nim-status/test/c/nxjson.h

65 lines
2.4 KiB
C

/*
* Copyright (c) 2013 Yaroslav Stavnichiy <yarosla@gmail.com>
*
* This file is part of NXJSON.
*
* NXJSON is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* NXJSON 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with NXJSON. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef NXJSON_H
#define NXJSON_H
#ifdef __cplusplus
extern "C" {
#endif
typedef enum nx_json_type {
NX_JSON_NULL, // this is null value
NX_JSON_OBJECT, // this is an object; properties can be found in child nodes
NX_JSON_ARRAY, // this is an array; items can be found in child nodes
NX_JSON_STRING, // this is a string; value can be found in text_value field
NX_JSON_INTEGER, // this is an integer; value can be found in int_value field
NX_JSON_DOUBLE, // this is a double; value can be found in dbl_value field
NX_JSON_BOOL // this is a boolean; value can be found in int_value field
} nx_json_type;
typedef struct nx_json {
nx_json_type type; // type of json node, see above
const char* key; // key of the property; for object's children only
const char* text_value; // text value of STRING node
long long int_value; // the value of INTEGER or BOOL node
double dbl_value; // the value of DOUBLE node
int length; // number of children of OBJECT or ARRAY
struct nx_json* child; // points to first child
struct nx_json* next; // points to next child
struct nx_json* last_child;
} nx_json;
typedef int (*nx_json_unicode_encoder)(unsigned int codepoint, char* p, char** endp);
extern nx_json_unicode_encoder nx_json_unicode_to_utf8;
const nx_json* nx_json_parse(char* text, nx_json_unicode_encoder encoder);
const nx_json* nx_json_parse_utf8(char* text);
void nx_json_free(const nx_json* js);
const nx_json* nx_json_get(const nx_json* json, const char* key); // get object's property by key
const nx_json* nx_json_item(const nx_json* json, int idx); // get array element by index
#ifdef __cplusplus
}
#endif
#endif /* NXJSON_H */