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/*
* (C) 2013 by Álvaro Neira Ayuso <alvaroneay@gmail.com>
*
* 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.
*/
#include <internal.h>
#include <stdlib.h>
#include <limits.h>
#include <stdint.h>
#include <stdbool.h>
#include <arpa/inet.h>
#include <errno.h>
#include <string.h>
#ifdef JSON_PARSING
static int nft_jansson_load_int_node(json_t *root, const char *tag,
json_int_t *val)
{
json_t *node;
node = json_object_get(root, tag);
if (node == NULL) {
errno = EINVAL;
return -1;
}
if (!json_is_integer(node)) {
errno = ERANGE;
return -1;
}
*val = json_integer_value(node);
return 0;
}
const char *nft_jansson_value_parse_str(json_t *root, const char *tag)
{
json_t *node;
const char *val;
node = json_object_get(root, tag);
if (node == NULL) {
errno = EINVAL;
return NULL;
}
val = json_string_value(node);
return val;
}
int nft_jansson_value_parse_val(json_t *root, const char *tag, int type,
void *out)
{
json_int_t val;
if (nft_jansson_load_int_node(root, tag, &val) == -1)
return -1;
if (nft_get_value(type, &val, out) == -1)
return -1;
return 0;
}
bool nft_jansson_node_exist(json_t *root, const char *tag)
{
return json_object_get(root, tag) != NULL;
}
json_t *nft_jansson_get_root(char *json, const char *tag, json_error_t *err)
{
json_t *root;
root = json_loadb(json, strlen(json), 0, err);
if (root == NULL) {
errno = EINVAL;
return NULL;
}
root = json_object_get(root, tag);
if (root == NULL) {
errno = EINVAL;
return NULL;
}
return root;
}
#endif
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