/*
* matrix-json.h: Convenience wrappers for libjson-glib
*
* This file contains wrappers for the libjson-glib library, which sanity-check
* their inputs and return NULL (as opposed to segfaulting and/or writing
* assertion warnings) if objects do not exist or are of the wrong type.
*
*
* This program 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 Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef MATRIX_JSON_H_
#define MATRIX_JSON_H_
#include <json-glib/json-glib.h>
/*
*/
/* node - returns NULL if node == NULL or *node is of the wrong type */
const gchar *matrix_json_node_get_string(JsonNode *node);
gint64 matrix_json_node_get_int(JsonNode *node);
JsonObject *matrix_json_node_get_object(JsonNode *node);
JsonArray *matrix_json_node_get_array(JsonNode *node);
/* object - returns NULL if object == NULL, member_name does not exist,
* or object[member_name] is of the wrong type
*/
JsonNode *matrix_json_object_get_member(JsonObject *object,
const gchar *member_name);
const gchar *matrix_json_object_get_string_member(JsonObject *object,
const gchar *member_name);
gint64 matrix_json_object_get_int_member(JsonObject *object,
const gchar *member_name);
JsonObject *matrix_json_object_get_object_member(JsonObject *object,
const gchar *member_name);
JsonArray *matrix_json_object_get_array_member(JsonObject *object,
const gchar *member_name);
/* array - returns NULL if array == NULL, len(array) <= index, or
* array[index] is the wrong type
*/
JsonNode *matrix_json_array_get_element(JsonArray *array,
guint index);
const gchar *matrix_json_array_get_string_element(JsonArray *array,
guint index);
/* Produce a canonicalised string as defined in
* https://matrix.org/speculator/spec/drafts%2Fe2e/appendices.html#canonical-json
*/
GString *matrix_canonical_json(JsonObject *object);
/* Decode a json web signature (JWS) which is almost base64,
* its needs _ -> / and - -> + and some = padding.
* as https://tools.ietf.org/html/draft-ietf-jose-json-web-signature-41#appendix-C
* The output buffer should be upto 3 bytes longer than the input
* depending on the amount of = padding needed.
*/
void matrix_json_jws_tobase64(gchar *out, const gchar *in);
/* Just dump the Json with the string prefix for debugging */
void matrix_debug_jsonobject(const char *reason, JsonObject *object);
#endif /* MATRIX_JSON_H_ */
