mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-24 19:56:06 +00:00
361 lines
9.0 KiB
C
361 lines
9.0 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
|
|
* Copyright (C) 2011-2015 - Daniel De Matteis
|
|
* Copyright (C) 2013-2014 - Jason Fetters
|
|
*
|
|
* 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 "playlist.h"
|
|
#include <compat/posix_string.h>
|
|
#include <boolean.h>
|
|
#include "retroarch_logger.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
/**
|
|
* content_playlist_get_index:
|
|
* @playlist : Playlist handle.
|
|
* @idx : Index of playlist entry.
|
|
* @path : Path of playlist entry.
|
|
* @core_path : Core path of playlist entry.
|
|
* @core_name : Core name of playlist entry.
|
|
*
|
|
* Gets values of playlist index:
|
|
**/
|
|
void content_playlist_get_index(content_playlist_t *playlist,
|
|
size_t idx,
|
|
const char **path, const char **label,
|
|
const char **core_path, const char **core_name,
|
|
const char **crc32)
|
|
{
|
|
if (!playlist)
|
|
return;
|
|
|
|
if (path)
|
|
*path = playlist->entries[idx].path;
|
|
if (label)
|
|
*label = playlist->entries[idx].label;
|
|
if (core_path)
|
|
*core_path = playlist->entries[idx].core_path;
|
|
if (core_name)
|
|
*core_name = playlist->entries[idx].core_name;
|
|
if (crc32)
|
|
*crc32 = playlist->entries[idx].crc32;
|
|
}
|
|
|
|
void content_playlist_get_index_by_path(content_playlist_t *playlist,
|
|
const char *search_path,
|
|
char **path, char **label,
|
|
char **core_path, char **core_name,
|
|
char **crc32)
|
|
{
|
|
size_t i;
|
|
if (!playlist)
|
|
return;
|
|
|
|
for (i = 0; i < playlist->size; i++)
|
|
{
|
|
if (strcmp(playlist->entries[i].path, search_path) != 0)
|
|
continue;
|
|
|
|
if (path)
|
|
*path = playlist->entries[i].path;
|
|
if (label)
|
|
*label = playlist->entries[i].label;
|
|
if (core_path)
|
|
*core_path = playlist->entries[i].core_path;
|
|
if (core_name)
|
|
*core_name = playlist->entries[i].core_name;
|
|
if (crc32)
|
|
*crc32 = playlist->entries[i].crc32;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* content_playlist_free_entry:
|
|
* @entry : Playlist entry handle.
|
|
*
|
|
* Frees playlist entry.
|
|
**/
|
|
static void content_playlist_free_entry(content_playlist_entry_t *entry)
|
|
{
|
|
if (!entry)
|
|
return;
|
|
|
|
if (entry->path)
|
|
free(entry->path);
|
|
entry->path = NULL;
|
|
|
|
if (entry->label)
|
|
free(entry->label);
|
|
entry->label = NULL;
|
|
|
|
if (entry->core_path)
|
|
free(entry->core_path);
|
|
entry->core_path = NULL;
|
|
|
|
if (entry->core_name)
|
|
free(entry->core_name);
|
|
entry->core_name = NULL;
|
|
|
|
if (entry->crc32)
|
|
free(entry->crc32);
|
|
entry->crc32 = NULL;
|
|
|
|
memset(entry, 0, sizeof(*entry));
|
|
}
|
|
|
|
/**
|
|
* content_playlist_push:
|
|
* @playlist : Playlist handle.
|
|
* @path : Path of new playlist entry.
|
|
* @core_path : Core path of new playlist entry.
|
|
* @core_name : Core name of new playlist entry.
|
|
*
|
|
* Push entry to top of playlist.
|
|
**/
|
|
void content_playlist_push(content_playlist_t *playlist,
|
|
const char *path, const char *label,
|
|
const char *core_path, const char *core_name,
|
|
const char *crc32)
|
|
{
|
|
size_t i;
|
|
|
|
if (!playlist)
|
|
return;
|
|
|
|
if (!core_path || !*core_path || !core_name || !*core_name)
|
|
{
|
|
RARCH_ERR("cannot push NULL or empty core info into the playlist.\n");
|
|
return;
|
|
}
|
|
|
|
if (path && !*path)
|
|
path = NULL;
|
|
|
|
for (i = 0; i < playlist->size; i++)
|
|
{
|
|
content_playlist_entry_t tmp;
|
|
bool equal_path = (!path && !playlist->entries[i].path) ||
|
|
(path && playlist->entries[i].path &&
|
|
!strcmp(path,playlist->entries[i].path));
|
|
|
|
/* Core name can have changed while still being the same core.
