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2020-04-03 12:10:53 -07:00

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C

/*
* Based on json-parser by James McLaughlin. See original license below.
* For modifications see .c file.
*
* Copyright (C) 2012, 2013, 2014 James McLaughlin et al. All rights reserved.
* https://github.com/udp/json-parser
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
#include <inttypes.h>
#include <stdlib.h>
#define json_enable_comments 0x01
typedef enum
{
json_object,
json_array,
json_integer,
json_double,
json_string,
json_boolean,
json_null
} json_type;
typedef struct _json_object_entry
{
char * name;
struct _json_value * value;
} json_object_entry;
typedef struct _json_value
{
struct _json_value * parent;
json_type type;
union
{
int boolean;
int64_t integer;
double dbl;
struct
{
unsigned int length;
char * ptr; // null terminated
} string;
struct
{
unsigned int length;
json_object_entry * values; // While in the 1st pass, the parser uses this value to store the number of bytes needed to store all the names that will be referenced in the json_object_entries.
} object;
struct
{
unsigned int length;
struct _json_value ** values;
} array;
} u;
union
{
struct _json_value * next_alloc;
void * object_mem;
} _reserved;
// Location of the value in the source JSON
unsigned int line, col;
} json_value;
typedef char json_char;
json_value *json_parse(const char *json, size_t length);
#define json_error_max 128
json_value *json_parse_ex(const char *json,
size_t length,
char *error_buf);
void json_value_free(json_value *);