// SPDX-License-Identifier: GPL-3.0-or-later #ifndef NETDATA_JSON_C_PARSER_INLINE_H #define NETDATA_JSON_C_PARSER_INLINE_H #define JSONC_PARSE_BOOL_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_boolean)) \ dst = json_object_get_boolean(_j); \ else if(required) { \ buffer_sprintf(error, "missing or invalid type for '%s.%s' boolean", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_TXT2STRING_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) { \ string_freez(dst); \ dst = string_strdupz(json_object_get_string(_j)); \ } \ else if(required) { \ buffer_sprintf(error, "missing or invalid type for '%s.%s' string", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_TXT2BUFFER_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) { \ const char *_s = json_object_get_string(_j); \ if(!_s || !*_s) { \ buffer_free(dst); \ dst = NULL; \ } \ else { \ if (dst) \ buffer_flush(dst); \ else \ dst = buffer_create(0, NULL); \ if (_s && *_s) \ buffer_strcat(dst, _s); \ } \ } \ else if(required) { \ buffer_sprintf(error, "missing or invalid type for '%s.%s' string", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_TXT2PATTERN_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) { \ string_freez(dst); \ const char *_v = json_object_get_string(_j); \ if(strcmp(_v, "*") == 0) \ dst = NULL; \ else \ dst = string_strdupz(_v); \ } \ else if(required) { \ buffer_sprintf(error, "missing or invalid type for '%s.%s' string", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_TXT2EXPRESSION_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) { \ const char *_t = json_object_get_string(_j); \ if(_t && *_t && strcmp(_t, "*") != 0) { \ const char *_failed_at = NULL; \ int _err = 0; \ expression_free(dst); \ dst = expression_parse(_t, &_failed_at, &_err); \ if(!dst) { \ buffer_sprintf(error, "expression '%s.%s' has a non-parseable expression '%s': %s at '%s'", \ path, member, _t, expression_strerror(_err), _failed_at); \ return false; \ } \ } \ } \ else if(required) { \ buffer_sprintf(error, "missing or invalid type for '%s.%s' expression", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_ARRAY_OF_TXT2BITMAP_OR_ERROR_AND_RETURN(jobj, path, member, converter, dst, error, required) do { \ json_object *_jarray; \ if (json_object_object_get_ex(jobj, member, &_jarray) && json_object_is_type(_jarray, json_type_array)) { \ size_t _num_options = json_object_array_length(_jarray); \ dst = 0; \ for (size_t _i = 0; _i < _num_options; ++_i) { \ json_object *_joption = json_object_array_get_idx(_jarray, _i); \ if (!json_object_is_type(_joption, json_type_string)) { \ buffer_sprintf(error, "invalid type for '%s.%s' at index %zu", path, member, _i); \ return false; \ } \ const char *_option_str = json_object_get_string(_joption); \ typeof(dst) _bit = converter(_option_str); \ if (_bit == 0) { \ buffer_sprintf(error, "unknown option '%s' in '%s.%s' at index %zu", _option_str, path, member, _i); \ return false; \ } \ dst |= _bit; \ } \ } else if(required) { \ buffer_sprintf(error, "missing or invalid type for '%s.%s' array", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_TXT2ENUM_OR_ERROR_AND_RETURN(jobj, path, member, converter, dst, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j) && json_object_is_type(_j, json_type_string)) \ dst = converter(json_object_get_string(_j)); \ else if(required) { \ buffer_sprintf(error, "missing or invalid type (expected text value) for '%s.%s' enum", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_INT_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j)) { \ if (_j != NULL && json_object_is_type(_j, json_type_int)) \ dst = json_object_get_int(_j); \ else if (_j != NULL && json_object_is_type(_j, json_type_double)) \ dst = (typeof(dst))json_object_get_double(_j); \ else if (_j == NULL) \ dst = 0; \ else { \ buffer_sprintf(error, "not supported type (expected int) for '%s.%s'", path, member); \ return false; \ } \ } else if(required) { \ buffer_sprintf(error, "missing or invalid type (expected double value or null) for '%s.%s'", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_DOUBLE_OR_ERROR_AND_RETURN(jobj, path, member, dst, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j)) { \ if (_j != NULL && json_object_is_type(_j, json_type_double)) \ dst = json_object_get_double(_j); \ else if (_j != NULL && json_object_is_type(_j, json_type_int)) \ dst = (typeof(dst))json_object_get_int(_j); \ else if (_j == NULL) \ dst = NAN; \ else { \ buffer_sprintf(error, "not supported type (expected double) for '%s.%s'", path, member); \ return false; \ } \ } else if(required) { \ buffer_sprintf(error, "missing or invalid type (expected double value or null) for '%s.%s'", path, member); \ return false; \ } \ } while(0) #define JSONC_PARSE_SUBOBJECT(jobj, path, member, dst, callback, error, required) do { \ json_object *_j; \ if (json_object_object_get_ex(jobj, member, &_j)) { \ char _new_path[strlen(path) + strlen(member) + 2]; \ snprintfz(_new_path, sizeof(_new_path), "%s%s%s", path, *path?".":"", member); \ if (!callback(_j, _new_path, dst, error, required)) { \ return false; \ } \ } else if(required) { \ buffer_sprintf(error, "missing '%s.%s' object", path, member); \ return false; \ } \ } while(0) #endif //NETDATA_JSON_C_PARSER_INLINE_H