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RetroArch/playlist.c
Francisco José García García 51922ea5be Squashed 'deps/vitaGL/' changes from c816fec50f..2934af8af0 
2934af8af0 Added Patreon sponsor link.
c8f18b6f0f Getting current program only when required for vglDrawObjects.
4c5d136b0d Added directive to enable vitaShaRK usage from cmd.
4a10df3be5 Minor adjustments and bugfixes.
14a0124acf Added GL_TEXTURE_LOD_BIAS support.
40c8c6205e Added GL_NONE def and fixed glUniform4f impl.
868079c51e Added glUniform4f implementation.
0a682cbad2 Typo fix.
be3ce61ae7 Added GL_DEPTH_BITS and GL_STENCIL_BITS support.
21e6d1d330 Added runtime shader compiler support.
696e40bc62 Beautify error handler code.
537b37b110 Added glUniform3fv implementation.
7dd1403015 Fixed GLenum size and added missing types defines.
0c75f27ff1 Moved to NEON optimized memcpy usage.
98951895de Added gluPerspective implementation.
23e0b0b309 Fix for vglInitExtended not working on sys app mode.
4989c33ef5 Run clang-format.
429f1c1d8a Added system mode support.
9231680d02 Initializing sceGxm before free mem checking on vglInitExtended.
091e5e7882 Added vglInitWithCustomSizes.
f4c646ea78 Added vglSetParamBufferSize.
1b9a063c41 Beautify some code.
089e81efc5 Fix for duplicated symbols
789dcbf812 Typo fix in readRGBA4444.
1514a4b2cb Disabling lto due to it being broken on vitasdk with gcc 9.1.
fca18d9ab7 Added support for RGBA4444 texture format.
d449f12808 Added support for RGB565 texture format.

git-subtree-dir: deps/vitaGL
git-subtree-split: 2934af8af083a9acf598ab75233c518a251c6f0d
2020-07-05 11:43:47 +02:00

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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 <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <libretro.h>
#include <boolean.h>
#include <retro_assert.h>
#include <retro_miscellaneous.h>
#include <compat/posix_string.h>
#include <string/stdstring.h>
#include <streams/interface_stream.h>
#include <file/file_path.h>
#include <lists/string_list.h>
#include <formats/jsonsax_full.h>
#include "playlist.h"
#include "verbosity.h"
#include "file_path_special.h"
#ifndef PLAYLIST_ENTRIES
#define PLAYLIST_ENTRIES 6
#endif
struct content_playlist
{
bool modified;
bool old_format;
bool compressed;
enum playlist_label_display_mode label_display_mode;
enum playlist_thumbnail_mode right_thumbnail_mode;
enum playlist_thumbnail_mode left_thumbnail_mode;
enum playlist_sort_mode sort_mode;
size_t size;
char *default_core_path;
char *default_core_name;
struct playlist_entry *entries;
playlist_config_t config;
};
typedef struct
{
bool in_items;
bool in_subsystem_roms;
bool capacity_exceeded;
unsigned array_depth;
unsigned object_depth;
JSON_Parser parser;
JSON_Writer writer;
intfstream_t *file;
playlist_t *playlist;
struct playlist_entry *current_entry;
char *current_meta_string;
char *current_items_string;
char **current_entry_val;
char **current_meta_val;
int *current_entry_int_val;
unsigned *current_entry_uint_val;
struct string_list **current_entry_string_list_val;
enum playlist_label_display_mode *current_meta_label_display_mode_val;
enum playlist_thumbnail_mode *current_meta_thumbnail_mode_val;
enum playlist_sort_mode *current_meta_sort_mode_val;
} JSONContext;
/* TODO/FIXME - global state - perhaps move outside this file */
static playlist_t *playlist_cached = NULL;
typedef int (playlist_sort_fun_t)(
const struct playlist_entry *a,
const struct playlist_entry *b);
/* Convenience function: copies specified playlist
* path to specified playlist configuration object */
void playlist_config_set_path(playlist_config_t *config, const char *path)
{
if (!config)
return;
if (string_is_empty(path))
config->path[0] = '\0';
else
strlcpy(config->path, path, sizeof(config->path));
}
/* Creates a copy of the specified playlist configuration.
* Returns false in the event of an error */
bool playlist_config_copy(const playlist_config_t *src, playlist_config_t *dst)
{
if (!src || !dst)
return false;
strlcpy(dst->path, src->path, sizeof(dst->path));
dst->capacity = src->capacity;
dst->old_format = src->old_format;
dst->compress = src->compress;
dst->fuzzy_archive_match = src->fuzzy_archive_match;
return true;
}
/* Returns internal playlist configuration object
* of specified playlist.
* Returns NULL it the event of an error. */
playlist_config_t *playlist_get_config(playlist_t *playlist)
{
if (!playlist)
return NULL;
return &playlist->config;
}
/**
* playlist_path_equal:
* @real_path : 'Real' search path, generated by path_resolve_realpath()
* @entry_path : Existing playlist entry 'path' value
*
* Returns 'true' if real_path matches entry_path
* (Taking into account relative paths, case insensitive
* filesystems, 'incomplete' archive paths)
**/
static bool playlist_path_equal(const char *real_path,
const char *entry_path, const playlist_config_t *config)
{
bool real_path_is_compressed;
bool entry_real_path_is_compressed;
char entry_real_path[PATH_MAX_LENGTH];
entry_real_path[0] = '\0';
/* Sanity check */
if (string_is_empty(real_path) ||
string_is_empty(entry_path) ||
!config)
return false;
/* Get entry 'real' path */
strlcpy(entry_real_path, entry_path, sizeof(entry_real_path));
path_resolve_realpath(entry_real_path, sizeof(entry_real_path), true);
if (string_is_empty(entry_real_path))
return false;
/* First pass comparison */
#ifdef _WIN32
/* Handle case-insensitive operating systems*/
if (string_is_equal_noncase(real_path, entry_real_path))
return true;
#else
if (string_is_equal(real_path, entry_real_path))
return true;
#endif
#ifdef RARCH_INTERNAL
/* If fuzzy matching is disabled, we can give up now */
if (!config->fuzzy_archive_match)
return false;
#endif
/* If we reach this point, we have to work
* harder...
* Need to handle a rather awkward archive file
* case where:
* - playlist path contains a properly formatted
* [archive_path][delimiter][rom_file]
* - search path is just [archive_path]
* ...or vice versa.
* This pretty much always happens when a playlist
* is generated via scan content (which handles the
* archive paths correctly), but the user subsequently
* loads an archive file via the command line or some
* external launcher (where the [delimiter][rom_file]
* part is almost always omitted) */
real_path_is_compressed = path_is_compressed_file(real_path);
entry_real_path_is_compressed = path_is_compressed_file(entry_real_path);
if ((real_path_is_compressed && !entry_real_path_is_compressed) ||
(!real_path_is_compressed && entry_real_path_is_compressed))
{
const char *compressed_path_a = real_path_is_compressed ? real_path : entry_real_path;
const char *full_path = real_path_is_compressed ? entry_real_path : real_path;
const char *delim = path_get_archive_delim(full_path);
if (delim)
{
char compressed_path_b[PATH_MAX_LENGTH] = {0};
unsigned len = (unsigned)(1 + delim - full_path);
strlcpy(compressed_path_b, full_path,
(len < PATH_MAX_LENGTH ? len : PATH_MAX_LENGTH) * sizeof(char));
#ifdef _WIN32
/* Handle case-insensitive operating systems*/
if (string_is_equal_noncase(compressed_path_a, compressed_path_b))
return true;
#else
if (string_is_equal(compressed_path_a, compressed_path_b))
return true;
#endif
}
}
return false;
}
/**
* playlist_core_path_equal:
* @real_core_path : 'Real' search path, generated by path_resolve_realpath()
* @entry_core_path : Existing playlist entry 'core path' value
*
* Returns 'true' if real_core_path matches entry_core_path
* (Taking into account relative paths, case insensitive
* filesystems)
**/
static bool playlist_core_path_equal(const char *real_core_path, const char *entry_core_path)
{
char entry_real_core_path[PATH_MAX_LENGTH];
entry_real_core_path[0] = '\0';
/* Sanity check */
if (string_is_empty(real_core_path) || string_is_empty(entry_core_path))
return false;
/* Get entry 'real' core path */
strlcpy(entry_real_core_path, entry_core_path, sizeof(entry_real_core_path));
if (!string_is_equal(entry_real_core_path, "DETECT") &&
!string_is_equal(entry_real_core_path, "builtin"))
path_resolve_realpath(entry_real_core_path, sizeof(entry_real_core_path), true);
if (string_is_empty(entry_real_core_path))
return false;
#ifdef _WIN32
/* Handle case-insensitive operating systems*/
if (string_is_equal_noncase(real_core_path, entry_real_core_path))
return true;
#else
if (string_is_equal(real_core_path, entry_real_core_path))
return true;
#endif
return false;
}
uint32_t playlist_get_size(playlist_t *playlist)
{
if (!playlist)
return 0;
return (uint32_t)playlist->size;
}
char *playlist_get_conf_path(playlist_t *playlist)
{
if (!playlist)
return NULL;
return playlist->config.path;
}
/**
* 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 playlist_get_index(playlist_t *playlist,
size_t idx,
const struct playlist_entry **entry)
{
if (!playlist || !entry)
return;
*entry = &playlist->entries[idx];
}
/**
* playlist_free_entry:
* @entry : Playlist entry handle.
*
* Frees playlist entry.
