8c24d921b0
sample: examples\aliyun_iotkit_csdk_mqtt project: board\TencentOS_tiny_EVB_MX_Plus\KEIL\aliyun_iotkit_csdk_mqtt
127 lines
5.0 KiB
C
127 lines
5.0 KiB
C
/*
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* Copyright (C) 2015-2018 Alibaba Group Holding Limited
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*/
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#ifndef _INFRA_CJSON_H_
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#define _INFRA_CJSON_H_
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/* cJSON Types: */
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#define cJSON_Invalid (0)
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#define cJSON_False (1 << 0)
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#define cJSON_True (1 << 1)
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#define cJSON_NULL (1 << 2)
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#define cJSON_Number (1 << 3)
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#define cJSON_String (1 << 4)
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#define cJSON_Array (1 << 5)
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#define cJSON_Object (1 << 6)
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#define cJSON_Raw (1 << 7) /* raw json */
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#ifndef LITE_CJSON_NESTING_LIMIT
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#define LITE_CJSON_NESTING_LIMIT 1000
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#endif
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/* The cJSON structure: */
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typedef struct lite_cjson_st {
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/* The type of the item, as above. */
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int type;
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/* The item's string, if type==cJSON_String and type == cJSON_Raw */
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char *value;
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int value_length;
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/* The item's size, if type == cJSON_Array and type == cJSON_Object */
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int size;
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double value_double;
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int value_int;
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} lite_cjson_t;
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int lite_cjson_parse(const char *src, int src_len, lite_cjson_t *lite);
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int lite_cjson_is_false(lite_cjson_t *lite);
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int lite_cjson_is_true(lite_cjson_t *lite);
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int lite_cjson_is_null(lite_cjson_t *lite);
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int lite_cjson_is_number(lite_cjson_t *lite);
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int lite_cjson_is_string(lite_cjson_t *lite);
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int lite_cjson_is_array(lite_cjson_t *lite);
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int lite_cjson_is_object(lite_cjson_t *lite);
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int lite_cjson_array_item(lite_cjson_t *lite, int index, lite_cjson_t *lite_item);
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int lite_cjson_object_item(
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lite_cjson_t *lite,
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const char *key,
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int key_len,
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lite_cjson_t *lite_item);
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int lite_cjson_object_item_by_index(
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lite_cjson_t *lite,
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int index,
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lite_cjson_t *lite_item_key,
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lite_cjson_t *lite_item_value);
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/*** lite_cjson create, add and print ***/
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typedef int cJSON_bool;
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#define cJSON_IsReference 256
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#define cJSON_StringIsConst 512
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/* The cJSON structure: */
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typedef struct lite_cjson_item_t {
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struct lite_cjson_item_t *next,
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*prev; /* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
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struct lite_cjson_item_t
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*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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} lite_cjson_item_t;
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typedef struct {
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void *(*malloc_fn)(unsigned int sz);
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void(*free_fn)(void *ptr);
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} lite_cjson_hooks;
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void lite_cjson_init_hooks(lite_cjson_hooks *hooks);
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/* Render a lite_cjson_item_t entity to text for transfer/storage. Free the char* when finished. */
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char *lite_cjson_print(lite_cjson_item_t *item);
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char *lite_cjson_print_unformatted(lite_cjson_item_t *item);
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/* Delete a lite_cjson_item_t entity and all subentities. */
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void lite_cjson_delete(lite_cjson_item_t *item);
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/* Append item to specific object */
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void lite_cjson_add_item_to_array(lite_cjson_item_t *array, lite_cjson_item_t *item);
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void lite_cjson_add_item_to_object(lite_cjson_item_t *object, const char *string, lite_cjson_item_t *item);
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/* These calls create a lite_cjson_item_t item of the appropriate type. */
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lite_cjson_item_t *lite_cjson_create_null(void);
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lite_cjson_item_t *lite_cjson_create_true(void);
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lite_cjson_item_t *lite_cjson_create_false(void);
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lite_cjson_item_t *lite_cjson_create_bool(int b);
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lite_cjson_item_t *lite_cjson_create_number(double num);
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lite_cjson_item_t *lite_cjson_create_string(const char *string);
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lite_cjson_item_t *lite_cjson_create_array(void);
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lite_cjson_item_t *lite_cjson_create_object(void);
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/* These utilities create an Array of count items. */
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lite_cjson_item_t *lite_cjson_create_intArray(const int *numbers, int count);
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lite_cjson_item_t *lite_cjson_create_floatArray(const float *numbers, int count);
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lite_cjson_item_t *lite_cjson_create_doubleArray(const double *numbers, int count);
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lite_cjson_item_t *lite_cjson_create_stringArray(const char **strings, int count);
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/* Macros for creating things quickly. */
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#define lite_cjson_add_null_to_object(object,name) lite_cjson_add_item_to_object(object, name, lite_cjson_create_null())
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#define lite_cjson_add_true_to_object(object,name) lite_cjson_add_item_to_object(object, name, lite_cjson_create_true())
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#define lite_cjson_add_false_to_object(object,name) lite_cjson_add_item_to_object(object, name, lite_cjson_create_false())
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#define lite_cjson_add_bool_to_object(object,name,b) lite_cjson_add_item_to_object(object, name, lite_cjson_create_bool(b))
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#define lite_cjson_add_number_to_object(object,name,n) lite_cjson_add_item_to_object(object, name, lite_cjson_create_number(n))
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#define lite_cjson_add_string_to_object(object,name,s) lite_cjson_add_item_to_object(object, name, lite_cjson_create_string(s))
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#endif
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