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/*
* ProFTPD - FTP server daemon
* Copyright (c) 2017 The ProFTPD Project team
*
* 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, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, The ProFTPD Project team and other respective
* copyright holders give permission to link this program with OpenSSL, and
* distribute the resulting executable, without including the source code for
* OpenSSL in the source distribution.
*/
/* JSON API */
#ifndef PR_JSON_H
#define PR_JSON_H
#include "conf.h"
typedef struct json_list_st pr_json_array_t;
typedef struct json_obj_st pr_json_object_t;
/* JSON Types */
#define PR_JSON_TYPE_BOOL 1
#define PR_JSON_TYPE_NUMBER 2
#define PR_JSON_TYPE_NULL 3
#define PR_JSON_TYPE_STRING 4
#define PR_JSON_TYPE_ARRAY 5
#define PR_JSON_TYPE_OBJECT 6
/* JSON Objects */
pr_json_object_t *pr_json_object_alloc(pool *p);
int pr_json_object_free(pr_json_object_t *json);
pr_json_object_t *pr_json_object_from_text(pool *p, const char *text);
char *pr_json_object_to_text(pool *p, const pr_json_object_t *json,
const char *indent);
/* Returns the number of members (keys) in the given object. */
int pr_json_object_count(const pr_json_object_t *json);
/* Removes the object member under this key. */
int pr_json_object_remove(pr_json_object_t *json, const char *key);
/* Checks where a member under the given key exists. Returns TRUE, FALSE,
* or -1 is there was some other error.
*/
int pr_json_object_exists(const pr_json_object_t *json, const char *key);
int pr_json_object_get_bool(pool *p, const pr_json_object_t *json,
const char *key, int *val);
int pr_json_object_set_bool(pool *p, pr_json_object_t *json, const char *key,
int val);
int pr_json_object_get_null(pool *p, const pr_json_object_t *json,
const char *key);
int pr_json_object_set_null(pool *p, pr_json_object_t *json, const char *key);
int pr_json_object_get_number(pool *p, const pr_json_object_t *json,
const char *key, double *val);
int pr_json_object_set_number(pool *p, pr_json_object_t *json, const char *key,
double val);
int pr_json_object_get_string(pool *p, const pr_json_object_t *json,
const char *key, char **val);
int pr_json_object_set_string(pool *p, pr_json_object_t *json, const char *key,
const char *val);
int pr_json_object_get_array(pool *p, const pr_json_object_t *json,
const char *key, pr_json_array_t **val);
int pr_json_object_set_array(pool *p, pr_json_object_t *json, const char *key,
const pr_json_array_t *val);
int pr_json_object_get_object(pool *p, const pr_json_object_t *json,
const char *key, pr_json_object_t **val);
int pr_json_object_set_object(pool *p, pr_json_object_t *json, const char *key,
const pr_json_object_t *val);
/* JSON Arrays */
pr_json_array_t *pr_json_array_alloc(pool *p);
int pr_json_array_free(pr_json_array_t *json);
pr_json_array_t *pr_json_array_from_text(pool *p, const char *text);
char *pr_json_array_to_text(pool *p, const pr_json_array_t *json,
const char *indent);
/* Returns the number of items in the given array. */
int pr_json_array_count(const pr_json_array_t *json);
/* Removes the array item under this key. */
int pr_json_array_remove(pr_json_array_t *json, unsigned int idx);
/* Checks where an item at the given index exists. Returns TRUE, FALSE,
* or -1 is there was some other error.
*/
int pr_json_array_exists(const pr_json_array_t *json, unsigned int idx);
int pr_json_array_append_bool(pool *p, pr_json_array_t *json, int val);
int pr_json_array_get_bool(pool *p, const pr_json_array_t *json,
unsigned int idx, int *val);
int pr_json_array_append_null(pool *p, pr_json_array_t *json);
int pr_json_array_get_null(pool *p, const pr_json_array_t *json,
unsigned int idx);
int pr_json_array_append_number(pool *p, pr_json_array_t *json, double val);
int pr_json_array_get_number(pool *p, const pr_json_array_t *json,
unsigned int idx, double *val);
int pr_json_array_append_string(pool *p, pr_json_array_t *json,
const char *val);
int pr_json_array_get_string(pool *p, const pr_json_array_t *json,
unsigned int idx, char **val);
int pr_json_array_append_array(pool *p, pr_json_array_t *json,
const pr_json_array_t *val);
int pr_json_array_get_array(pool *p, const pr_json_array_t *json,
unsigned int idx, pr_json_array_t **val);
int pr_json_array_append_object(pool *p, pr_json_array_t *json,
const pr_json_object_t *val);
int pr_json_array_get_object(pool *p, const pr_json_array_t *json,
unsigned int idx, pr_json_object_t **val);
/* Miscellaneous */
/* Validates that the given text is a valid JSON string. */
int pr_json_text_validate(pool *p, const char *text);
/* Provides textual label of the JSON type. */
const char *pr_json_type_name(unsigned int json_type);
/* Internal use only. */
int init_json(void);
int finish_json(void);
#endif /* PR_JSON_H */