Taylor Gy / cJSON_lib

open sourced cJSON lib

Dependents:   8-0_OneNet_IoT_demo onenet_EDP STM32F103C8T6_OneNet_IoT yezhong_main_controller_copy_3_

cJSON.h@0:c809010834e2, 2017-03-29 (annotated)

Committer:
TaylorGy
Date:
Wed Mar 29 03:05:19 2017 +0000
Revision:
0:c809010834e2
IoT(Internet of Thing) Demo for ASC Platform. ; Performed an example for getting data form Sensors,  then send data to OneNet Cloud by using EDP protocol.; Use NUCLEO-F411RE and Grove_UART_wifi module(based on ESP8266), and other Grove_sonsers.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
TaylorGy 0:c809010834e2 1 /*
TaylorGy 0:c809010834e2 2 Copyright (c) 2009 Dave Gamble
TaylorGy 0:c809010834e2 3
TaylorGy 0:c809010834e2 4 Permission is hereby granted, free of charge, to any person obtaining a copy
TaylorGy 0:c809010834e2 5 of this software and associated documentation files (the "Software"), to deal
TaylorGy 0:c809010834e2 6 in the Software without restriction, including without limitation the rights
TaylorGy 0:c809010834e2 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
TaylorGy 0:c809010834e2 8 copies of the Software, and to permit persons to whom the Software is
TaylorGy 0:c809010834e2 9 furnished to do so, subject to the following conditions:
TaylorGy 0:c809010834e2 10
TaylorGy 0:c809010834e2 11 The above copyright notice and this permission notice shall be included in
TaylorGy 0:c809010834e2 12 all copies or substantial portions of the Software.
TaylorGy 0:c809010834e2 13
TaylorGy 0:c809010834e2 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
TaylorGy 0:c809010834e2 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
TaylorGy 0:c809010834e2 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
TaylorGy 0:c809010834e2 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
TaylorGy 0:c809010834e2 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
TaylorGy 0:c809010834e2 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
TaylorGy 0:c809010834e2 20 THE SOFTWARE.
TaylorGy 0:c809010834e2 21 */
TaylorGy 0:c809010834e2 22
TaylorGy 0:c809010834e2 23 #ifndef cJSON__h
TaylorGy 0:c809010834e2 24 #define cJSON__h
TaylorGy 0:c809010834e2 25
TaylorGy 0:c809010834e2 26 #ifdef __cplusplus
TaylorGy 0:c809010834e2 27 extern "C"
TaylorGy 0:c809010834e2 28 {
TaylorGy 0:c809010834e2 29 #endif
TaylorGy 0:c809010834e2 30
TaylorGy 0:c809010834e2 31 /* cJSON Types: */
TaylorGy 0:c809010834e2 32 #define cJSON_False 0
TaylorGy 0:c809010834e2 33 #define cJSON_True 1
TaylorGy 0:c809010834e2 34 #define cJSON_NULL 2
TaylorGy 0:c809010834e2 35 #define cJSON_Number 3
TaylorGy 0:c809010834e2 36 #define cJSON_String 4
TaylorGy 0:c809010834e2 37 #define cJSON_Array 5
TaylorGy 0:c809010834e2 38 #define cJSON_Object 6
TaylorGy 0:c809010834e2 39
TaylorGy 0:c809010834e2 40 #define cJSON_IsReference 256
TaylorGy 0:c809010834e2 41
TaylorGy 0:c809010834e2 42 /* The cJSON structure: */
TaylorGy 0:c809010834e2 43 typedef struct cJSON {
TaylorGy 0:c809010834e2 44 struct cJSON *next,*prev; /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
TaylorGy 0:c809010834e2 45 struct cJSON *child; /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */
TaylorGy 0:c809010834e2 46
TaylorGy 0:c809010834e2 47 int type; /* The type of the item, as above. */
TaylorGy 0:c809010834e2 48
TaylorGy 0:c809010834e2 49 char *valuestring; /* The item's string, if type==cJSON_String */
