You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
206 lines
6.7 KiB
206 lines
6.7 KiB
/**************************************************************************** |
|
* apps/netutils/json/cJSON.c |
|
* |
|
* This file is a part of NuttX: |
|
* |
|
* Copyright (C) 2011 Gregory Nutt. All rights reserved. |
|
* Ported by: Darcy Gong |
|
* |
|
* And derives from the cJSON Project which has an MIT license: |
|
* |
|
* Copyright (c) 2009 Dave Gamble |
|
* |
|
* 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 __APPS_INCLUDE_NETUTILS_JSON_H |
|
#define __APPS_INCLUDE_NETUTILS_JSON_H |
|
|
|
#ifdef __cplusplus |
|
extern "C" |
|
{ |
|
#endif |
|
|
|
/**************************************************************************** |
|
* Included Files |
|
****************************************************************************/ |
|
|
|
/**************************************************************************** |
|
* Pre-processor Definitions |
|
****************************************************************************/ |
|
|
|
#define cJSON_False 0 |
|
#define cJSON_True 1 |
|
#define cJSON_NULL 2 |
|
#define cJSON_Number 3 |
|
#define cJSON_String 4 |
|
#define cJSON_Array 5 |
|
#define cJSON_Object 6 |
|
|
|
#define cJSON_IsReference 256 |
|
|
|
#define cJSON_AddNullToObject(object,name) \ |
|
cJSON_AddItemToObject(object, name, cJSON_CreateNull()) |
|
#define cJSON_AddTrueToObject(object,name) \ |
|
cJSON_AddItemToObject(object, name, cJSON_CreateTrue())cd |
|
#define cJSON_AddFalseToObject(object,name) \ |
|
cJSON_AddItemToObject(object, name, cJSON_CreateFalse()) |
|
#define cJSON_AddNumberToObject(object,name,n) \ |
|
cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n)) |
|
#define cJSON_AddStringToObject(object,name,s) \ |
|
cJSON_AddItemToObject(object, name, cJSON_CreateString(s)) |
|
|
|
/**************************************************************************** |
|
* Public Types |
|
****************************************************************************/ |
|
|
|
/* The cJSON structure: */ |
|
|
|
typedef struct cJSON |
|
{ |
|
/* next/prev allow you to walk array/object chains. Alternatively, use |
|
* GetArraySize/GetArrayItem/GetObjectItem |
|
*/ |
|
|
|
struct cJSON *next,*prev; |
|
|
|
/* An array or object item will have a child pointer pointing to a chain |
|
* of the items in the array/object. |
|
*/ |
|
|
|
struct cJSON *child; |
|
|
|
int type; /* The type of the item, as above. */ |
|
char *valuestring; /* The item's string, if type==cJSON_String */ |
|
int valueint; /* The item's number, if type==cJSON_Number */ |
|
double valuedouble; /* The item's number, if type==cJSON_Number */ |
|
|
|
/* The item's name string, if this item is the child of, or is in the list |
|
* of subitems of an object. |
|
*/ |
|
|
|
char *string; |
|
} cJSON; |
|
|
|
typedef struct cJSON_Hooks |
|
{ |
|
void *(*malloc_fn)(size_t sz); |
|
void (*free_fn)(void *ptr); |
|
} cJSON_Hooks; |
|
|
|
/**************************************************************************** |
|
* Public Functions |
|
****************************************************************************/ |
|
|
|
/* Supply malloc, realloc and free functions to cJSON */ |
|
|
|
void cJSON_InitHooks(cJSON_Hooks* hooks); |
|
|
|
/* Supply a block of JSON, and this returns a cJSON object you can |
|
* interrogate. Call cJSON_Delete when finished. |
|
*/ |
|
|
|
cJSON *cJSON_Parse(const char *value); |
|
|
|
/* Render a cJSON entity to text for transfer/storage. Free the char* when |
|
* finished. |
|
*/ |
|
|
|
char *cJSON_Print(cJSON *item); |
|
|
|
/* Render a cJSON entity to text for transfer/storage without any |
|
* formatting. Free the char* when finished. |
|
*/ |
|
|
|
char *cJSON_PrintUnformatted(cJSON *item); |
|
|
|
/* Delete a cJSON entity and all subentities. */ |
|
|
|
void cJSON_Delete(cJSON *c); |
|
|
|
/* Returns the number of items in an array (or object). */ |
|
|
|
int cJSON_GetArraySize(cJSON *array); |
|
|
|
/* Retrieve item number "item" from array "array". Returns NULL if |
|
* unsuccessful. |
|
*/ |
|
|
|
cJSON *cJSON_GetArrayItem(cJSON *array, int item); |
|
|
|
/* Get item "string" from object. Case insensitive. */ |
|
|
|
cJSON *cJSON_GetObjectItem(cJSON *object, const char *string); |
|
|
|
/* For analysing failed parses. This returns a pointer to the parse error. |
|
* You'll probably need to look a few chars back to make sense of it. |
|
* Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. |
|
*/ |
|
|
|
const char *cJSON_GetErrorPtr(); |
|
|
|
/* These calls create a cJSON item of the appropriate type. */ |
|
|
|
cJSON *cJSON_CreateNull(); |
|
cJSON *cJSON_CreateTrue(); |
|
cJSON *cJSON_CreateFalse(); |
|
cJSON *cJSON_CreateBool(int b); |
|
cJSON *cJSON_CreateNumber(double num); |
|
cJSON *cJSON_CreateString(const char *string); |
|
cJSON *cJSON_CreateArray(); |
|
cJSON *cJSON_CreateObject(); |
|
|
|
/* These utilities create an Array of count items. */ |
|
|
|
cJSON *cJSON_CreateIntArray(const int *numbers, int count); |
|
cJSON *cJSON_CreateFloatArray(const float *numbers, int count); |
|
cJSON *cJSON_CreateDoubleArray(const double *numbers, int count); |
|
cJSON *cJSON_CreateStringArray(const char **strings, int count); |
|
|
|
/* Append item to the specified array/object. */ |
|
|
|
void cJSON_AddItemToArray(cJSON *array, cJSON *item); |
|
void cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item); |
|
|
|
/* Append reference to item to the specified array/object. Use this when you |
|
* want to add an existing cJSON to a new cJSON, but don't want to corrupt |
|
* your existing cJSON. |
|
*/ |
|
|
|
void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item); |
|
void cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item); |
|
|
|
/* Remove/Detatch items from Arrays/Objects. */ |
|
|
|
cJSON *cJSON_DetachItemFromArray(cJSON *array, int which); |
|
void cJSON_DeleteItemFromArray(cJSON *array, int which); |
|
cJSON *cJSON_DetachItemFromObject(cJSON *object, const char *string); |
|
void cJSON_DeleteItemFromObject(cJSON *object, const char *string); |
|
|
|
/* Update array items. */ |
|
|
|
void cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem); |
|
void cJSON_ReplaceItemInObject(cJSON *object, const char *string, cJSON *newitem); |
|
|
|
#ifdef __cplusplus |
|
} |
|
#endif |
|
|
|
#endif /* __APPS_INCLUDE_NETUTILS_JSON_H */
|
|
|