**/
static void playlist_free_entry(struct playlist_entry *entry)
{
if (!entry)
return;
if (entry->path != NULL)
free(entry->path);
if (entry->label != NULL)
free(entry->label);
if (entry->core_path != NULL)
free(entry->core_path);
if (entry->core_name != NULL)
free(entry->core_name);
if (entry->db_name != NULL)
free(entry->db_name);
if (entry->crc32 != NULL)
free(entry->crc32);
if (entry->subsystem_ident != NULL)
free(entry->subsystem_ident);
if (entry->subsystem_name != NULL)
free(entry->subsystem_name);
if (entry->runtime_str != NULL)
free(entry->runtime_str);
if (entry->last_played_str != NULL)
free(entry->last_played_str);
if (entry->subsystem_roms != NULL)
string_list_free(entry->subsystem_roms);
entry->path = NULL;
entry->label = NULL;
entry->core_path = NULL;
entry->core_name = NULL;
entry->db_name = NULL;
entry->crc32 = NULL;
entry->subsystem_ident = NULL;
entry->subsystem_name = NULL;
entry->runtime_str = NULL;
entry->last_played_str = NULL;
entry->subsystem_roms = NULL;
entry->runtime_status = PLAYLIST_RUNTIME_UNKNOWN;
entry->runtime_hours = 0;
entry->runtime_minutes = 0;
entry->runtime_seconds = 0;
entry->last_played_year = 0;
entry->last_played_month = 0;
entry->last_played_day = 0;
entry->last_played_hour = 0;
entry->last_played_minute = 0;
entry->last_played_second = 0;
}
/**
* playlist_delete_index:
* @playlist : Playlist handle.
* @idx : Index of playlist entry.
*
* Delete the entry at the index:
**/
void playlist_delete_index(playlist_t *playlist,
size_t idx)
{
struct playlist_entry *entry_to_delete = NULL;
if (!playlist)
return;
if (idx >= playlist->size)
return;
playlist->size = playlist->size - 1;
/* Free unwanted entry */
entry_to_delete = (struct playlist_entry *)(playlist->entries + idx);
if (entry_to_delete)
playlist_free_entry(entry_to_delete);
/* Shift remaining entries to fill the gap */
memmove(playlist->entries + idx, playlist->entries + idx + 1,
(playlist->size - idx) * sizeof(struct playlist_entry));
playlist->modified = true;
}
/**
* playlist_delete_by_path:
* @playlist : Playlist handle.
* @search_path : Content path.
*
* Deletes all entries with content path
* matching 'search_path'
**/
void playlist_delete_by_path(playlist_t *playlist,
const char *search_path)
{
size_t i = 0;
char real_search_path[PATH_MAX_LENGTH];
real_search_path[0] = '\0';
if (!playlist || string_is_empty(search_path))
return;
/* Get 'real' search path */
strlcpy(real_search_path, search_path, sizeof(real_search_path));
path_resolve_realpath(real_search_path, sizeof(real_search_path), true);
while (i < playlist->size)
{
if (!playlist_path_equal(real_search_path, playlist->entries[i].path,
&playlist->config))
{
i++;
continue;
}
/* Paths are equal - delete entry */
playlist_delete_index(playlist, i);
/* Entries are shifted up by the delete
* operation - *do not* increment i */
}
}
void playlist_get_index_by_path(playlist_t *playlist,
const char *search_path,
const struct playlist_entry **entry)
{
size_t i;
char real_search_path[PATH_MAX_LENGTH];
real_search_path[0] = '\0';
if (!playlist || !entry || string_is_empty(search_path))
return;
/* Get 'real' search path */
strlcpy(real_search_path, search_path, sizeof(real_search_path));
path_resolve_realpath(real_search_path, sizeof(real_search_path), true);
for (i = 0; i < playlist->size; i++)
{
if (!playlist_path_equal(real_search_path, playlist->entries[i].path,
&playlist->config))
continue;
*entry = &playlist->entries[i];
break;
}
}
bool playlist_entry_exists(playlist_t *playlist,
const char *path)
{
size_t i;
char real_search_path[PATH_MAX_LENGTH];
real_search_path[0] = '\0';
if (!playlist || string_is_empty(path))
return false;
/* Get 'real' search path */
strlcpy(real_search_path, path, sizeof(real_search_path));
path_resolve_realpath(real_search_path, sizeof(real_search_path), true);
for (i = 0; i < playlist->size; i++)
if (playlist_path_equal(real_search_path, playlist->entries[i].path,
&playlist->config))
return true;
return false;
}
void playlist_update(playlist_t *playlist, size_t idx,
const struct playlist_entry *update_entry)
{
struct playlist_entry *entry = NULL;
if (!playlist || idx > playlist->size)
return;
entry = &playlist->entries[idx];
if (update_entry->path && (update_entry->path != entry->path))
{
if (entry->path != NULL)
free(entry->path);
entry->path = strdup(update_entry->path);
playlist->modified = true;
}
if (update_entry->label && (update_entry->label != entry->label))
{
if (entry->label != NULL)
free(entry->label);
entry->label = strdup(update_entry->label);
playlist->modified = true;
}
if (update_entry->core_path && (update_entry->core_path != entry->core_path))
{
if (entry->core_path != NULL)
free(entry->core_path);
entry->core_path = NULL;
entry->core_path = strdup(update_entry->core_path);
playlist->modified = true;
}
if (update_entry->core_name && (update_entry->core_name != entry->core_name))
{
if (entry->core_name != NULL)
free(entry->core_name);
entry->core_name = strdup(update_entry->core_name);
playlist->modified = true;
}
if (update_entry->db_name && (update_entry->db_name != entry->db_name))
{
if (entry->db_name != NULL)
free(entry->db_name);
entry->db_name = strdup(update_entry->db_name);
playlist->modified = true;
}
if (update_entry->crc32 && (update_entry->crc32 != entry->crc32))
{
if (entry->crc32 != NULL)
free(entry->crc32);
entry->crc32 = strdup(update_entry->crc32);
playlist->modified = true;
}
}
void playlist_update_runtime(playlist_t *playlist, size_t idx,
const struct playlist_entry *update_entry,
bool register_update)
{
struct playlist_entry *entry = NULL;
if (!playlist || idx > playlist->size)
return;
entry = &playlist->entries[idx];
if (update_entry->path && (update_entry->path != entry->path))
{
if (entry->path != NULL)
free(entry->path);
entry->path = NULL;
entry->path = strdup(update_entry->path);
playlist->modified = playlist->modified || register_update;
}
if (update_entry->core_path && (update_entry->core_path != entry->core_path))
{
if (entry->core_path != NULL)
free(entry->core_path);
entry->core_path = NULL;
entry->core_path = strdup(update_entry->core_path);
playlist->modified = playlist->modified || register_update;
}
if (update_entry->runtime_status != entry->runtime_status)
{
entry->runtime_status = update_entry->runtime_status;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->runtime_hours != entry->runtime_hours)
{
entry->runtime_hours = update_entry->runtime_hours;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->runtime_minutes != entry->runtime_minutes)
{
entry->runtime_minutes = update_entry->runtime_minutes;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->runtime_seconds != entry->runtime_seconds)
{
entry->runtime_seconds = update_entry->runtime_seconds;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->last_played_year != entry->last_played_year)
{
entry->last_played_year = update_entry->last_played_year;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->last_played_month != entry->last_played_month)
{
entry->last_played_month = update_entry->last_played_month;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->last_played_day != entry->last_played_day)
{
entry->last_played_day = update_entry->last_played_day;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->last_played_hour != entry->last_played_hour)
{
entry->last_played_hour = update_entry->last_played_hour;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->last_played_minute != entry->last_played_minute)
{
entry->last_played_minute = update_entry->last_played_minute;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->last_played_second != entry->last_played_second)
{
entry->last_played_second = update_entry->last_played_second;
playlist->modified = playlist->modified || register_update;
}
if (update_entry->runtime_str && (update_entry->runtime_str != entry->runtime_str))
{
if (entry->runtime_str != NULL)
free(entry->runtime_str);
entry->runtime_str = NULL;
entry->runtime_str = strdup(update_entry->runtime_str);
playlist->modified = playlist->modified || register_update;
}
if (update_entry->last_played_str && (update_entry->last_played_str != entry->last_played_str))
{
if (entry->last_played_str != NULL)
free(entry->last_played_str);
entry->last_played_str = NULL;
entry->last_played_str = strdup(update_entry->last_played_str);
playlist->modified = playlist->modified || register_update;
}
}
bool playlist_push_runtime(playlist_t *playlist,
const struct playlist_entry *entry)
{
size_t i;
char real_path[PATH_MAX_LENGTH];
char real_core_path[PATH_MAX_LENGTH];
real_path[0] = '\0';
real_core_path[0] = '\0';
if (!playlist || !entry)
return false;
if (string_is_empty(entry->core_path))
{
RARCH_ERR("cannot push NULL or empty core path into the playlist.\n");
return false;
}
/* Get 'real' path */
if (!string_is_empty(entry->path))
{
strlcpy(real_path, entry->path, sizeof(real_path));
path_resolve_realpath(real_path, sizeof(real_path), true);
}
/* Get 'real' core path */
strlcpy(real_core_path, entry->core_path, sizeof(real_core_path));
if (!string_is_equal(real_core_path, "DETECT") &&
!string_is_equal(real_core_path, "builtin"))
path_resolve_realpath(real_core_path, sizeof(real_core_path), true);
if (string_is_empty(real_core_path))
{
RARCH_ERR("cannot push NULL or empty core path into the playlist.\n");
return false;
}
for (i = 0; i < playlist->size; i++)
{
struct playlist_entry tmp;
const char *entry_path = playlist->entries[i].path;
bool equal_path =
(string_is_empty(real_path) && string_is_empty(entry_path)) ||
playlist_path_equal(real_path, entry_path, &playlist->config);
/* Core name can have changed while still being the same core.
