|
|
|
/*
|
|
|
|
* Copyright (c) 2009-2011 Petri Lehtinen <petri@digip.org>
|
|
|
|
*
|
|
|
|
* Jansson is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the MIT license. See LICENSE for details.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef JANSSON_H
|
|
|
|
#define JANSSON_H
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h> /* for size_t */
|
|
|
|
#include <stdarg.h>
|
|
|
|
|
|
|
|
#include <jansson_config.h>
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
extern "C" {
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* version */
|
|
|
|
|
|
|
|
#define JANSSON_MAJOR_VERSION 2
|
|
|
|
#define JANSSON_MINOR_VERSION 1
|
|
|
|
#define JANSSON_MICRO_VERSION 0
|
|
|
|
|
|
|
|
/* Micro version is omitted if it's 0 */
|
|
|
|
#define JANSSON_VERSION "2.1"
|
|
|
|
|
|
|
|
/* Version as a 3-byte hex number, e.g. 0x010201 == 1.2.1. Use this
|
|
|
|
for numeric comparisons, e.g. #if JANSSON_VERSION_HEX >= ... */
|
|
|
|
#define JANSSON_VERSION_HEX ((JANSSON_MAJOR_VERSION << 16) | \
|
|
|
|
(JANSSON_MINOR_VERSION << 8) | \
|
|
|
|
(JANSSON_MICRO_VERSION << 0))
|
|
|
|
|
|
|
|
|
|
|
|
/* types */
|
|
|
|
|
|
|
|
typedef enum {
|
|
|
|
JSON_OBJECT,
|
|
|
|
JSON_ARRAY,
|
|
|
|
JSON_STRING,
|
|
|
|
JSON_INTEGER,
|
|
|
|
JSON_REAL,
|
|
|
|
JSON_TRUE,
|
|
|
|
JSON_FALSE,
|
|
|
|
JSON_NULL
|
|
|
|
} json_type;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
json_type type;
|
|
|
|
size_t refcount;
|
|
|
|
} json_t;
|
|
|
|
|
|
|
|
#if JSON_INTEGER_IS_LONG_LONG
|
|
|
|
#define JSON_INTEGER_FORMAT "lld"
|
|
|
|
typedef long long json_int_t;
|
|
|
|
#else
|
|
|
|
#define JSON_INTEGER_FORMAT "ld"
|
|
|
|
typedef long json_int_t;
|
|
|
|
#endif /* JSON_INTEGER_IS_LONG_LONG */
|
|
|
|
|
|
|
|
#define json_typeof(json) ((json)->type)
|
|
|
|
#define json_is_object(json) (json && json_typeof(json) == JSON_OBJECT)
|
|
|
|
#define json_is_array(json) (json && json_typeof(json) == JSON_ARRAY)
|
|
|
|
#define json_is_string(json) (json && json_typeof(json) == JSON_STRING)
|
|
|
|
#define json_is_integer(json) (json && json_typeof(json) == JSON_INTEGER)
|
|
|
|
#define json_is_real(json) (json && json_typeof(json) == JSON_REAL)
|
|
|
|
#define json_is_number(json) (json_is_integer(json) || json_is_real(json))
|
|
|
|
#define json_is_true(json) (json && json_typeof(json) == JSON_TRUE)
|
|
|
|
#define json_is_false(json) (json && json_typeof(json) == JSON_FALSE)
|
|
|
|
#define json_is_boolean(json) (json_is_true(json) || json_is_false(json))
|
|
|
|
#define json_is_null(json) (json && json_typeof(json) == JSON_NULL)
|
|
|
|
|
|
|
|
/* construction, destruction, reference counting */
|
|
|
|
|
|
|
|
json_t *json_object(void);
|
|
|
|
json_t *json_array(void);
|
|
|
|
json_t *json_string(const char *value);
|
|
|
|
json_t *json_string_nocheck(const char *value);
|
|
|
|
json_t *json_integer(json_int_t value);
|
|
|
|
json_t *json_real(double value);
|
|
|
|
json_t *json_true(void);
|
|
|
|
json_t *json_false(void);
|
|
|
|
json_t *json_null(void);
|
|
|
|
|
|
|
|
static JSON_INLINE
|
|
|
|
