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menu_explore.c
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2020 - Daniel De Matteis
* Copyright (C) 2020 - Psyraven
*
* 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 <stddef.h>
#include <compat/strcasestr.h>
#include <compat/strl.h>
#include <array/rbuf.h>
#include <array/rhmap.h>
#include <formats/rjson.h>
#include <formats/rjson_helpers.h>
#include <retro_endianness.h>
#include "menu_driver.h"
#include "menu_cbs.h"
#include "../retroarch.h"
#include "../configuration.h"
#include "../file_path_special.h"
#include "../playlist.h"
#include "../verbosity.h"
#include "../libretro-db/libretrodb.h"
#include "../tasks/tasks_internal.h"
/* Explore */
enum
{
EXPLORE_BY_DEVELOPER = 0,
EXPLORE_BY_PUBLISHER,
EXPLORE_BY_RELEASEYEAR,
EXPLORE_BY_PLAYERCOUNT,
EXPLORE_BY_GENRE,
EXPLORE_BY_ACHIEVEMENTS,
EXPLORE_BY_CATEGORY,
EXPLORE_BY_LANGUAGE,
EXPLORE_BY_CONSOLE_EXCLUSIVE,
EXPLORE_BY_PLATFORM_EXCLUSIVE,
EXPLORE_BY_RUMBLE,
EXPLORE_BY_SCORE,
EXPLORE_BY_MEDIA,
EXPLORE_BY_CONTROLS,
EXPLORE_BY_ARTSTYLE,
EXPLORE_BY_GAMEPLAY,
EXPLORE_BY_NARRATIVE,
EXPLORE_BY_PACING,
EXPLORE_BY_PERSPECTIVE,
EXPLORE_BY_SETTING,
EXPLORE_BY_VISUAL,
EXPLORE_BY_VEHICULAR,
EXPLORE_BY_ORIGIN,
EXPLORE_BY_REGION,
EXPLORE_BY_FRANCHISE,
EXPLORE_BY_TAGS,
EXPLORE_BY_SYSTEM,
EXPLORE_CAT_COUNT,
EXPLORE_OP_EQUAL = 0,
EXPLORE_OP_MIN,
EXPLORE_OP_MAX,
EXPLORE_OP_RANGE,
EXPLORE_ICONS_OFF = 0,
EXPLORE_ICONS_CONTENT = 1,
EXPLORE_ICONS_SYSTEM_CATEGORY = 2,
EXPLORE_TYPE_ADDITIONALFILTER = FILE_TYPE_RDB, /* database icon */
EXPLORE_TYPE_VIEW = FILE_TYPE_PLAIN, /* file icon */
EXPLORE_TYPE_FILTERNULL = MENU_SETTINGS_LAST,
EXPLORE_TYPE_SEARCH,
EXPLORE_TYPE_SHOWALL,
EXPLORE_TYPE_FIRSTCATEGORY,
EXPLORE_TYPE_FIRSTITEM = EXPLORE_TYPE_FIRSTCATEGORY + EXPLORE_CAT_COUNT
};
/* Arena allocator */
typedef struct ex_arena
{
char *ptr;
char *end;
char **blocks;
} ex_arena;
typedef struct
{
uint32_t idx;
char str[1];
} explore_string_t;
typedef struct
{
const struct playlist_entry* playlist_entry;
explore_string_t *by[EXPLORE_CAT_COUNT];
explore_string_t **split;
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
char* original_title;
#endif
} explore_entry_t;
struct explore_state
{
ex_arena arena;
explore_string_t **by[EXPLORE_CAT_COUNT];
explore_entry_t *entries;
playlist_t **playlists;
uintptr_t *icons;
const char *label_explore_item_str;
char title[1024];
bool has_unknown[EXPLORE_CAT_COUNT];
unsigned show_icons;
unsigned view_levels;
char view_search[1024];
uint8_t view_op[EXPLORE_CAT_COUNT];
bool view_use_split[EXPLORE_CAT_COUNT];
unsigned view_cats[EXPLORE_CAT_COUNT];
explore_string_t* view_match[EXPLORE_CAT_COUNT];
uint32_t view_idx_min[EXPLORE_CAT_COUNT];
uint32_t view_idx_max[EXPLORE_CAT_COUNT];
};
static const struct
{
const char* rdbkey;
enum msg_hash_enums name_enum, by_enum;
bool use_split, is_company, is_numeric, is_boolean;
}
explore_by_info[EXPLORE_CAT_COUNT] =
{
{ "developer", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_DEVELOPER, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_DEVELOPER, true, true, false, false },
{ "publisher", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_PUBLISHER, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_PUBLISHER, true, true, false, false },
{ "releaseyear", MENU_ENUM_LABEL_VALUE_EXPLORE_CATEGORY_RELEASE_YEAR, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_RELEASE_YEAR, false, false, true, false },
