Revision ef1e46010f6547419301c519666a1aece49b92d1 authored by Alon Zakai on 29 January 2014, 18:28:48 UTC, committed by Alon Zakai on 29 January 2014, 18:28:48 UTC
1 parent b67e161
jansson.h
/*
* Copyright (c) 2009-2012 Petri Lehtinen <petri@digip.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#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 4
#define JANSSON_MICRO_VERSION 99
/* Micro version is omitted if it's 0 */
#define JANSSON_VERSION "2.5-dev"
/* 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
#ifdef _WIN32
#define JSON_INTEGER_FORMAT "I64d"
#else
#define JSON_INTEGER_FORMAT "lld"
#endif
typedef long long json_int_t;
#else
#define JSON_INTEGER_FORMAT "ld"
typedef long json_int_t;
#endif /* JSON_INTEGER_IS_LONG_LONG */
#ifdef EMSCRIPTEN
extern "C" bool json_typeof(const void *object);
extern "C" bool json_is_object(const void *object);
extern "C" bool json_is_array(const void *object);
extern "C" bool json_is_string(const void *object);
extern "C" bool json_is_integer(const void *object);
extern "C" bool json_is_real(const void *object);
extern "C" bool json_is_number(const void *object);
extern "C" bool json_is_true(const void *object);
extern "C" bool json_is_false(const void *object);
extern "C" bool json_is_boolean(const void *object);
extern "C" bool json_is_null(const void *object);
static JSON_INLINE
json_t *json_incref(json_t *json)
{
return json;
}
void json_delete(json_t *json);
static JSON_INLINE
void json_decref(json_t *json)
{
json_delete(json);
}
#else
// typedef json_t* json_ptr_t;
#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);
#define json_boolean(val) ((val) ? json_true() : json_false())
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);
}
#endif
/* 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);
int json_object_update_existing(json_t *object, json_t *other);
int json_object_update_missing(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_key_to_iter(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);
#define json_object_foreach(object, key, value) \
for(key = json_object_iter_key(json_object_iter(object)); \
key && (value = json_object_iter_value(json_object_key_to_iter(key))); \
key = json_object_iter_key(json_object_iter_next(object, json_object_key_to_iter(key))))
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
#define JSON_DECODE_ANY 0x4
typedef size_t (*json_load_callback_t)(void *buffer, size_t buflen, void *data);
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);
json_t *json_load_callback(json_load_callback_t callback, void *data, 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
#define JSON_ESCAPE_SLASH 0x400
typedef int (*json_dump_callback_t)(const char *buffer, size_t size, void *data);
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);
int json_dump_callback(const json_t *json, json_dump_callback_t callback, void *data, 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
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