libDatabase
/* $Id$ */
/* Copyright (c) 2012-2019 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Database libDatabase */
/* 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, version 3 of the License.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <string.h>
#include <System.h>
#include "Database/database.h"
#include "Database/engine.h"
#include "database.h"
#include "../config.h"
#ifndef PREFIX
# define PREFIX "/usr/local"
#endif
#ifndef LIBDIR
# define LIBDIR PREFIX "/lib"
#endif
/* Database */
/* private */
/* types */
struct _Database
{
Plugin * plugin;
DatabaseEngineDefinition * dplugin;
DatabaseEngine * database;
};
/* public */
/* functions */
/* database_new */
Database * database_new(char const * engine, Config * config,
char const * section)
{
Database * database;
if((database = object_new(sizeof(*database))) == NULL)
return NULL;
memset(database, 0, sizeof(*database));
if((database->plugin = plugin_new(LIBDIR, "Database", "engine",
engine)) == NULL
|| (database->dplugin = plugin_lookup(database->plugin,
"database")) == NULL
|| (database->database = database->dplugin->init(config,
section)) == NULL)
{
database_delete(database);
return NULL;
}
return database;
}
/* database_delete */
void database_delete(Database * database)
{
if(database->plugin != NULL)
{
if(database->dplugin != NULL
&& database->dplugin->destroy != NULL
&& database->database != NULL)
database->dplugin->destroy(database->database);
plugin_delete(database->plugin);
}
object_delete(database);
}
/* accessors */
/* database_get_last_id */
int64_t database_get_last_id(Database * database)
{
return database->dplugin->get_last_id(database->database);
}
/* useful */
/* database_query */
int database_query(Database * database, char const * query,
DatabaseCallback callback, void * data)
{
return database->dplugin->query(database->database, query, callback,
data);
}
/* protected */
/* functions */
/* database_engine_statement_new */
DatabaseEngineStatement * database_engine_statement_new(Database * database,
char const * query)
{
return database->dplugin->statement_new(database->database, query);
}
/* database_engine_statement_delete */
void database_engine_statement_delete(Database * database,
DatabaseEngineStatement * statement)
{
database->dplugin->statement_delete(database->database, statement);
}
/* useful */
/* database_engine_statement_query */
int database_engine_statement_query(Database * database,
DatabaseEngineStatement * statement,
DatabaseCallback callback, void * data, va_list args)
{
return database->dplugin->statement_query(database->database, statement,
callback, data, args);
}