json_t *json_incref(json_t *json)
|
|
|
|
{
|
|
|
|
if(json && json->refcount != (size_t)-1)
|
|
|
|
++json->refcount;
|
|
|
|
return json;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* do not call json_delete directly */
|
|
|
|
void json_delete(json_t *json);
|
|
|
|
|
|
|
|
static JSON_INLINE
|
|
|
|
void json_decref(json_t *json)
|
|
|
|
{
|
|
|
|
if(json && json->refcount != (size_t)-1 && --json->refcount == 0)
|
|
|
|
json_delete(json);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* error reporting */
|
|
|
|
|
|
|
|
#define JSON_ERROR_TEXT_LENGTH 160
|
|
|
|
#define JSON_ERROR_SOURCE_LENGTH 80
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
int line;
|
|
|
|
int column;
|
|
|
|
int position;
|
|
|
|
char source[JSON_ERROR_SOURCE_LENGTH];
|
|
|
|
char text[JSON_ERROR_TEXT_LENGTH];
|
|
|
|
} json_error_t;
|
|
|
|
|
|
|
|
|
|
|
|
/* getters, setters, manipulation */
|
|
|
|
|
|
|
|
size_t json_object_size(const json_t *object);
|
|
|
|
json_t *json_object_get(const json_t *object, const char *key);
|
|
|
|
int json_object_set_new(json_t *object, const char *key, json_t *value);
|
|
|
|
int json_object_set_new_nocheck(json_t *object, const char *key, json_t *value);
|
|
|
|
int json_object_del(json_t *object, const char *key);
|
|
|
|
int json_object_clear(json_t *object);
|
|
|
|
int json_object_update(json_t *object, json_t *other);
|
|
|
|
void *json_object_iter(json_t *object);
|
|
|
|
void *json_object_iter_at(json_t *object, const char *key);
|
|
|
|
void *json_object_iter_next(json_t *object, void *iter);
|
|
|
|
const char *json_object_iter_key(void *iter);
|
|
|
|
json_t *json_object_iter_value(void *iter);
|
|
|
|
int json_object_iter_set_new(json_t *object, void *iter, json_t *value);
|
|
|
|
|
|
|
|
static JSON_INLINE
|
|
|
|
int json_object_set(json_t *object, const char *key, json_t *value)
|
|
|
|
{
|
|
|
|
return json_object_set_new(object, key, json_incref(value));
|
|
|
|
}
|
|
|
|
|
|
|
|
static JSON_INLINE
|
|
|
|
int json_object_set_nocheck(json_t *object, const char *key, json_t *value)
|
|
|
|
{
|
|
|
|
return json_object_set_new_nocheck(object, key, json_incref(value));
|
|
|
|
}
|
|
|
|
|
|
|
|
static JSON_INLINE
|
|
|
|
int json_object_iter_set(json_t *object, void *iter, json_t *value)
|
|
|
|
{
|
|
|
|
return json_object_iter_set_new(object, iter, json_incref(value));
|
|
|
|
}
|
|
|
|
|
|
|
|
size_t json_array_size(const json_t *array);
|
|
|
|
json_t *json_array_get(const json_t *array, size_t index);
|
|
|
|
int json_array_set_new(json_t *array, size_t index, json_t *value);
|
|
|
|
int json_array_append_new(json_t *array, json_t *value);
|
|
|
|
int json_array_insert_new(json_t *array, size_t index, json_t *value);
|
|
|
|
int json_array_remove(json_t *array, size_t index);
|
|
|
|
int json_array_clear(json_t *array);
|
|
|
|
int json_array_extend(json_t *array, json_t *other);
|
|
|
|
|
|
|
|
static JSON_INLINE
|
|
|
|
int json_array_set(json_t *array, size_t index, json_t *value)
|
|
|
|
{
|
|
|
|
return json_array_set_new(array, index, json_incref(value));
