mirror of
https://github.com/libretro/RetroArch.git
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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "menu.h"
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#include "menu_database.h"
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#include "menu_list.h"
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#include <string.h>
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#ifdef HAVE_LIBRETRODB
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static int menu_database_open_cursor(libretrodb_t *db,
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libretrodb_cursor_t *cur, const char *query)
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{
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const char *error = NULL;
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libretrodb_query_t *q = NULL;
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if (query)
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q = (libretrodb_query_t*)libretrodb_query_compile(db, query,
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strlen(query), &error);
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if (error)
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return -1;
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if ((libretrodb_cursor_open(db, cur, q)) != 0)
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return -1;
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return 0;
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}
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static int menu_database_fetch_from_query(libretrodb_t *db,
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libretrodb_cursor_t *cur, file_list_t *list)
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{
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unsigned i;
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struct rmsgpack_dom_value item;
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while (libretrodb_cursor_read_item(cur, &item) == 0)
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{
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if (item.type != RDT_MAP)
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continue;
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for (i = 0; i < item.map.len; i++)
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{
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struct rmsgpack_dom_value *key = &item.map.items[i].key;
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struct rmsgpack_dom_value *val = &item.map.items[i].value;
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if (!strcmp(key->string.buff, "description"))
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{
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menu_list_push(list, val->string.buff, "",
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MENU_FILE_RDB_ENTRY, 0);
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break;
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}
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}
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}
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return 0;
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}
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#endif
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int menu_database_populate_query(file_list_t *list, const char *path,
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const char *query)
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{
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#ifdef HAVE_LIBRETRODB
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libretrodb_t db;
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libretrodb_cursor_t cur;
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if ((libretrodb_open(path, &db)) != 0)
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return -1;
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if ((menu_database_open_cursor(&db, &cur, query) != 0))
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return -1;
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if ((menu_database_fetch_from_query(&db, &cur, list)) != 0)
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return -1;
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libretrodb_cursor_close(&cur);
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libretrodb_close(&db);
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#endif
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return 0;
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}
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