book1.cpp

#include"book1.h"
ostream& operator <<(ostream& out,BookDetails a)
{
        cout<<" Book Number : ";
        out<<a.bookno<<endl;
	cout<<" Book Name : ";
	out<<a.name<<endl;
	cout<<" Author Name : ";
	out<<a.author<<endl;
	cout<<" Publisher Name : ";
	out<<a.publisher<<endl;
	cout<<" Publisher Number : ";
	out<<a.publishernumber<<endl;
	cout<<" Price : ";
	out<<a.price;
        cout<<endl<<endl;
	return out;
}
istream& operator >>(istream& in,BookDetails& a)
{
        cout<<" Enter Book Number : ";
        in>>a.bookno;
	cout<<" Enter Book Name : ";
	in>>a.name;
	cout<<" Enter Author Name : ";
	in>>a.author;
	cout<<" Enter Publisher Name : ";
	in>>a.publisher;
	cout<<" Enter Publisher Number : ";
	in>>a.publishernumber;
	cout<<" Enter Price : ";
	in>>a.price;
	cout<<endl;
	return in;
}
int Library::input()
{
	cout<<"\n\n Input The Book Details \n\n";
	cout<<" Enter Number Of Books : ";
	cin>>size;
	cout<<"\n\n";
	for(int i=0;i<size;i++)
	{
	     cin>>data[i];
	}
	return 1;
}
int Library :: display()
{
        cout<<"\n\n Displaying The Books \n\n";
        for(int i =0;i<size;i++)
        {
             cout<<data[i];
        }
        return 1;
}
Library::Library()
{
	size=15;
	data=new BookDetails[size];
	for(int i=0;i<size;i++)
	{
		data[i].bookno=0;
		strcpy(data[i].name,"\0");
		strcpy(data[i].author,"\0");
		data[i].publishernumber=0;
		data[i].price=0;
		strcpy(data[i].publisher,"\0");
	}
}
Library :: Library(int n)
{
	size=n;
	data=new BookDetails[size];
	for(int i=0;i<size;i++)
	{
		data[i].bookno=0;
		strcpy(data[i].name,"\0");
		strcpy(data[i].author,"\0");
		data[i].publishernumber=0;
		data[i].price=0;
		strcpy(data[i].publisher,"\0");
	}
}
int Library::sort()
{
	int 	n,i,j;
	Library temp;
	n=size;
	for(i=1;i<n;i++)
	{
		BookDetails t=data[i];
			for(j=i-1;((j>=0)&&(t.bookno<data[j].bookno));j--)
			{
				data[j+1]=data[j];
			}
			data[j+1]=t;
	}
	cout<<"\n\n Sorted In Ascending Order \n\n";
	return 1;
}
int Library ::search(int bookno1)
{
	int 	flag;
		flag=-1;
		for(int i=0;((i<size)&&(flag==-1));i++)
		{
			if(data[i].bookno==bookno1)flag=i+1;
		}
		if(flag==-1)
		{
			cout<<"\n\n Data Not Found \n\n";
			return -1;
		}
		else
		{
			cout<<"\n\n Data Found @ : "<<flag<<"\n\n";
			return flag;
		}
}
int Library ::insert()
{
	BookDetails b;
	Library	temp;
	int 	index;
		cout<<"\n\n Enter Details Of Book To Be Inserted \n\n";
		cin>>b;
		cout<<" Enter Index Of Where The Record Should Be Inserted : ";
		cin>>index;
		if(index>size)
		{
			cout<<"\n\n Book Cannot Be Inserted "<<endl;
			return -1;
		}
		else
		{
			for(int i=size;i>=index;i--)
			{
				data[i]=data[i-1];
			}
			data[index]=b;
			size+=1;
			cout<<"\n\n Book Inserted \n\n";
			return 1;
		}
}
int Library ::delete1()
{
	int 	n;
	int 	flag,bookno1;
	Library temp;
		n=size;
		cout<<"\n\n Enter BookNo To Be Deleted : ";
		cin>>bookno1;
		for(int i=0,flag=-1;i<n;i++)
		{
			if(data[i].bookno==bookno1)
			{
				for(int j=i;j<n-1;j++)
				{
					data[j]=data[j+1];
				}
				flag=1;
				n--;
				i--;
			}
		}
		if(flag==-1)
		{
			cout<<"\n\n Book Not Found \n\n";
			return -1;
		}
		else
		{
			cout<<"\n\n Book Deleted \n\n";
			size=n;
			return 1;
		}
}