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json.h
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/*
json.h - public domain - Micha Mettke
ABOUT:
This is a single header JSON parser header and implementation without
any dependencies (even the standard library),
string memory allocation or complex tree generation.
Instead this library focuses on parsing tokens from a previously
loaded in memory JSON file. Each token thereby references the JSON file
string and limits the allocation to the initial JSON file instead of
allocating a new string for each token.
QUICK:
To use this file do:
#define JSON_IMPLEMENTATION
before you include this file in *one* C or C++ file to create the implementation
If you want to keep the implementation in that file you have to do
#define JSON_STATIC before including this file
If you want to use asserts to add validation add
#define JSON_ASSERT before including this file
To overwrite the default seperator character used inside
the query functions
#define JSON_DELIMITER (character) before including this file
USAGE:
This file behaves differently depending on what symbols you define
before including it.
Header-File mode:
If you do not define JSON_IMPLEMENTATION before including this file, it
will operate in header only mode. In this mode it declares all used structs
and the API of the library without including the implementation of the library.
Implementation mode:
If you define JSON_IMPLEMENTATIOn before including this file, it will
compile the implementation of the JSON parser. To specify the visibility
as private and limit all symbols inside the implementation file
you can define JSON_STATIC before including this file.
Make sure that you only include this file implementation in *one* C or C++ file
to prevent collisions.
EXAMPLES:*/
#if 0
/* Parser example */
const char *json = "{...}";
size_t len = strlen(json);
/* load content into token array */
size_t read = 0;
size_t num = json_num(json, len);
struct json_token *toks = calloc(num, sizeof(struct json_token));
json_load(toks, num, &read, json, len);
/* query token */
struct json_token *t0 = json_query(toks, num, "map.entity[4].position");
/* query string */
size_t size;
char buffer[64];
json_query_string(buffer, 64, &size, toks, num, "map.entity[4].name");
/* query number */
json_number num;
json_query_number(&num, toks, num, "map.soldier[2].position.x");
/* query type */
int type0 = json_query_number(toks, num, "map.soldier[2]");
/* sub-queries */
json_token *entity = json_query(toks, num, "map.entity[4]");
json_token *position = json_query(entity, entity->sub, "position");
json_token *rotation = json_query(entity, entity->sub, "rotation");
#endif
/* ===============================================================
*
* HEADER
*
* =============================================================== */
#ifndef JSON_H_
#define JSON_H_
#ifdef __cplusplus
extern "C" {
#endif
#ifdef JSON_STATIC
#define JSON_API static
#else
#define JSON_API extern
#endif
/*-------------------------------------------------------------------------
API
-------------------------------------------------------------------------*/
#ifndef JSON_DELIMITER
#define JSON_DELIMITER '.'
#endif
typedef double json_number;
enum json_token_type {
JSON_NONE, /* invalid token */
JSON_OBJECT, /* sub-object */
JSON_ARRAY, /* sub-array */
JSON_NUMBER, /* floating point number token */
JSON_STRING, /* string text token */
JSON_TRUE, /* true constant token */
JSON_FALSE, /* false constant token*/
JSON_NULL, /* null constant token */
JSON_MAX
};
struct json_token {
enum json_token_type type;
const char *str;
int len;
int children; /* number of direct child tokens */
int sub; /* total number of subtokens (note: not pairs)*/
};
struct json_pair {
struct json_token name;
struct json_token value;
};
enum json_status {
JSON_OK = 0,
JSON_INVAL,
JSON_OUT_OF_TOKEN,
JSON_PARSING_ERROR
};
/* parse JSON into token array */
JSON_API int json_num(const char *json, int length);
