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RetroArch/database_info.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2019 - Brad Parker
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <compat/strl.h>
#include <retro_endianness.h>
#include <file/file_path.h>
#include <lists/string_list.h>
#include <lists/dir_list.h>
#include <string/stdstring.h>
#include "libretro-db/libretrodb.h"
#include "core_info.h"
#include "database_info.h"
int database_info_build_query_enum(char *s, size_t len,
enum database_query_type type,
const char *path)
{
bool add_quotes = true;
bool add_glob = false;
s[0] = '{';
s[1] = '\'';
s[2] = '\0';
switch (type)
{
case DATABASE_QUERY_ENTRY:
strlcat(s, "name", len);
break;
case DATABASE_QUERY_ENTRY_PUBLISHER:
strlcat(s, "publisher", len);
break;
case DATABASE_QUERY_ENTRY_DEVELOPER:
strlcat(s, "developer", len);
add_glob = true;
add_quotes = false;
break;
case DATABASE_QUERY_ENTRY_ORIGIN:
strlcat(s, "origin", len);
break;
case DATABASE_QUERY_ENTRY_FRANCHISE:
strlcat(s, "franchise", len);
break;
case DATABASE_QUERY_ENTRY_RATING:
strlcat(s, "esrb_rating", len);
break;
case DATABASE_QUERY_ENTRY_BBFC_RATING:
strlcat(s, "bbfc_rating", len);
break;
case DATABASE_QUERY_ENTRY_ELSPA_RATING:
strlcat(s, "elspa_rating", len);
break;
case DATABASE_QUERY_ENTRY_ESRB_RATING:
strlcat(s, "esrb_rating", len);
break;
case DATABASE_QUERY_ENTRY_PEGI_RATING:
strlcat(s, "pegi_rating", len);
break;
case DATABASE_QUERY_ENTRY_CERO_RATING:
strlcat(s, "cero_rating", len);
break;
case DATABASE_QUERY_ENTRY_ENHANCEMENT_HW:
strlcat(s, "enhancement_hw", len);
break;
case DATABASE_QUERY_ENTRY_EDGE_MAGAZINE_RATING:
strlcat(s, "edge_rating", len);
add_quotes = false;
break;
case DATABASE_QUERY_ENTRY_EDGE_MAGAZINE_ISSUE:
strlcat(s, "edge_issue", len);
add_quotes = false;
break;
case DATABASE_QUERY_ENTRY_FAMITSU_MAGAZINE_RATING:
strlcat(s, "famitsu_rating", len);
add_quotes = false;
break;
case DATABASE_QUERY_ENTRY_RELEASEDATE_MONTH:
strlcat(s, "releasemonth", len);
add_quotes = false;
break;
case DATABASE_QUERY_ENTRY_RELEASEDATE_YEAR:
strlcat(s, "releaseyear", len);
add_quotes = false;
break;
case DATABASE_QUERY_ENTRY_MAX_USERS:
strlcat(s, "users", len);
add_quotes = false;
break;
case DATABASE_QUERY_NONE:
break;
}
strlcat(s, "':", len);
if (add_glob)
strlcat(s, "glob('*", len);
if (add_quotes)
strlcat(s, "\"", len);
strlcat(s, path, len);
if (add_glob)
strlcat(s, "*')", len);
if (add_quotes)
strlcat(s, "\"", len);
strlcat(s, "}", len);
return 0;
}
/*
* NOTE: Allocates memory, it is the caller's responsibility to free the
* memory after it is no longer required.
