【C++ Primer Plus习题】14.5

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问题:

解答:
main.cpp

#include <iostream>
using namespace std;
#include "emp.h"

int main()
{
	employee em("Trip", "Harris", "Thumper");
	cout << em << endl;
	em.ShowAll();
	manager ma("Amorphia", "Spindragon", "Nuancer", 5);
	cout << ma << endl;
	em.ShowAll();

	fink fi("Matt", "Oggs", "Oiler", "Juno Barr");
	cout << fi << endl;
	fi.ShowAll();
	highfink hf(ma, "Curly Kew");
	hf.ShowAll();
	cout << "Press a key for next phase:\n";
	while (cin.get() != '\n')continue;
	highfink hf2;
	hf2.SetAll();
	cout << "Using an abstr_emp*pointer:\n";
	abstr_emp* tri[4] = { &em,&fi,&hf,&hf2 };
	for (int i = 0; i < 4; i++)
		tri[i]->ShowAll();
	return 0;
}

emp.h

#pragma once
#include <iostream>
#include <string>
using namespace std;

class abstr_emp
{
private:
	string fname;
	string lname;
	string job;
public:
	abstr_emp();
	abstr_emp(const string& fn, const string& ln, const string& j);
	virtual void ShowAll()const;
	virtual void SetAll();
	friend ostream& operator<<(ostream& os, const abstr_emp& e);
	virtual ~abstr_emp()=0;
};
class employee :public abstr_emp
{
public:
	employee();
	employee(const string& fn, const string& ln, const string& j);
	virtual void ShowAll()const override;
	virtual void SetAll() override;
};

class manager :virtual public abstr_emp
{
private:
	int inchargeof;
protected:
	int InChargeOf()const { return inchargeof; }
	int& InChargeOf() { return inchargeof; }
public:
	manager();
	manager(const string& fn, const string& ln, const string& j, int ico = 0);
	manager(const abstr_emp& e, int ico);
	manager(const manager& m);
	virtual void ShowAll()const override;
	virtual void SetAll()override;
};

class fink :virtual public abstr_emp
{
private:
	string reportsto;
protected:
	const string ReportsTo()const { return reportsto; }
	string& ReportsTo() { return reportsto; }
public:
	fink();
	fink(const string& fn, const string& ln, const string& j, const string& pro);
	fink(const abstr_emp& e, const string& pro);
	fink(const fink& e);
	virtual void ShowAll()const override;
	virtual void SetAll()override;
};

class highfink :public manager, public fink
{
public:
	highfink();
	highfink(const string& fn, const string& ln, const string& j, const string& pro, int ico);
	highfink(const abstr_emp& e, const string& rpo, int ico);
	highfink(const fink& f, int ico);
	highfink(const manager& m, const string& rpo);
	highfink(const highfink& h);
	virtual void ShowAll()const override;
	virtual void SetAll()override;
};

emp.cpp

#include "emp.h"

abstr_emp::abstr_emp():lname("none"),fname("none"),job("none")
{

}
abstr_emp::abstr_emp(const string& fn, const string& ln, const string& j)
{
	lname = ln;
	fname = fn;
	job = j;
}
void abstr_emp::ShowAll()const
{
	cout << "NAME: " << fname << "." << lname << endl;
	cout << "JOB TITLE: " << job << endl;
}
void abstr_emp::SetAll()
{
	cout << "Entenr the first name: ";
	getline(cin, fname);
	cout << "Entenr the last name: ";
	getline(cin, lname);
	cout << "Entenr the job title: ";
	getline(cin, job);
}
ostream& operator<<(ostream&os, const abstr_emp& e)
{
	os << "NAME: " << e.fname << "." << e.lname << endl;
	os << "JOB TITLE: " << e.job << endl;
	return os;
}
abstr_emp::~abstr_emp()
{

}


employee::employee():abstr_emp()
{

}
employee::employee(const string& fn, const string& ln, const string& j):abstr_emp(fn, ln, j)
{
	
}
void employee::ShowAll()const
{
	abstr_emp::ShowAll();
}
void employee::SetAll()
{
	abstr_emp::SetAll();
}

manager::manager():abstr_emp()
{
	inchargeof=0;
}
manager::manager(const string& fn, const string& ln, const string& j, int ico):abstr_emp(fn,ln,j)
{
	inchargeof = ico;
}
manager::manager(const abstr_emp& e, int ico):abstr_emp(e)
{
	inchargeof = ico;
}
manager::manager(const manager& m):abstr_emp(m)
{
	inchargeof = m.inchargeof;
}
void manager::ShowAll()const
{
	abstr_emp::ShowAll();
	cout << "IN CHARGE OF:" << inchargeof << endl;
}
void manager::SetAll()
{
	abstr_emp::SetAll();
	cout << "Enter the number of in charge:";
	cin >> inchargeof;
	while (cin.get() != '\n')continue;
}


fink::fink():abstr_emp()
{

}
fink::fink(const string& fn, const string& ln, const string& j, const string& pro):abstr_emp(fn,ln,j)
{
	this->reportsto = pro;
}
fink::fink(const abstr_emp& e, const string& pro):abstr_emp(e)
{
	this->reportsto = pro;
}
fink::fink(const fink& e):abstr_emp(e)
{
	this->reportsto = e.reportsto;

}
void fink::ShowAll()const
{
	abstr_emp::ShowAll();
	cout << "REPORT TO:" << reportsto << endl;
}
void fink::SetAll()
{
	abstr_emp::SetAll();
	cout << "Enter the reports to whom: ";
	getline(cin, reportsto);
}

highfink::highfink():abstr_emp(),manager(),fink()
{

}
highfink::highfink(const string& fn, const string& ln, const string& j, const string& pro, int ico):abstr_emp(fn,ln,j),manager(fn,ln,j,ico),fink(fn,ln,j,pro)
{

}
highfink::highfink(const abstr_emp& e, const string& pro, int ico):abstr_emp(e),manager(e,ico),fink(e,pro)
{

}
highfink::highfink(const fink& f, int ico):abstr_emp(f),fink(f),manager(f,ico)
{

}
highfink::highfink(const manager& m, const string& rpo):abstr_emp(m),manager(m),fink(m,rpo)
{

}
highfink::highfink(const highfink& h):abstr_emp(h),manager(h),fink(h)
{

}
void highfink::ShowAll()const
{
	manager::ShowAll();
	cout << "Reportsto: " << ReportsTo() << endl;
	cout << endl;
}
void highfink::SetAll()
{
	manager::SetAll();
	cout << "Enter the reportsto:";
	getline(cin, fink::ReportsTo());
}