candidatetypeimp.cpp

C++编成数据结构与程序设计方法 D.S.Malk编著

#include <iostream>
#include <iomanip>
#include <string>
#include "candidateType.h"

using namespace std;

void candidateType::setVotes(int region, int votes)
{
    votesByRegion[region - 1] = votes;
}

void candidateType::updateVotesByRegion(int region, int votes)
{
    votesByRegion[region - 1] = votesByRegion[region - 1]
                                + votes;
}

void candidateType::calculateTotalVotes()
{
    int i;
	
    totalVotes = 0;

    for (i = 0; i < NO_OF_REGIONS; i++)
        totalVotes += votesByRegion[i];
}

int candidateType::getTotalVotes() const
{
    return totalVotes;
}

void candidateType::printData() const
{
    cout << left
         << setw(8) << firstName << " "
         << setw(8) << lastName << " ";

    cout << right;
    for (int i = 0; i < NO_OF_REGIONS; i++)
        cout << setw(8) << votesByRegion[i] << " ";
    cout << setw(7) << totalVotes << endl;
}

candidateType::candidateType()
{
    for (int i = 0; i < NO_OF_REGIONS; i++)
        votesByRegion[i] = 0;

    totalVotes = 0;
}

bool candidateType::operator==(const candidateType& right) const
{
    return (firstName == right.firstName 
            && lastName == right.lastName);
}

bool candidateType::operator!=(const candidateType& right) const
{
    return (firstName != right.firstName 
            || lastName != right.lastName);
}

bool candidateType::operator<=(const candidateType& right) const
{
    return (lastName <= right.lastName ||
            (lastName == right.lastName && 
             firstName <= right.firstName));
}

bool candidateType::operator<(const candidateType& right) const
{
    return (lastName < right.lastName ||
            (lastName == right.lastName && 
             firstName < right.firstName));
}

bool candidateType::operator>=(const candidateType& right) const
{
    return (lastName >= right.lastName ||
            (lastName == right.lastName && 
             firstName >= right.firstName));
}

bool candidateType::operator>(const candidateType& right) const
{
    return (lastName > right.lastName ||
            (lastName == right.lastName && 
             firstName > right.firstName));
}

const candidateType& candidateType::operator=
                                  (const candidateType& right)
{
    if (this != &right)  // avoid self-assignment
    {
        firstName = right.firstName;
        lastName = right.lastName;

        for (int i = 0; i < NO_OF_REGIONS; i++)
            votesByRegion[i] = right.votesByRegion[i];

        totalVotes = right.totalVotes;
    }
	
    return *this;
}

const candidateType& candidateType::operator=
                              (const personType& right)
{
    firstName = right.getFirstName();
    lastName = right.getLastName();

    return *this;
}