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RetroArch/playlist.c
twinaphex 37a6a205e3 Buildfix
2019-07-09 02:03:20 +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 <libretro.h>
#include <boolean.h>
#include <retro_assert.h>
#include <compat/posix_string.h>
#include <string/stdstring.h>
#include <streams/interface_stream.h>
#include <streams/file_stream.h>
#include <file/file_path.h>
#include <lists/string_list.h>
#include <formats/jsonsax_full.h>
#include "playlist.h"
#include "verbosity.h"
#include "configuration.h"
#include "file_path_special.h"
#ifndef PLAYLIST_ENTRIES
#define PLAYLIST_ENTRIES 6
#endif
struct content_playlist
{
bool modified;
size_t size;
size_t cap;
char *conf_path;
char *default_core_path;
char *default_core_name;
struct playlist_entry *entries;
};
typedef struct
{
JSON_Parser parser;
JSON_Writer writer;
RFILE *file;
playlist_t *playlist;
struct playlist_entry *current_entry;
unsigned array_depth;
unsigned object_depth;
char **current_entry_val;
int *current_entry_int_val;
unsigned *current_entry_uint_val;
struct string_list **current_entry_string_list_val;
char *current_meta_string;
char **current_meta_val;
char *current_items_string;
bool in_items;
bool in_subsystem_roms;
} JSONContext;
static playlist_t *playlist_cached = NULL;
typedef int (playlist_sort_fun_t)(
const struct playlist_entry *a,
const struct playlist_entry *b);
/**
* 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)
{
bool real_path_is_compressed;
bool entry_real_path_is_compressed;
char entry_real_path[PATH_MAX_LENGTH];
#ifdef RARCH_INTERNAL
settings_t *settings = config_get_ptr();
#endif
entry_real_path[0] = '\0';
/* Sanity check */
if (string_is_empty(real_path) || string_is_empty(entry_path))
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));
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 (!settings || !settings->bools.playlist_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, file_path_str(FILE_PATH_DETECT)))
path_resolve_realpath(entry_real_core_path, sizeof(entry_real_core_path));
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->conf_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_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)
{
if (!playlist)
return;
playlist->size = playlist->size - 1;
memmove(playlist->entries + idx, playlist->entries + idx + 1,
(playlist->size - idx) * sizeof(struct playlist_entry));
playlist->modified = true;
}
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));
for (i = 0; i < playlist->size; i++)
{
if (!playlist_path_equal(real_search_path, playlist->entries[i].path))
continue;
*entry = &playlist->entries[i];
break;
}
}
bool playlist_entry_exists(playlist_t *playlist,
const char *path,
const char *crc32)
{
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));
for (i = 0; i < playlist->size; i++)
if (playlist_path_equal(real_search_path, playlist->entries[i].path))
return true;
return false;
}
/**
* 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->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->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;
}
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;
}
}
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));
}
/* Get 'real' core path */
strlcpy(real_core_path, entry->core_path, sizeof(real_core_path));
if (!string_is_equal(real_core_path, file_path_str(FILE_PATH_DETECT)))
path_resolve_realpath(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;
}
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);
/* 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->cap)
{
struct playlist_entry *last_entry = &playlist->entries[playlist->cap - 1];
if (last_entry)
playlist_free_entry(last_entry);
playlist->size--;
}
if (playlist->entries)
{
memmove(playlist->entries + 1, playlist->entries,
(playlist->cap - 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->size++;
success:
playlist->modified = true;
return true;
}
/**
* 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));
path_resolve_realpath(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, file_path_str(FILE_PATH_DETECT)))
path_resolve_realpath(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);
/* 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));
}
if (!playlist_path_equal(real_rom_path, roms->elems[j].data))
{
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 == NULL) && !string_is_empty(entry->label))
{
playlist->entries[i].label = strdup(entry->label);
entry_updated = true;
}
if ((playlist->entries[i].crc32 == NULL) && !string_is_empty(entry->crc32))
{
playlist->entries[i].crc32 = strdup(entry->crc32);
entry_updated = true;
}
if ((playlist->entries[i].db_name == NULL) && !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->cap)
