115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
/*
|
|
* Copyright (c) 2009-2016 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_PRIVATE_H
|
|
#define JANSSON_PRIVATE_H
|
|
|
|
#include "hashtable.h"
|
|
#include "jansson.h"
|
|
#include "jansson_private_config.h"
|
|
#include "strbuffer.h"
|
|
#include <stddef.h>
|
|
|
|
#define container_of(ptr_, type_, member_) \
|
|
((type_ *)((char *)ptr_ - offsetof(type_, member_)))
|
|
|
|
/* On some platforms, max() may already be defined */
|
|
#ifndef max
|
|
#define max(a, b) ((a) > (b) ? (a) : (b))
|
|
#endif
|
|
|
|
/* va_copy is a C99 feature. In C89 implementations, it's sometimes
|
|
available as __va_copy. If not, memcpy() should do the trick. */
|
|
#ifndef va_copy
|
|
#ifdef __va_copy
|
|
#define va_copy __va_copy
|
|
#else
|
|
#define va_copy(a, b) memcpy(&(a), &(b), sizeof(va_list))
|
|
#endif
|
|
#endif
|
|
|
|
typedef struct {
|
|
json_t json;
|
|
hashtable_t hashtable;
|
|
} json_object_t;
|
|
|
|
typedef struct {
|
|
json_t json;
|
|
size_t size;
|
|
size_t entries;
|
|
json_t **table;
|
|
} json_array_t;
|
|
|
|
typedef struct {
|
|
json_t json;
|
|
char *value;
|
|
size_t length;
|
|
} json_string_t;
|
|
|
|
typedef struct {
|
|
json_t json;
|
|
double value;
|
|
} json_real_t;
|
|
|
|
typedef struct {
|
|
json_t json;
|
|
json_int_t value;
|
|
} json_integer_t;
|
|
|
|
#define json_to_object(json_) container_of(json_, json_object_t, json)
|
|
#define json_to_array(json_) container_of(json_, json_array_t, json)
|
|
#define json_to_string(json_) container_of(json_, json_string_t, json)
|
|
#define json_to_real(json_) container_of(json_, json_real_t, json)
|
|
#define json_to_integer(json_) container_of(json_, json_integer_t, json)
|
|
|
|
/* Create a string by taking ownership of an existing buffer */
|
|
json_t *jsonp_stringn_nocheck_own(const char *value, size_t len);
|
|
|
|
/* Error message formatting */
|
|
void jsonp_error_init(json_error_t *error, const char *source);
|
|
void jsonp_error_set_source(json_error_t *error, const char *source);
|
|
void jsonp_error_set(json_error_t *error, int line, int column, size_t position,
|
|
enum json_error_code code, const char *msg, ...);
|
|
void jsonp_error_vset(json_error_t *error, int line, int column, size_t position,
|
|
enum json_error_code code, const char *msg, va_list ap);
|
|
|
|
/* Locale independent string<->double conversions */
|
|
int jsonp_strtod(strbuffer_t *strbuffer, double *out);
|
|
int jsonp_dtostr(char *buffer, size_t size, double value, int prec);
|
|
|
|
/* Wrappers for custom memory functions */
|
|
void *jsonp_malloc(size_t size) JANSSON_ATTRS((warn_unused_result));
|
|
void jsonp_free(void *ptr);
|
|
char *jsonp_strndup(const char *str, size_t length) JANSSON_ATTRS((warn_unused_result));
|
|
char *jsonp_strdup(const char *str) JANSSON_ATTRS((warn_unused_result));
|
|
char *jsonp_strndup(const char *str, size_t len) JANSSON_ATTRS((warn_unused_result));
|
|
|
|
/* Circular reference check*/
|
|
/* Space for "0x", double the sizeof a pointer for the hex and a terminator. */
|
|
#define LOOP_KEY_LEN (2 + (sizeof(json_t *) * 2) + 1)
|
|
int jsonp_loop_check(hashtable_t *parents, const json_t *json, char *key,
|
|
size_t key_size);
|
|
|
|
/* Windows compatibility */
|
|
#if defined(_WIN32) || defined(WIN32)
|
|
#if defined(_MSC_VER) /* MS compiller */
|
|
#if (_MSC_VER < 1900) && \
|
|
!defined(snprintf) /* snprintf not defined yet & not introduced */
|
|
#define snprintf _snprintf
|
|
#endif
|
|
#if (_MSC_VER < 1500) && \
|
|
!defined(vsnprintf) /* vsnprintf not defined yet & not introduced */
|
|
#define vsnprintf(b, c, f, a) _vsnprintf(b, c, f, a)
|
|
#endif
|
|
#else /* Other Windows compiller, old definition */
|
|
#define snprintf _snprintf
|
|
#define vsnprintf _vsnprintf
|
|
#endif
|
|
#endif
|
|
|
|
#endif
|