* Differentiate based on the core path only. */
if (!equal_path)
continue;
if (!playlist_core_path_equal(real_core_path, playlist->entries[i].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 false;
/* Seen it before, bump to top. */
tmp = playlist->entries[i];
memmove(playlist->entries + 1, playlist->entries,
i * sizeof(struct playlist_entry));
playlist->entries[0] = tmp;
goto success;
}
if (playlist->size == playlist->config.capacity)
{
struct playlist_entry *last_entry = &playlist->entries[playlist->config.capacity - 1];
if (last_entry)
playlist_free_entry(last_entry);
playlist->size--;
}
if (playlist->entries)
{
memmove(playlist->entries + 1, playlist->entries,
(playlist->config.capacity - 1) * sizeof(struct playlist_entry));
playlist->entries[0].path = NULL;
playlist->entries[0].core_path = NULL;
if (!string_is_empty(real_path))
playlist->entries[0].path = strdup(real_path);
if (!string_is_empty(real_core_path))
playlist->entries[0].core_path = strdup(real_core_path);
playlist->entries[0].runtime_status = entry->runtime_status;
playlist->entries[0].runtime_hours = entry->runtime_hours;
playlist->entries[0].runtime_minutes = entry->runtime_minutes;
playlist->entries[0].runtime_seconds = entry->runtime_seconds;
playlist->entries[0].last_played_year = entry->last_played_year;
playlist->entries[0].last_played_month = entry->last_played_month;
playlist->entries[0].last_played_day = entry->last_played_day;
playlist->entries[0].last_played_hour = entry->last_played_hour;
playlist->entries[0].last_played_minute = entry->last_played_minute;
playlist->entries[0].last_played_second = entry->last_played_second;
playlist->entries[0].runtime_str = NULL;
playlist->entries[0].last_played_str = NULL;
if (!string_is_empty(entry->runtime_str))
playlist->entries[0].runtime_str = strdup(entry->runtime_str);
if (!string_is_empty(entry->last_played_str))
playlist->entries[0].last_played_str = strdup(entry->last_played_str);
}
playlist->size++;
success:
playlist->modified = true;
return true;
}
/**
* playlist_resolve_path:
* @mode : PLAYLIST_LOAD or PLAYLIST_SAVE
* @path : The path to be modified
*
* Resolves the path of an item, such as the content path or path to the core, to a format
* appropriate for saving or loading depending on the @mode parameter
*
* Can be platform specific. File paths for saving can be abbreviated to avoid saving absolute
* paths, as the base directory (home or application dir) may change after each subsequent
* install (iOS)
**/
void playlist_resolve_path(enum playlist_file_mode mode,
char *path, size_t len)
{
#ifdef HAVE_COCOATOUCH
char tmp[PATH_MAX_LENGTH];
if (mode == PLAYLIST_LOAD)
{
fill_pathname_expand_special(tmp, path, sizeof(tmp));
strlcpy(path, tmp, len);
}
else
{
/* iOS needs to call realpath here since the call
* above fails due to possibly buffer related issues.
* Try to expand the path to ensure that it gets saved
* correctly. The path can be abbreviated if saving to
* a playlist from another playlist (ex: content history to favorites)
*/
char tmp2[PATH_MAX_LENGTH];
fill_pathname_expand_special(tmp, path, sizeof(tmp));
realpath(tmp, tmp2);
fill_pathname_abbreviate_special(path, tmp2, len);
}
#else
if (mode == PLAYLIST_LOAD)
return;
path_resolve_realpath(path, len, true);
#endif
}
/**
* playlist_push:
* @playlist : Playlist handle.
*
* Push entry to top of playlist.
**/
bool playlist_push(playlist_t *playlist,
const struct playlist_entry *entry)
{
size_t i;
char real_path[PATH_MAX_LENGTH];
char real_core_path[PATH_MAX_LENGTH];
const char *core_name = entry->core_name;
bool entry_updated = false;
real_path[0] = '\0';
real_core_path[0] = '\0';
if (!playlist || !entry)
return false;
if (string_is_empty(entry->core_path))
{
RARCH_ERR("cannot push NULL or empty core path into the playlist.\n");
return false;
}
/* Get 'real' path */
if (!string_is_empty(entry->path))
{
strlcpy(real_path, entry->path, sizeof(real_path));
playlist_resolve_path(PLAYLIST_SAVE, real_path, sizeof(real_path));
}
/* Get 'real' core path */
strlcpy(real_core_path, entry->core_path, sizeof(real_core_path));
if (!string_is_equal(real_core_path, "DETECT") &&
!string_is_equal(real_core_path, "builtin"))
playlist_resolve_path(PLAYLIST_SAVE, real_core_path, sizeof(real_core_path));
if (string_is_empty(real_core_path))
{
RARCH_ERR("cannot push NULL or empty core path into the playlist.\n");
return false;
}
if (string_is_empty(core_name))
{
static char base_path[255] = {0};
fill_pathname_base_noext(base_path, real_core_path, sizeof(base_path));
core_name = base_path;
if (string_is_empty(core_name))
{
RARCH_ERR("cannot push NULL or empty core name into the playlist.\n");
return false;
}
}
for (i = 0; i < playlist->size; i++)
{
struct playlist_entry tmp;
const char *entry_path = playlist->entries[i].path;
bool equal_path =
(string_is_empty(real_path) && string_is_empty(entry_path)) ||
playlist_path_equal(real_path, entry_path, &playlist->config);
/* Core name can have changed while still being the same core.
* Differentiate based on the core path only. */
if (!equal_path)
continue;
if (!playlist_core_path_equal(real_core_path, playlist->entries[i].core_path))
continue;
if ( !string_is_empty(entry->subsystem_ident)
&& !string_is_empty(playlist->entries[i].subsystem_ident)
&& !string_is_equal(playlist->entries[i].subsystem_ident, entry->subsystem_ident))
continue;
if ( string_is_empty(entry->subsystem_ident)
&& !string_is_empty(playlist->entries[i].subsystem_ident))
continue;
if ( !string_is_empty(entry->subsystem_ident)
&& string_is_empty(playlist->entries[i].subsystem_ident))
continue;
if ( !string_is_empty(entry->subsystem_name)
&& !string_is_empty(playlist->entries[i].subsystem_name)
&& !string_is_equal(playlist->entries[i].subsystem_name, entry->subsystem_name))
continue;
if ( string_is_empty(entry->subsystem_name)
&& !string_is_empty(playlist->entries[i].subsystem_name))
continue;
if ( !string_is_empty(entry->subsystem_name)
&& string_is_empty(playlist->entries[i].subsystem_name))
continue;
if (entry->subsystem_roms)
{
unsigned j;
const struct string_list *roms = playlist->entries[i].subsystem_roms;
bool unequal = false;
if (entry->subsystem_roms->size != roms->size)
continue;
for (j = 0; j < entry->subsystem_roms->size; j++)
{
char real_rom_path[PATH_MAX_LENGTH];
real_rom_path[0] = '\0';
if (!string_is_empty(entry->subsystem_roms->elems[j].data))
{
strlcpy(real_rom_path, entry->subsystem_roms->elems[j].data, sizeof(real_rom_path));
path_resolve_realpath(real_rom_path, sizeof(real_rom_path), true);
}
if (!playlist_path_equal(real_rom_path, roms->elems[j].data,
&playlist->config))
{
unequal = true;
break;
}
}
if (unequal)
continue;
}
/* If content was previously loaded via file browser
* or command line, certain entry values will be missing.
* If we are now loading the same content from a playlist,
* fill in any blanks */
if (!playlist->entries[i].label && !string_is_empty(entry->label))
{
playlist->entries[i].label = strdup(entry->label);
entry_updated = true;
}
if (!playlist->entries[i].crc32 && !string_is_empty(entry->crc32))
{
playlist->entries[i].crc32 = strdup(entry->crc32);
entry_updated = true;
}
if (!playlist->entries[i].db_name && !string_is_empty(entry->db_name))
{
playlist->entries[i].db_name = strdup(entry->db_name);
entry_updated = true;
}
/* 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)
{
if (entry_updated)
goto success;
return false;
}
/* Seen it before, bump to top. */
tmp = playlist->entries[i];
memmove(playlist->entries + 1, playlist->entries,
i * sizeof(struct playlist_entry));
playlist->entries[0] = tmp;
goto success;
}
if (playlist->size == playlist->config.capacity)
{
struct playlist_entry *last_entry =
&playlist->entries[playlist->config.capacity - 1];
if (last_entry)
playlist_free_entry(last_entry);
playlist->size--;
}
if (playlist->entries)
{
memmove(playlist->entries + 1, playlist->entries,
(playlist->config.capacity - 1) * sizeof(struct playlist_entry));
playlist->entries[0].path = NULL;
playlist->entries[0].label = NULL;
playlist->entries[0].core_path = NULL;
playlist->entries[0].core_name = NULL;
playlist->entries[0].db_name = NULL;
playlist->entries[0].crc32 = NULL;
playlist->entries[0].subsystem_ident = NULL;
playlist->entries[0].subsystem_name = NULL;
playlist->entries[0].runtime_str = NULL;
playlist->entries[0].last_played_str = NULL;
playlist->entries[0].subsystem_roms = NULL;
playlist->entries[0].runtime_status = PLAYLIST_RUNTIME_UNKNOWN;
playlist->entries[0].runtime_hours = 0;
playlist->entries[0].runtime_minutes = 0;
playlist->entries[0].runtime_seconds = 0;
playlist->entries[0].last_played_year = 0;
playlist->entries[0].last_played_month = 0;
playlist->entries[0].last_played_day = 0;
playlist->entries[0].last_played_hour = 0;
playlist->entries[0].last_played_minute = 0;
playlist->entries[0].last_played_second = 0;
if (!string_is_empty(real_path))
playlist->entries[0].path = strdup(real_path);
if (!string_is_empty(entry->label))
playlist->entries[0].label = strdup(entry->label);
if (!string_is_empty(real_core_path))
playlist->entries[0].core_path = strdup(real_core_path);