*/
char *bin_to_hex_alloc(const uint8_t *data, size_t len)
{
size_t i;
char *ret = (char*)malloc(len * 2 + 1);
if (len && !ret)
return NULL;
for (i = 0; i < len; i++)
snprintf(ret+i * 2, 3, "%02X", data[i]);
return ret;
}
static int database_cursor_iterate(libretrodb_cursor_t *cur,
database_info_t *db_info)
{
unsigned i;
struct rmsgpack_dom_value item;
const char* str = NULL;
if (libretrodb_cursor_read_item(cur, &item) != 0)
return -1;
if (item.type != RDT_MAP)
{
rmsgpack_dom_value_free(&item);
return 1;
}
db_info->analog_supported = -1;
db_info->rumble_supported = -1;
db_info->coop_supported = -1;
for (i = 0; i < item.val.map.len; i++)
{
struct rmsgpack_dom_value *key = &item.val.map.items[i].key;
struct rmsgpack_dom_value *val = &item.val.map.items[i].value;
const char *val_string = NULL;
if (!key || !val)
continue;
val_string = val->val.string.buff;
str = key->val.string.buff;
if (string_is_equal(str, "publisher"))
{
if (!string_is_empty(val_string))
db_info->publisher = strdup(val_string);
}
else if (string_is_equal(str, "developer"))
{
if (!string_is_empty(val_string))
db_info->developer = string_split(val_string, "|");
}
else if (string_is_equal(str, "serial"))
{
if (!string_is_empty(val_string))
db_info->serial = strdup(val_string);
}
else if (string_is_equal(str, "rom_name"))
{
if (!string_is_empty(val_string))
db_info->rom_name = strdup(val_string);
}
else if (string_is_equal(str, "name"))
{
if (!string_is_empty(val_string))
db_info->name = strdup(val_string);
}
else if (string_is_equal(str, "description"))
{
if (!string_is_empty(val_string))
db_info->description = strdup(val_string);
}
else if (string_is_equal(str, "genre"))
{
if (!string_is_empty(val_string))
db_info->genre = strdup(val_string);
}
else if (string_is_equal(str, "origin"))
{
if (!string_is_empty(val_string))
db_info->origin = strdup(val_string);
}
else if (string_is_equal(str, "franchise"))
{
if (!string_is_empty(val_string))
db_info->franchise = strdup(val_string);
}
else if (string_ends_with_size(str, "_rating",
strlen(str), STRLEN_CONST("_rating")))
{
if (string_is_equal(str, "bbfc_rating"))
{
if (!string_is_empty(val_string))
db_info->bbfc_rating = strdup(val_string);
}
else if (string_is_equal(str, "esrb_rating"))
{
if (!string_is_empty(val_string))
db_info->esrb_rating = strdup(val_string);
}
else if (string_is_equal(str, "elspa_rating"))
{
if (!string_is_empty(val_string))
db_info->elspa_rating = strdup(val_string);
}
else if (string_is_equal(str, "cero_rating"))
{
if (!string_is_empty(val_string))
db_info->cero_rating = strdup(val_string);
}
else if (string_is_equal(str, "pegi_rating"))
{
if (!string_is_empty(val_string))
db_info->pegi_rating = strdup(val_string);
}
else if (string_is_equal(str, "edge_rating"))
db_info->edge_magazine_rating = (unsigned)val->val.uint_;
else if (string_is_equal(str, "famitsu_rating"))
db_info->famitsu_magazine_rating = (unsigned)val->val.uint_;
else if (string_is_equal(str, "tgdb_rating"))
db_info->tgdb_rating = (unsigned)val->val.uint_;
}
else if (string_is_equal(str, "enhancement_hw"))
{
if (!string_is_empty(val_string))
db_info->enhancement_hw = strdup(val_string);
}
else if (string_is_equal(str, "edge_review"))
{
if (!string_is_empty(val_string))
db_info->edge_magazine_review = strdup(val_string);
}
else if (string_is_equal(str, "edge_issue"))
db_info->edge_magazine_issue = (unsigned)val->val.uint_;
else if (string_is_equal(str, "users"))
db_info->max_users = (unsigned)val->val.uint_;