TaylorGy 0:c809010834e2 50 int valueint; /* The item's number, if type==cJSON_Number */
TaylorGy 0:c809010834e2 51 double valuedouble; /* The item's number, if type==cJSON_Number */
TaylorGy 0:c809010834e2 52
TaylorGy 0:c809010834e2 53 char *string; /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
TaylorGy 0:c809010834e2 54 } cJSON;
TaylorGy 0:c809010834e2 55
TaylorGy 0:c809010834e2 56 typedef struct cJSON_Hooks {
TaylorGy 0:c809010834e2 57 void *(*malloc_fn)(size_t sz);
TaylorGy 0:c809010834e2 58 void (*free_fn)(void *ptr);
TaylorGy 0:c809010834e2 59 } cJSON_Hooks;
TaylorGy 0:c809010834e2 60
TaylorGy 0:c809010834e2 61 /* Supply malloc, realloc and free functions to cJSON */
TaylorGy 0:c809010834e2 62 extern void cJSON_InitHooks(cJSON_Hooks* hooks);
TaylorGy 0:c809010834e2 63
TaylorGy 0:c809010834e2 64
TaylorGy 0:c809010834e2 65 /* Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished. */
TaylorGy 0:c809010834e2 66 extern cJSON *cJSON_Parse(const char *value);
TaylorGy 0:c809010834e2 67 /* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */
TaylorGy 0:c809010834e2 68 extern char *cJSON_Print(cJSON *item);
TaylorGy 0:c809010834e2 69 /* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */
TaylorGy 0:c809010834e2 70 extern char *cJSON_PrintUnformatted(cJSON *item);
TaylorGy 0:c809010834e2 71 /* Delete a cJSON entity and all subentities. */
TaylorGy 0:c809010834e2 72 extern void cJSON_Delete(cJSON *c);
TaylorGy 0:c809010834e2 73
TaylorGy 0:c809010834e2 74 /* Returns the number of items in an array (or object). */
TaylorGy 0:c809010834e2 75 extern int cJSON_GetArraySize(cJSON *array);
TaylorGy 0:c809010834e2 76 /* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
TaylorGy 0:c809010834e2 77 extern cJSON *cJSON_GetArrayItem(cJSON *array,int item);
TaylorGy 0:c809010834e2 78 /* Get item "string" from object. Case insensitive. */
TaylorGy 0:c809010834e2 79 extern cJSON *cJSON_GetObjectItem(cJSON *object,const char *string);
TaylorGy 0:c809010834e2 80
TaylorGy 0:c809010834e2 81 /* 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. */
TaylorGy 0:c809010834e2 82 extern const char *cJSON_GetErrorPtr(void);
TaylorGy 0:c809010834e2 83
TaylorGy 0:c809010834e2 84 /* These calls create a cJSON item of the appropriate type. */
TaylorGy 0:c809010834e2 85 extern cJSON *cJSON_CreateNull(void);
TaylorGy 0:c809010834e2 86 extern cJSON *cJSON_CreateTrue(void);
TaylorGy 0:c809010834e2 87 extern cJSON *cJSON_CreateFalse(void);
TaylorGy 0:c809010834e2 88 extern cJSON *cJSON_CreateBool(int b);
TaylorGy 0:c809010834e2 89 extern cJSON *cJSON_CreateNumber(double num);
TaylorGy 0:c809010834e2 90 extern cJSON *cJSON_CreateString(const char *string);
TaylorGy 0:c809010834e2 91 extern cJSON *cJSON_CreateArray(void);
TaylorGy 0:c809010834e2 92 extern cJSON *cJSON_CreateObject(void);
TaylorGy 0:c809010834e2 93
TaylorGy 0:c809010834e2 94 /* These utilities create an Array of count items. */
TaylorGy 0:c809010834e2 95 extern cJSON *cJSON_CreateIntArray(const int *numbers,int count);
TaylorGy 0:c809010834e2 96 extern cJSON *cJSON_CreateFloatArray(const float *numbers,int count);
TaylorGy 0:c809010834e2 97 extern cJSON *cJSON_CreateDoubleArray(const double *numbers,int count);
TaylorGy 0:c809010834e2 98 extern cJSON *cJSON_CreateStringArray(const char **strings,int count);
TaylorGy 0:c809010834e2 99