JSON_API enum json_status json_load(struct json_token *toks, int max, int *read, const char *json, int length);
/* access nodes inside token array */
JSON_API struct json_token *json_query(struct json_token *toks, int count, const char *path);
JSON_API int json_query_number(json_number*, struct json_token *toks, int count, const char *path);
JSON_API int json_query_string(char*, int max, int *size, struct json_token*, int count, const char *path);
JSON_API int json_query_type(struct json_token *toks, int count, const char *path);
/*--------------------------------------------------------------------------
INTERNAL
-------------------------------------------------------------------------*/
struct json_iter {
int len;
unsigned short err;
unsigned depth;
const char *go;
const char *src;
};
/* tokenizer */
JSON_API struct json_iter json_begin(const char *json, int length);
JSON_API struct json_iter json_read(struct json_token*, const struct json_iter*);
JSON_API struct json_iter json_parse(struct json_pair*, const struct json_iter*);
/* utility */
JSON_API int json_cmp(const struct json_token*, const char*);
JSON_API int json_cpy(char*, int, const struct json_token*);
JSON_API int json_convert(json_number *, const struct json_token*);
#ifdef __cplusplus
}
#endif
#endif /* JSON_H_ */
/*===============================================================
*
* IMPLEMENTATION
*
* =============================================================== */
#ifdef JSON_IMPLEMENTATION
/* this flag inserts the <assert.h> header into the json.c file and adds
assert call to every function in DEBUG mode. If activated then
the clib will be used. So if you want to compile without clib then
deactivate this flag. */
#ifdef JSON_USE_ASSERT
#ifndef JSON_ASSERT
#include <assert.h>
#define JSON_ASSERT(expr) assert(expr)
#endif
#else
#define JSON_ASSERT(expr)
#endif
#define JSON_INTERN static
#define JSON_GLOBAL static
#ifndef NULL
#define NULL ((void*)0)
#endif
#ifndef MAX
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#endif
/* Main token parsing function states */
enum json_parser_states {
JSON_STATE_FAILED,
JSON_STATE_LOOP,
JSON_STATE_SEP,
JSON_STATE_UP,
JSON_STATE_DOWN,
JSON_STATE_QUP,
JSON_STATE_QDOWN,
JSON_STATE_ESC,
JSON_STATE_UNESC,
JSON_STATE_BARE,
JSON_STATE_UNBARE,
JSON_STATE_UTF8_2,
JSON_STATE_UTF8_3,
JSON_STATE_UTF8_4,
JSON_STATE_UTF8_NEXT,
JSON_STATE_MAX
};
/* Main token to number conversion states */
enum json_nuber_states {
JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_LOOP,
JSON_STATE_NUM_FLT,
JSON_STATE_NUM_EXP,
JSON_STATE_NUM_BREAK,
JSON_STATE_NUM_MAX
};
JSON_GLOBAL const struct json_iter JSON_ITER_NULL = {0,0,0,0,0};
JSON_GLOBAL const struct json_token JSON_TOKEN_NULL = {JSON_NONE,0,0,0,0};
/*--------------------------------------------------------------------------
TABLES
-------------------------------------------------------------------------*/
/* generated by tests/json_table_generator.c */
static char json_go_struct[256] = {
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_LOOP, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_LOOP, JSON_STATE_FAILED, JSON_STATE_QUP, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_LOOP, JSON_STATE_BARE, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_BARE, JSON_STATE_BARE, JSON_STATE_BARE, JSON_STATE_BARE,
JSON_STATE_BARE, JSON_STATE_BARE, JSON_STATE_BARE, JSON_STATE_BARE,
JSON_STATE_BARE, JSON_STATE_BARE, JSON_STATE_SEP, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_SEP, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_UP,
JSON_STATE_FAILED, JSON_STATE_DOWN, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_BARE, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_BARE, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_BARE, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_UP,
JSON_STATE_FAILED, JSON_STATE_DOWN, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,};
static char json_go_bare[256] = {