if (!string_is_empty(core_name))
playlist->entries[0].core_name = strdup(core_name);
if (!string_is_empty(entry->db_name))
playlist->entries[0].db_name = strdup(entry->db_name);
if (!string_is_empty(entry->crc32))
playlist->entries[0].crc32 = strdup(entry->crc32);
if (!string_is_empty(entry->subsystem_ident))
playlist->entries[0].subsystem_ident = strdup(entry->subsystem_ident);
if (!string_is_empty(entry->subsystem_name))
playlist->entries[0].subsystem_name = strdup(entry->subsystem_name);
if (entry->subsystem_roms)
{
union string_list_elem_attr attributes = {0};
playlist->entries[0].subsystem_roms = string_list_new();
for (i = 0; i < entry->subsystem_roms->size; i++)
string_list_append(playlist->entries[0].subsystem_roms, entry->subsystem_roms->elems[i].data, attributes);
}
}
playlist->size++;
success:
playlist->modified = true;
return true;
}
static JSON_Writer_HandlerResult JSONOutputHandler(JSON_Writer writer, const char *pBytes, size_t length)
{
JSONContext *context = (JSONContext*)JSON_Writer_GetUserData(writer);
(void)writer; /* unused */
return intfstream_write(context->file, pBytes, length) == length ? JSON_Writer_Continue : JSON_Writer_Abort;
}
static void JSONLogError(JSONContext *pCtx)
{
if (pCtx->parser && JSON_Parser_GetError(pCtx->parser) != JSON_Error_AbortedByHandler)
{
JSON_Error error = JSON_Parser_GetError(pCtx->parser);
JSON_Location errorLocation = { 0, 0, 0 };
(void)JSON_Parser_GetErrorLocation(pCtx->parser, &errorLocation);
RARCH_WARN("Error: Invalid JSON at line %d, column %d (input byte %d) - %s.\n",
(int)errorLocation.line + 1,
(int)errorLocation.column + 1,
(int)errorLocation.byte,
JSON_ErrorString(error));
}
else if (pCtx->writer && JSON_Writer_GetError(pCtx->writer) != JSON_Error_AbortedByHandler)
{
RARCH_WARN("Error: could not write output - %s.\n", JSON_ErrorString(JSON_Writer_GetError(pCtx->writer)));
}
}
void playlist_write_runtime_file(playlist_t *playlist)
{
size_t i;
intfstream_t *file = NULL;
JSONContext context = {0};
if (!playlist || !playlist->modified)
return;
file = intfstream_open_file(playlist->config.path,
RETRO_VFS_FILE_ACCESS_WRITE, RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (!file)
{
RARCH_ERR("Failed to write to playlist file: %s\n", playlist->config.path);
return;
}
context.writer = JSON_Writer_Create(NULL);
context.file = file;
if (!context.writer)
{
RARCH_ERR("Failed to create JSON writer\n");
goto end;
}
JSON_Writer_SetOutputEncoding(context.writer, JSON_UTF8);
JSON_Writer_SetOutputHandler(context.writer, &JSONOutputHandler);
JSON_Writer_SetUserData(context.writer, &context);
JSON_Writer_WriteStartObject(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 2);
JSON_Writer_WriteString(context.writer, "version",
STRLEN_CONST("version"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteString(context.writer, "1.0",
STRLEN_CONST("1.0"), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 2);
JSON_Writer_WriteString(context.writer, "items",
STRLEN_CONST("items"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteStartArray(context.writer);
JSON_Writer_WriteNewLine(context.writer);
for (i = 0; i < playlist->size; i++)
{
JSON_Writer_WriteSpace(context.writer, 4);
JSON_Writer_WriteStartObject(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "path",
STRLEN_CONST("path"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->entries[i].path
? playlist->entries[i].path
: "",
playlist->entries[i].path
? strlen(playlist->entries[i].path)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "core_path",
STRLEN_CONST("core_path"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->entries[i].core_path
? playlist->entries[i].core_path
: "",
playlist->entries[i].core_path
? strlen(playlist->entries[i].core_path)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
{
char tmp[32] = {0};
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].runtime_hours);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "runtime_hours",
STRLEN_CONST("runtime_hours"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].runtime_minutes);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "runtime_minutes",
STRLEN_CONST("runtime_minutes"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].runtime_seconds);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "runtime_seconds",
STRLEN_CONST("runtime_seconds"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_year);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "last_played_year",
STRLEN_CONST("last_played_year"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_month);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "last_played_month",
STRLEN_CONST("last_played_month"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_day);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "last_played_day",
STRLEN_CONST("last_played_day"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp,
strlen(tmp), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_hour);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "last_played_hour",
STRLEN_CONST("last_played_hour"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_minute);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "last_played_minute",
STRLEN_CONST("last_played_minute"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp, strlen(tmp), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), "%u", playlist->entries[i].last_played_second);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "last_played_second",
STRLEN_CONST("last_played_second"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, tmp,
strlen(tmp), JSON_UTF8);
JSON_Writer_WriteNewLine(context.writer);
}
JSON_Writer_WriteSpace(context.writer, 4);
JSON_Writer_WriteEndObject(context.writer);
if (i < playlist->size - 1)
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
}
JSON_Writer_WriteSpace(context.writer, 2);
JSON_Writer_WriteEndArray(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteEndObject(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_Free(context.writer);
playlist->modified = false;
playlist->old_format = false;
playlist->compressed = false;
RARCH_LOG("[Playlist]: Written to playlist file: %s\n", playlist->config.path);
end:
intfstream_close(file);
free(file);
}
/* No-op versions of JSON whitespace writers,
* used when generating compressed output */
static JSON_Status JSON_CALL JSON_Writer_WriteNewLine_NULL(JSON_Writer writer)
{
return JSON_Success;
}
static JSON_Status JSON_CALL JSON_Writer_WriteSpace_NULL(JSON_Writer writer, size_t numberOfSpaces)
{
return JSON_Success;
}
void playlist_write_file(playlist_t *playlist)
{
size_t i;
intfstream_t *file = NULL;
bool compressed = false;
/* Playlist will be written if any of the
* following are true:
* > 'modified' flag is set
* > Current playlist format (old/new) does not
* match requested
* > Current playlist compression status does
* not match requested */
if (!playlist ||
!(playlist->modified ||
#if defined(HAVE_ZLIB)
(playlist->compressed != playlist->config.compress) ||
#endif
(playlist->old_format != playlist->config.old_format)))
return;
#if defined(HAVE_ZLIB)
if (playlist->config.compress)
file = intfstream_open_rzip_file(playlist->config.path,
RETRO_VFS_FILE_ACCESS_WRITE);
else
#endif
file = intfstream_open_file(playlist->config.path,
RETRO_VFS_FILE_ACCESS_WRITE,
RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (!file)
{
RARCH_ERR("Failed to write to playlist file: %s\n", playlist->config.path);
return;
}
/* Get current file compression state */
compressed = intfstream_is_compressed(file);
#ifdef RARCH_INTERNAL
if (playlist->config.old_format)
{
for (i = 0; i < playlist->size; i++)
intfstream_printf(file, "%s\n%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_path : "",
playlist->entries[i].core_name ? playlist->entries[i].core_name : "",
playlist->entries[i].crc32 ? playlist->entries[i].crc32 : "",
playlist->entries[i].db_name ? playlist->entries[i].db_name : ""
);
/* Add metadata lines
* > We add these at the end of the file to prevent
* breakage if the playlist is loaded with an older
* version of RetroArch */
intfstream_printf(
file,
"default_core_path = \"%s\"\n"
"default_core_name = \"%s\"\n"
"label_display_mode = \"%d\"\n"
"thumbnail_mode = \"%d|%d\"\n"
"sort_mode = \"%d\"\n",
playlist->default_core_path ? playlist->default_core_path : "",
playlist->default_core_name ? playlist->default_core_name : "",
playlist->label_display_mode,
playlist->right_thumbnail_mode, playlist->left_thumbnail_mode,
playlist->sort_mode);
playlist->old_format = true;
}
else
#endif
{
char uint_str[4];
JSONContext context = {0};
/* Assign JSON whitespace functions
* > When compressing playlists, human readability
* is not a factor - can skip all indentation
* and new line characters
* > Create these function pointers locally to
* ensure thread safety */
JSON_Status (JSON_CALL *json_write_new_line)(JSON_Writer writer) =
compressed ?
JSON_Writer_WriteNewLine_NULL :
JSON_Writer_WriteNewLine;
JSON_Status (JSON_CALL *json_write_space)(JSON_Writer writer, size_t numberOfSpaces) =
compressed ?
