bool core_info_does_support_file(const core_info_t *core, const char *path)
{
if (!path || !core || !core->supported_extensions_list)
return false;
return string_list_find_elem_prefix(core->supported_extensions_list, ".", path_get_extension(path));
}
bool core_info_does_support_any_file(const core_info_t *core, const struct string_list *list)
{
size_t i;
if (!list || !core || !core->supported_extensions_list)
return false;
for (i = 0; i < list->size; i++)
if (string_list_find_elem_prefix(core->supported_extensions_list, ".", path_get_extension(list->elems[i].data)))
return true;
return false;
}
static int file_archive_get_file_list_cb(
const char *path,
const char *valid_exts,
const uint8_t *cdata,
unsigned cmode,
uint32_t csize,
uint32_t size,
uint32_t checksum,
void *userdata)
{
union string_list_elem_attr attr;
struct string_list *ext_list = NULL;
const char *file_ext = NULL;
struct string_list *list = (struct string_list*)userdata;
(void)cdata;
(void)cmode;
(void)csize;
(void)size;
(void)checksum;
(void)valid_exts;
(void)file_ext;
(void)ext_list;
memset(&attr, 0, sizeof(attr));
if (valid_exts)
ext_list = string_split(valid_exts, "|");
if (ext_list)
{
/* Checks if this entry is a directory or a file. */
char last_char = path[strlen(path)-1];
/* Skip if directory. */
if (last_char == '/' || last_char == '\\' )
goto error;
file_ext = path_get_extension(path);
if (!file_ext ||
!string_list_find_elem_prefix(ext_list, ".", file_ext))
goto error;
attr.i = RARCH_COMPRESSED_FILE_IN_ARCHIVE;
string_list_free(ext_list);
}
return string_list_append(list, path, attr);
error:
string_list_free(ext_list);
return 0;
}
/**
* parse_dir_entry:
* @name : name of the directory listing entry.
* @file_path : file path of the directory listing entry.
* @is_dir : is the directory listing a directory?
* @include_dirs : include directories as part of the finished directory listing?
* @include_compressed : Include compressed files, even if not part of ext_list.
* @list : pointer to directory listing.
* @ext_list : pointer to allowed file extensions listing.
* @file_ext : file extension of the directory listing entry.
*
* Parses a directory listing.
*
* Returns: zero on success, -1 on error, 1 if we should
* continue to the next entry in the directory listing.
**/
static int parse_dir_entry(const char *name, char *file_path,
bool is_dir, bool include_dirs, bool include_compressed,
struct string_list *list, struct string_list *ext_list,
const char *file_ext)
{
union string_list_elem_attr attr;
bool is_compressed_file = false;
bool supported_by_core = false;
attr.i = RARCH_FILETYPE_UNSET;
if (!is_dir)
{
is_compressed_file = path_is_compressed_file(file_path);
if (string_list_find_elem_prefix(ext_list, ".", file_ext))
supported_by_core = true;
}
if (!include_dirs && is_dir)
return 1;
if (!strcmp(name, ".") || !strcmp(name, ".."))
return 1;
if (!is_dir && ext_list &&
((!is_compressed_file && !supported_by_core) ||
(!supported_by_core && !include_compressed)))
return 1;
if (is_dir)
attr.i = RARCH_DIRECTORY;
if (is_compressed_file)
attr.i = RARCH_COMPRESSED_ARCHIVE;
/* The order of these ifs is important.
* If the file format is explicitly supported by the libretro-core, we
* need to immediately load it and not designate it as a compressed file.
*
* Example: .zip could be supported as a image by the core and as a
* compressed_file. In that case, we have to interpret it as a image.
*
* */
if (supported_by_core)
attr.i = RARCH_PLAIN_FILE;
if (!string_list_append(list, file_path, attr))
return -1;
return 0;
}
static struct string_list *compressed_7zip_file_list_new(
const char *path, const char* ext)
{
CFileInStream archiveStream;
CLookToRead lookStream;
CSzArEx db;
ISzAlloc allocImp;
ISzAlloc allocTempImp;
size_t temp_size = 0;
struct string_list *list = NULL;
/* These are the allocation routines - currently using
* the non-standard 7zip choices. */
allocImp.Alloc = SzAlloc;
allocImp.Free = SzFree;
allocTempImp.Alloc = SzAllocTemp;
allocTempImp.Free = SzFreeTemp;
if (InFile_Open(&archiveStream.file, path))
{
RARCH_ERR("Could not open %s as 7z archive.\n",path);
return NULL;
}
list = string_list_new();
if (!list)
{
File_Close(&archiveStream.file);
return NULL;
}
FileInStream_CreateVTable(&archiveStream);
LookToRead_CreateVTable(&lookStream, False);
lookStream.realStream = &archiveStream.s;
LookToRead_Init(&lookStream);
CrcGenerateTable();
SzArEx_Init(&db);
if (SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp) == SZ_OK)
{
uint32_t i;
struct string_list *ext_list = ext ? string_split(ext, "|"): NULL;
SRes res = SZ_OK;
uint16_t *temp = NULL;
for (i = 0; i < db.db.NumFiles; i++)
{
union string_list_elem_attr attr;
char infile[PATH_MAX_LENGTH];
const char *file_ext = NULL;
size_t len = 0;
bool supported_by_core = false;
const CSzFileItem *f = db.db.Files + i;
/* we skip over everything, which is a directory. */
if (f->IsDir)
continue;
len = SzArEx_GetFileNameUtf16(&db, i, NULL);
if (len > temp_size)
{
free(temp);
temp_size = len;
temp = (uint16_t *)malloc(temp_size * sizeof(temp[0]));
if (temp == 0)
{
res = SZ_ERROR_MEM;
break;
}
}
SzArEx_GetFileNameUtf16(&db, i, temp);
res = utf16_to_char_string(temp, infile, sizeof(infile))
? SZ_OK : SZ_ERROR_FAIL;
file_ext = path_get_extension(infile);
if (string_list_find_elem_prefix(ext_list, ".", file_ext))
supported_by_core = true;
/*
* Currently we only support files without subdirs in the archives.