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_UNBARE, JSON_STATE_UNBARE, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_UNBARE, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_UNBARE, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_UNBARE, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_UNBARE, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_UNBARE, JSON_STATE_LOOP, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,};
static char json_go_string[256] = {
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_QDOWN, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_ESC, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP,
JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_LOOP, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2,
JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2,
JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2,
JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2,
JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2,
JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2,
JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2,
JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2, JSON_STATE_UTF8_2,
JSON_STATE_UTF8_3, JSON_STATE_UTF8_3, JSON_STATE_UTF8_3, JSON_STATE_UTF8_3,
JSON_STATE_UTF8_3, JSON_STATE_UTF8_3, JSON_STATE_UTF8_3, JSON_STATE_UTF8_3,
JSON_STATE_UTF8_3, JSON_STATE_UTF8_3, JSON_STATE_UTF8_3, JSON_STATE_UTF8_3,
JSON_STATE_UTF8_3, JSON_STATE_UTF8_3, JSON_STATE_UTF8_3, JSON_STATE_UTF8_3,
JSON_STATE_UTF8_4, JSON_STATE_UTF8_4, JSON_STATE_UTF8_4, JSON_STATE_UTF8_4,
JSON_STATE_UTF8_4, JSON_STATE_UTF8_4, JSON_STATE_UTF8_4, JSON_STATE_UTF8_4,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,};
static char json_go_esc[256] = {
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_UNESC, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_UNESC,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_UNESC, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_UNESC, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_UNESC, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_UNESC, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_UNESC, JSON_STATE_FAILED,
JSON_STATE_UNESC, JSON_STATE_UNESC, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,};
static char json_go_utf8[256] = {
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT, JSON_STATE_UTF8_NEXT,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,
JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED, JSON_STATE_FAILED,};
static char json_go_num[256] = {
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_BREAK, JSON_STATE_NUM_BREAK, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_BREAK, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_BREAK, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_LOOP,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_LOOP, JSON_STATE_NUM_FLT, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_LOOP, JSON_STATE_NUM_LOOP, JSON_STATE_NUM_LOOP, JSON_STATE_NUM_LOOP,
JSON_STATE_NUM_LOOP, JSON_STATE_NUM_LOOP, JSON_STATE_NUM_LOOP, JSON_STATE_NUM_LOOP,
JSON_STATE_NUM_LOOP, JSON_STATE_NUM_LOOP, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_EXP, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_EXP, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,
JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED, JSON_STATE_NUM_FAILED,};
/*--------------------------------------------------------------------------
HELPER
-------------------------------------------------------------------------*/
/* checks and returns the type of a token */
JSON_INTERN enum json_token_type
json_type(const struct json_token *tok)
{
if (!tok || !tok->str || !tok->len)
return JSON_NONE;
if (tok->str[0] == '{')
return JSON_OBJECT;
if (tok->str[0] == '[')
return JSON_ARRAY;
if (tok->str[0] == '\"')
return JSON_STRING;
if (tok->str[0] == 't')
return JSON_TRUE;
if (tok->str[0] == 'f')
return JSON_FALSE;
if (tok->str[0] == 'n')
return JSON_NULL;
return JSON_NUMBER;
}
JSON_INTERN void
