151 lines
5.9 KiB
C
151 lines
5.9 KiB
C
/*
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* This file is part of the struct2json Library.
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*
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* Copyright (c) 2015, Armink, <armink.ztl@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* 'Software'), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Function: It is an head file for this library.
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* Created on: 2015-10-14
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*/
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#ifndef __S2JDEF_H__
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#define __S2JDEF_H__
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#include <cJSON.h>
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#include <string.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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void *(*malloc_fn)(size_t sz);
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void (*free_fn)(void *ptr);
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} S2jHook, *S2jHook_t;
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#define S2J_STRUCT_GET_int_ELEMENT(to_struct, from_json, _element) \
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json_temp = cJSON_GetObjectItem(from_json, #_element); \
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if (json_temp) (to_struct)->_element = json_temp->valueint;
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#define S2J_STRUCT_GET_string_ELEMENT(to_struct, from_json, _element) \
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json_temp = cJSON_GetObjectItem(from_json, #_element); \
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if (json_temp) strcpy((to_struct)->_element, json_temp->valuestring);
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#define S2J_STRUCT_GET_double_ELEMENT(to_struct, from_json, _element) \
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json_temp = cJSON_GetObjectItem(from_json, #_element); \
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if (json_temp) (to_struct)->_element = json_temp->valuedouble;
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#define S2J_STRUCT_ARRAY_GET_int_ELEMENT(to_struct, from_json, _element, index) \
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(to_struct)->_element[index] = from_json->valueint;
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#define S2J_STRUCT_ARRAY_GET_string_ELEMENT(to_struct, from_json, _element, index) \
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strcpy((to_struct)->_element[index], from_json->valuestring);
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#define S2J_STRUCT_ARRAY_GET_double_ELEMENT(to_struct, from_json, _element, index) \
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(to_struct)->_element[index] = from_json->valuedouble;
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#define S2J_STRUCT_ARRAY_GET_ELEMENT(to_struct, from_json, type, _element, index) \
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S2J_STRUCT_ARRAY_GET_##type##_ELEMENT(to_struct, from_json, _element, index)
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#define S2J_JSON_SET_int_ELEMENT(to_json, from_struct, _element) \
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cJSON_AddNumberToObject(to_json, #_element, (from_struct)->_element);
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#define S2J_JSON_SET_double_ELEMENT(to_json, from_struct, _element) \
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cJSON_AddNumberToObject(to_json, #_element, (from_struct)->_element);
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#define S2J_JSON_SET_string_ELEMENT(to_json, from_struct, _element) \
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cJSON_AddStringToObject(to_json, #_element, (from_struct)->_element);
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#define S2J_JSON_ARRAY_SET_int_ELEMENT(to_json, from_struct, _element, index) \
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cJSON_AddItemToArray(to_json, cJSON_CreateNumber((from_struct)->_element[index]));
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#define S2J_JSON_ARRAY_SET_double_ELEMENT(to_json, from_struct, _element, index) \
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cJSON_AddItemToArray(to_json, cJSON_CreateNumber((from_struct)->_element[index]));
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#define S2J_JSON_ARRAY_SET_string_ELEMENT(to_json, from_struct, _element, index) \
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cJSON_AddItemToArray(to_json, cJSON_CreateString((from_struct)->_element[index]));
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#define S2J_JSON_ARRAY_SET_ELEMENT(to_json, from_struct, type, _element, index) \
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S2J_JSON_ARRAY_SET_##type##_ELEMENT(to_json, from_struct, _element, index)
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#define S2J_CREATE_JSON_OBJECT(json_obj) \
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cJSON *json_obj = cJSON_CreateObject();
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#define S2J_DELETE_JSON_OBJECT(json_obj) \
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cJSON_Delete(json_obj);
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#define S2J_JSON_SET_BASIC_ELEMENT(to_json, from_struct, type, _element) \
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S2J_JSON_SET_##type##_ELEMENT(to_json, from_struct, _element)
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#define S2J_JSON_SET_ARRAY_ELEMENT(to_json, from_struct, type, _element, size) \
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{ \
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cJSON *array; \
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size_t index = 0; \
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array = cJSON_CreateArray(); \
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if (array) { \
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while (index < size) { \
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S2J_JSON_ARRAY_SET_ELEMENT(array, from_struct, type, _element, index++); \
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} \
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cJSON_AddItemToObject(to_json, #_element, array); \
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} \
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}
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#define S2J_JSON_SET_STRUCT_ELEMENT(child_json, to_json, child_struct, from_struct, type, _element) \
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type *child_struct = &((from_struct)->_element); \
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cJSON *child_json = cJSON_CreateObject(); \
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if (child_json) cJSON_AddItemToObject(to_json, #_element, child_json);
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#define S2J_CREATE_STRUCT_OBJECT(struct_obj, type) \
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cJSON *json_temp; \
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type *struct_obj = s2jHook.malloc_fn(sizeof(type)); \
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if (struct_obj) memset(struct_obj, 0, sizeof(type));
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#define S2J_DELETE_STRUCT_OBJECT(struct_obj) \
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s2jHook.free_fn(struct_obj);
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#define S2J_STRUCT_GET_BASIC_ELEMENT(to_struct, from_json, type, _element) \
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S2J_STRUCT_GET_##type##_ELEMENT(to_struct, from_json, _element)
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#define S2J_STRUCT_GET_ARRAY_ELEMENT(to_struct, from_json, type, _element) \
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{ \
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cJSON *array, *array_element; \
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size_t index = 0, size = 0; \
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array = cJSON_GetObjectItem(from_json, #_element); \
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if (array) { \
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size = cJSON_GetArraySize(array); \
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while (index < size) { \
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array_element = cJSON_GetArrayItem(array, index); \
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if (array_element) S2J_STRUCT_ARRAY_GET_ELEMENT(to_struct, array_element, type, _element, index++); \
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} \
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} \
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}
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#define S2J_STRUCT_GET_STRUCT_ELEMENT(child_struct, to_struct, child_json, from_json, type, _element) \
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type *child_struct = &((to_struct)->_element); \
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cJSON *child_json = cJSON_GetObjectItem(from_json, #_element);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __S2JDEF_H__ */
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