arinc424 0.4.0

ARINC 424 parser
Documentation 
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// SPDX-License-Identifier: Apache-2.0
// Copyright 2026 Joe Pearson
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use crate::{Error, FixedField};

/// 5.131 Time Code
#[derive(Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
pub enum TimeCode {
    ActiveContinuouslyIncludingHolidays,
    ActiveContinuouslyExcludingHoliday,
    ActiveNonContinuously,
    ActiveTimesAnnouncedByNOTAM,
    ActiveTimesNotSpecified,
}

impl FixedField<'_> for TimeCode {
    const LENGTH: usize = 1;

    fn from_bytes(bytes: &'_ [u8]) -> Result<Self, Error> {
        match bytes[0] {
            b'C' => Ok(Self::ActiveContinuouslyIncludingHolidays),
            b'H' => Ok(Self::ActiveContinuouslyExcludingHoliday),
            b'N' => Ok(Self::ActiveNonContinuously),
            b'P' => Ok(Self::ActiveTimesAnnouncedByNOTAM),
            b'U' => Ok(Self::ActiveTimesNotSpecified),
            byte => Err(crate::Error::InvalidCharacter {
                field: "Time Code",
                byte,
                expected: "C, H, N, P or U",
            }),
        }
    }
}