int file_archive_parse_file_iterate(
file_archive_transfer_t *state,
bool *returnerr,
const char *file,
const char *valid_exts,
file_archive_file_cb file_cb,
void *userdata)
{
if (!state)
return -1;
switch (state->type)
{
case ZLIB_TRANSFER_NONE:
break;
case ZLIB_TRANSFER_INIT:
if (file_archive_parse_file_init(state, file) == 0)
state->type = ZLIB_TRANSFER_ITERATE;
else
state->type = ZLIB_TRANSFER_DEINIT_ERROR;
break;
case ZLIB_TRANSFER_ITERATE:
{
int ret = file_archive_parse_file_iterate_step(state,
valid_exts, userdata, file_cb);
if (ret != 1)
state->type = ZLIB_TRANSFER_DEINIT;
if (ret == -1)
state->type = ZLIB_TRANSFER_DEINIT_ERROR;
}
break;
case ZLIB_TRANSFER_DEINIT_ERROR:
*returnerr = false;
case ZLIB_TRANSFER_DEINIT:
if (state->handle)
file_archive_free(state->handle);
state->handle = NULL;
break;
}
if (state->type == ZLIB_TRANSFER_DEINIT ||
state->type == ZLIB_TRANSFER_DEINIT_ERROR)
return -1;
return 0;
}
int file_archive_parse_file_iterate(
file_archive_transfer_t *state,
bool *returnerr,
const char *file,
const char *valid_exts,
file_archive_file_cb file_cb,
struct archive_extract_userdata *userdata)
{
if (!state)
return -1;
switch (state->type)
{
case ARCHIVE_TRANSFER_NONE:
break;
case ARCHIVE_TRANSFER_INIT:
if (file_archive_parse_file_init(state, file) == 0)
{
if (userdata)
{
userdata->context = state->stream;
strlcpy(userdata->archive_path, file,
sizeof(userdata->archive_path));
}
state->type = ARCHIVE_TRANSFER_ITERATE;
}
else
state->type = ARCHIVE_TRANSFER_DEINIT_ERROR;
break;
case ARCHIVE_TRANSFER_ITERATE:
if (file_archive_get_file_backend(file))
{
const struct file_archive_file_backend *backend =
file_archive_get_file_backend(file);
int ret =
backend->archive_parse_file_iterate_step(state,
valid_exts, userdata, file_cb);
if (ret != 1)
state->type = ARCHIVE_TRANSFER_DEINIT;
if (ret == -1)
state->type = ARCHIVE_TRANSFER_DEINIT_ERROR;
/* early return to prevent deinit from never firing */
return 0;
}
return -1;
case ARCHIVE_TRANSFER_DEINIT_ERROR:
*returnerr = false;
case ARCHIVE_TRANSFER_DEINIT:
if (state->handle)
{
file_archive_free(state->handle);
state->handle = NULL;
}
if (state->stream && state->backend)
{
if (state->backend->stream_free)
state->backend->stream_free(state->stream);
if (state->stream)
free(state->stream);
state->stream = NULL;
if (userdata)
userdata->context = NULL;
}
break;
}
if ( state->type == ARCHIVE_TRANSFER_DEINIT ||
state->type == ARCHIVE_TRANSFER_DEINIT_ERROR)
return -1;
return 0;
}
