JSON_Status json_object_dotset_value()

in lib/parson.c [2132:2181]

• 48 lines of code
• 11 McCabe index (conditional complexity)

JSON_Status json_object_dotset_value(JSON_Object *object, const char *name, JSON_Value *value) {
    const char *dot_pos = NULL;
    JSON_Value *temp_value = NULL, *new_value = NULL;
    JSON_Object *temp_object = NULL, *new_object = NULL;
    JSON_Status status = JSONFailure;
    size_t name_len = 0;
    char *name_copy = NULL;
    
    if (object == NULL || name == NULL || value == NULL) {
        return JSONFailure;
    }
    dot_pos = strchr(name, '.');
    if (dot_pos == NULL) {
        return json_object_set_value(object, name, value);
    }
    name_len = dot_pos - name;
    temp_value = json_object_getn_value(object, name, name_len);
    if (temp_value) {
        /* Don't overwrite existing non-object (unlike json_object_set_value, but it shouldn't be changed at this point) */
        if (json_value_get_type(temp_value) != JSONObject) {
            return JSONFailure;
        }
        temp_object = json_value_get_object(temp_value);
        return json_object_dotset_value(temp_object, dot_pos + 1, value);
    }
    new_value = json_value_init_object();
    if (new_value == NULL) {
        return JSONFailure;
    }
    new_object = json_value_get_object(new_value);
    status = json_object_dotset_value(new_object, dot_pos + 1, value);
    if (status != JSONSuccess) {
        json_value_free(new_value);
        return JSONFailure;
    }
    name_copy = parson_strndup(name, name_len);
    if (!name_copy) {
        json_object_dotremove_internal(new_object, dot_pos + 1, 0);
        json_value_free(new_value);
        return JSONFailure;
    }
    status = json_object_add(object, name_copy, new_value);
    if (status != JSONSuccess) {
        parson_free(name_copy);
        json_object_dotremove_internal(new_object, dot_pos + 1, 0);
        json_value_free(new_value);
        return JSONFailure;
    }
    return JSONSuccess;
}