URLinfo.cpp

#include <iostream>

using namespace std;
int server_start_index;
int server_end_index;
int main(){
    string url;
    cin>>url;

    cout << "Retrieving the server :" << endl;
    string http = "http://";
    string https = "https://";

    int begin = 0;
    if(url.substr(0, 7) == http ){
        begin = 7;
    }
    if(url.substr(0, 8) == https){
        begin = 8;
    }

    //cout << begin << endl;

    string www = "www.";
    if(url.substr(begin, 4) == www){
        server_start_index = begin+4;
    }
    //cout << server_start_index<<endl;

    int server_end_index = 0;
    for(int i=server_start_index; i<url.length(); i++){
        if(url[i] == ':'){
            server_end_index = i;
            break;
        }
    }

    int server_length = server_end_index-server_start_index;
    string server_name = url.substr(server_start_index, server_length);
    cout << "Server name is : " << server_name << endl;

    int port_start_index = server_start_index+server_length+1;

    string port = url.substr(port_start_index, 4);
    cout <<"Port Number is : "<< port << endl;

    int file_start_index = 0;
    for (int i = port_start_index; i < url.length(); ++i)
    {
        if(url[i] == '/'){
            file_start_index = i+1;
        }
    }

    int file_length = url.length()-file_start_index;
    string file_name = url.substr(file_start_index, file_length);
    cout << "File name : " << file_name << endl;
    return 0;
}