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/*
Copyright (c) Ferruccio Barletta (ferruccio.barletta@gmail.com), 2010
This file is part of BDBVu.
BDBVu 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 3 of the License, or
(at your option) any later version.
BDBVu 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with BDBVu. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DATABASE_H
#define DATABASE_H
#include <db_cxx.h>
#include <QList>
#include <QStringList>
#include <vector>
//
// create our own exception class so that we can use something more flexible than a char* for messages
//
class dbexception : public std::exception
{
public:
dbexception(const QString& message) : std::exception() { this->message = message; }
virtual ~dbexception() throw() {}
const char* what() const throw() { return message.toLatin1(); }
private:
QString message;
};
//
// maps displayed keys to searchable keys
//
class dbkey
{
public:
QString display; // what is displayed to user
QString data;
};
//
// encapsulate BDB database
//
class database
{
public:
database();
virtual ~database();
QStringList sdblist; // sub-database list
QList<dbkey> keylist; // key list
QString sdbtype; // sub-database type
bool isopen() { return db != 0; }
void open(const char* filename);
void close();
void opensubdb(const QString& dbname);
QString getRecord(int index);
private:
QString filename; // db filename
DbEnv env; // BDB environment
Db *db; // current database
Db *sdb; // current sub-database
bool multiple; // does database contain sub-databases
void buildDatabaseList();
void closesubdb();
void buildKeyList();
};
#endif // DATABASE_H
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