| /* |
| 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 |
| |
| #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 */ |
| int64_t valueint; /* The item's number, if type==cJSON_Number */ |
| double valuefloat; /* 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_CreateInt( int64_t num ); |
| extern cJSON *cJSON_CreateFloat( 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( int64_t *numbers, int count ); |
| extern cJSON *cJSON_CreateFloatArray( 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 ); |
| |
| #define cJSON_AddNullToObject( object, name ) cJSON_AddItemToObject( object, name, cJSON_CreateNull() ) |
| #define cJSON_AddTrueToObject( object, name ) cJSON_AddItemToObject( object, name, cJSON_CreateTrue() ) |
| #define cJSON_AddFalseToObject( object, name ) cJSON_AddItemToObject( object, name, cJSON_CreateFalse() ) |
| #define cJSON_AddIntToObject( object, name, n ) cJSON_AddItemToObject( object, name, cJSON_CreateInt( n ) ) |
| #define cJSON_AddFloatToObject( object, name, n ) cJSON_AddItemToObject( object, name, cJSON_CreateFloat( n ) ) |
| #define cJSON_AddStringToObject( object, name, s ) cJSON_AddItemToObject( object, name, cJSON_CreateString( s ) ) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |