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 <stdarg.h>
#include <stdlib.h>
#ifdef DEBUG
# include <stdio.h>
#endif
#include <string.h>
#include <System.h>
#include "Database/engine.h"
/* Template */
/* private */
/* types */
typedef struct _DatabaseEngine
{
void * handle;
} Template;
typedef struct _DatabaseEngineStatement
{
char * query;
} TemplateStatement;
/* protected */
/* prototypes */
/* plug-in */
static Template * _template_init(Config * config, char const * section);
static void _template_destroy(Template * pgsql);
static int64_t _template_get_last_id(Template * pgsql);
static int _template_query(Template * pgsql, char const * query,
DatabaseCallback callback, void * data);
static TemplateStatement * _template_statement_new(Template * pgsql,
char const * query);
static void _template_statement_delete(Template * pgsql, TemplateStatement * statement);
static int _template_statement_query(Template * template,
TemplateStatement * statement, DatabaseCallback callback,
void * data, va_list args);
/* public */
/* variables */
DatabaseEngineDefinition database =
{
"Template",
NULL,
_template_init,
_template_destroy,
_template_get_last_id,
_template_query,
_template_statement_new,
_template_statement_delete,
_template_statement_query
};
/* private */
/* functions */
/* template_init */
static Template * _template_init(Config * config, char const * section)
{
Template * template;
if((template = object_new(sizeof(*template))) == NULL)
return NULL;
template->handle = NULL;
return template;
}
/* template_destroy */
static void _template_destroy(Template * template)
{
object_delete(template);
}
/* accessors */
/* template_get_last_id */
static int64_t _template_get_last_id(Template * template)
{
/* FIXME really implement */
return -1;
}
/* useful */
/* template_statement_new */
static TemplateStatement * _template_statement_new(Template * template,
char const * query)
{
TemplateStatement * statement;
if((statement = object_new(sizeof(*statement))) == NULL)
return NULL;
statement->query = string_new(query);
return statement;
}
/* template_statement_delete */
static void _template_statement_delete(Template * template, TemplateStatement * statement)
{
string_delete(statement->query);
object_delete(statement);
}
/* template_statement_query */
static int _template_statement_query(Template * template,
TemplateStatement * statement, DatabaseCallback callback,
void * data, va_list args)
{
int type = -1;
char const * name;
char const * s;
void * p;
/* FIXME really implement */
while((type = va_arg(args, int)) != -1)
{
name = va_arg(args, char const *);
switch(type)
{
case DT_VARCHAR:
s = va_arg(args, char const *);
/* FIXME implement */
break;
default:
p = va_arg(args, void *);
break;
}
}
return -1;
}
/* template_query */
static int _template_query(Template * template, char const * query,
DatabaseCallback callback, void * data)
{
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, query);
#endif
return -1;
}