ocarina/include/database.h

/*
 * Copyright 2013 (c) Anna Schumaker.
 */
#ifndef OCARINA_DATABASE_H
#define OCARINA_DATABASE_H

#include <file.h>
#include <print.h>

#include <vector>


class DatabaseEntry {
public:
	bool valid;

	DatabaseEntry();
	virtual void write(File &) = 0;
	virtual void read(File &) = 0;
#ifdef CONFIG_DEBUG
	virtual void print() = 0;
#endif /* CONFIG_DEBUG */
};


enum DatabaseFlags {
	DB_NORMAL,
	DB_UNIQUE,
};

template <class T>
class Database {
private:
	std::vector<T> db;
	unsigned int _size;
	File file;
	DatabaseFlags flags;

public:
	Database(std::string, DatabaseFlags);
	~Database();
	void save();
	void load();
#ifdef CONFIG_DEBUG
	void clear();
	void print();
#endif /* CONFIG_DEBUG */

	unsigned int insert(T);
	void remove(unsigned int);
	unsigned int size();
	unsigned int num_rows();

	unsigned int first();
	unsigned int last();
	unsigned int next(unsigned int);
	T &operator[](unsigned int);
};

#include "database.hpp"

#endif /* OCARINA_DATABASE_H */