JSON_Writer_WriteSpace_NULL :
JSON_Writer_WriteSpace;
context.writer = JSON_Writer_Create(NULL);
context.file = file;
if (!context.writer)
{
RARCH_ERR("Failed to create JSON writer\n");
goto end;
}
JSON_Writer_SetOutputEncoding(context.writer, JSON_UTF8);
JSON_Writer_SetOutputHandler(context.writer, &JSONOutputHandler);
JSON_Writer_SetUserData(context.writer, &context);
JSON_Writer_WriteStartObject(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 2);
JSON_Writer_WriteString(context.writer, "version",
STRLEN_CONST("version"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer, "1.4",
STRLEN_CONST("1.4"), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 2);
JSON_Writer_WriteString(context.writer, "default_core_path",
STRLEN_CONST("default_core_path"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->default_core_path
? playlist->default_core_path
: "",
playlist->default_core_path
? strlen(playlist->default_core_path)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 2);
JSON_Writer_WriteString(context.writer, "default_core_name",
STRLEN_CONST("default_core_name"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->default_core_name
? playlist->default_core_name
: "",
playlist->default_core_name
? strlen(playlist->default_core_name)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
uint_str[0] = '\0';
snprintf(uint_str, sizeof(uint_str), "%u", playlist->label_display_mode);
json_write_space(context.writer, 2);
JSON_Writer_WriteString(context.writer, "label_display_mode",
STRLEN_CONST("label_display_mode"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, uint_str,
strlen(uint_str), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
uint_str[0] = '\0';
snprintf(uint_str, sizeof(uint_str), "%u", playlist->right_thumbnail_mode);
json_write_space(context.writer, 2);
JSON_Writer_WriteString(context.writer, "right_thumbnail_mode",
STRLEN_CONST("right_thumbnail_mode"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, uint_str,
strlen(uint_str), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
uint_str[0] = '\0';
snprintf(uint_str, sizeof(uint_str), "%u", playlist->left_thumbnail_mode);
json_write_space(context.writer, 2);
JSON_Writer_WriteString(context.writer, "left_thumbnail_mode",
STRLEN_CONST("left_thumbnail_mode"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, uint_str,
strlen(uint_str), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
uint_str[0] = '\0';
snprintf(uint_str, sizeof(uint_str), "%u", playlist->sort_mode);
json_write_space(context.writer, 2);
JSON_Writer_WriteString(context.writer, "sort_mode",
STRLEN_CONST("sort_mode"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteNumber(context.writer, uint_str,
strlen(uint_str), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 2);
JSON_Writer_WriteString(context.writer, "items",
STRLEN_CONST("items"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteStartArray(context.writer);
json_write_new_line(context.writer);
for (i = 0; i < playlist->size; i++)
{
json_write_space(context.writer, 4);
JSON_Writer_WriteStartObject(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "path",
STRLEN_CONST("path"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->entries[i].path
? playlist->entries[i].path
: "",
playlist->entries[i].path
? strlen(playlist->entries[i].path)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "label",
STRLEN_CONST("label"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->entries[i].label
? playlist->entries[i].label
: "",
playlist->entries[i].label
? strlen(playlist->entries[i].label)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "core_path",
STRLEN_CONST("core_path"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->entries[i].core_path
? playlist->entries[i].core_path
: "",
playlist->entries[i].core_path
? strlen(playlist->entries[i].core_path)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "core_name",
STRLEN_CONST("core_name"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->entries[i].core_name
? playlist->entries[i].core_name
: "",
playlist->entries[i].core_name
? strlen(playlist->entries[i].core_name)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "crc32",
STRLEN_CONST("crc32"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer, playlist->entries[i].crc32 ? playlist->entries[i].crc32 : "",
playlist->entries[i].crc32
? strlen(playlist->entries[i].crc32)
: 0,
JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "db_name",
STRLEN_CONST("db_name"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer, playlist->entries[i].db_name ? playlist->entries[i].db_name : "",
playlist->entries[i].db_name
? strlen(playlist->entries[i].db_name)
: 0,
JSON_UTF8);
if (!string_is_empty(playlist->entries[i].subsystem_ident))
{
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "subsystem_ident",
STRLEN_CONST("subsystem_ident"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer, playlist->entries[i].subsystem_ident ? playlist->entries[i].subsystem_ident : "",
playlist->entries[i].subsystem_ident
? strlen(playlist->entries[i].subsystem_ident)
: 0,
JSON_UTF8);
}
if (!string_is_empty(playlist->entries[i].subsystem_name))
{
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "subsystem_name",
STRLEN_CONST("subsystem_name"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->entries[i].subsystem_name
? playlist->entries[i].subsystem_name
: "",
playlist->entries[i].subsystem_name
? strlen(playlist->entries[i].subsystem_name)
: 0, JSON_UTF8);
}
if ( playlist->entries[i].subsystem_roms &&
playlist->entries[i].subsystem_roms->size > 0)
{
unsigned j;
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteString(context.writer, "subsystem_roms",
STRLEN_CONST("subsystem_roms"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
json_write_space(context.writer, 1);
JSON_Writer_WriteStartArray(context.writer);
json_write_new_line(context.writer);
for (j = 0; j < playlist->entries[i].subsystem_roms->size; j++)
{
const struct string_list *roms = playlist->entries[i].subsystem_roms;
json_write_space(context.writer, 8);
JSON_Writer_WriteString(context.writer,
!string_is_empty(roms->elems[j].data)
? roms->elems[j].data
: "",
!string_is_empty(roms->elems[j].data)
? strlen(roms->elems[j].data)
: 0,
JSON_UTF8);
if (j < playlist->entries[i].subsystem_roms->size - 1)
{
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
}
}
json_write_new_line(context.writer);
json_write_space(context.writer, 6);
JSON_Writer_WriteEndArray(context.writer);
}
json_write_new_line(context.writer);
json_write_space(context.writer, 4);
JSON_Writer_WriteEndObject(context.writer);
if (i < playlist->size - 1)
JSON_Writer_WriteComma(context.writer);
json_write_new_line(context.writer);
}
json_write_space(context.writer, 2);
JSON_Writer_WriteEndArray(context.writer);
json_write_new_line(context.writer);
JSON_Writer_WriteEndObject(context.writer);
json_write_new_line(context.writer);
JSON_Writer_Free(context.writer);
playlist->old_format = false;
}
playlist->modified = false;
playlist->compressed = compressed;
RARCH_LOG("[Playlist]: Written to playlist file: %s\n", playlist->config.path);
end:
intfstream_close(file);
free(file);
}
/**
* playlist_free:
* @playlist : Playlist handle.
*
* Frees playlist handle.
*/
void playlist_free(playlist_t *playlist)
{
size_t i;
if (!playlist)
return;
if (playlist->default_core_path != NULL)
free(playlist->default_core_path);
playlist->default_core_path = NULL;
if (playlist->default_core_name != NULL)
free(playlist->default_core_name);
playlist->default_core_name = NULL;
for (i = 0; i < playlist->size; i++)
{
struct playlist_entry *entry = &playlist->entries[i];
if (entry)
playlist_free_entry(entry);
}
free(playlist->entries);
playlist->entries = NULL;
free(playlist);
}
/**
* playlist_clear:
* @playlist : Playlist handle.
*
* Clears all playlist entries in playlist.
**/
void playlist_clear(playlist_t *playlist)
{
size_t i;
if (!playlist)
return;
for (i = 0; i < playlist->size; i++)
{
struct playlist_entry *entry = &playlist->entries[i];
if (entry)
playlist_free_entry(entry);
}
playlist->size = 0;
}
/**
* playlist_size:
* @playlist : Playlist handle.
*
* Gets size of playlist.
* Returns: size of playlist.
**/
size_t playlist_size(playlist_t *playlist)
{
if (!playlist)
return 0;
return playlist->size;
}
/**
* playlist_capacity:
* @playlist : Playlist handle.
*
* Gets maximum capacity of playlist.
* Returns: maximum capacity of playlist.
**/
size_t playlist_capacity(playlist_t *playlist)
{
if (!playlist)
return 0;
return playlist->config.capacity;
}
static JSON_Parser_HandlerResult JSONStartArrayHandler(JSON_Parser parser)
{
JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser);
pCtx->array_depth++;
if (pCtx->object_depth == 1)
{
if (string_is_equal(pCtx->current_meta_string, "items") && pCtx->array_depth == 1)
pCtx->in_items = true;
}
else if (pCtx->object_depth == 2)
{
if (pCtx->array_depth == 2)
if (string_is_equal(pCtx->current_items_string, "subsystem_roms"))
pCtx->in_subsystem_roms = true;
}
return JSON_Parser_Continue;
}
static JSON_Parser_HandlerResult JSONEndArrayHandler(JSON_Parser parser)
{
JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser);
retro_assert(pCtx->array_depth > 0);
pCtx->array_depth--;
if (pCtx->object_depth == 1)
{
if (pCtx->in_items && string_is_equal(pCtx->current_meta_string, "items") && pCtx->array_depth == 0)
{
free(pCtx->current_meta_string);
pCtx->current_meta_string = NULL;
pCtx->in_items = false;
if (pCtx->current_items_string)
{
free(pCtx->current_items_string);
pCtx->current_items_string = NULL;
}
}
}
else if (pCtx->object_depth == 2)
{
if (pCtx->in_subsystem_roms && string_is_equal(pCtx->current_items_string, "subsystem_roms") && pCtx->array_depth == 1)
pCtx->in_subsystem_roms = false;
}
return JSON_Parser_Continue;
}
static JSON_Parser_HandlerResult JSONStartObjectHandler(JSON_Parser parser)
{
JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser);
pCtx->object_depth++;
if (pCtx->in_items && pCtx->object_depth == 2)
{
if ((pCtx->array_depth == 1) && !pCtx->capacity_exceeded)
{
if (pCtx->playlist->size < pCtx->playlist->config.capacity)
pCtx->current_entry = &pCtx->playlist->entries[pCtx->playlist->size];
else
{
/* Hit max item limit.