|
|
|
|
}
|
|
|
|
|
|
|
|
static JSON_INLINE
|
|
|
|
int json_array_append(json_t *array, json_t *value)
|
|
|
|
{
|
|
|
|
return json_array_append_new(array, json_incref(value));
|
|
|
|
}
|
|
|
|
|
|
|
|
static JSON_INLINE
|
|
|
|
int json_array_insert(json_t *array, size_t index, json_t *value)
|
|
|
|
{
|
|
|
|
return json_array_insert_new(array, index, json_incref(value));
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *json_string_value(const json_t *string);
|
|
|
|
json_int_t json_integer_value(const json_t *integer);
|
|
|
|
double json_real_value(const json_t *real);
|
|
|
|
double json_number_value(const json_t *json);
|
|
|
|
|
|
|
|
int json_string_set(json_t *string, const char *value);
|
|
|
|
int json_string_set_nocheck(json_t *string, const char *value);
|
|
|
|
int json_integer_set(json_t *integer, json_int_t value);
|
|
|
|
int json_real_set(json_t *real, double value);
|
|
|
|
|
|
|
|
|
|
|
|
/* pack, unpack */
|
|
|
|
|
|
|
|
json_t *json_pack(const char *fmt, ...);
|
|
|
|
json_t *json_pack_ex(json_error_t *error, size_t flags, const char *fmt, ...);
|
|
|
|
json_t *json_vpack_ex(json_error_t *error, size_t flags, const char *fmt, va_list ap);
|
|
|
|
|
|
|
|
#define JSON_VALIDATE_ONLY 0x1
|
|
|
|
#define JSON_STRICT 0x2
|
|
|
|
|
|
|
|
int json_unpack(json_t *root, const char *fmt, ...);
|
|
|
|
int json_unpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, ...);
|
|
|
|
int json_vunpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, va_list ap);
|
|
|
|
|
|
|
|
|
|
|
|
/* equality */
|
|
|
|
|
|
|
|
int json_equal(json_t *value1, json_t *value2);
|
|
|
|
|
|
|
|
|
|
|
|
/* copying */
|
|
|
|
|
|
|
|
json_t *json_copy(json_t *value);
|
|
|
|
json_t *json_deep_copy(json_t *value);
|
|
|
|
|
|
|
|
|
|
|
|
/* decoding */
|
|
|
|
|
|
|
|
#define JSON_REJECT_DUPLICATES 0x1
|
|
|
|
#define JSON_DISABLE_EOF_CHECK 0x2
|
|
|
|
|
|
|
|
json_t *json_loads(const char *input, size_t flags, json_error_t *error);
|
|
|
|
json_t *json_loadb(const char *buffer, size_t buflen, size_t flags, json_error_t *error);
|
|
|
|
json_t *json_loadf(FILE *input, size_t flags, json_error_t *error);
|
|
|
|
json_t *json_load_file(const char *path, size_t flags, json_error_t *error);
|
|
|
|
|
|
|
|
|
|
|
|
/* encoding */
|
|
|
|
|
|
|
|
#define JSON_INDENT(n) (n & 0x1F)
|
|
|
|
#define JSON_COMPACT 0x20
|
|
|
|
#define JSON_ENSURE_ASCII 0x40
|
|
|
|
#define JSON_SORT_KEYS 0x80
|
|
|
|
#define JSON_PRESERVE_ORDER 0x100
|
|
|
|
#define JSON_ENCODE_ANY 0x200
|
|
|
|
|
|
|
|
char *json_dumps(const json_t *json, size_t flags);
|
|
|
|
int json_dumpf(const json_t *json, FILE *output, size_t flags);
|
|
|
|
int json_dump_file(const json_t *json, const char *path, size_t flags);
|
|
|
|
|
|
|
|
|
|
|
|
/* custom memory allocation */
|
|
|
|
|
|
|
|
typedef void *(*json_malloc_t)(size_t);
|
|
|
|
typedef void (*json_free_t)(void *);
|
|
|
|
|
|
|
|
void json_set_alloc_funcs(json_malloc_t malloc_fn, json_free_t free_fn);
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#endif
|