{
struct playlist_entry *entry = &playlist->entries[playlist->cap - 1];
if (entry)
playlist_free_entry(entry);
playlist->size--;
}
if (playlist->entries)
{
memmove(playlist->entries + 1, playlist->entries,
(playlist->cap - 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].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 filestream_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;
RFILE *file = NULL;
JSONContext context = {0};
if (!playlist || !playlist->modified)
return;
file = filestream_open(playlist->conf_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->conf_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,
strlen(playlist->entries[i].core_path), 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;
RARCH_LOG("Written to playlist file: %s\n", playlist->conf_path);
end:
filestream_close(file);
}
void playlist_write_file(playlist_t *playlist)
{
size_t i;
RFILE *file = NULL;
#ifdef RARCH_INTERNAL
settings_t *settings = config_get_ptr();
#endif
if (!playlist || !playlist->modified)
return;
file = filestream_open(playlist->conf_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->conf_path);
return;
}
#ifdef RARCH_INTERNAL
if (settings->bools.playlist_use_old_format)
{
for (i = 0; i < playlist->size; i++)
filestream_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_name,
playlist->entries[i].crc32 ? playlist->entries[i].crc32 : "",
playlist->entries[i].db_name ? playlist->entries[i].db_name : ""
);
/* Add default core assignment 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 */
if (!string_is_empty(playlist->default_core_path) &&
!string_is_empty(playlist->default_core_name))
{
filestream_printf(file, "default_core_path = \"%s\"\ndefault_core_name = \"%s\"\n",
playlist->default_core_path,
playlist->default_core_name
);
}
}
else
#endif
{
JSONContext context = {0};
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, "1.1",
STRLEN_CONST("1.1"), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 2);
JSON_Writer_WriteString(context.writer, "default_core_path",
STRLEN_CONST("default_core_path"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(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_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 2);
JSON_Writer_WriteString(context.writer, "default_core_name",
STRLEN_CONST("default_core_name"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(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_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, "label",
STRLEN_CONST("label"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(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_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,
strlen(playlist->entries[i].core_path), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "core_name",
STRLEN_CONST("core_name"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteString(context.writer,
playlist->entries[i].core_name,
strlen(playlist->entries[i].core_name), JSON_UTF8);
JSON_Writer_WriteComma(context.writer);
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "crc32",
STRLEN_CONST("crc32"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(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_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "db_name",
STRLEN_CONST("db_name"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(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_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "subsystem_ident",
STRLEN_CONST("subsystem_ident"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(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_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "subsystem_name",
STRLEN_CONST("subsystem_name"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(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_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteString(context.writer, "subsystem_roms",
STRLEN_CONST("subsystem_roms"), JSON_UTF8);
JSON_Writer_WriteColon(context.writer);
JSON_Writer_WriteSpace(context.writer, 1);
JSON_Writer_WriteStartArray(context.writer);
JSON_Writer_WriteNewLine(context.writer);
for (j = 0; j < playlist->entries[i].subsystem_roms->size; j++)
{
const struct string_list *roms = playlist->entries[i].subsystem_roms;
JSON_Writer_WriteSpace(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_Writer_WriteNewLine(context.writer);
}
}
JSON_Writer_WriteNewLine(context.writer);
JSON_Writer_WriteSpace(context.writer, 6);
JSON_Writer_WriteEndArray(context.writer);
}
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;
RARCH_LOG("Written to playlist file: %s\n", playlist->conf_path);
end:
filestream_close(file);
}
/**
* playlist_free:
* @playlist : Playlist handle.
*
* Frees playlist handle.