* Note: We can't just abort here, since there may
* be more metadata to read at the end of the file... */
RARCH_WARN("JSON file contains more entries than current playlist capacity. Excess entries will be discarded.\n");
pCtx->capacity_exceeded = true;
pCtx->current_entry = NULL;
/* In addition, since we are discarding excess entries,
* the playlist must be flagged as being modified
* (i.e. the playlist is not the same as when it was
* last saved to disk...) */
pCtx->playlist->modified = true;
}
}
}
return JSON_Parser_Continue;
}
static JSON_Parser_HandlerResult JSONEndObjectHandler(JSON_Parser parser)
{
JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser);
if (pCtx->in_items && pCtx->object_depth == 2)
{
if ((pCtx->array_depth == 1) && !pCtx->capacity_exceeded)
pCtx->playlist->size++;
}
retro_assert(pCtx->object_depth > 0);
pCtx->object_depth--;
return JSON_Parser_Continue;
}
static JSON_Parser_HandlerResult JSONStringHandler(JSON_Parser parser, char *pValue, size_t length, JSON_StringAttributes attributes)
{
JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser);
(void)attributes; /* unused */
if (pCtx->in_items && pCtx->in_subsystem_roms && pCtx->object_depth == 2 && pCtx->array_depth == 2)
{
if (pCtx->current_entry_string_list_val && length && !string_is_empty(pValue))
{
union string_list_elem_attr attr = {0};
if (!*pCtx->current_entry_string_list_val)
*pCtx->current_entry_string_list_val = string_list_new();
string_list_append(*pCtx->current_entry_string_list_val, pValue, attr);
}
}
else if (pCtx->in_items && pCtx->object_depth == 2)
{
if (pCtx->array_depth == 1)
{
if (pCtx->current_entry_val && length && !string_is_empty(pValue))
{
if (*pCtx->current_entry_val)
free(*pCtx->current_entry_val);
*pCtx->current_entry_val = strdup(pValue);
}
}
}
else if (pCtx->object_depth == 1)
{
if (pCtx->array_depth == 0)
{
if (pCtx->current_meta_val && length && !string_is_empty(pValue))
{
/* handle any top-level playlist metadata here */
#if 0
RARCH_LOG("[Playlist]: Found meta: %s = %s\n", pCtx->current_meta_string, pValue);
#endif
free(pCtx->current_meta_string);
pCtx->current_meta_string = NULL;
if (*pCtx->current_meta_val)
free(*pCtx->current_meta_val);
*pCtx->current_meta_val = strdup(pValue);
}
}
}
pCtx->current_entry_val = NULL;
pCtx->current_meta_val = NULL;
return JSON_Parser_Continue;
}
static JSON_Parser_HandlerResult JSONNumberHandler(JSON_Parser parser, char *pValue, size_t length, JSON_StringAttributes attributes)
{
JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser);
(void)attributes; /* unused */
if (pCtx->in_items && pCtx->object_depth == 2)
{
if (pCtx->array_depth == 1)
{
if (pCtx->current_entry_int_val && length && !string_is_empty(pValue))
*pCtx->current_entry_int_val = (int)strtoul(pValue, NULL, 10);
else if (pCtx->current_entry_uint_val && length && !string_is_empty(pValue))
*pCtx->current_entry_uint_val = (unsigned)strtoul(pValue, NULL, 10);
}
}
else if (pCtx->object_depth == 1)
{
if (pCtx->array_depth == 0)
{
if (pCtx->current_meta_string && length && !string_is_empty(pValue))
{
/* handle any top-level playlist metadata here */
#if 0
RARCH_LOG("[Playlist]: Found meta: %s = %s\n", pCtx->current_meta_string, pValue);
#endif
free(pCtx->current_meta_string);
pCtx->current_meta_string = NULL;
if (pCtx->current_meta_label_display_mode_val)
*pCtx->current_meta_label_display_mode_val = (enum playlist_label_display_mode)strtoul(pValue, NULL, 10);
else if (pCtx->current_meta_thumbnail_mode_val)
*pCtx->current_meta_thumbnail_mode_val = (enum playlist_thumbnail_mode)strtoul(pValue, NULL, 10);
else if (pCtx->current_meta_sort_mode_val)
*pCtx->current_meta_sort_mode_val = (enum playlist_sort_mode)strtoul(pValue, NULL, 10);
}
}
}
pCtx->current_entry_int_val = NULL;
pCtx->current_entry_uint_val = NULL;
pCtx->current_meta_label_display_mode_val = NULL;
pCtx->current_meta_thumbnail_mode_val = NULL;
pCtx->current_meta_sort_mode_val = NULL;
return JSON_Parser_Continue;
}
static JSON_Parser_HandlerResult JSONObjectMemberHandler(JSON_Parser parser, char *pValue, size_t length, JSON_StringAttributes attributes)
{
JSONContext *pCtx = (JSONContext*)JSON_Parser_GetUserData(parser);
(void)attributes; /* unused */
if (pCtx->in_items && pCtx->object_depth == 2)
{
if (pCtx->array_depth == 1)
{
if (pCtx->current_entry_val)
{
/* something went wrong */
RARCH_WARN("JSON parsing failed at line %d.\n", __LINE__);
return JSON_Parser_Abort;
}
if (length)
{
if (!string_is_empty(pValue))
{
if (!string_is_empty(pCtx->current_items_string))
free(pCtx->current_items_string);
pCtx->current_items_string = strdup(pValue);
}
if (!pCtx->capacity_exceeded)
{
if (string_is_equal(pValue, "path"))
pCtx->current_entry_val = &pCtx->current_entry->path;
else if (string_is_equal(pValue, "label"))
pCtx->current_entry_val = &pCtx->current_entry->label;
else if (string_is_equal(pValue, "core_path"))
pCtx->current_entry_val = &pCtx->current_entry->core_path;
else if (string_is_equal(pValue, "core_name"))
pCtx->current_entry_val = &pCtx->current_entry->core_name;
else if (string_is_equal(pValue, "crc32"))
pCtx->current_entry_val = &pCtx->current_entry->crc32;
else if (string_is_equal(pValue, "db_name"))
pCtx->current_entry_val = &pCtx->current_entry->db_name;
else if (string_starts_with_size(pValue, "subsystem_", STRLEN_CONST("subsystem_")))
{
if (string_is_equal(pValue, "subsystem_ident"))
pCtx->current_entry_val = &pCtx->current_entry->subsystem_ident;
else if (string_is_equal(pValue, "subsystem_name"))
pCtx->current_entry_val = &pCtx->current_entry->subsystem_name;
else if (string_is_equal(pValue, "subsystem_roms"))
pCtx->current_entry_string_list_val = &pCtx->current_entry->subsystem_roms;
}
else if (string_starts_with_size(pValue, "runtime_", STRLEN_CONST("runtime_")))
{
if (string_is_equal(pValue, "runtime_hours"))
pCtx->current_entry_uint_val = &pCtx->current_entry->runtime_hours;
else if (string_is_equal(pValue, "runtime_minutes"))
pCtx->current_entry_uint_val = &pCtx->current_entry->runtime_minutes;
else if (string_is_equal(pValue, "runtime_seconds"))
pCtx->current_entry_uint_val = &pCtx->current_entry->runtime_seconds;
}
else if (string_starts_with_size(pValue, "last_played_", STRLEN_CONST("last_played_")))
{
if (string_is_equal(pValue, "last_played_year"))
pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_year;
else if (string_is_equal(pValue, "last_played_month"))
pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_month;
else if (string_is_equal(pValue, "last_played_day"))
pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_day;
else if (string_is_equal(pValue, "last_played_hour"))
pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_hour;
else if (string_is_equal(pValue, "last_played_minute"))
pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_minute;
else if (string_is_equal(pValue, "last_played_second"))
pCtx->current_entry_uint_val = &pCtx->current_entry->last_played_second;
}
}
else
{
pCtx->current_entry_val = NULL;
pCtx->current_entry_uint_val = NULL;
pCtx->current_entry_string_list_val = NULL;
}
}
}
}
else if (pCtx->object_depth == 1)
{
if (pCtx->array_depth == 0)
{
if (pCtx->current_meta_val)
{
/* something went wrong */
RARCH_WARN("JSON parsing failed at line %d.\n", __LINE__);
return JSON_Parser_Abort;
}
if (length)
{
if (pCtx->current_meta_string)
free(pCtx->current_meta_string);
pCtx->current_meta_string = strdup(pValue);
if (string_is_equal(pValue, "default_core_path"))
pCtx->current_meta_val = &pCtx->playlist->default_core_path;
else if (string_is_equal(pValue, "default_core_name"))
pCtx->current_meta_val = &pCtx->playlist->default_core_name;
else if (string_is_equal(pValue, "label_display_mode"))
pCtx->current_meta_label_display_mode_val = &pCtx->playlist->label_display_mode;
else if (string_is_equal(pValue, "right_thumbnail_mode"))
pCtx->current_meta_thumbnail_mode_val = &pCtx->playlist->right_thumbnail_mode;
else if (string_is_equal(pValue, "left_thumbnail_mode"))
pCtx->current_meta_thumbnail_mode_val = &pCtx->playlist->left_thumbnail_mode;
else if (string_is_equal(pValue, "sort_mode"))
pCtx->current_meta_sort_mode_val = &pCtx->playlist->sort_mode;
}
}
}
return JSON_Parser_Continue;
}
static void get_old_format_metadata_value(
char *metadata_line, char *value, size_t len)
{
char *end = NULL;
char *start = strchr(metadata_line, '\"');
if (!start)
return;
start++;
end = strchr(start, '\"');
if (!end)
return;
*end = '\0';
strlcpy(value, start, len);
}
static bool playlist_read_file(playlist_t *playlist)
{
unsigned i;
int test_char;
#if defined(HAVE_ZLIB)
/* Always use RZIP interface when reading playlists
* > this will automatically handle uncompressed
* data */
intfstream_t *file = intfstream_open_rzip_file(
playlist->config.path,
RETRO_VFS_FILE_ACCESS_READ);
#else
intfstream_t *file = intfstream_open_file(
playlist->config.path,
RETRO_VFS_FILE_ACCESS_READ,
RETRO_VFS_FILE_ACCESS_HINT_NONE);
#endif
/* If playlist file does not exist,
* create an empty playlist instead */
if (!file)
return true;
playlist->compressed = intfstream_is_compressed(file);
/* Detect format of playlist
* > Read file until we find the first printable
* non-whitespace ASCII character */
do
{
test_char = intfstream_getc(file);
if (test_char == EOF) /* read error or end of file */
goto end;
}while (!isgraph(test_char) || test_char > 0x7F);
if (test_char == '{')
{
/* New playlist format detected */
#if 0
RARCH_LOG("[Playlist]: New playlist format detected.\n");
#endif
playlist->old_format = false;
}
else
{
/* old playlist format detected */
#if 0
RARCH_LOG("[Playlist]: Old playlist format detected.\n");
#endif
playlist->old_format = true;
}
/* Reset file to start */
intfstream_rewind(file);
if (!playlist->old_format)
{
JSONContext context = {0};
context.parser = JSON_Parser_Create(NULL);
context.file = file;
context.playlist = playlist;
if (!context.parser)
{
RARCH_ERR("Failed to create JSON parser\n");
goto end;
}
#if 0
JSON_Parser_SetTrackObjectMembers(context.parser, JSON_True);
#endif
JSON_Parser_SetAllowBOM(context.parser, JSON_True);
JSON_Parser_SetAllowComments(context.parser, JSON_True);
JSON_Parser_SetAllowSpecialNumbers(context.parser, JSON_True);
JSON_Parser_SetAllowHexNumbers(context.parser, JSON_True);
JSON_Parser_SetAllowUnescapedControlCharacters(context.parser, JSON_True);
JSON_Parser_SetReplaceInvalidEncodingSequences(context.parser, JSON_True);
#if 0
JSON_Parser_SetNullHandler(context.parser, &JSONNullHandler);
JSON_Parser_SetBooleanHandler(context.parser, &JSONBooleanHandler);
JSON_Parser_SetSpecialNumberHandler(context.parser, &JSONSpecialNumberHandler);
JSON_Parser_SetArrayItemHandler(context.parser, &JSONArrayItemHandler);
#endif
JSON_Parser_SetNumberHandler(context.parser, &JSONNumberHandler);
JSON_Parser_SetStringHandler(context.parser, &JSONStringHandler);
JSON_Parser_SetStartObjectHandler(context.parser, &JSONStartObjectHandler);
JSON_Parser_SetEndObjectHandler(context.parser, &JSONEndObjectHandler);
JSON_Parser_SetObjectMemberHandler(context.parser, &JSONObjectMemberHandler);
JSON_Parser_SetStartArrayHandler(context.parser, &JSONStartArrayHandler);
JSON_Parser_SetEndArrayHandler(context.parser, &JSONEndArrayHandler);
JSON_Parser_SetUserData(context.parser, &context);
while (!intfstream_eof(file))
{
char chunk[4096] = {0};
int64_t length = intfstream_read(file, chunk, sizeof(chunk));
if (!length && !intfstream_eof(file))
{
RARCH_WARN("Could not read JSON input.\n");
goto json_cleanup;
}
if (!JSON_Parser_Parse(context.parser, chunk, length, JSON_False))
{
/* Note: Chunk may not be null-terminated.
