Go4Expert - Beginner problem

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Beginner problem

Okay what i want to do is:
Code the implementation of a Person class (2 person object are equal if they have the same name)
(b) Code the implementation of a Worker class
(c) The program must read in the name, age and workplace (comma delimited) from the console in to a Worker object and store in a vector.
What i have done so far is:

Code:

#include <iostream>

#include <string>



using namespace std;



class Person

{

public:

        string n;

public:

        Person(string n)

        {

                this->n = n;

        }

        bool operator==(const Person& obj) const;

        Person();



};

bool Person::operator ==(const Person& obj) const

{

        if(obj.n != this->n)

        {

                return false;

        }

        else

        {

                return true;

        }

}

class Worker

{

public:

        void setInfo(string, int, string);

        void getInfo(string&, int&, string&) const;

        Worker(string, int, string);

        Worker();



private:

        string name;

        int age;

        string workPlace;

};

I am completely lost on part b and c i dont know what to do. ANy help gr app. Thanks

Re: Beginner problem

Can you point as to where you are stuck because its very difficult to go through the entire code.

Re: Beginner problem

I have managed to figure out what i needed i would like to know how would i read a files values into my program that are comma deliminated. Like:
"David",23,"XPlace"
And does it matter if there are spaces when you reading in the information
ANy help greatly appreciated,

Re: Beginner problem

Well i got most of everything working with a little work. Like this:

Code:

#include <iostream>

#include <string>

#include <vector>

#include <fstream>



using namespace std;



class Person

{

protected: string o_name;



public:

        Person(string name)

        {

                this->o_name = name;

        }

        bool operator==(const Person& obj) const;

        bool operator!=(const Person& obj) const;

};



bool Person::operator ==(const Person& obj) const

{

        return (obj.o_name == this->o_name);

}

bool Person::operator !=(const Person &obj) const

{

        return (obj.o_name != this->o_name);

}





class Worker: public Person

{

friend ostream& operator<<(ostream&, const Worker &); 

friend istream& operator>>(istream&, Worker &); 



private:

        string workPlace;

        int age;

public:

        Worker(string name, string w_wP, int w_a): Person(name)

        {

                workPlace = w_wP;

                age = w_a;

        }

        string getName() const;

        string getWorkPlace() const;

        int getAge() const;

        void print() const;

};

string Worker::getName() const

{

        return o_name;

}

string Worker::getWorkPlace() const

{

        return workPlace;

}

int Worker::getAge() const

{

        return age;

}

void Worker::print() const

{

        cout << "Name = " << o_name

                << "; WorkPlace = " << workPlace

                << "; Age = " << age;

}

ostream& operator<<(ostream& osObject, const Worker& worker) 

{ 

   osObject <<"Name = " << worker.o_name << "; Work Place = " << worker.workPlace << "; Age = " << worker.age; 

   return osObject; 

} 

istream& operator>>(istream& isObject, Worker& worker) 

{ 

   isObject >> worker.o_name >> worker.workPlace >> worker.age; 

   return isObject; 

} 





int main()

{

        string text = "", text1 = "";

        int count = 0;



        ifstream in;

        ofstream out;



        in.open("one.txt");

        out.open("two.txt");

        



        string w_name, w_name2;

        string w_workPlace, w_workPlace2;

        int w_age, w_age2;

        char ch;



        cout << "Enter name, work place and age, comma seperated : ";

        getline(cin, w_name, ',');

        getline(cin, w_workPlace, ',');

        cin >> w_age;



        cin.get(ch);



        cout << "Enter name, work place and age, comma seperated : ";

        getline(cin, w_name2, ',');

        getline(cin, w_workPlace2, ',');

        cin >> w_age2;



        cin.get(ch); 





        Worker w1(w_name, w_workPlace, w_age);

        Worker w2(w_name2, w_workPlace2, w_age2);



        if(w1 == w2)

        {

                cout << "They have the same name" << endl;

        }

        else if(w1 != w2)

        {

                cout << "They do not have the same name" << endl;

        }

        vector<Worker> w;

        w.push_back(w1);

        w.push_back(w2);

        cout << "Size of vector : " << w.size() << endl;

        w1.print();

        cout << endl;

        cout << w1 << endl;

        

        cout << "First element : " << w.front() << endl;

        cout << "Last element : " << w.back() << endl;



        

        in.close();

        out.close();        



        return 0;

}

Does anyone know how i can enter stuff from a file (problem being, the stuff in the folder will be comma deliminated) coz i have to store it in a worker object then store in a vector once i have read it in. ANy help gret appre

Re: Beginner problem

ifstream in;
in.read(buf,Num);
Where buffer is where the content is read and num is the no of bytes read. So if I am getting you correctly this should read it from the file.

Re: Beginner problem

Quote:

Originally Posted by SparkyCH

i would like to know how would i read a files values into my program that are comma deliminated. Like:
"David",23,"XPlace"
And does it matter if there are spaces when you reading in the information

I probably missed on this post. If you read it using >> operator. Try using getline.

Re: Beginner problem

sorry but i dont understand im new, but how will that read infomration comma sperated it does not work for me

Re: Beginner problem

Why it shouldn't. Here is the sample code

Code:

#include <iostream.h>

#include <fstream.h>



#define N 100



int main()

{

        char buf[N];



        ifstream in;



        in.open("a.txt");

        in.getline(buf,N);



        cout<<buf << endl;

        

        return 0;

}

Re: Beginner problem

no i get that its just i want to use the data to store in an object.
like :
"darrel","xWork",34
Then store darrel xWork and 34 in the object

Re: Beginner problem

After you read it into buf convert it to whatever object you wish.