*/
void playlist_free(playlist_t *playlist)
{
size_t i;
if (!playlist)
return;
if (playlist->conf_path != NULL)
free(playlist->conf_path);
playlist->conf_path = NULL;
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;
}
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)
{
if (pCtx->playlist->size < pCtx->playlist->cap)
pCtx->current_entry = &pCtx->playlist->entries[pCtx->playlist->size];
else
/* hit max item limit */
return JSON_Parser_Abort;
}
}
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->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
{
/* must be a value for an unknown member we aren't tracking, skip it */
}
}
}
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 */
/*RARCH_LOG("found meta: %s = %s\n", pCtx->current_meta_string, pValue);*/
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
{
/* must be a value for an unknown member we aren't tracking, skip it */
}
}
}
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 */
/*RARCH_LOG("found meta: %s = %s\n", pCtx->current_meta_string, pValue);*/
free(pCtx->current_meta_string);
pCtx->current_meta_string = NULL;
}
}
}
pCtx->current_entry_int_val = NULL;
pCtx->current_entry_uint_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 (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_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_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_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
{
/* ignore unknown members */
}
}
}
}
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
{
/* ignore unknown members */
}
}
}
}
return JSON_Parser_Continue;
}
static void get_old_format_metadata_value(
char *metadata_line, char *value, size_t len)
{
char *start = NULL;
char *end = NULL;
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, const char *path)
{
unsigned i;
bool new_format = true;
RFILE *file = filestream_open(path,
RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
/* If playlist file does not exist,
* create an empty playlist instead.
*/
if (!file)
return true;
/* Detect format of playlist */
{
char test_char = 0;
/* Read file until we find the first non-whitespace
* ASCII character */
while ((test_char <= 0x20) || (test_char >= 0x7F))
{
test_char = filestream_getc(file);
/* Sanity check:
* - If filestream_getc() returns 0, stream is invalid
* - If filestream_getc() returns EOF, then no non-whitespace
* ASCII characters were found */
if ((test_char == 0) || (test_char == EOF))
goto end;
}
if (test_char == '{')
{
/* New playlist format detected */
/*RARCH_LOG("New playlist format detected.\n");*/
new_format = true;
}
else
{
/* old playlist format detected */
/*RARCH_LOG("Old playlist format detected.\n");*/
new_format = false;
}
/* Reset file to start */
filestream_seek(file, 0, SEEK_SET);
}
if (new_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 (!filestream_eof(file))
{
char chunk[4096] = {0};
int64_t length = filestream_read(file, chunk, sizeof(chunk));
if (!length && !filestream_eof(file))
{
RARCH_WARN("Could not read JSON input.\n");
JSON_Parser_Free(context.parser);
goto end;
}
if (!JSON_Parser_Parse(context.parser, chunk, length, JSON_False))
{
RARCH_WARN("Error parsing chunk:\n---snip---\n%s\n---snip---\n", chunk);
JSONLogError(&context);
JSON_Parser_Free(context.parser);
goto end;
}
}
if (!JSON_Parser_Parse(context.parser, NULL, 0, JSON_True))
{
RARCH_WARN("Error parsing JSON.\n");
JSONLogError(&context);
JSON_Parser_Free(context.parser);
goto end;
}
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 buf[PLAYLIST_ENTRIES][1024] = {{0}};
char metadata_line[1024];
char default_core_path[1024];
char default_core_name[1024];
char metadata_char;
size_t metadata_counter;
for (i = 0; i < PLAYLIST_ENTRIES; i++)
buf[i][0] = '\0';
metadata_line[0] = '\0';
default_core_path[0] = '\0';
default_core_name[0] = '\0';
metadata_char = 0;
metadata_counter = 0;
/* Attempt to read metadata lines at end of file */
filestream_seek(file, -1, SEEK_END);
if (filestream_error(file))
goto end;
/* > Exclude trailing newline */
metadata_char = filestream_getc(file);
while((metadata_char == '\n') ||
(metadata_char == '\r'))
{
filestream_seek(file, -2, SEEK_CUR);
if (filestream_error(file))