* It is therefore dangerous to print its contents.
* Setting a size limit here mitigates the issue, but
* in general this is not good practice...
* Addendum: RARCH_WARN() actually limits the printed
* buffer size anyway, so this warning message is most
* likely worthless... */
RARCH_WARN("Error parsing chunk:\n---snip---\n%.*s\n---snip---\n", 4096, chunk);
JSONLogError(&context);
goto json_cleanup;
}
}
if (!JSON_Parser_Parse(context.parser, NULL, 0, JSON_True))
{
RARCH_WARN("Error parsing JSON.\n");
JSONLogError(&context);
goto json_cleanup;
}
json_cleanup:
JSON_Parser_Free(context.parser);
if (context.current_meta_string)
free(context.current_meta_string);
if (context.current_items_string)
free(context.current_items_string);
}
else
{
char line_buf[PLAYLIST_ENTRIES][PATH_MAX_LENGTH] = {{0}};
/* Unnecessary, but harmless */
for (i = 0; i < PLAYLIST_ENTRIES; i++)
line_buf[i][0] = '\0';
/* Read playlist entries */
playlist->size = 0;
while (playlist->size < playlist->config.capacity)
{
size_t i;
size_t lines_read = 0;
/* Attempt to read the next 'PLAYLIST_ENTRIES'
* lines from the file */
for (i = 0; i < PLAYLIST_ENTRIES; i++)
{
*line_buf[i] = '\0';
if (intfstream_gets(file, line_buf[i], sizeof(line_buf[i])))
{
/* Ensure line is NUL terminated, regardless of
* Windows or Unix line endings */
string_replace_all_chars(line_buf[i], '\r', '\0');
string_replace_all_chars(line_buf[i], '\n', '\0');
lines_read++;
}
else
break;
}
/* If a 'full set' of lines were read, then this
* is a valid playlist entry */
if (lines_read >= PLAYLIST_ENTRIES)
{
struct playlist_entry *entry =
&playlist->entries[playlist->size];
if (!entry)
continue;
/* path */
if (!string_is_empty(line_buf[0]))
entry->path = strdup(line_buf[0]);
/* label */
if (!string_is_empty(line_buf[1]))
entry->label = strdup(line_buf[1]);
/* core_path */
if (!string_is_empty(line_buf[2]))
entry->core_path = strdup(line_buf[2]);
/* core_name */
if (!string_is_empty(line_buf[3]))
entry->core_name = strdup(line_buf[3]);
/* crc32 */
if (!string_is_empty(line_buf[4]))
entry->crc32 = strdup(line_buf[4]);
/* db_name */
if (!string_is_empty(line_buf[5]))
entry->db_name = strdup(line_buf[5]);
playlist->size++;
}
/* If fewer than 'PLAYLIST_ENTRIES' lines were
* read, then this is metadata */
else
{
char default_core_path[PATH_MAX_LENGTH];
char default_core_name[PATH_MAX_LENGTH];
default_core_path[0] = '\0';
default_core_name[0] = '\0';
/* Get default_core_path */
if (lines_read < 1)
break;
if (strncmp("default_core_path",
line_buf[0],
STRLEN_CONST("default_core_path")) == 0)
get_old_format_metadata_value(
line_buf[0], default_core_path, sizeof(default_core_path));
/* Get default_core_name */
if (lines_read < 2)
break;
if (strncmp("default_core_name",
line_buf[1],
STRLEN_CONST("default_core_name")) == 0)
get_old_format_metadata_value(
line_buf[1], default_core_name, sizeof(default_core_name));
/* > Populate default core path/name, if required
* (if one is empty, the other should be ignored) */
if (!string_is_empty(default_core_path) &&
!string_is_empty(default_core_name))
{
playlist->default_core_path = strdup(default_core_path);
playlist->default_core_name = strdup(default_core_name);
}
/* Get label_display_mode */
if (lines_read < 3)
break;
if (strncmp("label_display_mode",
line_buf[2],
STRLEN_CONST("label_display_mode")) == 0)
{
unsigned display_mode;
char display_mode_str[4] = {0};
get_old_format_metadata_value(
line_buf[2], display_mode_str, sizeof(display_mode_str));
display_mode = string_to_unsigned(display_mode_str);
if (display_mode <= LABEL_DISPLAY_MODE_KEEP_REGION_AND_DISC_INDEX)
playlist->label_display_mode = (enum playlist_label_display_mode)display_mode;
}
/* Get thumbnail modes */
if (lines_read < 4)
break;
if (strncmp("thumbnail_mode",
line_buf[3],
STRLEN_CONST("thumbnail_mode")) == 0)
{
char thumbnail_mode_str[8] = {0};
struct string_list *thumbnail_modes = NULL;
get_old_format_metadata_value(
line_buf[3], thumbnail_mode_str, sizeof(thumbnail_mode_str));
thumbnail_modes = string_split(thumbnail_mode_str, "|");
if (thumbnail_modes)
{
if (thumbnail_modes->size == 2)
{
unsigned thumbnail_mode;
/* Right thumbnail mode */
thumbnail_mode = string_to_unsigned(thumbnail_modes->elems[0].data);
if (thumbnail_mode <= PLAYLIST_THUMBNAIL_MODE_BOXARTS)
playlist->right_thumbnail_mode = (enum playlist_thumbnail_mode)thumbnail_mode;
/* Left thumbnail mode */
thumbnail_mode = string_to_unsigned(thumbnail_modes->elems[1].data);
if (thumbnail_mode <= PLAYLIST_THUMBNAIL_MODE_BOXARTS)
playlist->left_thumbnail_mode = (enum playlist_thumbnail_mode)thumbnail_mode;
}
string_list_free(thumbnail_modes);
}
}
/* Get sort_mode */
if (lines_read < 5)
break;
if (strncmp("sort_mode",
line_buf[4],
STRLEN_CONST("sort_mode")) == 0)
{
unsigned sort_mode;
char sort_mode_str[4] = {0};
get_old_format_metadata_value(
line_buf[4], sort_mode_str, sizeof(sort_mode_str));
sort_mode = string_to_unsigned(sort_mode_str);
if (sort_mode <= PLAYLIST_SORT_MODE_OFF)
playlist->sort_mode = (enum playlist_sort_mode)sort_mode;
}
/* All metadata parsed -> end of file */
break;
}
}
}
end:
intfstream_close(file);
free(file);
return true;
}
void playlist_free_cached(void)
{
playlist_free(playlist_cached);
playlist_cached = NULL;
}
playlist_t *playlist_get_cached(void)
{
if (playlist_cached)
return playlist_cached;
return NULL;
}
bool playlist_init_cached(const playlist_config_t *config)
{
playlist_t *playlist = playlist_init(config);
if (!playlist)
return false;
/* If playlist format/compression state
* does not match requested settings, update
* file on disk immediately */
if (
#if defined(HAVE_ZLIB)
(playlist->compressed != playlist->config.compress) ||
#endif
(playlist->old_format != playlist->config.old_format))
playlist_write_file(playlist);
playlist_cached = playlist;
return true;
}
/**
* playlist_init:
* @config : Playlist configuration object.
*
* Creates and initializes a playlist.