{ "users", MENU_ENUM_LABEL_VALUE_EXPLORE_CATEGORY_PLAYER_COUNT, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_PLAYER_COUNT, false, false, true, false },
{ "genre", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_GENRE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_GENRE, true, false, false, false },
{ "achievements", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_ACHIEVEMENTS, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_ACHIEVEMENTS, false, false, false, true },
{ "category", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_CATEGORY, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_CATEGORY, true, false, false, false },
{ "language", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_LANGUAGE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_LANGUAGE, true, false, false, false },
{ "console_exclusive", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_CONSOLE_EXCLUSIVE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_CONSOLE_EXCLUSIVE, false, false, false, true },
{ "platform_exclusive", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_PLATFORM_EXCLUSIVE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_PLATFORM_EXCLUSIVE, false, false, false, true },
{ "rumble", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_RUMBLE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_RUMBLE, false, false, false, true },
{ "score", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_SCORE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_SCORE, true, false, false, false },
{ "media", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_MEDIA, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_MEDIA, true, false, false, false },
{ "controls", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_CONTROLS, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_CONTROLS, true, false, false, false },
{ "artstyle", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_ARTSTYLE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_ARTSTYLE, true, false, false, false },
{ "gameplay", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_GAMEPLAY, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_GAMEPLAY, true, false, false, false },
{ "narrative", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_NARRATIVE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_NARRATIVE, true, false, false, false },
{ "pacing", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_PACING, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_PACING, true, false, false, false },
{ "perspective", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_PERSPECTIVE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_PERSPECTIVE, true, false, false, false },
{ "setting", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_SETTING, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_SETTING, true, false, false, false },
{ "visual", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_VISUAL, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_VISUAL, true, false, false, false },
{ "vehicular", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_VEHICULAR, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_VEHICULAR, true, false, false, false },
{ "origin", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_ORIGIN, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_ORIGIN, false, false, false, false },
{ "region", MENU_ENUM_LABEL_VALUE_EXPLORE_CATEGORY_REGION, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_REGION, false, false, false, false },