else if (string_is_equal(str, "releasemonth"))
db_info->releasemonth = (unsigned)val->val.uint_;
else if (string_is_equal(str, "releaseyear"))
db_info->releaseyear = (unsigned)val->val.uint_;
else if (string_is_equal(str, "rumble"))
db_info->rumble_supported = (int)val->val.uint_;
else if (string_is_equal(str, "coop"))
db_info->coop_supported = (int)val->val.uint_;
else if (string_is_equal(str, "analog"))
db_info->analog_supported = (int)val->val.uint_;
else if (string_is_equal(str, "size"))
db_info->size = (unsigned)val->val.uint_;
else if (string_is_equal(str, "crc"))
{
switch (val->val.binary.len)
{
case 1:
db_info->crc32 = *(uint8_t*)val->val.binary.buff;
break;
case 2:
db_info->crc32 = swap_if_little16(*(uint16_t*)val->val.binary.buff);
break;
case 4:
db_info->crc32 = swap_if_little32(*(uint32_t*)val->val.binary.buff);
break;
default:
db_info->crc32 = 0;
break;
}
}
else if (string_is_equal(str, "sha1"))
db_info->sha1 = bin_to_hex_alloc(
(uint8_t*)val->val.binary.buff, val->val.binary.len);
else if (string_is_equal(str, "md5"))
db_info->md5 = bin_to_hex_alloc(
(uint8_t*)val->val.binary.buff, val->val.binary.len);
}
rmsgpack_dom_value_free(&item);
return 0;
}
static int database_cursor_open(libretrodb_t *db,
libretrodb_cursor_t *cur, const char *path, const char *query)
{
const char *error = NULL;
libretrodb_query_t *q = NULL;
if ((libretrodb_open(path, db)) != 0)
return -1;
if (query)
q = (libretrodb_query_t*)libretrodb_query_compile(db, query,
strlen(query), &error);
if (error)
goto error;
if ((libretrodb_cursor_open(db, cur, q)) != 0)
goto error;
if (q)
libretrodb_query_free(q);
return 0;
error:
if (q)
libretrodb_query_free(q);
libretrodb_close(db);
return -1;
}
static int database_cursor_close(libretrodb_t *db, libretrodb_cursor_t *cur)
{
libretrodb_cursor_close(cur);
libretrodb_close(db);
return 0;
}
static bool type_is_prioritized(const char *path)
{
const char *ext = path_get_extension(path);
if (string_is_equal_noncase(ext, "cue"))
return true;
if (string_is_equal_noncase(ext, "gdi"))
return true;
return false;
}
static int dir_entry_compare(const void *left, const void *right)
{
const struct string_list_elem *le = (const struct string_list_elem*)left;
const struct string_list_elem *re = (const struct string_list_elem*)right;
bool l = type_is_prioritized(le->data);
bool r = type_is_prioritized(re->data);
return (int) r - (int) l;
}
static void dir_list_prioritize(struct string_list *list)
{
qsort(list->elems, list->size, sizeof(*list->elems), dir_entry_compare);
}
database_info_handle_t *database_info_dir_init(const char *dir,
enum database_type type, retro_task_t *task,
bool show_hidden_files)
{
core_info_list_t *core_info_list = NULL;
struct string_list *list = NULL;
database_info_handle_t *db = (database_info_handle_t*)
malloc(sizeof(*db));
if (!db)
return NULL;
core_info_get_list(&core_info_list);
list = dir_list_new(dir, core_info_list ? core_info_list->all_ext : NULL,
false, show_hidden_files,
false, true);
if (!list)
{
free(db);
return NULL;
}
dir_list_prioritize(list);
db->status = DATABASE_STATUS_ITERATE;
db->type = type;
db->list_ptr = 0;
db->list = list;
return db;
}
database_info_handle_t *database_info_file_init(const char *path,
enum database_type type, retro_task_t *task)
{
union string_list_elem_attr attr;
struct string_list *list = NULL;
database_info_handle_t *db = (database_info_handle_t*)
malloc(sizeof(*db));
if (!db)
return NULL;
attr.i = 0;
list = string_list_new();
if (!list)
{
free(db);
return NULL;
}