*
* Returns: handle to new playlist if successful, otherwise NULL
**/
playlist_t *playlist_init(const playlist_config_t *config)
{
struct playlist_entry *entries = NULL;
playlist_t *playlist = (playlist_t*)malloc(sizeof(*playlist));
/* Cache configuration parameters */
if (!playlist || !playlist_config_copy(config, &playlist->config))
goto error;
/* Create entries array */
entries = (struct playlist_entry*)calloc(
playlist->config.capacity, sizeof(*entries));
if (!entries)
goto error;
/* Set initial values */
playlist->modified = false;
playlist->old_format = false;
playlist->compressed = false;
playlist->size = 0;
playlist->default_core_name = NULL;
playlist->default_core_path = NULL;
playlist->entries = entries;
playlist->label_display_mode = LABEL_DISPLAY_MODE_DEFAULT;
playlist->right_thumbnail_mode = PLAYLIST_THUMBNAIL_MODE_DEFAULT;
playlist->left_thumbnail_mode = PLAYLIST_THUMBNAIL_MODE_DEFAULT;
playlist->sort_mode = PLAYLIST_SORT_MODE_DEFAULT;
/* Attempt to read any existing playlist file */
playlist_read_file(playlist);
return playlist;
error:
if (playlist)
free(playlist);
return NULL;
}
static int playlist_qsort_func(const struct playlist_entry *a,
const struct playlist_entry *b)
{
char *a_str = NULL;
char *b_str = NULL;
char *a_fallback_label = NULL;
char *b_fallback_label = NULL;
int ret = 0;
if (!a || !b)
goto end;
a_str = a->label;
b_str = b->label;
/* It is quite possible for playlist labels
* to be blank. If that is the case, have to use
* filename as a fallback (this is slow, but we
* have no other option...) */
if (string_is_empty(a_str))
{
a_fallback_label = (char*)calloc(PATH_MAX_LENGTH, sizeof(char));
if (!a_fallback_label)
goto end;
if (!string_is_empty(a->path))
fill_short_pathname_representation(a_fallback_label, a->path, PATH_MAX_LENGTH * sizeof(char));
/* If filename is also empty, use core name
* instead -> this matches the behaviour of
* menu_displaylist_parse_playlist() */
else if (!string_is_empty(a->core_name))
strlcpy(a_fallback_label, a->core_name, PATH_MAX_LENGTH * sizeof(char));
/* If both filename and core name are empty,
* then have to compare an empty string
* -> again, this is to match the behaviour of
* menu_displaylist_parse_playlist() */
a_str = a_fallback_label;
}
if (string_is_empty(b_str))
{
b_fallback_label = (char*)calloc(PATH_MAX_LENGTH, sizeof(char));
if (!b_fallback_label)
goto end;
if (!string_is_empty(b->path))
fill_short_pathname_representation(b_fallback_label, b->path, PATH_MAX_LENGTH * sizeof(char));
else if (!string_is_empty(b->core_name))
strlcpy(b_fallback_label, b->core_name, PATH_MAX_LENGTH * sizeof(char));
b_str = b_fallback_label;
}
ret = strcasecmp(a_str, b_str);
end:
a_str = NULL;
b_str = NULL;
if (a_fallback_label)
{
free(a_fallback_label);
a_fallback_label = NULL;
}
if (b_fallback_label)
{
free(b_fallback_label);
b_fallback_label = NULL;
}
return ret;
}
void playlist_qsort(playlist_t *playlist)
{
/* Avoid inadvertent sorting if 'sort mode'
* has been set explicitly to PLAYLIST_SORT_MODE_OFF */
if (!playlist ||
(playlist->sort_mode == PLAYLIST_SORT_MODE_OFF))
return;
qsort(playlist->entries, playlist->size,
sizeof(struct playlist_entry),
(int (*)(const void *, const void *))playlist_qsort_func);
}
void command_playlist_push_write(
playlist_t *playlist,
const struct playlist_entry *entry)
{
if (!playlist)
return;
if (playlist_push(playlist, entry))
playlist_write_file(playlist);
}
void command_playlist_update_write(
playlist_t *plist,
size_t idx,
const struct playlist_entry *entry)
{
playlist_t *playlist = plist ? plist : playlist_get_cached();
if (!playlist)
return;
playlist_update(
playlist,
idx,
entry);
playlist_write_file(playlist);
}
bool playlist_index_is_valid(playlist_t *playlist, size_t idx,
const char *path, const char *core_path)
{
if (!playlist)
return false;
if (idx >= playlist->size)
return false;
return string_is_equal(playlist->entries[idx].path, path) &&
string_is_equal(path_basename(playlist->entries[idx].core_path), path_basename(core_path));
}
bool playlist_entries_are_equal(
const struct playlist_entry *entry_a,
const struct playlist_entry *entry_b,
const playlist_config_t *config)
{
char real_path_a[PATH_MAX_LENGTH];
char real_core_path_a[PATH_MAX_LENGTH];
real_path_a[0] = '\0';
real_core_path_a[0] = '\0';
/* Sanity check */
if (!entry_a || !entry_b || !config)
return false;
if (string_is_empty(entry_a->path) &&
string_is_empty(entry_a->core_path) &&
string_is_empty(entry_b->path) &&
string_is_empty(entry_b->core_path))
return true;
/* Check content paths */
if (!string_is_empty(entry_a->path))
{
strlcpy(real_path_a, entry_a->path, sizeof(real_path_a));
path_resolve_realpath(real_path_a, sizeof(real_path_a), true);
}
if (!playlist_path_equal(
real_path_a, entry_b->path, config))
return false;
/* Check core paths */
if (!string_is_empty(entry_a->core_path))
{
strlcpy(real_core_path_a, entry_a->core_path, sizeof(real_core_path_a));
if (!string_is_equal(real_core_path_a, "DETECT") &&
!string_is_equal(real_core_path_a, "builtin"))
path_resolve_realpath(real_core_path_a, sizeof(real_core_path_a), true);
}
return playlist_core_path_equal(real_core_path_a, entry_b->core_path);
}
void playlist_get_crc32(playlist_t *playlist, size_t idx,
const char **crc32)
{
if (!playlist)
return;
if (crc32)
*crc32 = playlist->entries[idx].crc32;
}
void playlist_get_db_name(playlist_t *playlist, size_t idx,
const char **db_name)
{
if (!playlist)
return;
if (db_name)
{
if (!string_is_empty(playlist->entries[idx].db_name))
*db_name = playlist->entries[idx].db_name;
else
{
const char *conf_path_basename = path_basename(playlist->config.path);
/* Only use file basename if this is a 'collection' playlist
* (i.e. ignore history/favourites) */
if (
!string_is_empty(conf_path_basename)
&& !string_ends_with_size(conf_path_basename, "_history.lpl",
strlen(conf_path_basename), STRLEN_CONST("_history.lpl"))
&& !string_is_equal(conf_path_basename,
file_path_str(FILE_PATH_CONTENT_FAVORITES))
)
*db_name = conf_path_basename;
}
}
}
char *playlist_get_default_core_path(playlist_t *playlist)
{
if (!playlist)
return NULL;
return playlist->default_core_path;
}
char *playlist_get_default_core_name(playlist_t *playlist)
{
if (!playlist)
return NULL;
return playlist->default_core_name;
}
enum playlist_label_display_mode playlist_get_label_display_mode(playlist_t *playlist)
{
if (!playlist)
return LABEL_DISPLAY_MODE_DEFAULT;
return playlist->label_display_mode;
}
enum playlist_thumbnail_mode playlist_get_thumbnail_mode(
playlist_t *playlist, enum playlist_thumbnail_id thumbnail_id)
{
if (!playlist)
return PLAYLIST_THUMBNAIL_MODE_DEFAULT;
if (thumbnail_id == PLAYLIST_THUMBNAIL_RIGHT)
return playlist->right_thumbnail_mode;
else if (thumbnail_id == PLAYLIST_THUMBNAIL_LEFT)
return playlist->left_thumbnail_mode;
/* Fallback */
return PLAYLIST_THUMBNAIL_MODE_DEFAULT;
}
enum playlist_sort_mode playlist_get_sort_mode(playlist_t *playlist)
{
if (!playlist)
return PLAYLIST_SORT_MODE_DEFAULT;
return playlist->sort_mode;
}
void playlist_set_default_core_path(playlist_t *playlist, const char *core_path)
{
char real_core_path[PATH_MAX_LENGTH];
real_core_path[0] = '\0';
if (!playlist || string_is_empty(core_path))
return;
/* Get 'real' core path */
strlcpy(real_core_path, core_path, sizeof(real_core_path));
if (!string_is_equal(real_core_path, "DETECT") &&
!string_is_equal(real_core_path, "builtin"))
playlist_resolve_path(PLAYLIST_SAVE,
real_core_path, sizeof(real_core_path));
if (string_is_empty(real_core_path))
return;
if (!string_is_equal(playlist->default_core_path, real_core_path))
{
if (playlist->default_core_path)
free(playlist->default_core_path);
playlist->default_core_path = strdup(real_core_path);
playlist->modified = true;
}
}
void playlist_set_default_core_name(playlist_t *playlist, const char *core_name)
{
if (!playlist || string_is_empty(core_name))
return;
if (!string_is_equal(playlist->default_core_name, core_name))
{
if (playlist->default_core_name)
free(playlist->default_core_name);
playlist->default_core_name = strdup(core_name);
playlist->modified = true;
}
}
void playlist_set_label_display_mode(playlist_t *playlist,
enum playlist_label_display_mode label_display_mode)
{
if (!playlist)
return;
if (playlist->label_display_mode != label_display_mode)
{
playlist->label_display_mode = label_display_mode;
playlist->modified = true;
}
}
void playlist_set_thumbnail_mode(
playlist_t *playlist, enum playlist_thumbnail_id thumbnail_id,
enum playlist_thumbnail_mode thumbnail_mode)
{
if (!playlist)
return;
switch (thumbnail_id)
{
case PLAYLIST_THUMBNAIL_RIGHT:
playlist->right_thumbnail_mode = thumbnail_mode;
playlist->modified = true;
break;
case PLAYLIST_THUMBNAIL_LEFT:
playlist->left_thumbnail_mode = thumbnail_mode;
playlist->modified = true;
break;
}
}
void playlist_set_sort_mode(playlist_t *playlist, enum playlist_sort_mode sort_mode)
{
if (!playlist)
return;
if (playlist->sort_mode != sort_mode)
{
playlist->sort_mode = sort_mode;
playlist->modified = true;
}
}
/* Returns true if specified entry has a valid
* core association (i.e. a non-empty string
* other than DETECT) */
bool playlist_entry_has_core(const struct playlist_entry *entry)
{
if (!entry ||
string_is_empty(entry->core_path) ||
string_is_empty(entry->core_name) ||
string_is_equal(entry->core_path, "DETECT") ||
string_is_equal(entry->core_name, "DETECT"))
return false;
return true;
}
/* Fetches core info object corresponding to the
* currently associated core of the specified
* playlist entry.
* Returns NULL if entry does not have a valid
* core association */
core_info_t *playlist_entry_get_core_info(const struct playlist_entry* entry)
{
core_info_ctx_find_t core_info;
if (!playlist_entry_has_core(entry))
return NULL;
/* Search for associated core */
core_info.inf = NULL;
core_info.path = entry->core_path;
if (core_info_find(&core_info))
return core_info.inf;
return NULL;
}
/* Fetches core info object corresponding to the
* currently associated default core of the
* specified playlist.
* Returns NULL if playlist does not have a valid
* default core association */
core_info_t *playlist_get_default_core_info(playlist_t* playlist)
{
core_info_ctx_find_t core_info;
if (!playlist ||
string_is_empty(playlist->default_core_path) ||
string_is_empty(playlist->default_core_name) ||
string_is_equal(playlist->default_core_path, "DETECT") ||
string_is_equal(playlist->default_core_name, "DETECT"))
return NULL;
/* Search for associated core */
core_info.inf = NULL;
core_info.path = playlist->default_core_path;
if (core_info_find(&core_info))
return core_info.inf;
return NULL;
}
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