* Folders are not supported (differences between win and lin.
* Archives within archives should imho never be supported.
*/
if (!supported_by_core)
continue;
attr.i = RARCH_COMPRESSED_FILE_IN_ARCHIVE;
if (!string_list_append(list, infile, attr))
{
res = SZ_ERROR_MEM;
break;
}
}
string_list_free(ext_list);
free(temp);
if (res != SZ_OK)
{
/* Error handling */
RARCH_ERR("Failed to open compressed_file: \"%s\"\n", path);
string_list_free(list);
list = NULL;
}
}
SzArEx_Free(&db, &allocImp);
File_Close(&archiveStream.file);
return list;
}
static bool folder_cb(const char *directory, rgui_file_enum_cb_t file_cb,
void *userdata, void *ctx)
{
bool core_chooser = (userdata) ? *(rgui_file_type_t *)userdata == RGUI_SETTINGS_CORE : false;
if (!*directory)
{
#ifdef HW_RVL
file_cb(ctx, "sd:", RGUI_FILE_DEVICE, 0);
file_cb(ctx, "usb:", RGUI_FILE_DEVICE, 0);
#endif
file_cb(ctx, "carda:", RGUI_FILE_DEVICE, 0);
file_cb(ctx, "cardb:", RGUI_FILE_DEVICE, 0);
return true;
}
#ifdef HW_RVL
LWP_MutexLock(gx_device_mutex);
int dev = gx_get_device_from_path(directory);
if (dev != -1 && !gx_devices[dev].mounted && gx_devices[dev].interface->isInserted())
fatMountSimple(gx_devices[dev].name, gx_devices[dev].interface);
LWP_MutexUnlock(gx_device_mutex);
#endif
char exts[256];
if (core_chooser)
strlcpy(exts, "dol|DOL", sizeof(exts));
else
strlcpy(exts, rarch_console_get_rom_ext(), sizeof(exts));
struct string_list *ext_list = string_split(exts, "|");
char _dir[PATH_MAX];
snprintf(_dir, sizeof(_dir), "%s/", directory);
DIR *dir = opendir(_dir);
if (!dir)
return false;
struct dirent *entry;
while ((entry = readdir(dir)))
{
char stat_path[PATH_MAX];
const char *file_ext = path_get_extension(entry->d_name);
snprintf(stat_path, sizeof(stat_path), "%s/%s", directory, entry->d_name);
bool is_dir;
#ifdef _DIRENT_HAVE_D_TYPE
is_dir = (entry->d_type == DT_DIR);
if (entry->d_type != DT_REG && !is_dir)
continue;
#else
struct stat st;
if (stat(stat_path, &st) < 0)
continue;
is_dir = S_ISDIR(st.st_mode);
if (!S_ISREG(st.st_mode) && !is_dir)
continue;
#endif
if (core_chooser && (is_dir || strcasecmp(entry->d_name, default_paths.salamander_file) == 0))
continue;
if (!is_dir && ext_list && !string_list_find_elem_prefix(ext_list, ".", file_ext))
continue;
file_cb(ctx,
entry->d_name,
is_dir ? RGUI_FILE_DIRECTORY : RGUI_FILE_PLAIN, 0);
}
closedir(dir);
string_list_free(ext_list);
return true;
}
static int file_archive_get_file_list_cb(
const char *path,
const char *valid_exts,
const uint8_t *cdata,
unsigned cmode,
uint32_t csize,
uint32_t size,
uint32_t checksum,
struct archive_extract_userdata *userdata)
{
union string_list_elem_attr attr;
int ret = 0;
struct string_list *ext_list = NULL;
size_t path_len = strlen(path);
(void)cdata;
(void)cmode;
(void)csize;
(void)size;
(void)checksum;
memset(&attr, 0, sizeof(attr));
if (!path_len)
return 0;
if (valid_exts)
ext_list = string_split(valid_exts, "|");
if (ext_list)
{
const char *file_ext = NULL;
/* Checks if this entry is a directory or a file. */
char last_char = path[path_len-1];
/* Skip if directory. */
if (last_char == '/' || last_char == '\\' )
goto error;
file_ext = path_get_extension(path);
if (!file_ext)
goto error;
if (!string_list_find_elem_prefix(ext_list, ".", file_ext))
{
/* keep iterating */
ret = -1;
goto error;
}
attr.i = RARCH_COMPRESSED_FILE_IN_ARCHIVE;
string_list_free(ext_list);
}
return string_list_append(userdata->list, path, attr);
error:
string_list_free(ext_list);
return ret;
}
