mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-27 10:10:57 +00:00
91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
#ifndef __LIBRETRODB_H__
|
|
#define __LIBRETRODB_H__
|
|
|
|
#include <stdint.h>
|
|
#ifdef _WIN32
|
|
#include <direct.h>
|
|
#else
|
|
#include <unistd.h>
|
|
#endif
|
|
#include "rmsgpack_dom.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct libretrodb_query libretrodb_query_t;
|
|
|
|
typedef struct libretrodb libretrodb_t;
|
|
|
|
typedef struct libretrodb_cursor libretrodb_cursor_t;
|
|
|
|
typedef struct libretrodb_index libretrodb_index_t;
|
|
|
|
typedef int (*libretrodb_value_provider)(void *ctx, struct rmsgpack_dom_value *out);
|
|
|
|
int libretrodb_create(int fd, libretrodb_value_provider value_provider, void *ctx);
|
|
|
|
void libretrodb_close(libretrodb_t *db);
|
|
|
|
int libretrodb_open(const char *path, libretrodb_t *db);
|
|
|
|
int libretrodb_create_index(libretrodb_t *db, const char *name,
|
|
const char *field_name);
|
|
|
|
int libretrodb_find_entry(libretrodb_t *db, const char *index_name,
|
|
const void *key, struct rmsgpack_dom_value *out);
|
|
|
|
libretrodb_t *libretrodb_new(void);
|
|
|
|
void libretrodb_free(libretrodb_t *db);
|
|
|
|
libretrodb_cursor_t *libretrodb_cursor_new(void);
|
|
|
|
void libretrodb_cursor_free(libretrodb_cursor_t *dbc);
|
|
|
|
/**
|
|
* libretrodb_cursor_open:
|
|
* @db : Handle to database.
|
|
* @cursor : Handle to database cursor.
|
|
* @q : Query to execute.
|
|
*
|
|
* Opens cursor to database based on query @q.
|
|
*
|
|
* Returns: 0 if successful, otherwise negative.
|
|
**/
|
|
int libretrodb_cursor_open(libretrodb_t *db,
|
|
libretrodb_cursor_t *cursor,
|
|
libretrodb_query_t *query);
|
|
|
|
/**
|
|
* libretrodb_cursor_reset:
|
|
* @cursor : Handle to database cursor.
|
|
*
|
|
* Resets cursor.
|
|
*
|
|
* Returns: ???.
|
|
**/
|
|
int libretrodb_cursor_reset(libretrodb_cursor_t *cursor);
|
|
|
|
/**
|
|
* libretrodb_cursor_close:
|
|
* @cursor : Handle to database cursor.
|
|
*
|
|
* Closes cursor and frees up allocated memory.
|
|
**/
|
|
void libretrodb_cursor_close(libretrodb_cursor_t *cursor);
|
|
|
|
void *libretrodb_query_compile(libretrodb_t *db, const char *query,
|
|
size_t buff_len, const char **error);
|
|
|
|
void libretrodb_query_free(void *q);
|
|
|
|
int libretrodb_cursor_read_item(libretrodb_cursor_t *cursor,
|
|
struct rmsgpack_dom_value *out);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|