{ "franchise", MENU_ENUM_LABEL_VALUE_RDB_ENTRY_FRANCHISE, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_FRANCHISE, false, false, false, false },
{ "tags", MENU_ENUM_LABEL_VALUE_EXPLORE_CATEGORY_TAG, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_TAG, true, false, false, false },
{ "system", MENU_ENUM_LABEL_VALUE_CORE_INFO_SYSTEM_NAME, MENU_ENUM_LABEL_VALUE_EXPLORE_BY_SYSTEM_NAME, false, false, false, false },
};
/* TODO/FIXME - static global */
static explore_state_t* explore_state;
#if defined(_MSC_VER)
#define EX_ALIGNOF(type) ((int)__alignof(type))
#else
#define EX_ALIGNOF(type) ((int)__alignof__(type))
#endif
#define EX_ARENA_ALIGNMENT 8
#define EX_ARENA_BLOCK_SIZE (64 * 1024)
#define EX_ARENA_ALIGN_UP(n, a) (((n) + (a) - 1) & ~((a) - 1))
static void ex_arena_grow(ex_arena *arena, size_t min_size)
{
size_t size = EX_ARENA_ALIGN_UP(
MAX(min_size, EX_ARENA_BLOCK_SIZE), EX_ARENA_ALIGNMENT);
arena->ptr = (char *)malloc(size);
arena->end = arena->ptr + size;
RBUF_PUSH(arena->blocks, arena->ptr);
}
static void *ex_arena_alloc(ex_arena *arena, size_t size)
{
void *ptr = NULL;
if (size > (size_t)(arena->end - arena->ptr))
ex_arena_grow(arena, size);
ptr = arena->ptr;
arena->ptr = (char *)
EX_ARENA_ALIGN_UP((uintptr_t)(arena->ptr + size), EX_ARENA_ALIGNMENT);
return ptr;
}
static void ex_arena_free(ex_arena *arena)
{
char **it;
for (it = arena->blocks; it != RBUF_END(arena->blocks); it++)
free(*it);
RBUF_FREE(arena->blocks);
arena->ptr = NULL;
arena->end = NULL;
arena->blocks = NULL;
}
/* Hash function */
static uint32_t ex_hash32_nocase_filtered(
const unsigned char* str, size_t len,
unsigned char f_first, unsigned char f_last)
{
const unsigned char *end = NULL;
uint32_t hash = (uint32_t)0x811c9dc5;
for (end = str + len; str != end;)
{
unsigned char c = *(str++);
if (c >= f_first && c <= f_last)
hash = ((hash * (uint32_t)0x01000193)
^ (uint32_t)((c >= 'A' && c <= 'Z')
? (c | 0x20) : c));
}
if (hash)
return hash;
return 1;
}
static int explore_qsort_func_nums(const void *a_, const void *b_)
{
const char *a = (*(const explore_string_t**)a_)->str;
const char *b = (*(const explore_string_t**)b_)->str;
return atoi(a) - atoi(b);
}
static int explore_qsort_func_strings(const void *a_, const void *b_)
{
const char *a = (*(const explore_string_t**)a_)->str;
const char *b = (*(const explore_string_t**)b_)->str;
int a0 = TOLOWER(a[0]), b0 = TOLOWER(b[0]);
return (a0 != b0 ? (a0 - b0) : strcasecmp(a, b));
}
static int explore_qsort_func_entries(const void *a_, const void *b_)
{
const char *a = ((const explore_entry_t*)a_)->playlist_entry->label;
const char *b = ((const explore_entry_t*)b_)->playlist_entry->label;
int a0 = TOLOWER(a[0]), b0 = TOLOWER(b[0]);
if (a0 != b0)
return a0 - b0;
return strcasecmp(a, b);
}
static int explore_qsort_func_menulist(const void *a_, const void *b_)
{
const struct item_file *a = (const struct item_file*)a_;
const struct item_file *b = (const struct item_file*)b_;
if (a->path[0] != b->path[0])
return (unsigned char)a->path[0] - (unsigned char)b->path[0];
return strcasecmp(a->path, b->path);
}
static int explore_check_company_suffix(const char* p, bool search_reverse)
{
int p0, p0_lc, p1, p1_lc, p2, p2_lc;
if (search_reverse)
{
p -= (p[-1] == '.' ? 4 : 3);
if (p[-1] != ' ')
return 0;
}
if (p[0] == '\0' || p[1] == '\0' || p[2] == '\0')
return 0;
p0 = p[0];
p1 = p[1];
p2 = p[2];
p0_lc = TOLOWER(p0);
p1_lc = TOLOWER(p1);
p2_lc = TOLOWER(p2);
if ( (p0_lc == 'i' && p1_lc == 'n' && p2_lc == 'c') /*, Inc */
