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/*
* Copyright 2008 Fabrice Colin
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _SQL_DB_H
#define _SQL_DB_H
#include <string>
/// A row in a table.
class SQLRow
{
public:
virtual ~SQLRow();
unsigned int getColumnsCount(void) const;
virtual std::string getColumn(unsigned int nColumn) const = 0;
protected:
unsigned int m_nColumns;
SQLRow(unsigned int nColumns);
};
/// Results extracted from the database.
class SQLResults
{
public:
virtual ~SQLResults();
bool hasMoreRows(void) const;
virtual std::string getColumnName(unsigned int nColumn) const = 0;
virtual SQLRow *nextRow(void) = 0;
virtual bool rewind(void);
protected:
unsigned long m_nRows;
unsigned int m_nColumns;
unsigned long int m_nCurrentRow;
SQLResults(unsigned long nRows, unsigned int nColumns);
private:
SQLResults(const SQLResults &other);
SQLResults &operator=(const SQLResults &other);
};
/// A SQL database.
class SQLDB
{
public:
virtual ~SQLDB();
virtual bool isOpen(void) const = 0;
virtual bool executeSimpleStatement(const std::string &sql) = 0;
virtual SQLResults *executeStatement(const char *sqlFormat, ...) = 0;
protected:
std::string m_databaseName;
SQLDB(const std::string &databaseName);
private:
SQLDB(const SQLDB &other);
SQLDB &operator=(const SQLDB &other);
};
#endif // _SQL_DB_H
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