1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 //! Implements various useful CBOR conversion method.
18
19 use crate::data_types::error::Error;
20 use ciborium::Value;
21
22 // Useful to convert [`ciborium::Value`] to integer, we return largest integer range for
23 // convenience, callers should downcast into appropriate type.
value_to_integer(value: &Value) -> Result<i128, Error>24 pub fn value_to_integer(value: &Value) -> Result<i128, Error> {
25 let num = value.as_integer().ok_or(Error::ConversionError)?.into();
26 Ok(num)
27 }
28