|| (p0_lc == 'l' && p1_lc == 't' && p2_lc == 'd') /*, Ltd */
|| (p0_lc == 't' && p1_lc == 'h' && p2_lc == 'e') /*, The */
)
return (p[3] == '.' ? 4 : 3);
return 0;
}
static void explore_add_unique_string(
explore_state_t *state,
explore_string_t** maps[EXPLORE_CAT_COUNT], explore_entry_t *e,
unsigned cat, const char *str,
explore_string_t ***split_buf)
{
bool is_company;
const char *p;
const char *p_next;
if (!str || !*str)
{
state->has_unknown[cat] = true;
return;
}
if (!explore_by_info[cat].use_split)
split_buf = NULL;
is_company = explore_by_info[cat].is_company;
for (p = str + 1;; p++)
{
size_t len = 0;
uint32_t hash = 0;
explore_string_t* entry = NULL;
if (*p != '/' && *p != ',' && *p != '|' && *p != '\0')
continue;
if (!split_buf && *p != '\0')
continue;
p_next = p;
while (*str == ' ')
str++;
while (p[-1] == ' ')
p--;
if (p == str)
{
if (*p == '\0')
return;
continue;
}
if (is_company && p - str > 5)
{
p -= explore_check_company_suffix(p, true);
while (p[-1] == ' ')
p--;
}
len = p - str;
hash = ex_hash32_nocase_filtered(
(unsigned char*)str, len, '0', 255);
entry = RHMAP_GET(maps[cat], hash);
if (!entry)
{
entry = (explore_string_t*)
ex_arena_alloc(&state->arena,
sizeof(explore_string_t) + len);
memcpy(entry->str, str, len);
entry->str[len] = '\0';
RBUF_PUSH(state->by[cat], entry);
RHMAP_SET(maps[cat], hash, entry);
}
if (!e->by[cat])
e->by[cat] = entry;
else
RBUF_PUSH(*split_buf, entry);
if (*p_next == '\0')
return;
if (is_company && *p_next == ',')
{
p = p_next + 1;
while (*p == ' ')
p++;
p += explore_check_company_suffix(p, false);
while (*p == ' ')
p++;
if (*p == '\0')
return;
if (*p == '/' || *p == ',' || *p == '|')
p_next = p;
}
p = p_next;
str = p + 1;
}
}
static void explore_unload_icons(explore_state_t *state)
{
unsigned i;
if (!state)
return;
for (i = 0; i != RBUF_LEN(state->icons); i++)
if (state->icons[i])
video_driver_texture_unload(&state->icons[i]);
}
static void explore_load_icons(explore_state_t *state)
{
char path[PATH_MAX_LENGTH];
size_t i, pathlen, system_count;
if (!state)
return;
if ((system_count = RBUF_LEN(state->by[EXPLORE_BY_SYSTEM])) <= 0)
return;
/* unload any icons that could exist from a previous call to this */
explore_unload_icons(state);
/* RBUF_RESIZE leaves memory uninitialised,
have to zero it 'manually' */
RBUF_RESIZE(state->icons, system_count);
memset(state->icons, 0, RBUF_SIZEOF(state->icons));
fill_pathname_application_special(path, sizeof(path),
APPLICATION_SPECIAL_DIRECTORY_ASSETS_SYSICONS);
if (string_is_empty(path))
return;
fill_pathname_slash(path, sizeof(path));
pathlen = strlen(path);
for (i = 0; i != system_count; i++)
{
struct texture_image ti;
size_t _len = pathlen;
_len += strlcpy(path + pathlen,
state->by[EXPLORE_BY_SYSTEM][i]->str,
sizeof(path) - pathlen);
strlcpy(path + _len, ".png", sizeof(path) - _len);
if (!path_is_valid(path))
continue;
ti.width = 0;
ti.height = 0;
ti.pixels = NULL;
ti.supports_rgba = video_driver_supports_rgba();
if (!image_texture_load(&ti, path))
continue;
if (ti.pixels)
video_driver_texture_load(&ti,
TEXTURE_FILTER_MIPMAP_LINEAR, &state->icons[i]);
image_texture_free(&ti);
}
}
explore_state_t *menu_explore_build_list(const char *directory_playlist,
const char *directory_database)
{
unsigned i;
char tmp[PATH_MAX_LENGTH];
struct explore_source
{
const struct playlist_entry *source;
uint32_t entry_index, meta_count;
};
struct explore_rdb
{
libretrodb_t *handle;
struct explore_source *playlist_crcs;