json_deq(struct json_token *tok)
{
/* dequotes a string token */
if (tok->str[0] == '\"' && tok->len >= 2)
tok->str++; tok->len-=2;
}
JSON_INTERN json_number
json_ipow(int base, unsigned exp)
{
/* simple power function for json exponent numbers */
long res = 1;
while (exp) {
if (exp & 1)
res *= base;
exp >>= 1;
base *= base;
} return (json_number)res;
}
JSON_INTERN json_number
json_stoi(int *neg, struct json_token *tok)
{
/* converts a token containing a integer value into a number */
json_number n = 0;
int i = 0;
int off;
if (!tok->str || !tok->len)
return 0;
off = (tok->str[0] == '-' || tok->str[0] == '+') ? 1 : 0;
*neg = (tok->str[0] == '-') ? 1 : 0;
for (i = off; i < tok->len; i++) {
if ((tok->str[i] >= '0') && (tok->str[i] <= '9'))
n = (n * 10) + tok->str[i] - '0';
} return (*neg) ? -n : n;
}
JSON_INTERN json_number
json_stof(struct json_token *tok)
{
/* converts a token containing a real value into a floating point number */
int i = 0;
json_number n = 0;
json_number f = 0.1;
if (!tok->str || !tok->len) return 0;
for (i = 0; i < tok->len; i++) {
if ((tok->str[i] >= '0') && (tok->str[i] <= '9')) {
n = n + (tok->str[i] - '0') * f;
f *= 0.1;
}
} return n;
}
JSON_INTERN int
json_lcmp(const struct json_token* tok, const char* str, int len)
{
/* compares a size limited string with a string inside a token */
int i;
JSON_ASSERT(tok);
JSON_ASSERT(str);
if (!tok || !str || !len) return 1;
if (tok->len != len) return 1;
for (i = 0; (i < tok->len && i < len); i++, str++){
if (tok->str[i] != *str)
return 1;
} return 0;
}
/*--------------------------------------------------------------------------
UTILITY
-------------------------------------------------------------------------*/
JSON_API int
json_convert(json_number *num, const struct json_token *tok)
{
int ineg, eneg, len;
const char *cur;
json_number i, f, e, p;
enum {INT, FLT, EXP, TOKS};
struct json_token nums[TOKS];
struct json_token *write = &nums[INT];
JSON_ASSERT(num);
JSON_ASSERT(tok);
if (!num || !tok || !tok->str || !tok->len)
return JSON_NONE;
nums[INT] = JSON_TOKEN_NULL;
nums[FLT] = JSON_TOKEN_NULL;
nums[EXP] = JSON_TOKEN_NULL;
len = tok->len;
write->str = tok->str;
for (cur = tok->str; len; cur++, len--) {
char state = json_go_num[*(const unsigned char*)cur];
switch (state) {
case JSON_STATE_NUM_FAILED:
return JSON_NONE;
case JSON_STATE_NUM_FLT: {
write->len = (int)(cur - write->str);
write = &nums[FLT];
write->str = cur + 1;
} break;
case JSON_STATE_NUM_EXP: {
write->len = (int)(cur - write->str);
write = &nums[EXP];
write->str = cur + 1;
} break;
case JSON_STATE_NUM_BREAK: {len = 1;} break;
default: break;
}
} write->len = (int)(cur - write->str);
i = json_stoi(&ineg, &nums[INT]);
f = json_stof(&nums[FLT]);
e = json_stoi(&eneg, &nums[EXP]);
p = json_ipow(10, (unsigned)(eneg ? -e : e));
if (eneg) p = (1 / p);
*num = (i + (ineg ? -f : f)) * p;
return JSON_NUMBER;
}
JSON_API int
json_cpy(char *dst, int max, const struct json_token* tok)
{
int i = 0;
int ret;
int siz;
JSON_ASSERT(dst);
JSON_ASSERT(tok);
if (!dst || !max || !tok)
return 0;
ret = (max < (tok->len + 1)) ? max : tok->len;
siz = (max < (tok->len + 1)) ? max-1 : tok->len;
for (i = 0; i < siz; i++)
dst[i] = tok->str[i];
dst[siz] = '\0';
return ret;
}
JSON_API int
json_cmp(const struct json_token* tok, const char* str)
{
int i;
JSON_ASSERT(tok);
JSON_ASSERT(str);
if (!tok || !str) return 1;
for (i = 0; (i < tok->len); i++, str++){
if (tok->str[i] != *str)
return 1;
} return *str == '\0' ? 0 : 1;
}
/*--------------------------------------------------------------------------
TOKENIZER
-------------------------------------------------------------------------*/
JSON_API struct json_iter
json_begin(const char *str, int len)
{
struct json_iter iter = JSON_ITER_NULL;
iter.src = str; iter.len = len;
return iter;
}
JSON_API struct json_iter
json_read(struct json_token *obj, const struct json_iter* prev)
{
int len;
const char *cur;
unsigned char c;
int utf8_remain = 0;
struct json_iter iter;
JSON_ASSERT(obj);
