main.cpp

/**********************************************************************
 * linkedlist.cpp - CSCI212 - Ass1 - Contains LinkedList class definition
 * Anthony Burchell-Bailey - 4245490 - /4/2013
 **********************************************************************/

#include <iostream>
#include <cstddef>
#include <string>
#include "linkedlist.h"
#include <iomanip>
using namespace std;

LinkedList::LinkedList()
{
  Head = NULL;
}

LinkedList::~LinkedList()
{
	while(Head != NULL)
	{
		PNode curr = Head;
		Head = Head->next;
		delete curr;
	}
}

void LinkedList::AddToTail(string newdata, int newdate, int newtim, float newsize)
{
	PNode tmp, curr;

//	create a new customer and store the information
	tmp = new node;
	tmp->name = newdata;
	tmp->file = 1;
	tmp->ODate = newdate;
	tmp->OTim = newtim;
	tmp->NDate = newdate;
	tmp->NTim = newtim;
	tmp->Size = newsize;
	tmp->next = NULL;

//	add to the end of the list if the list is not empty

	if (Head != NULL)
	{
		curr = Head;
		while(((*curr).name).compare(newdata) != 0)
		{
			if(((*curr).name).compare(newdata) > 0)
			{
				tmp->next = Head;
				Head = tmp;
			}
			else
			{
				while(((*curr).name).compare(newdata) < 0 && curr->next)
				{
					curr = curr->next;
					if((*curr).name.compare(newdata) == 0)
					{
						break;
					}
				}
				if(((*curr).name).compare(newdata) == 0)
				{
					break;
				}
				tmp->next = curr->next;
				curr->next = tmp;

			}
			break;
		}
		if(((*curr).name).compare(newdata) == 0)
		{
			(*curr).file += 1;
			(*curr).Size += newsize;
			if((*curr).ODate < newdate)
			{
				(*curr).ODate = newdate;
			}
			if((*curr).NDate > newdate)
			{
				(*curr).NDate = newdate;
			}
		}
	}
	else
		Head = tmp;
}

void LinkedList::Print()//prints list. eg 12 34 21 26
{
	PNode ins = Head;
	double tsize = 0;
	string unit = "B";
	string Aname = "ALL";
	int afile = 0;
	int aodate = ins->ODate;
	int andate = ins->NDate;
	int asize = 0;

	while(ins)
	{
		unit = "B";
		afile += ins->file;
		asize += ins->Size;
		tsize = ins->Size;
		if(ins->ODate < aodate)
		{
			aodate = ins->ODate;
		}
		if(ins->NDate > andate)
		{
			andate = ins->NDate;
		}
		// cout << ins->name << "\t" << ins->file << "\t";
		printf("%s\t%d\t", ins->name.c_str(), ins->file);
		// cout << ins->ODate << "\t" << ins->NDate << "\t";
		printf("%d\t%d\t", ins->ODate, ins->NDate);
		if(tsize > 9999)
		{
			tsize = tsize / 1024;
			unit = "KB";
			if(tsize > 9999)
			{
				tsize = tsize / 1024;
				unit = "MB";
				if(tsize > 9999)
				{
					tsize = tsize / 1024;
					unit = "GB";
					if(tsize > 9999)
					{
						tsize = tsize / 1024;
						unit = "TB";
					}
				}
			}
		}
		cout << setprecision(4) << tsize << unit << "\n";
		ins = ins->next;
	}
	tsize = asize;
	unit = "B";
	if(tsize > 9999)
	{
		tsize = tsize / 1024;
		unit = "KB";
		if(tsize > 9999)
		{
			tsize = tsize / 1024;
			unit = "MB";
			if(tsize > 9999)
			{
				tsize = tsize / 1024;
				unit = "GB";
				if(tsize > 9999)
				{
					tsize = tsize / 1024;
					unit = "TB";
				}
			}
		}
	}

	cout << endl;
	cout << Aname << "\t" << afile << "\t" << aodate << "\t" << andate << "\t" << setprecision(4) << tsize << unit;
	cout << endl;
}