struct explore_source *playlist_names;
size_t count;
char systemname[256];
}
*rdbs = NULL;
int *rdb_indices = NULL;
explore_string_t **cat_maps[EXPLORE_CAT_COUNT] = {NULL};
explore_string_t **split_buf = NULL;
libretro_vfs_implementation_dir *dir = NULL;
explore_state_t *state = (explore_state_t*)calloc(1, sizeof(*state));
if (!state)
return NULL;
state->label_explore_item_str =
msg_hash_to_str(MENU_ENUM_LABEL_EXPLORE_ITEM);
/* Index all playlists */
for (dir = retro_vfs_opendir_impl(directory_playlist, false); dir;)
{
playlist_config_t playlist_config;
size_t j, used_entries = 0;
playlist_t *playlist = NULL;
const char *fext = NULL;
const char *fname = NULL;
uint32_t fhash = 0;
playlist_config.path[0] = '\0';
playlist_config.base_content_directory[0] = '\0';
playlist_config.capacity = 0;
playlist_config.old_format = false;
playlist_config.compress = false;
playlist_config.fuzzy_archive_match = false;
playlist_config.autofix_paths = false;
if (!retro_vfs_readdir_impl(dir))
{
retro_vfs_closedir_impl(dir);
break;
}
fname = retro_vfs_dirent_get_name_impl(dir);
if (fname)
fext = strrchr(fname, '.');
if (!fext || strcasecmp(fext, ".lpl"))
continue;
fill_pathname_join_special(playlist_config.path,
directory_playlist, fname, sizeof(playlist_config.path));
playlist_config.capacity = COLLECTION_SIZE;
playlist = playlist_init(&playlist_config);
fhash = ex_hash32_nocase_filtered(
(unsigned char*)fname, fext - fname, '0', 255);
for (j = 0; j < playlist_size(playlist); j++)
{
int rdb_num;
uint32_t entry_crc32;
struct explore_source src = { NULL, (uint32_t)-1, 0 };
struct explore_rdb* rdb = NULL;
const struct playlist_entry *entry = NULL;
const char *db_name = fname;
const char *db_ext = fext;
uint32_t rdb_hash = fhash;
playlist_get_index(playlist, j, &entry);
/* We also could build label from file name, for now it's required */
if (!entry->label || !*entry->label)
continue;
/* For auto scanned playlists the entry db_name matches the
* lpl file name and we can just use that */
if (entry->db_name && *entry->db_name
&& strcasecmp(entry->db_name, fname))
{
db_name = entry->db_name;
db_ext = strrchr(db_name, '.');
if (!db_ext)
db_ext = db_name + strlen(db_name);
rdb_hash = ex_hash32_nocase_filtered(
(unsigned char*)db_name, db_ext - db_name, '0', 255);
}
rdb_num = RHMAP_GET(rdb_indices, rdb_hash);
if (!rdb_num)
{
size_t systemname_len;
struct explore_rdb newrdb;
char *ext_path = NULL;
newrdb.handle = libretrodb_new();
newrdb.count = 0;
newrdb.playlist_crcs = NULL;
newrdb.playlist_names = NULL;
systemname_len = db_ext - db_name;
if (systemname_len >= sizeof(newrdb.systemname))
systemname_len = sizeof(newrdb.systemname)-1;
memcpy(newrdb.systemname, db_name, systemname_len);
newrdb.systemname[systemname_len] = '\0';
fill_pathname_join_special(
tmp, directory_database, db_name, sizeof(tmp));
/* Replace the extension - change 'lpl' to 'rdb' */
if (( ext_path = path_get_extension_mutable(tmp))
&& ext_path[0] == '.'
&& ext_path[1] == 'l'
&& ext_path[2] == 'p'
&& ext_path[3] == 'l')
{
ext_path[1] = 'r';
ext_path[2] = 'd';
ext_path[3] = 'b';
}
if (libretrodb_open(tmp, newrdb.handle, false) != 0)
{
/* Invalid RDB file */
libretrodb_free(newrdb.handle);
RHMAP_SET(rdb_indices, rdb_hash, -1);
continue;
}
RBUF_PUSH(rdbs, newrdb);
rdb_num = (int)RBUF_LEN(rdbs);
RHMAP_SET(rdb_indices, rdb_hash, rdb_num);
}
if ((uintptr_t)rdb_num == (uintptr_t)-1)
continue;
rdb = &rdbs[rdb_num - 1];
rdb->count++;
entry_crc32 = (uint32_t)strtoul(
(entry->crc32 ? entry->crc32 : ""), NULL, 16);
