr(0,pos2);
        	string note2 = line.substr(pos2+15);
			if(t>1)
				cout << "}" << endl;
			cout << "struct " << name2 << endl;
        	cout << "//" << note2 << endl;
        	cout << "{" << endl;//输出 
        }
		else //解析属性 
		{
			string str1,str2,str3;
			istringstream is(line);
			is>>str1>>str2>>str3;
			cout<<"t"<