testprogram.cpp

data+structures+using+c的源码

#include <iostream>
#include <fstream>
#include <string>
#include <algorithm>
#include <vector>
#include <iterator>

#include "studentType.h"

using namespace std;

void getStudentData(ifstream& infile, 
					vector<studentType> &studentList);

void printGradeReports(ofstream& outfile, 
					   vector<studentType> studentList, 
					   double tuitionRate);

int main()
{
	vector<studentType> studentList;

	double tuitionRate;

	ifstream infile;
	ofstream outfile;

	infile.open("a:\\ch4_GradeData.txt");

	if(!infile)
	{
	   cout<<"Input file does not exist. "
  		   <<"Program terminates."<<endl;	
   	   return 1;
	}

	outfile.open("a:\\sDataOut.txt");

	infile>>tuitionRate;		//get the tuition rate

	getStudentData(infile, studentList);
	printGradeReports(outfile, studentList, tuitionRate);

	infile.close();
	outfile.close();

	return 0;
}


void getStudentData(ifstream& infile, 
					vector<studentType> &studentList)
{
		//Local variable
	string fName;	    //variable to store the first name
	string lName;	    //variable to store the last name
	int ID;				//variable to store the student ID
	int noOfCourses;	//variable to store the number of courses
	char isPaid;	    //variable to store Y/N, that is, 
						//is tuition paid
	bool isTuitionPaid;	//variable to store true/false
 
	string cName;	//variable to store the course name
	string cNo;		//variable to store the course number
	int credits;	//variable to store the course credit hours
	char grade;		//variable to store the course grade

	int i;		//loop control variable
	
	vector<courseType> courses;	  //vector of objects to store course  
							      //information
	courseType cTemp;
	studentType sTemp;

	infile>>fName;										//Step 1
	
	while(infile) 
	{
		infile>>lName>>ID>>isPaid;						//Step 1

		if(isPaid == 'Y')								//Step 2
			isTuitionPaid = true;
		else 
			isTuitionPaid = false;
	
		infile>>noOfCourses;							//Step 3

		courses.clear();								//Step 4

		for(i = 0; i < noOfCourses; i++)				//Step 5
		{
			infile>>cName>>cNo>>credits>>grade;			//Step 5.a
			cTemp.setCourseInfo(cName, cNo, 
							   grade, credits);			//Step 5.b
			courses.push_back(cTemp);					//Step 5.c
		}

		sTemp.setInfo(fName, lName, ID, isTuitionPaid,
		 	 		   courses);						//Step 6
		studentList.push_back(sTemp);					//Step 7
		
		infile>>fName;									//Step 1
   }//end while
}

void printGradeReports(ofstream& outfile, 
					   vector<studentType> studentList, 
					   double tuitionRate)
{
   unsigned int count;

    for(count = 0; count < studentList.size(); count++)
	    studentList[count].print(outfile, tuitionRate);
}