src.source = entry;
if (entry_crc32)
{
RHMAP_SET(rdb->playlist_crcs, entry_crc32, src);
}
else
{
RHMAP_SET_STR(rdb->playlist_names, entry->label, src);
}
used_entries++;
}
if (used_entries)
RBUF_PUSH(state->playlists, playlist);
else
playlist_free(playlist);
}
/* Loop through all RDBs referenced in the playlists
* and load meta data strings */
for (i = 0; i != RBUF_LEN(rdbs); i++)
{
struct rmsgpack_dom_value item;
struct explore_rdb* rdb = &rdbs[i];
libretrodb_cursor_t *cur = libretrodb_cursor_new();
bool more =
(
libretrodb_cursor_open(rdb->handle, cur, NULL) == 0
&& libretrodb_cursor_read_item(cur, &item) == 0);
for (; more; more = (rmsgpack_dom_value_free(&item),
libretrodb_cursor_read_item(cur, &item) == 0))
{
unsigned k, l, cat;
explore_entry_t* e;
const char *fields[EXPLORE_CAT_COUNT];
char numeric_buf[EXPLORE_CAT_COUNT][16];
uint32_t crc32 = 0;
uint32_t meta_count = 0;
char *name = NULL;
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
char *original_title = NULL;
#endif
struct explore_source* src = NULL;
if (item.type != RDT_MAP)
continue;
for (k = 0; k < EXPLORE_CAT_COUNT; k++)
fields[k] = NULL;
for (k = 0; k < item.val.map.len; k++)
{
const char *key_str = NULL;
struct rmsgpack_dom_value *key = &item.val.map.items[k].key;
struct rmsgpack_dom_value *val = &item.val.map.items[k].value;
if (!key || !val || key->type != RDT_STRING)
continue;
key_str = key->val.string.buff;
if (string_is_equal(key_str, "crc"))
{
switch (val->val.binary.len)
{
case 1:
crc32 = *(uint8_t*)val->val.binary.buff;
break;
case 2:
crc32 = swap_if_little16(*(uint16_t*)val->val.binary.buff);
break;
case 4:
crc32 = swap_if_little32(*(uint32_t*)val->val.binary.buff);
break;
default:
crc32 = 0;
break;
}
continue;
}
else if (string_is_equal(key_str, "name"))
{
name = val->val.string.buff;
continue;
}
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
else if (string_is_equal(key_str, "original_title"))
{
original_title = val->val.string.buff;
continue;
}
#endif
for (cat = 0; cat != EXPLORE_CAT_COUNT; cat++)
{
if (!string_is_equal(key_str, explore_by_info[cat].rdbkey))
continue;
meta_count++;
if (explore_by_info[cat].is_numeric)
{
if (val->type >= RDT_STRING)
break;
snprintf(numeric_buf[cat],
sizeof(numeric_buf[cat]),
"%d", (int)val->val.int_);
fields[cat] = numeric_buf[cat];
break;
}
if (explore_by_info[cat].is_boolean)
{
if (val->type >= RDT_STRING)
break;
fields[cat] = msg_hash_to_str(val->val.int_ ?
MENU_ENUM_LABEL_VALUE_YES : MENU_ENUM_LABEL_VALUE_NO);
break;
}
if (val->type != RDT_STRING)
break;
fields[cat] = val->val.string.buff;
break;
}
}
if (crc32)
{
ptrdiff_t idx = RHMAP_IDX(rdb->playlist_crcs, crc32);
src = (idx != -1 ? &rdb->playlist_crcs[idx] : NULL);
}
if (!src && name)
{
ptrdiff_t idx = RHMAP_IDX_STR(rdb->playlist_names, name);
src = (idx != -1 ? &rdb->playlist_names[idx] : NULL);
}
if (!src)
continue;
if (src->entry_index != (uint32_t)-1 && src->meta_count >= meta_count)
continue;
if (src->entry_index == (uint32_t)-1)
{
src->entry_index = (uint32_t)RBUF_LEN(state->entries);
RBUF_RESIZE(state->entries, src->entry_index + 1);
}
e = &state->entries[src->entry_index];
src->meta_count = meta_count;
e->playlist_entry = src->source;
for (l = 0; l < EXPLORE_CAT_COUNT; l++)
e->by[l] = NULL;
e->split = NULL;
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
e->original_title = NULL;
#endif
fields[EXPLORE_BY_SYSTEM] = rdb->systemname;
for (cat = 0; cat != EXPLORE_CAT_COUNT; cat++)
{
explore_add_unique_string(state,
