int main(int argc, char* argv[])
{
string input; //接收键盘输入的表达式
Scan sc;
Print pr;
Calculation cal;
queue<string> q;
string res;
if (argc == 2)
{
input = argv[1];
q = sc.toStringQueue(input);
sc.clearQue();
pr.print(pr.getInfomation(sc.getFlag(), cal.getResult(q)));
}
else if (argc == 3 && strcmp(argv[1], "-a") == 0)
{
input = argv[argc - 1];
q = sc.toStringQueue(input);
pr.printQue(q);
sc.clearQue();
pr.print(pr.getInfomation(sc.getFlag(), cal.getResult(q)));
}
else if (argc == 4 && strcmp(argv[1], "-f") == 0)
{
sc.read(argv[2], argv[3]);
}
return 0;
}
int main(int argc,char *argv[])
{
using namespace std;
u_int op=0;
Scan input;
calculation cal;
Print output;
string arg[2]={"-a","-f"},exp;
if(argc==2){
exp=argv[1];
double ans=cal.calc( input.toStringQueue( exp ) ); //调用input类的toStringQueue方法，返回一个<string>的队列，将其传入cal的运算函数得到结果
output.print(exp,ans,op,cout);
}else if(argc>2&&arg[0]==argv[1]){
op=1;
exp=argv[2];
double ans=cal.calc( input.toStringQueue( exp ) ); //调用input类的toStringQueue方法，返回一个<string>的队列，将其传入cal的运算函数得到结果
output.print(exp,ans,op,cout);
}else if(argc>3&&arg[1]==argv[1]){
op=2;
ifstream in(argv[2]);
ofstream out(argv[3]);
if(!in||!out){
cout<<"Open File ERROR"<<endl;
exit(-1);
}
int cnt=0;
while(!in.eof()){
in>>exp;
double anst;
anst=cal.calc( input.toStringQueue( exp ) ); //调用input类的toStringQueue方法，返回一个<string>的队列，将其传入cal的运算函数得到结果
output.print(exp,anst,op,out);
cnt++;
if(cnt%1000)out<<flush;
}
in.close();
out.close();
}else{