91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/* $Id$ */
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/* Copyright (c) 2012 Pierre Pronchery <khorben@defora.org> */
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/* This file is part of DeforaOS Database libDatabase */
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/* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef LIBDATABASE_DATABASE_DATABASE_H
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# define LIBDATABASE_DATABASE_DATABASE_H
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# include <stdarg.h>
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# include <stdint.h>
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# include <System.h>
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/* Database */
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/* private */
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/* types */
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typedef enum _DatabaseType
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{
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DT_NULL = 0,
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DT_INTEGER,
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DT_TIMESTAMP,
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DT_VARCHAR
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} DatabaseType;
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typedef struct _Database Database;
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typedef struct _DatabaseStatement DatabaseStatement;
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typedef int (*DatabaseCallback)(void * data, int argc, char ** argv,
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char ** columns);
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typedef struct _DatabasePlugin DatabasePlugin;
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typedef struct _DatabasePluginDefinition
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{
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char const * name;
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char const * description;
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/* essential */
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DatabasePlugin * (*init)(Config * config, char const * section);
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void (*destroy)(DatabasePlugin * plugin);
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/* accessors */
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int64_t (*get_last_id)(DatabasePlugin * plugin);
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/* useful */
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int (*query)(DatabasePlugin * plugin, char const * query,
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DatabaseCallback callback, void * data);
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/* prepared statements */
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DatabaseStatement * (*prepare_new)(DatabasePlugin * plugin,
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char const * query);
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void (*prepare_delete)(DatabasePlugin * plugin,
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DatabaseStatement * statement);
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int (*prepare_query)(DatabasePlugin * plugin,
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DatabaseStatement * statement,
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DatabaseCallback callback, void * data,
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va_list args);
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} DatabasePluginDefinition;
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/* public */
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/* functions */
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Database * database_new(char const * engine, Config * config,
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char const * section);
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void database_delete(Database * database);
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/* accessors */
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int64_t database_get_last_id(Database * database);
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/* useful */
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DatabaseStatement * database_prepare_new(
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Database * database, char const * query);
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void database_prepare_delete(Database * database,
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DatabaseStatement * statement);
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int database_prepare_query(Database * database,
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DatabaseStatement * statement,
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DatabaseCallback callback, void * data, ...);
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int database_query(Database * database, char const * query,
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DatabaseCallback callback, void * data);
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#endif /* !LIBDATABASE_DATABASE_DATABASE_H */
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