|
|
* Differentiate based on the core path only. */
|
|
if (!equal_path)
|
|
continue;
|
|
|
|
if (strcmp(playlist->entries[i].core_path, core_path))
|
|
continue;
|
|
|
|
/* If top entry, we don't want to push a new entry since
|
|
* the top and the entry to be pushed are the same. */
|
|
if (i == 0)
|
|
return;
|
|
|
|
/* Seen it before, bump to top. */
|
|
tmp = playlist->entries[i];
|
|
memmove(playlist->entries + 1, playlist->entries,
|
|
i * sizeof(content_playlist_entry_t));
|
|
playlist->entries[0] = tmp;
|
|
|
|
return;
|
|
}
|
|
|
|
if (playlist->size == playlist->cap)
|
|
{
|
|
content_playlist_free_entry(&playlist->entries[playlist->cap - 1]);
|
|
playlist->size--;
|
|
}
|
|
|
|
memmove(playlist->entries + 1, playlist->entries,
|
|
(playlist->cap - 1) * sizeof(content_playlist_entry_t));
|
|
|
|
playlist->entries[0].path = path ? strdup(path) : NULL;
|
|
playlist->entries[0].label = label ? strdup(label) : NULL;
|
|
playlist->entries[0].core_path = strdup(core_path);
|
|
playlist->entries[0].core_name = strdup(core_name);
|
|
playlist->entries[0].crc32 = crc32 ? strdup(crc32) : NULL;
|
|
playlist->size++;
|
|
}
|
|
|
|
void content_playlist_write_file(content_playlist_t *playlist)
|
|
{
|
|
size_t i;
|
|
FILE *file = NULL;
|
|
|
|
if (!playlist)
|
|
return;
|
|
|
|
file = fopen(playlist->conf_path, "w");
|
|
|
|
if (!file)
|
|
return;
|
|
|
|
for (i = 0; i < playlist->size; i++)
|
|
fprintf(file, "%s\n%s\n%s\n%s\n%s\n",
|
|
playlist->entries[i].path ? playlist->entries[i].path : "",
|
|
playlist->entries[i].label ? playlist->entries[i].label : "",
|
|
playlist->entries[i].core_path,
|
|
playlist->entries[i].core_name,
|
|
playlist->entries[i].crc32 ? playlist->entries[i].crc32 : "");
|
|
|
|
fclose(file);
|
|
}
|
|
|
|
/**
|
|
* content_playlist_free:
|
|
* @playlist : Playlist handle.
|
|
*
|
|
* Frees playlist handle.
|
|
*/
|
|
void content_playlist_free(content_playlist_t *playlist)
|
|
{
|
|
size_t i;
|
|
|
|
if (!playlist)
|
|
return;
|
|
|
|
if (playlist->conf_path)
|
|
content_playlist_write_file(playlist);
|
|
free(playlist->conf_path);
|
|
|
|
for (i = 0; i < playlist->cap; i++)
|
|
content_playlist_free_entry(&playlist->entries[i]);
|
|
free(playlist->entries);
|
|
|
|
free(playlist);
|
|
}
|
|
|
|
/**
|
|
* content_playlist_clear:
|
|
* @playlist : Playlist handle.
|
|
*
|
|
* Clears all playlist entries in playlist.
|
|
**/
|
|
void content_playlist_clear(content_playlist_t *playlist)
|
|
{
|
|
size_t i;
|
|
if (!playlist)
|
|
return;
|
|
|
|
for (i = 0; i < playlist->cap; i++)
|
|
content_playlist_free_entry(&playlist->entries[i]);
|
|
playlist->size = 0;
|
|
}
|
|
|
|
/**
|
|
* content_playlist_size:
|
|
* @playlist : Playlist handle.
|
|
*
|
|
* Gets size of playlist.
|
|
* Returns: size of playlist.
|
|
**/
|
|
size_t content_playlist_size(content_playlist_t *playlist)
|
|
{
|
|
if (!playlist)
|
|
return 0;
|
|
return playlist->size;
|
|
}
|
|
|
|
#ifndef PLAYLIST_ENTRIES
|
|
#define PLAYLIST_ENTRIES 5
|
|
#endif
|
|
|
|
static bool content_playlist_read_file(
|
|
content_playlist_t *playlist, const char *path)
|
|
{
|
|
char buf[PLAYLIST_ENTRIES][1024];
|
|
unsigned i;
|
|
content_playlist_entry_t *entry = NULL;
|
|
char *last = NULL;
|
|
FILE *file = fopen(path, "r");
|
|
|
|
/* If playlist file does not exist,
|
|
* create an empty playlist instead.
|
|
*/
|
|
if (!file)
|
|
return true;
|
|
|
|
for (playlist->size = 0; playlist->size < playlist->cap; )
|
|
{
|
|
for (i = 0; i < PLAYLIST_ENTRIES; i++)
|
|
{
|
|
*buf[i] = '\0';
|
|
|
|
if (!fgets(buf[i], sizeof(buf[i]), file))
|
|
goto end;
|
|
|
|
last = strrchr(buf[i], '\n');
|
|
if (last)
|
|
*last = '\0';
|
|
}
|
|
|
|
entry = &playlist->entries[playlist->size];
|
|
|
|
if (!*buf[2] || !*buf[3])
|
|
continue;
|
|
|
|
if (*buf[0])
|
|
entry->path = strdup(buf[0]);
|
|
if (*buf[1])
|
|
entry->label = strdup(buf[1]);
|
|
entry->core_path = strdup(buf[2]);
|
|
entry->core_name = strdup(buf[3]);
|
|
if (*buf[4])
|
|
entry->crc32 = strdup(buf[4]);
|
|
playlist->size++;
|
|
}
|
|
|
|
end:
|
|
fclose(file);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* content_playlist_init:
|
|
* @path : Path to playlist contents file.
|
|
* @size : Maximum capacity of playlist size.
|
|
*
|
|
* Creates and initializes a playlist.
|
|
*
|
|
* Returns: handle to new playlist if successful, otherwise NULL
|
|
**/
|
|
content_playlist_t *content_playlist_init(const char *path, size_t size)
|
|
{
|
|
content_playlist_t *playlist = (content_playlist_t*)
|
|
calloc(1, sizeof(*playlist));
|
|
if (!playlist)
|
|
return NULL;
|
|
|
|
playlist->entries = (content_playlist_entry_t*)calloc(size,
|
|
sizeof(*playlist->entries));
|
|
if (!playlist->entries)
|
|
goto error;
|
|
|
|
playlist->cap = size;
|
|
|
|
content_playlist_read_file(playlist, path);
|
|
|
|
playlist->conf_path = strdup(path);
|
|
return playlist;
|
|
|
|
error:
|
|
content_playlist_free(playlist);
|
|
return NULL;
|
|
}
|