Json(json解析)

         cocos2dx json解析         

#ifndef SPINE_JSON_H_

#define SPINE_JSON_H_

namespace cocos2d { 

namespace extension {

/* Json Types: */

#define Json_False 0

#define Json_True 1

#define Json_NULL 2

#define Json_Number 3

#define Json_String 4

#define Json_Array 5

#define Json_Object 6

//json 结构体

typedef structJson {

struct Json* next;

struct Json* prev;//next/prev allow you to walk array/object chains（链条）. Alternatively（或者）, use getSize/getItemAt/getItem 

struct Json* 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. 

const char* valuestring;//The item's string, if type==Json_String 

int valueint;//The item's number, if type==Json_Number 

float valuefloat;//The item's number, if type==Json_Number 

const char* name;//The item's name string, if this item is the child of, or is in the list of subitems of an object. 

}Json;

//Supply(供给) a block（块） of JSON, and this returns a Json object you can interrogate（询问）. Call Json_dispose when finished. 

Json*Json_create (const char* value);

//Delete a Json entity and all subentities. 

voidJson_dispose (Json* json);

//Returns the number of items in an array (or object). 

intJson_getSize (Json* json);

// Retrieve(检索) item number "item" from array "array". Returns NULL if unsuccessful. 

Json*Json_getItemAt (Json* json, int item);

//Get item "string" from object. Case insensitive. 

Json*Json_getItem (Json* json, const char* string);

const char*Json_getString (Json* json, const char* name, const char* defaultValue);

floatJson_getFloat (Json* json, const char* name, float defaultValue);

intJson_getInt (Json* json, const char* name, int defaultValue);

//For analysing(分析) failed parses（解析）. 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 Json_create() returns 0. 0 when Json_create() succeeds.

const char* Json_getError (void);

}} // namespace cocos2d { namespace extension {

#endif /* SPINE_JSON_H_ */