JSON_ASSERT(prev);
if (!prev || !obj || !prev->src || !prev->len || prev->err) {
/* case either invalid iterator or eof */
struct json_iter it = JSON_ITER_NULL;
*obj = JSON_TOKEN_NULL;
it.err = 1;
return it;
}
iter = *prev;
*obj = JSON_TOKEN_NULL;
iter.err = 0;
if (!iter.go) /* begin of parsing process */
iter.go = json_go_struct;
len = iter.len;
for (cur = iter.src; len; cur++, len--) {
const unsigned char *tbl = (const unsigned char*)iter.go;
c = (unsigned char)*cur;
if (c == '\0') goto l_end;
if (iter.depth == 1 && (c == '}' || (c == ']')) && len == 1 && !obj->str) {
iter.len = iter.depth = 0;
iter.src = 0;
return iter;
}
switch (tbl[c]) {
case JSON_STATE_FAILED: {
iter.err = 1;
return iter;
} break;
case JSON_STATE_LOOP: break;
case JSON_STATE_SEP: {
if (iter.depth == 2)
obj->children--;
} break;
case JSON_STATE_UP: {
if (iter.depth > 1) {
if (iter.depth == 2)
obj->children++;
obj->sub++;
} if (iter.depth++ == 1)
obj->str = cur;
} break;
case JSON_STATE_DOWN: {
if (--iter.depth == 1) {
obj->len = (int)(cur - obj->str) + 1;
if (iter.depth != 1 || !obj->str)
goto l_loop;
goto l_yield;
}
} break;
case JSON_STATE_QUP: {
iter.go = json_go_string;
if (iter.depth <= 1) {
obj->str = cur;
} else {
if (iter.depth == 2)
obj->children++;
obj->sub++;
}
} break;
case JSON_STATE_QDOWN: {
iter.go = json_go_struct;
if (iter.depth <= 1) {
obj->len = (int)(cur - obj->str) + 1;
if (iter.depth > 1 || !obj->str)
goto l_loop;
goto l_yield;
}
} break;
case JSON_STATE_ESC: {
iter.go = json_go_esc;
} break;
case JSON_STATE_UNESC: {
iter.go = json_go_string;
} break;
case JSON_STATE_BARE: {
if (iter.depth <= 1) {
obj->str = cur;
} else {
if (iter.depth == 2)
obj->children++;
obj->sub++;
} iter.go = json_go_bare;
} break;
case JSON_STATE_UNBARE: {
iter.go = json_go_struct;
if (iter.depth <= 1) {
obj->len = (int)(cur - obj->str);
obj->type = (enum json_token_type)json_type(obj);
if (obj->type == JSON_STRING)
json_deq(obj);
iter.src = cur;
iter.len = len;
return iter;
} cur--; len++;
} break;
case JSON_STATE_UTF8_2: {
iter.go = json_go_utf8;
utf8_remain = 1;
} break;
case JSON_STATE_UTF8_3: {
iter.go = json_go_utf8;
utf8_remain = 2;
} break;
case JSON_STATE_UTF8_4: {
iter.go = json_go_utf8;
utf8_remain = 3;
} break;
case JSON_STATE_UTF8_NEXT: {
if (!--utf8_remain)
iter.go = json_go_string;
} break;
default: break;
} l_loop:;
}
l_end:
if (!iter.depth) {
iter.src = 0, iter.len = 0;
if (obj->str) { /* reached eof */
obj->len = (c == '}') ? (int)((cur-1) - obj->str): (int)(cur - obj->str);
obj->type = (enum json_token_type)json_type(obj);
if (obj->type == JSON_STRING)
json_deq(obj);
} return iter;
} return iter;
l_yield:
iter.src = cur + 1;
iter.len = len - 1;
obj->type = json_type(obj);
if (obj->type == JSON_STRING)
json_deq(obj);
return iter;
}
JSON_API struct json_iter
json_parse(struct json_pair *p, const struct json_iter* it)
{
struct json_iter next;
JSON_ASSERT(p);
JSON_ASSERT(it);
next = json_read(&p->name, it);
if (next.err) return next;
return json_read(&p->value, &next);
}
/*--------------------------------------------------------------------------
PARSER
-------------------------------------------------------------------------*/
JSON_API int
json_num(const char *json, int length)
{
struct json_iter iter;
struct json_token tok;
int count = 0;
JSON_ASSERT(json);
JSON_ASSERT(length > 0);
if (!json || !length)
return 0;
iter = json_begin(json, length);
iter = json_read(&tok, &iter);
while (!iter.err && iter.src && tok.str) {
count += (1 + tok.sub);
iter = json_read(&tok, &iter);
} return count;
}
JSON_API enum json_status
json_load(struct json_token *toks, int max, int *read,
const char *json, int length)
{
enum json_status status = JSON_OK;
struct json_token tok;
struct json_iter iter;
JSON_ASSERT(toks);
JSON_ASSERT(json);
JSON_ASSERT(length > 0);
JSON_ASSERT(max > 0);
JSON_ASSERT(read);
if (!toks || !json || !length || !max || !read)
return JSON_INVAL;
if (*read >= max)
return JSON_OUT_OF_TOKEN;
iter = json_begin(json, length);