TaylorGy 0:c809010834e2 100 /* Append item to the specified array/object. */
TaylorGy 0:c809010834e2 101 extern void cJSON_AddItemToArray(cJSON *array, cJSON *item);
TaylorGy 0:c809010834e2 102 extern void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item);
TaylorGy 0:c809010834e2 103 /* 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. */
TaylorGy 0:c809010834e2 104 extern void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
TaylorGy 0:c809010834e2 105 extern void cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item);
TaylorGy 0:c809010834e2 106
TaylorGy 0:c809010834e2 107 /* Remove/Detatch items from Arrays/Objects. */
TaylorGy 0:c809010834e2 108 extern cJSON *cJSON_DetachItemFromArray(cJSON *array,int which);
TaylorGy 0:c809010834e2 109 extern void cJSON_DeleteItemFromArray(cJSON *array,int which);
TaylorGy 0:c809010834e2 110 extern cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string);
TaylorGy 0:c809010834e2 111 extern void cJSON_DeleteItemFromObject(cJSON *object,const char *string);
TaylorGy 0:c809010834e2 112
TaylorGy 0:c809010834e2 113 /* Update array items. */
TaylorGy 0:c809010834e2 114 extern void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem);
TaylorGy 0:c809010834e2 115 extern void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem);
TaylorGy 0:c809010834e2 116
TaylorGy 0:c809010834e2 117 /* Duplicate a cJSON item */
TaylorGy 0:c809010834e2 118 extern cJSON *cJSON_Duplicate(cJSON *item,int recurse);
TaylorGy 0:c809010834e2 119 /* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will
TaylorGy 0:c809010834e2 120 need to be released. With recurse!=0, it will duplicate any children connected to the item.
TaylorGy 0:c809010834e2 121 The item->next and ->prev pointers are always zero on return from Duplicate. */
TaylorGy 0:c809010834e2 122
TaylorGy 0:c809010834e2 123 /* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */
TaylorGy 0:c809010834e2 124 extern cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated);
TaylorGy 0:c809010834e2 125
TaylorGy 0:c809010834e2 126 extern void cJSON_Minify(char *json);
TaylorGy 0:c809010834e2 127
TaylorGy 0:c809010834e2 128 /* Macros for creating things quickly. */
TaylorGy 0:c809010834e2 129 #define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull())
TaylorGy 0:c809010834e2 130 #define cJSON_AddTrueToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
TaylorGy 0:c809010834e2 131 #define cJSON_AddFalseToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
TaylorGy 0:c809010834e2 132 #define cJSON_AddBoolToObject(object,name,b) cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
TaylorGy 0:c809010834e2 133 #define cJSON_AddNumberToObject(object,name,n) cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
TaylorGy 0:c809010834e2 134 #define cJSON_AddStringToObject(object,name,s) cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
TaylorGy 0:c809010834e2 135
TaylorGy 0:c809010834e2 136 /* When assigning an integer value, it needs to be propagated to valuedouble too. */
TaylorGy 0:c809010834e2 137 #define cJSON_SetIntValue(object,val) ((object)?(object)->valueint=(object)->valuedouble=(val):(val))
TaylorGy 0:c809010834e2 138
TaylorGy 0:c809010834e2 139 #ifdef __cplusplus
TaylorGy 0:c809010834e2 140 }
TaylorGy 0:c809010834e2 141 #endif
TaylorGy 0:c809010834e2 142
TaylorGy 0:c809010834e2 143 #endif