gboolean dls_server_get_object_info(const gchar *object_path,
gchar **root_path,
gchar **object_id,
dls_device_t **device,
GError **error)
{
if (!dls_path_get_path_and_id(object_path, root_path, object_id,
error)) {
DLEYNA_LOG_WARNING("Bad object %s", object_path);
goto on_error;
}
*device = dls_device_from_path(*root_path,
dls_upnp_get_device_udn_map(g_context.upnp));
if (*device == NULL) {
*device = dls_device_from_path(*root_path,
dls_upnp_get_sleeping_device_udn_map(
g_context.upnp));
}
if (*device == NULL) {
DLEYNA_LOG_WARNING("Cannot locate device for %s", *root_path);
*error = g_error_new(DLEYNA_SERVER_ERROR,
DLEYNA_ERROR_OBJECT_NOT_FOUND,
"Cannot locate device corresponding to"
" the specified path");
g_free(*root_path);
g_free(*object_id);
goto on_error;
}
return TRUE;
on_error:
return FALSE;
}
gchar *dls_search_translate_search_string(GHashTable *filter_map,
const gchar *search_string)
{
GRegex *reg;
gchar *retval = NULL;
GMatchInfo *match_info = NULL;
gchar *prop = NULL;
gchar *op = NULL;
gchar *value = NULL;
const gchar *translated_value;
gchar *translated_type_ex;
dls_prop_map_t *prop_map;
GString *str;
gint start_pos;
gint end_pos;
gint old_end_pos = 0;
unsigned int skipped;
unsigned int search_string_len = strlen(search_string);
gchar *root_path;
gchar *id;
reg = g_regex_new("(\\w+)\\s+(=|!=|<|<=|>|>|contains|doesNotContain|"\
"derivedfrom|exists)\\s+"\
"(\"[^\"]*\"|true|false)",
0, 0, NULL);
str = g_string_new("");
g_regex_match(reg, search_string, 0, &match_info);
while (g_match_info_matches(match_info)) {
prop = g_match_info_fetch(match_info, 1);
if (!prop)
goto on_error;
op = g_match_info_fetch(match_info, 2);
if (!op)
goto on_error;
value = g_match_info_fetch(match_info, 3);
if (!value)
goto on_error;
/* Handle special cases where we need to translate
value as well as property name */
if (!strcmp(prop, DLS_INTERFACE_PROP_TYPE)) {
/* Skip the quotes */
value[strlen(value) - 1] = 0;
translated_value = dls_props_media_spec_to_upnp_class(
value + 1);
if (!translated_value)
goto on_error;
g_free(value);
value = g_strdup_printf("\"%s\"", translated_value);
} else if (!strcmp(prop, DLS_INTERFACE_PROP_TYPE_EX)) {
/* Skip the quotes */
value[strlen(value) - 1] = 0;
translated_type_ex =
dls_props_media_spec_ex_to_upnp_class(
value + 1);
if (!translated_type_ex)
goto on_error;
g_free(value);
value = g_strdup_printf("\"%s\"", translated_type_ex);
g_free(translated_type_ex);
} else if (!strcmp(prop, DLS_INTERFACE_PROP_PARENT) ||
!strcmp(prop, DLS_INTERFACE_PROP_PATH)) {
value[strlen(value) - 1] = 0;
if (!dls_path_get_path_and_id(value + 1, &root_path,
&id, NULL))
goto on_error;
g_free(root_path);
g_free(value);
value = g_strdup_printf("\"%s\"", id);
g_free(id);
}
prop_map = g_hash_table_lookup(filter_map, prop);
if (!prop_map)
goto on_error;
if (!prop_map->searchable)
goto on_error;
if (!g_match_info_fetch_pos(match_info, 0, &start_pos,
&end_pos))
goto on_error;
skipped = start_pos - old_end_pos;
if (skipped > 0)
g_string_append_len(str, &search_string[old_end_pos],
skipped);
g_string_append_printf(str, "%s %s %s",
prop_map->upnp_prop_name, op, value);
old_end_pos = end_pos;
g_free(value);
g_free(prop);
g_free(op);
value = NULL;
prop = NULL;
op = NULL;
g_match_info_next(match_info, NULL);
}
skipped = search_string_len - old_end_pos;
if (skipped > 0)
g_string_append_len(str, &search_string[old_end_pos],
skipped);
retval = g_string_free(str, FALSE);
str = NULL;
on_error:
g_free(value);
g_free(prop);
g_free(op);
if (match_info)
g_match_info_free(match_info);
if (str)
g_string_free(str, TRUE);
g_regex_unref(reg);
return retval;
}
