int json_value_equals()

in parson.c [2137:2202]

• 66 lines of code
• 17 McCabe index (conditional complexity)

int json_value_equals(const JSON_Value *a : itype(_Ptr<const JSON_Value>), const JSON_Value *b : itype(_Ptr<const JSON_Value>)) {
    _Ptr<JSON_Object> a_object = NULL;
    _Ptr<JSON_Object> b_object = NULL;
    _Ptr<JSON_Array> a_array = NULL;
    _Ptr<JSON_Array> b_array = NULL;
    _Nt_array_ptr<const char> a_string = NULL;
    _Nt_array_ptr<const char> b_string = NULL;
    _Nt_array_ptr<const char> key = NULL;
    size_t a_count = 0, b_count = 0, i = 0;
    JSON_Value_Type a_type, b_type;
    a_type = json_value_get_type(a);
    b_type = json_value_get_type(b);
    if (a_type != b_type) {
        return 0;
    }
    switch (a_type) {
        case JSONArray:
            a_array = json_value_get_array(a);
            b_array = json_value_get_array(b);
            a_count = json_array_get_count(a_array);
            b_count = json_array_get_count(b_array);
            if (a_count != b_count) {
                return 0;
            }
            for (i = 0; i < a_count; i++) {
                if (!json_value_equals(json_array_get_value(a_array, i),
                                       json_array_get_value(b_array, i))) {
                    return 0;
                }
            }
            return 1;
        case JSONObject:
            a_object = json_value_get_object(a);
            b_object = json_value_get_object(b);
            a_count = json_object_get_count(a_object);
            b_count = json_object_get_count(b_object);
            if (a_count != b_count) {
                return 0;
            }
            for (i = 0; i < a_count; i++) {
                key = json_object_get_name(a_object, i);
                if (!json_value_equals(json_object_get_value(a_object, key),
                                       json_object_get_value(b_object, key))) {
                    return 0;
                }
            }
            return 1;
        case JSONString:
            a_string = json_value_get_string(a);
            b_string = json_value_get_string(b);
            if (a_string == NULL || b_string == NULL) {
                return 0; /* shouldn't happen */
            }
            return strcmp(a_string, b_string) == 0;
        case JSONBoolean:
            return json_value_get_boolean(a) == json_value_get_boolean(b);
        case JSONNumber:
            return fabs(json_value_get_number(a) - json_value_get_number(b)) < 0.000001; /* EPSILON */
        case JSONError:
            return 1;
        case JSONNull:
            return 1;
        default:
            return 1;
    }
}