#ifndef LIBRARY_H
#define LIBRARY_H

#ifndef __CSTRING_H
#include <cstring.h>
#endif

#ifndef __FSTREAM_H
#include <fstream.h>
#endif

#ifndef DARRY_H
#include "darray.h"
#endif

#ifndef RCPOINTE_H
#include "rcpointe.h"
#endif

class Book
{
public:
	Book(){}
	Book(const string &a, const string &b):_author(a),_title(b){}
	void read(istream &s);
	void write(ostream &s)const;
	int operator== (const Book &b)const;
	int operator != (const Book &b) {return _author!= b._author || _title != b._title;}
	void windowString(char *buff)const;//returns string for window listing
	void tabString(char *buff)const;//returns string for tabbed listbox
private:
	string _author;
	string _title;
};  
typedef Array<Book> BookList; // used to make lists of books found

class Library
{
public:
// we won't read whole file since window needs to access each book as it's read
	void write(ostream &);
	void addBook(const Book&);
	int deleteBook(int); //location determined by interface
	BookList findAuthor(const string&);
	BookList findTitle(const string&);  
	int find(const Book&)const;
   void clearArray();
private:
	Array<Book> _books;
};
typedef RcPointer<Library> LibPtr;
#endif