RetroArch/libretro-db/libretrodb_tool.c
2016-09-16 17:33:18 +02:00

146 lines
4.0 KiB
C

/* Copyright (C) 2010-2016 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (libretrodb_tool.c).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include <string/stdstring.h>
#include "libretrodb.h"
#include "rmsgpack_dom.h"
int main(int argc, char ** argv)
{
int rv;
libretrodb_t *db;
libretrodb_cursor_t *cur;
libretrodb_query_t *q;
struct rmsgpack_dom_value item;
const char *command, *path, *query_exp, *error;
if (argc < 3)
{
printf("Usage: %s <db file> <command> [extra args...]\n", argv[0]);
printf("Available Commands:\n");
printf("\tlist\n");
printf("\tcreate-index <index name> <field name>\n");
printf("\tfind <query expression>\n");
return 1;
}
command = argv[2];
path = argv[1];
db = libretrodb_new();
cur = libretrodb_cursor_new();
if (!db || !cur)
goto error;
if ((rv = libretrodb_open(path, db)) != 0)
{
printf("Could not open db file '%s': %s\n", path, strerror(-rv));
goto error;
}
else if (string_is_equal(command, "list"))
{
if ((rv = libretrodb_cursor_open(db, cur, NULL)) != 0)
{
printf("Could not open cursor: %s\n", strerror(-rv));
goto error;
}
if (argc != 3)
{
printf("Usage: %s <db file> list\n", argv[0]);
goto error;
}
while (libretrodb_cursor_read_item(cur, &item) == 0)
{
rmsgpack_dom_value_print(&item);
printf("\n");
rmsgpack_dom_value_free(&item);
}
}
else if (string_is_equal(command, "find"))
{
if (argc != 4)
{
printf("Usage: %s <db file> find <query expression>\n", argv[0]);
goto error;
}
query_exp = argv[3];
error = NULL;
q = libretrodb_query_compile(db, query_exp, strlen(query_exp), &error);
if (error)
{
printf("%s\n", error);
goto error;
}
if ((rv = libretrodb_cursor_open(db, cur, q)) != 0)
{
printf("Could not open cursor: %s\n", strerror(-rv));
goto error;
}
while (libretrodb_cursor_read_item(cur, &item) == 0)
{
rmsgpack_dom_value_print(&item);
printf("\n");
rmsgpack_dom_value_free(&item);
}
}
else if (string_is_equal(command, "create-index"))
{
const char * index_name, * field_name;
if (argc != 5)
{
printf("Usage: %s <db file> create-index <index name> <field name>\n", argv[0]);
goto error;
}
index_name = argv[3];
field_name = argv[4];
libretrodb_create_index(db, index_name, field_name);
}
else
{
printf("Unknown command %s\n", argv[2]);
goto error;
}
libretrodb_close(db);
error:
if (db)
libretrodb_free(db);
if (cur)
libretrodb_cursor_free(cur);
return 1;
}