147 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			147 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |   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 cJSON__h
 | ||
|  | #define cJSON__h
 | ||
|  | 
 | ||
|  | #include <stddef.h>
 | ||
|  | #ifdef __cplusplus
 | ||
|  | extern "C" | ||
|  | { | ||
|  | #endif
 | ||
|  | 
 | ||
|  | /* cJSON Types: */ | ||
|  | #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
 | ||
|  | 
 | ||
|  | /* The cJSON structure: */ | ||
|  | typedef struct cJSON { | ||
|  | 	struct cJSON *next,*prev;	/* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */ | ||
|  | 	struct cJSON *child;		/* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */ | ||
|  | 
 | ||
|  | 	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 */ | ||
|  | 
 | ||
|  | 	char *string;				/* The item's name string, if this item is the child of, or is in the list of subitems of an object. */ | ||
|  | } cJSON; | ||
|  | 
 | ||
|  | 
 | ||
|  | 
 | ||
|  | typedef struct cJSON_Hooks { | ||
|  |       void *(*malloc_fn)(size_t sz); | ||
|  |       void (*free_fn)(void *ptr); | ||
|  | } cJSON_Hooks; | ||
|  | 
 | ||
|  | /* Supply malloc, realloc and free functions to cJSON */ | ||
|  | extern 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. */ | ||
|  | extern cJSON *cJSON_Parse(const char *value); | ||
|  | /* Render a cJSON entity to text for transfer/storage. Free the char* when finished. */ | ||
|  | extern char  *cJSON_Print(cJSON *item); | ||
|  | /* Render a cJSON entity to text for transfer/storage without any formatting. Free the char* when finished. */ | ||
|  | extern char  *cJSON_PrintUnformatted(cJSON *item); | ||
|  | /* Delete a cJSON entity and all subentities. */ | ||
|  | extern void   cJSON_Delete(cJSON *c); | ||
|  | 
 | ||
|  | /* Returns the number of items in an array (or object). */ | ||
|  | extern int	  cJSON_GetArraySize(cJSON *array); | ||
|  | /* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */ | ||
|  | extern cJSON *cJSON_GetArrayItem(cJSON *array,int item); | ||
|  | /* Get item "string" from object. Case insensitive. */ | ||
|  | extern 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. */ | ||
|  | extern const char *cJSON_GetErrorPtr(void); | ||
|  | 	 | ||
|  | /* These calls create a cJSON item of the appropriate type. */ | ||
|  | extern cJSON *cJSON_CreateNull(void); | ||
|  | extern cJSON *cJSON_CreateTrue(void); | ||
|  | extern cJSON *cJSON_CreateFalse(void); | ||
|  | extern cJSON *cJSON_CreateBool(int b); | ||
|  | extern cJSON *cJSON_CreateNumber(double num); | ||
|  | extern cJSON *cJSON_CreateString(const char *string); | ||
|  | extern cJSON *cJSON_CreateArray(void); | ||
|  | extern cJSON *cJSON_CreateObject(void); | ||
|  | 
 | ||
|  | /* These utilities create an Array of count items. */ | ||
|  | extern cJSON *cJSON_CreateIntArray(const int *numbers,int count); | ||
|  | extern cJSON *cJSON_CreateFloatArray(const float *numbers,int count); | ||
|  | extern cJSON *cJSON_CreateDoubleArray(const double *numbers,int count); | ||
|  | extern cJSON *cJSON_CreateStringArray(const char **strings,int count); | ||
|  | 
 | ||
|  | /* Append item to the specified array/object. */ | ||
|  | extern void cJSON_AddItemToArray(cJSON *array, cJSON *item); | ||
|  | extern 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. */ | ||
|  | extern void cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item); | ||
|  | extern void	cJSON_AddItemReferenceToObject(cJSON *object,const char *string,cJSON *item); | ||
|  | 
 | ||
|  | /* Remove/Detatch items from Arrays/Objects. */ | ||
|  | extern cJSON *cJSON_DetachItemFromArray(cJSON *array,int which); | ||
|  | extern void   cJSON_DeleteItemFromArray(cJSON *array,int which); | ||
|  | extern cJSON *cJSON_DetachItemFromObject(cJSON *object,const char *string); | ||
|  | extern void   cJSON_DeleteItemFromObject(cJSON *object,const char *string); | ||
|  | 	 | ||
|  | /* Update array items. */ | ||
|  | extern void cJSON_ReplaceItemInArray(cJSON *array,int which,cJSON *newitem); | ||
|  | extern void cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem); | ||
|  | 
 | ||
|  | /* Duplicate a cJSON item */ | ||
|  | extern cJSON *cJSON_Duplicate(cJSON *item,int recurse); | ||
|  | /* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will
 | ||
|  | need to be released. With recurse!=0, it will duplicate any children connected to the item. | ||
|  | The item->next and ->prev pointers are always zero on return from Duplicate. */ | ||
|  | 
 | ||
|  | /* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */ | ||
|  | extern cJSON *cJSON_ParseWithOpts(const char *value,const char **return_parse_end,int require_null_terminated); | ||
|  | 
 | ||
|  | extern void cJSON_Minify(char *json); | ||
|  | 
 | ||
|  | /* Macros for creating things quickly. */ | ||
|  | #define cJSON_AddNullToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateNull())
 | ||
|  | #define cJSON_AddTrueToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateTrue())
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|  | #define cJSON_AddFalseToObject(object,name)		cJSON_AddItemToObject(object, name, cJSON_CreateFalse())
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|  | #define cJSON_AddBoolToObject(object,name,b)	cJSON_AddItemToObject(object, name, cJSON_CreateBool(b))
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|  | #define cJSON_AddNumberToObject(object,name,n)	cJSON_AddItemToObject(object, name, cJSON_CreateNumber(n))
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|  | #define cJSON_AddStringToObject(object,name,s)	cJSON_AddItemToObject(object, name, cJSON_CreateString(s))
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|  | 
 | ||
|  | /* When assigning an integer value, it needs to be propagated to valuedouble too. */ | ||
|  | #define cJSON_SetIntValue(object,val)			((object)?(object)->valueint=(object)->valuedouble=(val):(val))
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|  | 
 | ||
|  | #ifdef __cplusplus
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|  | } | ||
|  | #endif
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|  | 
 | ||
|  | #endif
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