问C++初学者-从命令行读取3个连续值的最佳方法？

EN

class move { 
    char row;
    int column;
    char orientation;
public:
    friend std::istream &operator>>(std::istream &is, move &m);
};

std::istream &operator>>(std::istream &is, move &m) { 
    std::string temp;
    std::getline(is, temp);
    std::istringstream buffer(temp);

    // Now we can parse data from buffer just like we could from another stream.
    return is;
}

#include <iostream>
#include <limits>
#include <string>

using namespace std;

template<class T> T getValue(const string& name)
{
        T ret;
        while(!(cin >> ret))
        { 
                // normally here you'd go into an infinite loop, but since you're going to ignore the rest of the line, you can ensure that you won't go into an infinite loop and you can re-ask the user to input the correct data
                cout << "Invalid input for " << name << " please try again" << endl;
                cin.clear();
                cin.ignore(numeric_limits<streamsize>::max(), '\n');
        }
        return ret;
}

int main(void)
{
        bool valid = false;
        char row, orientation;
        int column;

        do {
                cout << "Enter row, column, and orientation (<A-P> <1-15> <H to V>): " << endl;
                row = getValue<char>("row");
                column = getValue<int>("column");
                orientation = getValue<char>("orientation");

                if(row<'A' || row>'P')
                        cout << "Invalid row please enter A-P" << endl;
                else if(column<1 || column>15)
                        cout << "Invalid column please enter 1-15" << endl;
                else if(orientation<'H' || orientation>'V')
                        cout << "Invalid orientation please enter H-V" << endl;
                else
                        valid = true;
        } while(!valid);

        cout << "Row: " << row << endl
             << "Column: " << column << endl
             << "Orientation: " << orientation << endl;

        return 0;
}