goto end;
metadata_char = filestream_getc(file);
}
/* Search backwards for the next two newlines */
while(metadata_counter < 2)
{
filestream_seek(file, -2, SEEK_CUR);
if (filestream_error(file))
goto end;
metadata_char = filestream_getc(file);
if (metadata_char == '\n')
metadata_counter++;
}
/* > Get default_core_path */
if (!filestream_gets(file, metadata_line, sizeof(metadata_line)))
goto end;
if (strncmp("default_core_path",
metadata_line,
STRLEN_CONST("default_core_path")) == 0)
get_old_format_metadata_value(
metadata_line, default_core_path, sizeof(default_core_path));
/* > Get default_core_name */
if (!filestream_gets(file, metadata_line, sizeof(metadata_line)))
goto end;
if (strncmp("default_core_name",
metadata_line,
STRLEN_CONST("default_core_name")) == 0)
get_old_format_metadata_value(
metadata_line, default_core_name, sizeof(default_core_name));
/* > Populate playlist fields, if required */
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);
}
/* Read playlist entries */
filestream_seek(file, 0, SEEK_SET);
if (filestream_error(file))
goto end;
for (playlist->size = 0; playlist->size < playlist->cap; )
{
unsigned i;
struct playlist_entry *entry = NULL;
for (i = 0; i < PLAYLIST_ENTRIES; i++)
{
char *last = NULL;
*buf[i] = '\0';
if (!filestream_gets(file, buf[i], sizeof(buf[i])))
goto end;
/* Read playlist entry and terminate string with NUL character
* regardless of Windows or Unix line endings
*/
if ((last = strrchr(buf[i], '\r')))
*last = '\0';
else if ((last = strrchr(buf[i], '\n')))
*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]);
if (*buf[5])
entry->db_name = strdup(buf[5]);
playlist->size++;
}
}
end:
filestream_close(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 char *path, size_t size)
{
playlist_t *playlist = playlist_init(path, size);
if (!playlist)
return false;
playlist_cached = playlist;
return true;
}
/**
* 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
**/
playlist_t *playlist_init(const char *path, size_t size)
{
struct playlist_entry *entries = NULL;
playlist_t *playlist = (playlist_t*)malloc(sizeof(*playlist));
if (!playlist)
return NULL;
entries = (struct playlist_entry*)calloc(size, sizeof(*entries));
if (!entries)
{
free(playlist);
return NULL;
}
playlist->modified = false;
playlist->size = 0;
playlist->cap = size;
playlist->conf_path = strdup(path);
playlist->default_core_name = NULL;
playlist->default_core_path = NULL;
playlist->entries = entries;
playlist_read_file(playlist, path);
return playlist;
}
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))
{
if (string_is_empty(a->path))
goto end;
a_fallback_label = (char*)calloc(PATH_MAX_LENGTH, sizeof(char));
if (!a_fallback_label)
goto end;
fill_short_pathname_representation(a_fallback_label, a->path, PATH_MAX_LENGTH * sizeof(char));
if (string_is_empty(a_fallback_label))
goto end;
a_str = a_fallback_label;
}
if (string_is_empty(b_str))
{
if (string_is_empty(b->path))
goto end;
b_fallback_label = (char*)calloc(PATH_MAX_LENGTH, sizeof(char));
if (!b_fallback_label)
goto end;
fill_short_pathname_representation(b_fallback_label, b->path, PATH_MAX_LENGTH * sizeof(char));
if (string_is_empty(b_fallback_label))
goto end;
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)
{
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));
}
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->conf_path);
/* Only use file basename if this is a 'collection' playlist
* (i.e. ignore history/favourites) */
if (!string_is_empty(conf_path_basename) &&
!string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_FAVORITES)) &&
!string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_HISTORY)) &&
!string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_IMAGE_HISTORY)) &&
!string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_MUSIC_HISTORY)) &&
!string_is_equal(conf_path_basename, file_path_str(FILE_PATH_CONTENT_VIDEO_HISTORY)))
*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;
}
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, file_path_str(FILE_PATH_DETECT)))
path_resolve_realpath(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;
}
}
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