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https://github.com/DaveGamble/cJSON
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5bd220c8dc
git-svn-id: http://svn.code.sf.net/p/cjson/code@3 e3330c51-1366-4df0-8b21-3ccf24e3d50e
98 lines
4.1 KiB
C
98 lines
4.1 KiB
C
/*
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Copyright (c) 2009 Dave Gamble
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef cJSON__h
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#define cJSON__h
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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// cJSON Types:
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#define cJSON_False 0
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#define cJSON_True 1
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#define cJSON_NULL 2
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#define cJSON_Number 3
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#define cJSON_String 4
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#define cJSON_Array 5
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#define cJSON_Object 6
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// The cJSON structure:
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typedef struct cJSON {
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struct cJSON *next,*prev; // next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem
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struct cJSON *child; // An array or object item will have a child pointer pointing to a chain of the items in the array/object.
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int type; // The type of the item, as above.
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char *valuestring; // The item's string, if type==cJSON_String
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int valueint; // The item's number, if type==cJSON_Number
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double valuedouble; // The item's number, if type==cJSON_Number
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char *string; // The item's name string, if this item is the child of, or is in the list of subitems of an object.
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} cJSON;
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// Supply a block of JSON, and this returns a cJSON object you can interrogate. Call cJSON_Delete when finished.
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extern cJSON *cJSON_Parse(const char *value);
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// Render a cJSON entity to text for transfer/storage. Free the char* when finished.
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extern char *cJSON_Print(cJSON *item);
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// Delete a cJSON entity and all subentities.
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extern void cJSON_Delete(cJSON *c);
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// Returns the number of items in an array (or object).
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extern int cJSON_GetArraySize(cJSON *array);
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// Retrieve item number "item" from array "array". Returns NULL if unsuccessful.
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extern cJSON *cJSON_GetArrayItem(cJSON *array,int item);
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// Get item "string" from object. Case insensitive.
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extern cJSON *cJSON_GetObjectItem(cJSON *object,const char *string);
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// These calls create a cJSON item of the appropriate type.
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extern cJSON *cJSON_CreateNull();
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extern cJSON *cJSON_CreateTrue();
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extern cJSON *cJSON_CreateFalse();
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extern cJSON *cJSON_CreateNumber(double num);
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extern cJSON *cJSON_CreateString(const char *string);
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extern cJSON *cJSON_CreateArray();
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extern cJSON *cJSON_CreateObject();
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// These utilities create an Array of count items.
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extern cJSON *cJSON_CreateIntArray(int *numbers,int count);
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extern cJSON *cJSON_CreateFloatArray(float *numbers,int count);
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extern cJSON *cJSON_CreateDoubleArray(double *numbers,int count);
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extern cJSON *cJSON_CreateStringArray(const char **strings,int count);
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// Append item to the specified array/object.
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extern void cJSON_AddItemToArray(cJSON *array, cJSON *item);
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extern void cJSON_AddItemToObject(cJSON *object,const char *string,cJSON *item);
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#define cJSON_AddNullToObject(object,name) cJSON_AddItemToObject(object, name, cJSON_CreateNull())
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#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_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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#ifdef __cplusplus
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}
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#endif
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#endif
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