cat_maps, e, cat,
fields[cat], &split_buf);
}
#ifdef EXPLORE_SHOW_ORIGINAL_TITLE
if (original_title && *original_title)
{
size_t len = strlen(original_title) + 1;
e->original_title = (char*)
ex_arena_alloc(&state->arena, len);
memcpy(e->original_title, original_title, len);
}
#endif
if (RBUF_LEN(split_buf))
{
size_t len;
RBUF_PUSH(split_buf, NULL); /* terminator */
len = RBUF_SIZEOF(split_buf);
e->split = (explore_string_t **)
ex_arena_alloc(&state->arena, len);
memcpy(e->split, split_buf, len);
RBUF_CLEAR(split_buf);
}
/* if all entries have found connections, we can leave early */
if (--rdb->count == 0)
{
rmsgpack_dom_value_free(&item);
break;
}
}
libretrodb_cursor_close(cur);
libretrodb_cursor_free(cur);
libretrodb_close(rdb->handle);
libretrodb_free(rdb->handle);
RHMAP_FREE(rdb->playlist_crcs);
RHMAP_FREE(rdb->playlist_names);
}
RBUF_FREE(split_buf);
RHMAP_FREE(rdb_indices);
RBUF_FREE(rdbs);
for (i = 0; i != EXPLORE_CAT_COUNT; i++)
{
uint32_t idx;
size_t len = RBUF_LEN(state->by[i]);
if (state->by[i])
qsort(state->by[i], len, sizeof(*state->by[i]),
(explore_by_info[i].is_numeric ?
explore_qsort_func_nums : explore_qsort_func_strings));
for (idx = 0; idx != len; idx++)
state->by[i][idx]->idx = idx;
RHMAP_FREE(cat_maps[i]);
}
/* NULL is not a valid value as a first argument for qsort */
if (state->entries)
qsort(state->entries,
RBUF_LEN(state->entries),
sizeof(*state->entries), explore_qsort_func_entries);
return state;
}
static int explore_action_get_title(
const char *path, const char *label,
unsigned menu_type, char *s, size_t len)
{
strlcpy(s, (explore_state ? explore_state->title :
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_EXPLORE_TAB)), len);
return 0;
}
static void explore_append_title(explore_state_t *state,
const char* fmt, ...)
{
va_list ap;
size_t len = strlen(state->title);
va_start(ap, fmt);
vsnprintf(state->title + len,
sizeof(state->title) - len, fmt, ap);
va_end(ap);
}
static int explore_action_sublabel_spacer(
file_list_t *list, unsigned type, unsigned i,
const char *label, const char *path, char *s, size_t len)
{
#ifdef HAVE_OZONE
const char *menu_driver = menu_driver_ident();
/* Only add a blank 'spacer' sublabel when
* using Ozone
* > In XMB/GLUI it upsets the vertical layout
* > In RGUI it does nothing other than
* unnecessarily blank out the fallback
* core title text in the sublabel area */
if (string_is_equal(menu_driver, "ozone"))
{
s[0] = ' ';
s[1] = '\0';
}
#endif
return 1; /* 1 means it'll never change and can be cached */
}
static int explore_action_ok(const char *path, const char *label,
unsigned type, size_t idx, size_t entry_idx)
{
const char* explore_tab = msg_hash_to_str(MENU_ENUM_LABEL_EXPLORE_TAB);
if (type >= EXPLORE_TYPE_FIRSTITEM || type == EXPLORE_TYPE_FILTERNULL)
{
struct menu_state *menu_st = menu_state_get_ptr();
menu_list_t *menu_list = menu_st->entries.list;
file_list_t *menu_stack = MENU_LIST_GET(menu_list, 0);
unsigned prev_type = menu_stack->list[menu_stack->size - 1].type;
unsigned cat = (prev_type - EXPLORE_TYPE_FIRSTCATEGORY);
if (cat < EXPLORE_CAT_COUNT)
{
explore_state_t *state = explore_state;
unsigned lvl, lvl_max = state->view_levels;
for (lvl = 0; lvl != lvl_max; lvl++)
if (state->view_cats[lvl] == cat)
break;
if (lvl == lvl_max)
{
/* new matching filter */
state->view_op[lvl] = EXPLORE_OP_EQUAL;
state->view_use_split[lvl] = explore_by_info[cat].use_split;
state->view_cats[lvl] = cat;
state->view_match[lvl] = (type == EXPLORE_TYPE_FILTERNULL ?
NULL : state->by[cat][type-EXPLORE_TYPE_FIRSTITEM]);
state->view_levels++;
}
else
{
/* switch from match to filter range */
explore_string_t* r1 = state->view_match[lvl];
explore_string_t* r2 = state->by[cat][type-EXPLORE_TYPE_FIRSTITEM];
state->view_op[lvl] = EXPLORE_OP_RANGE;
state->view_idx_min[lvl] = (r1->idx < r2->idx ? r1->idx : r2->idx);
state->view_idx_max[lvl] = (r1->idx < r2->idx ? r2->idx : r1->idx);
}
}
}
filebrowser_clear_type();
return generic_action_ok_displaylist_push(explore_tab,
NULL, explore_tab, type, idx, entry_idx, ACTION_OK_DL_PUSH_DEFAULT);
}
static int explore_cancel(const char *path,
const char *label, unsigned type, size_t idx)
{
struct menu_state *menu_st = menu_state_get_ptr();
menu_list_t *menu_list = menu_st->entries.list;
file_list_t *menu_stack = MENU_LIST_GET(menu_list, 0);
unsigned closed_type = menu_stack->list[menu_stack->size - 1].type;
if (closed_type >= EXPLORE_TYPE_FIRSTITEM ||
closed_type == EXPLORE_TYPE_FILTERNULL)
{
/* popping one filter, check if popping filter range or match */
unsigned prev_type = menu_stack->list[menu_stack->size - 2].type;
unsigned cat = (prev_type - EXPLORE_TYPE_FIRSTCATEGORY);
unsigned lvl, lvl_max = explore_state->view_levels;
for (lvl = 0; lvl != lvl_max; lvl++)
{
if (explore_state->view_cats[lvl] != cat) continue;
if (explore_state->view_op[lvl] == EXPLORE_OP_EQUAL)
explore_state->view_levels--;
else
{
explore_state->view_op[lvl] = EXPLORE_OP_EQUAL;
if (!explore_state->view_match[lvl])
explore_state->view_match[lvl] =
explore_state->by[cat][explore_state->view_idx_min[lvl]];
}
break;
}
}
else if (closed_type == EXPLORE_TYPE_SEARCH)
explore_state->view_search[0] = '\0';
return action_cancel_pop_default(path, label, type, idx);
}
void explore_menu_entry(file_list_t *list, explore_state_t *state,
const char *path, unsigned type, int (*action_ok)(const char *path,
const char *label, unsigned type, size_t idx, size_t entry_idx))
{
menu_file_list_cbs_t *cbs;
if (!menu_entries_append(list, path, state->label_explore_item_str,
MENU_ENUM_LABEL_EXPLORE_ITEM, type, 0, 0, NULL))
return;
cbs = ((menu_file_list_cbs_t*)list->list[list->size-1].actiondata);
if (!cbs)
return;
cbs->action_ok = action_ok;
cbs->action_cancel = explore_cancel;
}
static void explore_action_find_complete(void *userdata, const char *line)
{
menu_input_dialog_end();
if (line && *line)
{
strlcpy(explore_state->view_search, line,
sizeof(explore_state->view_search));
explore_action_ok(NULL, NULL, EXPLORE_TYPE_SEARCH, 0, 0);
}
}
static int explore_action_ok_find(const char *path, const char *label, unsigned type, size_t idx, size_t entry_idx)
{
menu_input_ctx_line_t line;
line.label = msg_hash_to_str(MENU_ENUM_LABEL_VALUE_SEARCH);
line.label_setting = NULL;
line.type = 0;
line.idx = 0;
line.cb = explore_action_find_complete;
menu_input_dialog_start(&line);
return 0;
}
static const char* explore_get_view_path(struct menu_state *menu_st, menu_list_t *menu_list,
file_list_t *menu_stack)
{
struct item_file *cur = (struct item_file *)&menu_stack->list[menu_stack->size - 1];
/* check if we are opening a saved view from the horizontal/tabs menu */
if (cur->type == MENU_SETTING_HORIZONTAL_MENU)
{
const menu_ctx_driver_t *driver_ctx = menu_st->driver_ctx;
if (driver_ctx->list_get_entry)
{