string_list_append(list, path, attr);
db->status = DATABASE_STATUS_ITERATE;
db->type = type;
db->list_ptr = 0;
db->list = list;
return db;
}
void database_info_free(database_info_handle_t *db)
{
if (!db)
return;
string_list_free(db->list);
}
database_info_list_t *database_info_list_new(
const char *rdb_path, const char *query)
{
int ret = 0;
unsigned k = 0;
database_info_t *database_info = NULL;
database_info_list_t *database_info_list = NULL;
libretrodb_t *db = libretrodb_new();
libretrodb_cursor_t *cur = libretrodb_cursor_new();
if (!db || !cur)
goto end;
if ((database_cursor_open(db, cur, rdb_path, query) != 0))
goto end;
database_info_list = (database_info_list_t*)
malloc(sizeof(*database_info_list));
if (!database_info_list)
goto end;
database_info_list->count = 0;
database_info_list->list = NULL;
while (ret != -1)
{
database_info_t db_info = {0};
ret = database_cursor_iterate(cur, &db_info);
if (ret == 0)
{
database_info_t *db_ptr = NULL;
database_info_t *new_ptr = (database_info_t*)
realloc(database_info, (k+1) * sizeof(database_info_t));
if (!new_ptr)
{
if (db_info.bbfc_rating)
free(db_info.bbfc_rating);
if (db_info.cero_rating)
free(db_info.cero_rating);
if (db_info.description)
free(db_info.description);
if (db_info.edge_magazine_review)
free(db_info.edge_magazine_review);
if (db_info.elspa_rating)
free(db_info.elspa_rating);
if (db_info.enhancement_hw)
free(db_info.enhancement_hw);
if (db_info.esrb_rating)
free(db_info.esrb_rating);
if (db_info.franchise)
free(db_info.franchise);
if (db_info.genre)
free(db_info.genre);
if (db_info.name)
free(db_info.name);
if (db_info.origin)
free(db_info.origin);
if (db_info.pegi_rating)
free(db_info.pegi_rating);
if (db_info.publisher)
free(db_info.publisher);
if (db_info.rom_name)
free(db_info.rom_name);
if (db_info.serial)
free(db_info.serial);
if (db_info.md5)
free(db_info.md5);
if (db_info.sha1)
free(db_info.sha1);
database_info_list_free(database_info_list);
free(database_info);
free(database_info_list);
database_info_list = NULL;
goto end;
}
database_info = new_ptr;
db_ptr = &database_info[k];
memcpy(db_ptr, &db_info, sizeof(*db_ptr));
k++;
}
}
database_info_list->list = database_info;
database_info_list->count = k;
end:
if (db)
{
database_cursor_close(db, cur);
libretrodb_free(db);
}
if (cur)
libretrodb_cursor_free(cur);
return database_info_list;
}
void database_info_list_free(database_info_list_t *database_info_list)
{
size_t i;
if (!database_info_list)
return;
for (i = 0; i < database_info_list->count; i++)
{
database_info_t *info = &database_info_list->list[i];
if (info->name)
free(info->name);
if (info->rom_name)
free(info->rom_name);
if (info->serial)
free(info->serial);
if (info->genre)
free(info->genre);
if (info->description)
free(info->description);
if (info->publisher)
free(info->publisher);
if (info->developer)
string_list_free(info->developer);
info->developer = NULL;
if (info->origin)
free(info->origin);
if (info->franchise)
free(info->franchise);
if (info->edge_magazine_review)
free(info->edge_magazine_review);
if (info->cero_rating)
free(info->cero_rating);
if (info->pegi_rating)
free(info->pegi_rating);
if (info->enhancement_hw)
free(info->enhancement_hw);
if (info->elspa_rating)
free(info->elspa_rating);
if (info->esrb_rating)
free(info->esrb_rating);
if (info->bbfc_rating)
free(info->bbfc_rating);
if (info->sha1)
free(info->sha1);
if (info->md5)
free(info->md5);
}
free(database_info_list->list);
}
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